Hire the best AWS Lambda Developers in Ukraine

Name: AWS Lambda developers
Brand: Upwork
Rating: 4.8 (141 reviews)

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Clients rate AWS Lambda developers

4.8/5

based on 141 client reviews

$40 hourly
Andrii S.
- 4.6/5
- (11 jobs)
Hi 👋👋👋, I have 8+ years in Full-Stack Development. I build scalable web application with React / Angular / Vue.js / PHP / Laravel / Python. About me: ◉ Software Engineer with a Master's Degree in Computer Science. ◉ 8+ years of experience building complex solutions for clients from the USA, Canada, Australia, the EU, and the United Kingdom. ◉ Delivered over 7,600 man-hours in remote teams developing SaaS level 4/5 – multi-tenant, highly available, fault-tolerant platforms. ◉ An open-minded, goal-oriented individual with creative thinking, a positive attitude, and strong problem-solving skills. My Experience: ✅ 7+ years in Front-end development: HTML, CSS, Bootstrap, jQuery, Angular, React / Redux / VueJS and various additional libraries. ✅ 8+ years in Back-end development: Python, PHP / Laravel, REST API, Redis, SQL and NoSQL Databases, Firebase, AWS, Google Cloud Platform, etc. I've developed a wide range of React applications for healthcare, retail, construction, social network, fitness, e-commerce, food delivery, education industries with geo-location, live-chat, work-force management, accounting, invoicing and other modules. I offer: 1) Pre-launch support (Graphic design, Back-end API development, Front-end development, Admin Panel or CMS, Testing and Quality Assurance, App Store Submission and Approval) 2) Post-launch support (Maintenance/Bug Fixing, Further Extensions).

AWS Lambda
Angular
AWS Fargate
HTML
Node.js
Laravel
API Development
MongoDB
PHP
Vue.js
MySQL Programming
React
$40 hourly
Igor K.
- 4.8/5
- (12 jobs)
I’m a passionate developer with 7 years of experience. I’m a full stack developer, but i specialize in the field of mobile systems development. My current work includes machine learning systems on mobile devices and custom navigator applications which include from scratch algorithm development, and I also develop native components for Flutter as well as writing Flutter code. I have an experience of working with small companies as well as governmental clients.

AWS Lambda
Smartphone
Web Application
Flutter
Rust
React Native
Firebase Cloud Firestore
Android
iOS
Kotlin
Objective-C
Swift
C++
$50 hourly
Mike K.
- 5.0/5
- (9 jobs)
Experienced in designing and implementing database models, APIs, and views to deliver a dynamic web-based solution tailored to client specifications. Proficient in: - implementing deep learning algorithms to analyze historical data and identify patterns and trends; - developing predictive models using machine learning techniques based on various; - enhancing report generation efficiency by implementing caching mechanisms, data reuse strategies, and enhancing data security protocols; - building API handling interfaces to add a layer of abstraction between Product APIs and 100s of customer APIs; - building efficient record keeping with consistency and scale using a mix of MySQL, MongoDB and PostgreSQL clusters; - implementing dev automation using Docker, Jenkins CI, and test automation tools.

AWS Lambda
FastAPI
Plotly
Machine Learning
OpenCV
Flask
Django
OpenAI API
TensorFlow
Vue.js
Node.js
React
Python
MySQL
PostgreSQL
$40 hourly
Yaroslav B.
- 5.0/5
- (12 jobs)
💯 Upwork 100% Job Success Score, Top Rated- Top 1%  🥇 Awarded "Top Software Developers" by Clutch  ✅ 5+ Years Of Experience 💸 Fluent English  I've got over 5 years of hands-on experience in software development, plus 2+ years as a tech lead. I'm all about JavaScript (React, TypeScript, Redux, Redux Toolkit, Next.js, Express, Nest.js), iOS, and Android development, with a knack for crafting smooth OpenAI integrations. Here's the gist of what I've achieved: Led successful projects with cutting-edge tech. Delivered top-notch mobile apps for iOS and Android. Pro at Scrum and Kanban for streamlined dev. Quick to adapt and solve complex problems. Let's up your tech game together! Connect with me, and let's get innovative. Best, Yaroslav B.

AWS Lambda
Redux
AWS CodePipeline
AWS CodeDeploy
AWS CodeBuild
NestJS
ExpressJS
TypeScript
GraphQL
React Native
React
Node.js
Flutter
JavaScript
$37 hourly
Mykola H.
- 4.8/5
- (6 jobs)
I'm part of team who are AI/ML experts with a strong track record of delivering production-ready solutions for startups and product teams. 𝐖𝐡𝐚𝐭 𝐖𝐞 𝐃𝐨 🤖 GenAI and Large Language Models We work with models like GPT-4, Claude, and Mistral, handling everything from integration and fine-tuning to orchestration with LangChain, OpenAI API, and Hugging Face. 𝐑𝐀𝐆 𝐏𝐢𝐩𝐞𝐥𝐢𝐧𝐞𝐬 🦾 We build real-time, context-aware retrieval systems using FAISS, Pinecone, or custom vector databases to bring intelligent search into your product. 𝐀𝐈 𝐀𝐠𝐞𝐧𝐭𝐬 𝐚𝐧𝐝 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 👨🏻‍💻 We create autonomous agents that interact with APIs, systems, and users, built to take on real-world tasks and reduce manual effort. 𝐌𝐋𝐎𝐩𝐬 𝐚𝐧𝐝 𝐒𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐈𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞 📚 We use AWS Lambda, Docker, Jenkins, and other tools to build fully automated, scalable deployment environments. 𝐀𝐏𝐈 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 𝐚𝐧𝐝 𝐒𝐚𝐚𝐒 𝐎𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧 🧳 We deliver fast, reliable, and startup-friendly integrations that keep your product lean and responsive. 𝐖𝐡𝐨 𝐖𝐞 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 📈 We collaborate with startup founders, product teams, and CTOs looking to embed intelligence into their apps or automate key processes. Whether you’re launching a GenAI MVP, improving search and knowledge retrieval, or building your own AI assistant, we bring the technical depth and startup mindset to make it happen. Over the past six years, we’ve helped tech companies cut through the AI hype and turn advanced tools into real product features and internal automation. From full-stack systems built with OpenAI to LLM-powered agents and robust RAG architectures, our focus is always on impact, speed, and reliability. If you’re building something with AI, we’d love to hear about it. Let’s turn your idea into something real.

