Hire the best API Developers in Bucharest, RO

Check out API Developers in Bucharest, RO with the skills you need for your next job.
  • $40 hourly
    Full stack developer with 5 years+ experience. I an expert at building applications in the frameworks/languages listed below. As an engineer I can give advice on system design, user experience, feature optimization and best practices etc. Primary competences: - Frontend React, Next.js, SvelteKit, Javascript, Typescript, CSS/Tailwind, Remix, Api, Redux, Zustand - Backend Node.js (typescript), Orms, Golang, PHP, Websockets, payment gateways, CMS's and any api with a doc. -Database PostgreSQL, MySQL, Redis, Supabase, online CMS systems, Elasticsearch, and others. -Infrastructure Git, Docker on VPS or in Cloud, AWS, CD/CI, Devops
    Featured Skill API Development
    PostgreSQL Programming
    UX & UI
    Svelte
    Database Design
    DevOps
    JavaScript
    SQL
    TypeScript
    CSS
    React
    Database Development
    Node.js
    Web Application
    PostgreSQL
  • $45 hourly
    I have 9 years of experience in software development and 5 years in Flutter development. I have built around 20 complete apps and MVPs from scratch for various satisfied clients. I enjoy building exceptional, pixel perfect Flutter apps. I have worked with both small and large companies to create mobile and web products using Flutter. My preferred projects are the ones that have precise design specs (Figma, Adobe XD) and clear use cases, so I can jump right in and code. Check out my GitHub to view screenshots of my apps.
    Featured Skill API Development
    Mobile UI Design
    Mobile App
    Mobile App Design
    Firebase
    SQL
    Java
    Hybrid App Development
    Android
    Dart
    Mobile App Development
    Flutter
  • $50 hourly
    I have been responsible for leading projects from concept to delivery, contributing to all stages of the SDLC with a self-driven and proactive approach: • Collaborate with various stakeholders to gather and analyze requirements • Design, document, develop, test, and review Mulesoft app/API implementations • Establish and manage CI/CD pipelines using Jenkins, Octopus, and Azure DevOps • Debug and resolve technical issues while coordinating with Mulesoft support • Demonstrate implemented solutions to stakeholders, ensuring transparent communication of progress and results Key Projects: Bike Leasing Company Integration Refactor: Overhauled the client's integration, redesigning ~20 e-layer and ~20 s-layer endpoints, and restructuring 6 p-layer scheduled flows. This led to improved system efficiency, meeting the client's coding guidelines, and ensuring consistent alignment with both internal and external stakeholders. Energy Sector Core Business Process Refactor: Successfully transitioned 20+ Dell Boomi flows to Mulesoft within a span of 6 weeks. This involved acquiring Dell Boomi certification, reverse-engineering the existing code, and orchestrating an MQ-based Mule solution, thus ensuring seamless contract-related events routing per the business and technical requirements. Oil Industry Payment Terminals Integration: Integrated unmanned POS devices with multiple backends to facilitate customer loyalty program. Created a highly reusable MongoDB system API, a price calculation API, and a process API to handle the payment provider's authentication & business logic, enabling customers to redeem discounts, improving customer loyalty and engagement.
    Featured Skill API Development
    MySQL Programming
    Microsoft SQL Server Programming
    Mulesoft
    Solution Architecture
    API Documentation
    API Integration
    RESTful Architecture
    Python
    Java
  • $35 hourly
    Full stack software engineer | architect with wide experience in building web applications. I have a small software development company and I have a team of 2, so we can handle more complex projects. Skills: Google Cloud Platform, Java, Spring Boot, Databases, SQL, React.js, Node.js, HTML, JavaScript. Full project management, from requirements to deployment
    Featured Skill API Development
    MySQL Programming
    Cloud Computing
    Custom Web Design
    Software Architecture
    Web Design
    Google Cloud Platform
    Web Application
    Hibernate
    CSS
    HTML
    Spring Boot
    Java
    React
    JavaScript
  • $50 hourly
    Full Stack developer. PHP/Symfony. Javascript/Node/Vue/Nativescript. Prestashop Developer Partner. Specialized in API implementations, server/client and mobile applications. Although preferring backend tasks (developing API, modules), over the last 10 years I have developed, implemented and maintained frontends too using especially the Prestashop platform, custom PHP, NodeJS. Skills: PHP, JS, NodeJS, Symfony, frameworks like SailsJS, VueJS, databases like MySQL, PostgreSQL, MSSQL, web platforms like Prestashop, Wordpress, Joomla, Neto and custom ones. Studies: Bachelor of Business Administration (B.B.A.), Management from Economic Studies Academy Bucharest. Expertise: - API's and platform modules; - Experienced in developing complex eCommerce websites; - Linux server deployment and administration; - Build, update and maintenance of servers, websites, applications both for individual clients or agencies; - Very good communication skills. Technologies used: Ecommerce and CMS: Prestashop, Wordpress, Joomla, Neto, custom Backend languages: PHP, NodeJS PHP framework: Symfony NodeJS framework: SailsJS, Fastify, Express Frontend languages: JS, HTML 5, CSS3 Frontend framework: VueJS System: Bash scripting Databases: MySQL, Postgre, MSSQL Template engine: Smarty, Twig, EJS Server administration: Linux Versioning: Git, SVN Project management: All kanban based (Trello, Wrike, etc), Asana, Invision. Prestashop perks: - Prestashop Developer Partner. - Prestashop Ambassador for Romania since January 2015; - Prestashop forum nickname: Rhobur - Last training: Advanced Level (Update 1.7) - PrestaShop Back-end and Front- end Development training - 1.7, January 2018; Hundreds of projects completed, ranging from API backend, custom on demand module development to full themes and front end tasks. Give it a try, you might find the trusted partner you are looking for. If you look at the video, I am the last person speaking. Unless you consider my buddy there a person too :-)
    Featured Skill API Development
    API
    Bug Fix
    Platform Plugin
    MySQL
    Web Application
    API Integration
    NativeScript
    Node.js
    Vue.js
    PHP
    PrestaShop
    JavaScript
  • $150 hourly
    Some feedback from my projects that you can find below: "We enjoyed working with Cosmin - it's a pleasure to have an experienced developer understand your requirements and provide a solid solution on time. The communication with Cosmin was excellent - always responsive, always able to explain his way of thinking and understand ours. I hope we will be able to cooperate again" "Did a great job and had a very quick response time" "Did above and beyond! Very happy with the results I got from hiring Cosmin and would recommend to anyone looking for a Chatbot." "Cosmin is great to work with. Communication, quality of work and ability and willingness to innovate within the task were all qualities of note.Highly recommended!" "It was a brilliant project! I couldn't be happier with the final result!" I am a self-thought developer and have been mainly involved within marketing tech companies developing SAAS solutions. I have a back-end focus with some front-end tasks in times of need. If you need someone that can understand business needs/objectives and is able to transform them into technical tasks & features let's have a chat! Expertise: Python,Django,Flask, PosgreSQL, CSS, HTML, Javascript,
    Featured Skill API Development
    Marketing Automation
    HubSpot
    API Documentation
    Automation
    ETL Pipeline
    NestJS
    API
    Django
    API Integration
    PostgreSQL
    Flask
    Python
  • $35 hourly
    Hello there! 👋 I'm Alex, an experienced Full-Stack Developer with a passion for building innovative solutions. With over 9 years of expertise, I specialize in Flutter mobile development and possess a deep understanding of the WordPress ecosystem. Let's dive into what makes me an expert in my field! 😊 As a Full-Stack Developer, I have a proven track record of creating complete custom-developed web platforms and scalable mobile applications. 🌐📱 I'm well-versed in using the latest technologies, and my tech stack includes Flutter, HTML, CSS, JavaScript, PHP, MySQL, C#, and more. With Flutter, I can help bring your mobile application ideas to life quickly and efficiently, enabling you to reach the market with a stunning and feature-rich product. 🚀💡 WordPress is another area where I excel as a Certified Expert WordPress Developer. 🌟 I have extensive experience in WordPress theme and plugin development, API integration, and website optimization. 🎯 Whether you need a custom theme, plugin enhancements, or performance optimization, I can deliver exceptional results. With my in-depth knowledge of the WordPress ecosystem, you can rely on me to create seamless user experiences and improve website performance. Collaborating with me means you'll benefit from my proficiency in backend development as well. I have worked with popular backend technologies such as Firebase, Laravel, and C# to ensure smooth integration and efficient data management. 📊💪 Beyond my technical expertise, I'm deeply committed to fostering growth and learning within the tech community. I organize and speak at Flutter Bucharest Meetup, Bucharest WordPress Meetup, and WordCamp Europe conferences, where I share insights, best practices, and industry trends. 💬🗣️ These engagements allow me to connect with fellow professionals, inspire others, and contribute to the vibrant tech ecosystem. 🌟🌍 I bring a client-centric approach to every project, prioritizing your goals and delivering tailored solutions that exceed expectations. My communication skills and commitment to transparency ensure that you're involved in every step of the development process. Let's collaborate and turn your mobile application ideas into reality! ✨🤝 If you're looking for a skilled Full-Stack Developer with expertise in Flutter, WordPress, and a passion for delivering exceptional results, then I'm the right person for your project. Let's connect and discuss how I can help bring your vision to life! Feel free to reach out to me. 📩🌟
    Featured Skill API Development
    CSS 3
    MySQL
    PHP
    Laravel
    Theme Development
    WordPress Development
    Flutter Stack
    Plugin Development
    Firebase Realtime Database
    Flutter
    Dart
    Firebase
    Firebase Cloud Firestore
    API Integration
  • $144 hourly
    Software engineer delivering high-impact projects by leveraging experience in start-up, scale-up, and enterprise environments. Proven ability to drive technical direction, improve team performance, and build innovative products.