AWS Lambda
OCR Software
Automatic Speech Recognition
Amazon Bedrock
LangChain
OpenAI API
Retrieval Augmented Generation
LLM Prompt Engineering
AI Chatbot
AI Agent Development
AI Development
FastAPI
Python
$40 hourly
Roman M.
- 5.0/5
- (3 jobs)
I am a full stack developer with 10 years of experience in building web applications, from small projects to large platforms, specializing in React, Next.js, Node.js, Django and databases like MySQL, PostgresSQL, and MongoDB, I am passionate about AI/ML, integrating LLMs(GPT, Anyscale, Claude) into applications. Also I have much experience in DevOps just like AWS, GCP deployment and GitHub CI/CD. I am always eager to solve complex problems and build innovative, scalable solutions. If you have any innovative idea to live, please let me know.

AWS Lambda
Redis
CI/CD
AWS Amplify
Payment Gateway Integration
ChatGPT API Integration
Chart.js
Material UI
Tailwind CSS
Django
Node.js
Nuxt.js
Vue.js
Next.js
React
$45 hourly
Vitalii S.
- 5.0/5
- (5 jobs)
I’m a ☕ 𝐉𝐚𝐯𝐚 𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫 with 𝟏𝟎+ 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 delivering robust, scalable, and maintainable applications across industries like telecommunications, cartography, and infrastructure. I specialise in delivering high-performance, scalable solutions using 𝐒𝐩𝐫𝐢𝐧𝐠 𝐁𝐨𝐨𝐭, 𝐌𝐢𝐜𝐫𝐨𝐬𝐞𝐫𝐯𝐢𝐜𝐞𝐬, 𝐑𝐄𝐒𝐓 𝐀𝐏𝐈𝐬 𝐚𝐧𝐝 𝐀𝐖𝐒 𝐂𝐥𝐨𝐮𝐝. I also have experience as full stack developer and played a role as a team lead. 💡 Let’s turn your vision into reality with efficient, resilient code and cloud-native solutions. ⚙️ 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 • Java (Core, EE) 8, 11, 17, 21 • Spring Framework (Core, MVC, Batch, Boot, Security) • Hibernate/JPA • JSF, JSP/Servlets • RESTful, SOAP API development • Microservices (Domain-Driven Design, API-first development). • Containerization (Docker) • CI/CD (Maven, Jenkins, Flyway) ☁️ 𝐂𝐥𝐨𝐮𝐝 𝐂𝐨𝐦𝐩𝐮𝐭𝐢𝐧𝐠 • AWS (Lambda, API Gateway, DynamoDB, EC2) 🗄️ 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 • PostgreSQL, MySQL, MariaDB, Oracle • NoSQL (DynamoDB) 🧪 𝐓𝐞𝐬𝐭𝐢𝐧𝐠 • JUnit, Mockito 🔧 𝐁𝐮𝐢𝐥𝐝 𝐓𝐨𝐨𝐥𝐬 • Maven, Gradle 🌐 𝐅𝐫𝐨𝐧𝐭-𝐄𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 • HTML, CSS, JavaScript, ReactJS • Thymeleaf, JSP, JSF/PrimeFaces 🔄 𝐕𝐞𝐫𝐬𝐢𝐨𝐧 𝐂𝐨𝐧𝐭𝐫𝐨𝐥 • GIT, SVN 🧩 𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐃𝐞𝐬𝐢𝐠𝐧 • Object-Oriented Design • Microservices architecture 📊 𝐏𝐫𝐨𝐣𝐞𝐜𝐭 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 & 𝐀𝐠𝐢𝐥𝐞 • Agile (Scrum, Kanban) • Sprint Planning, Stand-ups, Retrospectives 💡 𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬 & 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐀𝐧𝐚𝐥𝐲𝐬𝐢𝐬 • Requirements Gathering & Risk Analysis • Technical Design & Application Modeling. • Implementation Planning & Support 📄 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗲𝘀 • Oracle Certified Associate, Java SE 8 Programmer • AWS Certified Solutions Architect – Associate • 𝐈’𝐦 𝐚𝐥𝐰𝐚𝐲𝐬 𝐥𝐞𝐚𝐫𝐧𝐢𝐧𝐠 𝐚𝐧𝐝 𝐞𝐯𝐨𝐥𝐯𝐢𝐧𝐠, as shown by my recent certifications 👨‍🎓 𝗘𝗱𝘂𝗰𝗮𝘁𝗶𝗼𝗻 • Master's degree in Software Engineering from Yuriy Fedkovich Chernivtsi National University

AWS Lambda
RESTful API
GraphQL
Docker
PostgreSQL
Spring Framework
React
Git
MySQL
Hibernate
Amazon DynamoDB
Amazon Web Services
Spring Boot
REST API
Java
$45 hourly
Pavlo B.
- 5.0/5
- (13 jobs)
Whether it's a mobile coaching app, an AI-powered wellness platform, or a subscription-based SaaS, I help health-focused startups and ongoing businesses move quickly with the right tech and user-first design. With 10+ years in full-stack development and 150+ shipped projects, I build scalable, intuitive products people actually want to use. ✅ What you get • Discovery call to align on goals, tech, and timelines • Clean, scalable code and launch-ready results • Strategic thinking baked into every decision 🚀 What I built • Wellness & Fitness Apps - Coaching flows, habit tracking, wearables • AI-Powered Products - GPT chatbots, voice (SST/TTS), personalization • SaaS & Marketplaces - Dashboards, subscriptions, scalable APIs • React Native Mobile Apps - Health, mindfulness, education, productivity • Admin Tools & Dashboards - Ops, client management, analytics • E-commerce UX - Subscription logic, checkout flows, Stripe/PayPal 🔧 Tech stack Frontend: React.js, Next.js, React Native, TypeScript Backend: Node.js, NestJS, Express, Python DB: PostgreSQL, MongoDB, Supabase AI/Voice: OpenAI API, LangChain, VAPI, ElevenLabs Infra: AWS, Docker, Firebase, Vercel Payments: Stripe, PayPal 🏆 Why founders choose me • MVPs built fast, with scale in mind • Habit-forming UX and clean, future-ready architecture • Full-cycle delivery from planning to launch & iteration 📬 Click “Send a Message” — I’d love to hear what you’re working on!

AWS Lambda
Minimum Viable Product
Mobile Development Framework
React Native
API Integration
NestJS
Web Development
Tailwind CSS
HTML
CSS
Web Application
Node.js
JavaScript
TypeScript
React
$47 hourly
Andrii K.
- 5.0/5
- (30 jobs)
Product quality and on-time delivery are the keys to me, so I build high-quality web apps with great performance. I have strong skills in Node.js, Next.js, Ruby on Rails, also in-depth knowledge of front-end technologies, such as React.js, Angular.js, Vue.js, and hybrid mobile development with React Native. My #1 goal is to meet your business needs and create successful projects. AI skills: AI Integration, OpenAI API, GPT-3, GPT-4, AI Chatbot Development, Machine Learning, Natural Language Processing (NLP), AI Automation, AI-Powered Web Apps, Data Analysis with AI, AI-driven APIs, AI-based Personalization. My team and I are offering custom web development services for clients around the world. We’ve fulfilled over 50 startups spanning multiple industries: - Healthcare - Education - eCommerce, - Marketplace, etc. We have successfully completed numerous projects involving API integrations, custom web development, and automation solutions, AI chatbots One of my strong points is excellent communication. And it helps me to build an effective working process, which consists of: 1. Firstly, I collect all the data about your project and build the prototypes based on your project needs. 2. Secondly, I define what technology will be the best choice for your project and prepare the estimation. 3. On the next step, I divide the development process into several sprints following Lean Principles and the best Agile Methodologies. I’m closely familiar with JIRA and Trello. 4. After, we start the development process. The most important thing for me is to provide daily communication to get feedback and plan further steps. 5. I want to be sure that I deliver the only high-quality product. That’s why testing is one of the key points in my work. Contact me to get a free consultation. I’ll be glad to learn more about your project. Additional Expertise: HTML5, CSS3, Sass, Scss, Responsive Web Design, Cross-Browser Compatibility, Web Accessibility, SEO Optimization, Frontend Architecture, Query, Angular, Vue.js, Ember.js, Web Components, Progressive Web Apps (PWA), Single Page Applications (SPA), Server Side Rendering (SSR), Client Side Rendering (CSR), API Integration, GraphQL, RESTful APIs, Web Performance Optimization, Browser DevTools, Git, GitHub, Webpack, Gulp, npm, yarn, Visual Studio Code, Sublime Text, Atom, Responsive Images, Lazy Loading Images, Code Splitting, Error Handling, Debugging, Agile Methodologies, Scrum, Kanban, Continuous Integration and Deployment (CI/CD)

AWS Lambda
AI Agent Development
Chatbot Development
AI App Development
AI Chatbot
Stripe
Machine Learning
Artificial Intelligence
ChatGPT
JavaScript
Amazon Web Services
React Native
Node.js
Mobile App Development
React
$50 hourly
Volodymyr L.
- 5.0/5
- (23 jobs)
Senior Software Engineer with 10 years of experience in full-stack software development, specializing in the creation of highly complex web applications. His expertise lies in CRM development, where he focuses on using RESTful APIs, design patterns, and Agile practices to build robust and scalable solutions. Throughout his career, Volodymyr has been dedicated to designing APIs with Node.js and MongoDB or MySQL database architectures, emphasizing modularity and scalability. He has a strong ability to design systems from scratch, manage planning processes, and drive team performance improvements. One of his significant achievements was increasing team performance by 30% by implementing Agile and Scrum practices and enhancing code quality by 15% through the use of automated tools. As a self-learner, Volodymyr is always eager to acquire new skills and knowledge. This drive has led him to explore and integrate AI technologies into the development process, significantly speeding up the creation of new applications. His keen interest in system design and application architecture motivates him to continually find innovative ways to deliver functionality effectively. He is passionate about optimizing workflows and processes to achieve the best possible outcomes. His experience in full-stack development includes both front-end and back-end technologies, allowing him to approach problems with a comprehensive perspective. He has a track record of delivering high-quality software that meets user needs and exceeds expectations. Volodymyr's technical skills encompass a wide range of technologies, including JavaScript, TypeScript, CSS, HTML, Angular, NgRx, React, Redux, RxJs, Lodash, Bootstrap, Moment.js, Node.js, Nest.js, Express.js, Chart.js, JEST, Jasmine, Karma, Mocha, Chai, Sinon, Cypress, Socket.IO, GraphQL, MongoDB, MySQL, PostgreSQL, MariaDB, Redis, Nginx, AWS, Lambda, S3, EC2, Firebase, Heroku, Docker, Git, RabbitMQ, Digital Ocean, REST, SonarQube, SonarCloud, Microservice Architecture, PWA, XSS, SSL, Figma, Zeplin, Balsamiq, Unit Testing, and AI. Volodymyr's goal is to continue leveraging his skills and experience to build efficient, scalable, and user-friendly applications. He is always in search of new challenges and opportunities to grow, both personally and professionally. By staying abreast of industry trends and continually honing his expertise, he strives to remain at the forefront of software engineering and contribute to the success of the projects he works on. My strongest skills are: ✅ TypeScript, Angular, Node.js ✅ Redux, NgRx, RxJs (rx.js) ✅ REST API ✅ MongoDB/MySQL ✅ AWS, AWS Lambda ✅ Docker ✅ GraphQL ✅ Microservice architecture

AWS Lambda
React Native
React
CRM Software
CRM Development
PostgreSQL
MySQL
Architecture
Node.js
Angular
TypeScript
AJAX
Docker
Redux
JavaScript
$60 hourly
Oleg S.
- 4.9/5
- (16 jobs)
𝐒𝐢𝐧𝐜𝐞 𝟐𝟎𝟎𝟕, 𝐰𝐞’𝐯𝐞 𝐩𝐫𝐨𝐯𝐢𝐝𝐞𝐝 𝐚 𝐭𝐚𝐥𝐞𝐧𝐭𝐞𝐝 𝐚𝐧𝐝 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞𝐝 𝐭𝐞𝐚𝐦 capable of working independently or integrating seamlessly into your existing team to turn your project ideas into reality. Offering flexible engagement models, competitive pricing, and a focus on your success, we are your ideal technical partner. Let us help bring your vision to life. # 𝐎𝐮𝐫 𝐞𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 𝐜𝐨𝐯𝐞𝐫𝐬 𝐜𝐨𝐦𝐩𝐥𝐞𝐱, 𝐥𝐨𝐧𝐠-𝐭𝐞𝐫𝐦 𝐩𝐫𝐨𝐣𝐞𝐜𝐭𝐬 using the latest technologies: - Mobile: Flutter, React Native - Backend: Node.js, NestJS, Python (Django/Flask), PHP (Symfony, Laravel) - Frontend: Angular, Typescript, React.js, NextJS, ExtJS/Sencha - AI: ChatGPT, Claude, Gemini 🤖 - Cloud & Databases, etc: AWS/GCP, S3, SQL/NoSQL, WebRTC - UI/UX: Design and User eXperience solutions # 𝐖𝐡𝐲 𝐏𝐚𝐫𝐭𝐧𝐞𝐫 𝐰𝐢𝐭𝐡 𝐔𝐬? - Focus on your core business while we handle your IT needs. - Access expert-level skills without the overhead of training. - Mitigate risks through our deep industry knowledge. - Streamline your operations and improve flexibility. - Boost productivity and gain a competitive edge with our expertise.

AWS Lambda
Node.js
TypeScript
RESTful API
Python
React Native
Mobile App Development
Flutter
DevOps
Ext JS
React
Elasticsearch
Software Architecture & Design
Software QA
Startup Consulting
$39 hourly
Oleksii D.
- 5.0/5
- (11 jobs)
Full-stack React, NodeJS, Python developer, Tech-Lead, Architect. 10+ years of experience, including production experience with AWS (EC2, S3, Lambda, RDS etc), High-Load, Big Data and Machine Learning I'm very Passionate about delivering high-quality results efficiently. Thrive in fast-paced environments with quick turnarounds, iterative processes, and rapid feedback loops. I have production experience with: Javascript / NodeJS (6+ years), Python (6+ years), PHP React, Redux, Flask, Loopback, Symfony MongoDB, SQL, Machine learning OOP, Functional Programming, Reactive Programming.

AWS Lambda
Amazon S3
JavaScript
PHP
Amazon ECS
React
MongoDB
Node.js
SQL
Machine Learning
Python
$50 hourly
Platon M.
- 5.0/5
- (39 jobs)
Hello, I'm CTO at fintech software development company and core banking white-label solution - finhost.io A few numbers referring to our achievements: ✅ 50+ successfully completed projects ⏳ 1500+ hours with UX/UI, Mobile/Web App Development and Fintech Solutions ⭐️ 5.0 stars at clutch.co/profile/docode 🏆 TOP RATED We work with following models: 🚀 e2e project development (full development cycle) 🧍‍♂️ IT staff augmentation 👫 Dedicated teams Project development cycle: ⚙️ Free estimate ⚙️ Reasonable choice of technologies according to your project ⚙️ Architecture and UX/UI of the project ⚙️ Front-end/back-end development ⚙️ Testing ⚙️ Support 👉 Software development: ✅ Web/mobile apps ✅ API implementation ✅ UX/UI Design ✅ Custom CRM systems ✅ QA testing ✅ Certified AWS DevOps & Back-End Engineers ✅ Migration to the cloud ✅ Technical consulting 💁‍♂️ Our already made solutions Custom: 🛠️ CRM systems 🛠️ Administration tools 🛠️ Monitoring systems 🛠️ Custom web platforms 🛠️ Custom mobile applications 🛠️ Data Analytics Fintech: 💳 Onboarding & AML | KYC | KYB 💳 UK Local Payments | SEPA | SWIFT 💳 Currency Exchange 💳 Mobile banking | Digital Wallet 💳 Card issuing & management 💳 BaaS API implementation Healthcare: ❤️ Integration medical platform with salesforce system ❤️ Mobile application for dermatological diseases detection with AI ❤️ Beauty salon appointment system Start your project with .doCode team today by sending message to me.

AWS Lambda
JavaScript
AWS CloudFormation
TypeScript
AWS Amplify
Amazon Web Services
WordPress
FinTech
Node.js
AWS CloudFront
Financial Software
React
React Native
Web Design
UX & UI
$40 hourly
Vadym B.
- 5.0/5
- (23 jobs)
I'm a experienced and client oriented Front-end developer. I have over 6 years of experience web development. Having a rich experience front-end development, building and integrating API's, and in cloud services. I consider myself a person who follows modern web development practices and new technologies; a person who never stops learning; a person who is trustworthy, responsible, respects deadlines and knows that customer’s satisfaction is the key to success. It's important to me to build ling-term relationships with my clients, so I will do my best to help you to find correct solution for your current or future project. Professional skills & experience: ~ HTML5/JSX ~CSS3/SCSS ~JavaScript(ES6) ~TypeScript ~Vue.js (Nuxt.js, Quasar) ~Node.js ~AWS (AppSync, Lambda, API Gateway, DynamoDB, Cognito, EC2, ECS, S3, SES, Route53)

AWS Lambda
Angular 6
Node.js
HTML5
jQuery
CSS 3
Vue.js
JavaScript
React
Sass
$29 hourly
Dmytro T.
- 4.9/5
- (12 jobs)
🚀 Your Expert JavaScript & PHP Developer With over 10 years of experience in Front-End(React) and Back-End development, I have built small, medium, and enterprise-level applications using the latest web technologies. My expertise spans across scalable architectures, efficient databases, and modern frameworks to deliver high-performance solutions. 🔹 Technical Expertise ✔ JavaScript (ES6+, ESNext) | TypeScript ✔ Frameworks: Vue.js (Nuxt.js), React.js (Next.js), Angular ✔ Backend: Node.js (ExpressJS, Koa), PHP (Laravel, MySQL) ✔ Databases: PostgreSQL, GraphQL, MongoDB, MySQL ✔ Real-time Communication: Socket.IO, Twilio (SMS) ✔ Performance & UI/UX: PWA, Responsive UI, Cross-browser compatibility ✔ DevOps & Cloud: Git Flow, CI/CD Pipelines, AWS (EC2, S3, Lambda, DynamoDB), Docker ✔ Project Management: Agile (Scrum, Kanban) using Jira, Asana, ClickUp, Trello I have strong expertise in database design and management, with hands-on experience in MySQL, PostgreSQL, SQLite, MongoDB, and CouchDB. From writing complex SQL queries to designing stored procedures and triggers, I ensure data integrity, scalability, and efficiency. I’m available immediately to discuss your next project. Let’s connect and build a 5-star solution together! Best regards, Dmytro

AWS Lambda
Back-End Development
Web Development
AWS Amplify
Full-Stack Development
MySQL
Next.js
Vue.js
JavaScript
SaaS
PostgreSQL Programming
React
Node.js
MongoDB
Laravel
$29 hourly
Yurii L.
- 5.0/5
- (8 jobs)
Are you looking for an experienced back-end developer? I’m ready to serve your business! My primary focus is delivering high-quality solutions to my clients and partners, with a commitment to quality and quick turnaround times. I have more than 7 years of experience, and I have accumulated and successfully applied the following knowledge and skills: Related skills: 🔹Python 🔹Django 🔹Golang 🔹Flask 🔹Fast API 🔹Web scraping/crawling 🔹SQL 🔹NoSQL 🔹MongoDB 🔹GraphQL 🔹Rest API 🔹Celery 🔹Redis I prefer long-term cooperation that allows me to entirely focus on the client's needs. So, tell me more about your project and I'll tell you how I can help with your business. With my skills and expertise, I am confident that I can provide you with the optimal solution you need to succeed. Let's work together to bring your idea to life! My other skills; Python programming language, Web Scraper, JavaScript, Flask, FastAPI, MongoDB, PostgreSQL, Cloudflare, Puppeteer, XPath, Headless browsing, Regular expressions, JSON parsing, HTML parsing, Web scraping bots, Crawling frameworks, Data storage solutions, Platform, Web Application Integration, Web App Development, Mobile App Development, MVP, Senior Python Developer, Python expert, Python/Django developer, Back-end Development, Backend Engineer, Backend Developer, Senior Backend Engineer, Automation Platform Development, AI Web APP, AI developer, AI-Powered, Django Expert, Web Developer, Website, API, Web Development, API Integration, Web Application, RESTful API, Artificial Intelligence, Machine Learning, Smartphone, Azure DevOps, Database Architecture, API Development, Solution Architecture, Database Maintenance, Mobile App, Firebase, Chat GPT Integration, E-commerce, Excel, GCP, Stripe, Payment gateways, CRM, SaaS, Financial, Medical, Healthcare, MedTech, Education, Real Estate, Social Media Integrations, Social Media App Development, Social Network, Geo, Location services, GPS, Maps, Map integration, Marketplace, EV Charging, Automotive, Logistics, Delivery, Food Ordering, FinTech, Banking, Dashboard, Insurance, LMS, ERP, EHR, HR system, Management platform, CSS, HTML, Microsoft, MS Office, Git, Amazon Web Services, MySQL, SQL, Full-Stack Development, NoSQL, Database Distributed Systems, Business Process Automation, DynamoDB, Third-party APIs, Twilio, Google Maps, Socket.IO, Software Development, Android App Development, Native App Development, iOS Development, MapBox, Redis, Celery, Firebase Cloud Firestore, SQLite, Data Scraping, Data Mining, Data Extraction, Web Crawler, Amazon S3, AWS, DigitalOcean, Bot Development, Database, Django framework, Browser Automation, Scrapy, Scrapy framework, Web Scraping, Selenium, Playwright, Python Script Automation, Beautiful Soup, Web Crawling, Scripting, Data Analysis, Data Visualization, Smartphone, Tablet, Push Notifications, Mobile SDK, Mobile Payments, Security, Data Privacy, Mobile Developer

AWS Lambda
Flutter
React Native
Front-End Development
Mobile App Development
Python Script
Back-End Development Framework
Web Scraping
Back-End Development
Web Development
Web Application
JavaScript
Java
Full-Stack Development
Python
MongoDB
Vue.js
Node.js
$30 hourly
Iryna K.
- 5.0/5
- (6 jobs)
Hello! I'm passionate about AI solutions that solve today’s challenges in innovative ways. With experience in software development, testing, and building Alexa skills, I’ve witnessed how AI can solve problems, boost efficiency, and help businesses succeed in a fast-changing world. What I Offer : - Custom AI Development - ChatGPT Chatbots - Machine Learning & Data Analysis - Consultation & Strategy Expertise: - AI Integration: I specialize in integrating AI services into existing infrastructure, making systems smarter and more efficient. Java: My proficiency in Java allows me to create scalable, and high-performance AI solutions. LangChain: I have a strong foundation in LangChain, an emerging technology that enables to build AI solutions that can understand and process human language. Alexa Skills: Architecture and design Alexa skills, Amazon Alexa Skills Development IoT: IoT Projects and integration Maintenance: Update and support existing skills Frameworks: - LangChain - OpenAI - LLaMA, - Palm - Redis - Alexa skill kit - Alexa conversation - Java - Python - APL Contact me today to discuss your project, and let's jump on a journey to transform your business through the magic of voice and AI.

AWS Lambda
Artificial Intelligence
Natural Language Processing
Conversational AI
AI Consulting
AI Agent Development
LLaMA
ChatGPT
LangChain
AI Chatbot
Chatbot
Python
Java
Alexa Skills Kit
AWS Application
$30 hourly
Vadym V.
- 5.0/5
- (10 jobs)
Ready to design and manage robust AWS Cloud Infrastructure. I conduct Well-Architected Framework Reviews (WAFR) in AWS, design architectural diagrams of varying complexities, and document existing infrastructures. I can help optimize your AWS projects for: - High availability, performance, and scalability; - Cost optimization audits; - Security enhancements and issue mitigation; - Resource optimization; - Automation through Python and Bash scripting. My technical expertise extends beyond AWS, encompassing proficiency in Python scripting, Docker containerization and orchestration, Linux-based OS, Git, Ansible, Terraform, deployment of CI/CD tools, and monitoring. I'm excited to collaborate on projects related to AWS and cloud infrastructure! Please feel free to reach out.

AWS Lambda
Grafana
Prometheus
Ansible
Terraform
VPN
Git
Docker
Python Script
Linux
DNS
AWS Fargate
Network Security
Network Architecture
Amazon Web Services
$30 hourly
Anna S.
- 5.0/5
- (8 jobs)
Hey there ☺️ I build and optimize high-performance websites and apps using React, focusing not only on aesthetics but also on consistent performance and future scalability. Whether you need custom React development, API integration, cloud deployments, or a quick feature addition, I’ve got you covered. I’ve spent over 10 years in full-stack development, leveraging React to build scalable, secure, and high-performing web apps for brands. Using modern technologies like React.js, Node.js, MongoDB, and Express.js, I ensure your application runs smoothly. If your app needs a React-based refresh, new features, or performance boosts, I can deliver. 🔹 What I Do Best ✅ Custom Web Application Development – Full-stack apps built with React.js, Node.js, Express.js, and MongoDB. ✅ API Development & Integration – Secure, efficient REST & GraphQL APIs integrated with React apps. ✅ Front-End & Back-End Development – Responsive React-powered UI/UX and robust server-side logic with Node.js. ✅ DevOps & Cloud Deployments – Using AWS, Docker, and Kubernetes for seamless React app scaling. ✅ Performance & Security Optimization – Enhancing React app speed, security, and reliability. ✅ E-commerce & SaaS Solutions – End-to-end React-driven development for scalable platforms. 💡 Projects I’m Proud Of 🔹 SaaS Platform – Scalable Full-Stack React Application ✔ Developed a robust SaaS platform using the MERN stack with React.js at its core. ✔ Integrated custom APIs and cloud solutions for smooth React app performance. ✔ Achieved a 40% increase in user engagement through React-enhanced UX. 🔹 E-commerce Solution – High-Performance React Store ✔ Built a custom e-commerce application with React.js and Node.js. ✔ Implemented advanced payment gateways and multi-currency support in a React interface. ✔ Boosted conversion rates by 25% with React-optimized checkout processes. 🔹 Enterprise Application – React-Powered Data Dashboard ✔ Created a dynamic dashboard using React.js, Next.js, and GraphQL. ✔ Enabled real-time data visualization with React-driven analytics. ✔ Improved processing speed by 50% through React and back-end optimization. Why Work With Me? ✔ 10+ years in Full-Stack Development – Delivered React-based solutions across industries. ✔ Full-Stack Expertise – React.js, MERN stack, TypeScript, Tailwind CSS, AWS, and more. ✔ Performance & Security Focused – Ensuring fast, secure, and scalable React applications. ✔ Long-Term Support – From React development to maintenance, I help businesses thrive. If your web application needs a React upgrade, new features, or better performance, let’s chat. I’ll help you turn your vision into a powerful, React-driven web app. 📩 Send me a message, and let’s get started!   🔹 Full-Stack & Web Development Expertise React.js. Node.js. Express.js. MongoDB. TypeScript. Next.js. GraphQL. Redux. Tailwind CSS. AWS. Docker. Kubernetes. REST APIs. API Integration. E-commerce Development. SaaS Solutions. Agile Methodologies. DevOps. Performance Optimization. UI/UX Design. Scalable Web Apps. Cloud Deployments. Secure Architecture. 📆 Last Updated: 06/13/2025

AWS Lambda
MERN Stack
Back-End Development
Front-End Development
Next.js
PostgreSQL
MongoDB
Web Application
TypeScript
Prototype JavaScript Framework
Node.js
React
Full-Stack Development
Web Development
JavaScript
$21 hourly
Aleksandr S.
- 5.0/5
- (15 jobs)
At Roobykon Software, I specialize in automating, scaling, and optimizing infrastructure and development workflows to help our clients achieve efficient, reliable software delivery. With over 10 years of hands-on experience as a Senior DevOps Specialist, I ensure robust integration and scalable operational environments for every project. Our team is dedicated to empowering companies to build and grow their marketplace businesses with cutting-edge DevOps solutions. 🏆 Area of expertise: • E-commerce (including multi-vendor marketplaces and product/service platforms) • FinTech (payment gateways, escrow systems, and custom financial solutions) • CRM Systems (tailored customer relationship management platforms) • Logistics (marketplaces for delivery, warehousing, and transportation) • Marketplace Development (B2B, B2C, peer-to-peer, product, service, and rental-based platforms using Sharetribe and custom-built solutions) • Travel and Tourism (booking platforms for accommodations, experiences, and tours) • Car Rent and Rental Websites (multi-vendor vehicle rental platforms) • Retail (multi-vendor e-commerce platforms, digital storefronts) • Construction and Real Estate (property listing marketplaces, contractor bidding platforms) • Aviation (charter services, private jet booking platforms) and boat rental (yacht, boats, jet ski) • Entertainment and Social Networking (event booking, ticketing, and social interaction platforms) • Marketing and Advertising (customized marketplaces for ad placements, influencer marketing platforms) • Insurance (platforms for comparing and purchasing insurance policies) • Industrial (B2B marketplaces for industrial goods and services) • Marketplaces for hospitality services, catering, and restaurant supplies • Mental Health and Healthcare (platforms for telemedicine, therapy services, healthcare provider listings) • Management (resource management platforms for HR, procurement, and project collaboration) Got an idea but unsure how to make it happen? We’ll provide tailored solutions to fit any budget and ensure everything is ready to go. With every project, we work as if it’s our own, always prioritizing your success. Buzzwords: Automation Continuous Integration Continuous Deployment (CI/CD) Infrastructure as Code (IaC) Microservices Orchestration Docker Kubernetes Monitoring Logging Containerization Scalability Load Balancing High Availability Disaster Recovery Fault Tolerance Infrastructure Automation Blue-Green Deployment Canary Deployment DevSecOps Secrets Management Immutable Infrastructure Jenkins Ansible Terraform GitOps Incident Management Rollback Auto-scaling EC2 S3 Lambda RDS Elastic Beanstalk CloudFormation ECS Fargate EKS Route 53 CloudWatch IAM SQS SNS CloudFront VPC Elastic Load Balancer (ELB) Redshift DynamoDB AWS Backup AWS CLI CloudTrail Security Groups DNS Management SSL Certificates Hosting Control Panel Domain Management Website Security cPanel Website Backup GoDaddy API Dynos Heroku Pipelines Add-ons Heroku Postgres Heroku Redis Heroku CLI Automated Deployments Buildpacks Git-based Deployments Jenkins CircleCI GitLab CI GitHub Actions Travis CI Pipeline Automation Continuous Testing Continuous Delivery Code Coverage Artifacts Rollbacks Webhooks Build Automation Docker Integration Deployment Automation Serverless Architecture Cloud Infrastructure Virtual Machines (VMs) Networking Configuration Load Balancers Storage Solutions Infrastructure Scaling VPC (Virtual Private Cloud) Network Security Monitoring Infrastructure as Code (IaC) Infrastructure Optimization Marketplace Development Multi-vendor Marketplace Sharetribe Go Sharetribe Flex Custom Marketplace Development Payment Gateway Integration Marketplace Scalability Sharetribe API Marketplace UX/UI Sharetribe Deployment MVC Architecture ActiveRecord Gem Bundler Action Cable RESTful APIs Convention over Configuration Rails Engines Active Job WebSocket Support Background Jobs TDD (Test-driven Development) Sharetribe Customization Sharetribe Expert Sharetribe Flex Sharetribe Go Sharetribe Expert Sharetribe Flex Developer Sharetribe Go Developer New Sharetribe

AWS Lambda
ELK Stack
Docker
MySQL
Bash
TCP/IP
CI/CD
Jenkins
Microsoft Hyper-V Server
NGINX
Amazon ECS for Kubernetes
Terraform
AWS Development
AWS CloudFront
DevOps
$35 hourly
Yalovenko D.
- 0.0/5
- (2 jobs)
Hey there! 👋 Welcome to my profile—I’m so glad you’re here! 😊 Enjoying what you see so far? Awesome, that means we’re on the same page! Let me introduce myself—I’m Yalovenko Denys, and I’d love the chance to meet you. I’ve been working professionally as a full stack developer for over 10 years. 🌟 My passion? Staying ahead of the curve with the latest tech! Whether you’re looking for Full-Stack Development, Blockchain, or AI expertise, I’ve got you covered. Over the past few years, I’ve been honing my skills in Next.js, Supabase, React, PostgreSQL, MongoDB, GraphQL, Shopify, and Web3 technologies. I love crafting unique, tailored solutions that truly make an impact. 🚀 I’ve also dived deep into working with APIs, services, and libraries. From Stripe to GoHighLevel, OpenAI to Zapier, I’m familiar with implementing integrations like webhooks, automation, and membership platforms to make your project shine. ✨ Here’s a quick look at what I can bring to the table: 🔹 Strong understanding of JavaScript, TypeScript, React, Redux, Node.js, MongoDB, PostgreSQL, MySQL, and GraphQL. 🔹 Expertise in building modern web applications with Next.js and Supabase. 🔹 Experience crafting custom e-commerce platforms on Shopify. 🔹 Knowledge of HTML, CSS, SASS, Bootstrap, and Tailwind for responsive and stylish UI/UX design. 🔹 Skilled in codebase management with Git and streamlining build processes using Webpack and CI/CD pipelines. 🔹 Proficient in testing frameworks like Jest, ensuring robust and reliable solutions. 🔹 Experienced in creating marketing funnels, automation, and workflows with GoHighLevel. 🔹 Advanced in integrating AI solutions using OpenAI for web scraping, data analysis, and chatbot development. 🔹 Familiarity with automation tools like Puppeteer and Playwright for seamless browser-based workflows. 🔹 Expertise in WordPress—theme/plugin development, Gutenberg blocks, and Elementor. While full-stack development is my forte, I’m always excited to take on challenging projects that push the boundaries. Let’s work together to make your vision a reality! 🌟 Keywords: Full Stack JavaScript Developer, MERN Stack Developer, Full Stack Web Development, React.js Developer, Frontend Web Developer, Backend Developer. Next.js Development, Supabase Integration, API Development, Stripe Integration, Membership Platforms. Shopify Developer, E-commerce Development, Shopify Plus Customization. Responsive Web Design, MaterialUI, Tailwind CSS, CSS Animations, Progressive Web Apps. AI Integration, OpenAI Chatbots, Data Analysis, Web Scraping. WordPress Development, Gutenberg Blocks, Elementor, WooCommerce, WordPress Security, SEO for WordPress. DevOps, AWS Deployment, Cloud Hosting, CI/CD Pipelines. GoHighLevel Development, Marketing Funnels, Automation Solutions. If you’re ready to bring your ideas to life, let’s connect! I’m here to help you create something outstanding—let’s make it happen! 💡

AWS Lambda
Shopify
Laravel
Node.js
NoSQL Database
SQL
C#
ASP.NET
Supabase
Next.js
Artificial Intelligence
Ecommerce Website
Ecommerce
Web Development
$26 hourly
Lada L.
- 5.0/5
- (4 jobs)
Greetings! Are you looking for a skilled developer to bring your custom web service vision to life from scratch? 🙌 Or do you need someone dedicated to enhancing your existing project? 🛠 I’m excited to potentially work with you! I'm passionate about working on projects in the 👨‍🎓educational, 🎧musical, 🎮gaming industries, or any initiative aimed at improving people's lives 🌳. As a member of the international team HaltenTech, we are equipped to handle large-scale projects efficiently and effectively. My primary role involves helping clients crystallize their vision and identify the best technologies and solutions for their project's needs. I specialize in backend development, database management, and coordinating the integration of the frontend with the backend. I thrive on working with complex data structures. My tech stack includes but is not limited to: Programming Languages: ● Proficient in Python ● Experience with C#, TypeScript, JavaScript, SQL, HTML, CSS ● Basic knowledge of C++, PHP, Java Technologies: ● Backend: AWS Lambda, Node.js, NestJS, Django, Flask ● Databases: MongoDB, PostgreSQL, MySQL, SQLite ● Frontend: React, Bootstrap ● DevOps: Docker, GitHub, GitLab, BitBucket Supplementary Skills: ● Familiarity with 3D modeling (Blender) ● Game development (Unity) With 5 years of web development experience in SEO, the gaming industry, and the sustainability sector, I've honed my skills to deliver clever solutions to complex problems. Additionally, I spent 3 years teaching kids and adults to program in Python and develop games with Unity at STEP Computer Academy, which significantly enhanced my communication skills. I am always eager to learn new things and stay updated with the latest technologies. If you believe I can contribute to your project, feel free to reach out! 🙂

AWS Lambda
MongoDB
NestJS
Node.js
Game Development
Web Development
Database Development
TypeScript
Unity
Python
C#
$70 hourly
Nazar R.
- 4.7/5
- (110 jobs)
Qualified Full Stack Web Developer with 10 years of experience. I can help you with: - websites (custom-crafted and built on CMS); - apps; - SaaS platforms. Back-End ✔ MEAN (MongoDB, Express.js, Angular, and Node.js), MERN (MongoDB, Express.js, React, and Node.js); ✔ Python (Django, Flask, Tornado), Data Transferring; ✔ Restful API (Google APIs, Payment Processing, etc.); ✔ MySQL, PostgreSQL, MongoDB, etc.; ✔ Payment Gateways: PayPal, Stripe, Braintree, Wirecard, etc.; ✔ Server setup. Front-End ✔ HTML5/CSS3(W3C standard); ✔ Javascript (Angular, Ember.js, React JS/React Native, Node.js, Ajax, jQuery); ✔ Mobile-friendly layout coding; ✔ Front-end frameworks (Bootstrap, Tachyons, etc.) ✔ Cross-browser compatibility. Have any questions? Send me a message :)

AWS Lambda
FastAPI
NoSQL Database
NodeJS Framework
Flask
Vue.js
SaaS
Web Development
Node.js
React
Amazon Web Services
Python
SQL
Django
JavaScript
$50 hourly
Mykyta D.
- 5.0/5
- (20 jobs)
⭐⭐⭐⭐⭐"Mykyta has exceptional characteristics both in hard and soft skills. He took a part in complex software development projects as a part of a large mixed group. The feedback from our customers and team is always positive." ⭐I'm the highest-rated and highest-earning Java & Groovy freelancer on Upwork with numerous 5-star reviews, including overly positive feedback. ⭐ I've developed different custom specific software using modern java & groovy software using microservice and monolithic architecture, improved performance, refactored and tested in next business domains: ✅ Utilities ✅ Fintech ✅ Auto ✅ Security ✅ Cryptocurrency ✅✅✅ Brief information about me! ✅✅✅ ✅ Senior Java & Groovy Software Engineer ✅ Specializing in back-end development | Cloud Integrations (AWS, GCP, Azure) ✅ I have over 6.5+ years of experience in Java development ✅ Experienced both in developing software from scratch and maintaining large existing projects ✅ I have hands-on experience in developing back-end web services with micro-service or monolith architecture using Java technology stack, including modern cloud-based solutions. 🌟 WHY YOU SHOULD CHOOSE ME OVER OTHERS? 🌟 ✅ Clients' feedback: I am concentrating on giving VALUE and bringing SUCCESS to all of my customers, earning their TRUST and helping them to EARN MONEY. ALL customers' feedback on my Profile is extremely important to me and proves the value that I provide. ✅ Responsiveness: Communication is extremely important as a part of every business ever existed, and once it is fast and clear, it may lead to awesome results, that's why I tend to be available for my customers in no time, reply fast and clear, as well as I try to be fair, understanding and responsive. ✅ Kindness and Empathy: My main personal principles that I implement in every facet of my life. Treating everyone with respect, aiming to understand the whole situation or problem to solve the pain of my client, and constantly work to IMPROVE the client's product. 🙋🏼‍♂️I am eager to work with you, to provide high-quality code, reliable, consistent solutions, solve your problems and bring success to your business. Contact me, and we will discuss how we can work together to FULLY meet your Business Needs, follow your business rules, and bring you success. A big area of expertise: - REST API design and development - Horizontally scalable and highly available systems - Automating development workflows and deployment pipelines - Micro-service design and development - Design and development of decentralized applications (DApps) - Monitoring, log aggregation - Java and Groovy development - Service-Oriented architecture - Spring Framework (including cloud-based stack) - Experience in NoSQL Development (MongoDB, Neo4j) - Performance and Scalability Optimization Huge Skills & Technologies set: - Java/Groovy - AWS - Linux (with distributives) - Jenkins, CircleCI, Rundeck, Rancher - Docker - MySQL, Postgres - Redis, MongoDB, Neo4j. - RabbitMQ, ActiveMQ, SQS, RabbitMQ

AWS Lambda
Java Servlet API
Core Java
AWS CloudFormation
Django
Hibernate
React
Angular
JavaScript
Python
Grails
Apache Groovy
Kotlin
Java
Spring Boot
$45 hourly
Andrii T.
- 4.8/5
- (8 jobs)
🧑‍💻 10+ years of software development covering full-circle of development | 🏎️ Fast prototyping | 🌍 Trusted by global brands and startups With 10+ years of experience developing for top companies and startups, I specialize in delivering secure, reliable, and high-performance solutions. Whether you need a fast prototype for your startup to impress investors or a scalable product ready for launch — I’ve got you covered My expertise includes: - Full-stack development - Mobile development - Browser extension development - Database architecture and normalization - System optimization - High load testing In areas like: - VoIP systems - Customer management - Education - Streaming - Logistics & delivery - Booking & scheduling platforms - Real-time communication - POS - IoT - Sport Betting I pride myself on delivering high-quality work with exceptional speed, helping startups establish their success—whether it’s boosting speed of development, take over an issues and improving the systems Looking to scale? I can tap into a talented creative network for any additional skills, ensuring your project can scale seamlessly with your business Let’s discuss how I can help you grow your startup or resolve issues what your business have --- keywords: frontend, front-end, backend, back-end, full-stack, mobile app, web app, web development, react.js, node.js, next.js, nest.js, mongodb, mysql, postresql, sql, react native, react-native, ios, android, microservices, serverless, rabbitmq, aws, ec2, amazon web services, ci/cd, ci, cd, grpc, express.js, typeorm, sequelize, pm2, docker, containers, sockets, socket.io, web sockets, html, css, user experience, user interface, ux, ui, ux/ui, graphic designer, product strategy, user testing, prototype

AWS Lambda
Web Development
Web Application
API
Vercel
iOS Development
React Native
PostgreSQL
MongoDB
NestJS
TypeScript
JavaScript
Node.js
Redux
React
$40 hourly
Andrii M.
- 5.0/5
- (9 jobs)
Senior Java Developer with 18 years of experience in Web Development using Java, Kotlin & JavaScript | TypeScript stack. Deep knowledge of Spring Framework, Spring Boot Web MVC, Spring Boot WebFlux, PostgreSQL, Node.js, Nest.js, Next.js & React. Master in Computer Science. For the last 18 years, I have been providing the following 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬: ✅ Full-stack Software Development ✅ Web development ✅ Mobile application development ✅ Database modeling ✅ Implementing high-load microservices ✅ API development and integration ✅ Improve application performance ✅ POC and MVP development ✅ Cloud Engineering Working worldwide, I helped 5 customers from Fortune 500 with software development, coding, testing, infrastructure setup, forming and supervising a development team. I specialize in the following business 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬: 🏦 Fintech -💲Digital Banking -💲 Regulatory Compliance -💲Investment Management -💲 Securities Trading -💲 Securities Landing -💲 Payment Systems 🔆 Renewable Energy 💊 Healthcare 🏠 Real Estate 📚 Education 🚚 Logistics 🎯 Marketing 𝗧𝗲𝗰𝗵 𝘀𝘁𝗮𝗰𝗸: 🗄️ Backend: Java, Kotlin (Spring Framework, Spring Web MVC, Spring Boot WebFlux), TypeScript (Node.js, Nest.js), Golang ⚛ Web: TypeScript, JavaScript, HTML5, CSS, Next.js, React, Angular 📳 Mobile: ReactNative, Flutter, Ionic 🔋 Database: Supabase, PostgreSQL, Redis, MongoDB, Cassandra, AWS DynamoDB, Azure CosmosDB ☁︎ Cloud: AWS, AWS Lambda, AWS API Gateway, Azure, GCP 🛠️ DevOps: Docker, Kubernetes, Nomad, Terraform, Ansible, Github, Gitlab. I have wide experience with different Software Architecture Styles starting from Monolith to high-load Microservices and different infrastructure approaches such as On-Premise, Cloud, and Hybrid. I've implemented 200+ Microservices for the World's Top Companies.

AWS Lambda
Kubernetes
Docker
Apache Kafka
Redis
Supabase
React
Next.js
TypeScript
Spring Boot
Golang
Kotlin
SQL
JavaScript
Java
$26 hourly
Ivan M.
- 5.0/5
- (2 jobs)
I’m a highly experienced team manager. I work as a financial team manager since 1996. Since 2018 I’ve been working as HaltenTech IT manager. Haltentech is an international IT company. Our priority is high quality and the benefits that our product will bring to customers. Ambitious tasks and complex projects are always in priority. High teamwork standards give our clients a sense of comfort and confidence. Our team has substantial experience in the following spheres of development: - Web-applications - ERP-systems - E-commerce platforms The team`s attention focus is on developing impeccably designed, high-quality products. Powered by the newest technologies, we fulfill assigned tasks and breathe life into complex projects. Let`s improve your projects together!

AWS Lambda
Web Design
Web Development
GraphQL
Docker
MongoDB
PostgreSQL
React Native
Mobx
ExpressJS
NestJS
Node.js
Next.js
TypeScript
JavaScript
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