    Featured Skill API Development
    Automation
    TypeScript
    Python
    Startup Consulting
    Product Development
    Artificial Intelligence
    Back-End Development
    Strategic Audit
    AI App Development
    DevOps Engineering
    Full-Stack Development
  • $25 hourly
    I help businesses automate processes, build efficient APIs, and optimize backend systems. With a background in Distributed Systems and experience in Python, FastAPI, and DevOps, I focus on delivering high-quality, scalable solutions. 🔹 What I Do Best: ✔ API Development & Integration (REST, FastAPI) ✔ Web Scraping & Data Extraction ✔ Process Automation & Scripting ✔ Backend Optimization & Debugging ✔ CI/CD & Docker Deployment I enjoy solving complex problems efficiently, ensuring clean, maintainable code, and delivering results that make an impact. Let’s discuss how I can help with your project!
    Featured Skill API Development
    REST API
    Back-End Development
    Data Extraction
    Docker
    Database Management
    CI/CD
    Code Refactoring
    Code Review
    Software Debugging
    Scripting
    Automation
    Web Scraping
    FastAPI
    Python
  • $10 hourly
    🚀 Full-Stack Developer | Node.js & React.js Developer I'm an experienced Node.js and React.js developer, passionate about building scalable web applications. My skill set includes both backend and frontend technologies, ensuring seamless performance and user-friendly experiences. 💻 Technologies I work with: ✔ Backend: Node.js, PHP, Laravel, RabbitMQ, Entity Framework ✔ Frontend: React.js, HTML, CSS, JavaScript ✔ Databases: MySQL, MongoDB ✔ Tools & Workflow: Git, Jira Let's collaborate and bring your project to life! 🚀
    Featured Skill API Development
    Bug Fix
    API
    Node.js
    MongoDB
    MySQL
    MySQL Programming
    Database Management
    React
    Git
    JavaScript
    HTML
    Entity Framework
  • $15 hourly
    I am a dedicated and enthusiastic web developer. I am passionate about creating engaging and user-friendly websites and committed to staying up-to-date with the latest web development trends and technologies. I am proficient in a variety of programming languages and frameworks, including: ● HTML, CSS, Bootstrap and Foundation ●Javascript, React and AngularJS ● Project Management with a strong ability to balance competing priorities and meeting deadlines I have a keen eye for design and a strong attention to detail, and always looking for ways to improve the user experience and functionality of the websites I create. In my free time, I enjoy experimenting with new technologies and frameworks. I am committed to continuous learning and improvement, and always looking for new challenges and opportunities to grow as a developer.
    Featured Skill API Development
    ExpressJS
    Node.js
    Web3
    CSS Framework
    Version Control
    Project Management
    React
    Responsive Design
    HTML5
    Bootstrap
    SQL
    Web Application
    JavaScript
  • $20 hourly
    Summary Software engineer with 4 years of experience, specialized in full-stack development, covering both front-end and back-end, with expertise in database management. I have contributed to complex projects, emphasizing code quality. With a strong background in C#, Angular, SQL Server, Xamarin, I am seeking opportunities that allow me to apply my knowledge and advance professionally.
    Featured Skill API Development
    SQL
    Angular
    Database
    C#
    SQL Programming
    API
    Database Management System
  • $10 hourly
    I am Very conscientious, hard-working and reliable. My previous employers have described me as driven, motivated and having good work ethic. I specialize in PHP backend development as well as advanced JavaScript front end development work. I am above senior level in the following frameworks: - Magento 2 (and 1) - Prestashop - Wordpress (WooCommerce as well) - Laravel API and applications - Vue 3 - React & React Native Tech Stack: PHP, Laravel, Python, MySQL, PostgreSQL, MongoDB / NoSQL, Vanilla JavaScript, React, VUE, Frontend Web (HTML5 / CSS3), Nodejs/express, Django/python, Apache & Nginx Administration, WordPress, SEO Experience with Google Analytics, Google PPC, Kubernetes, Docker. If you want a high quality web application, e-commerce platform or need an API, I am your guy. I am originally from the US so my English is impeccable and I believe communication is the key to any relationship (especially business collaborations) I have recently doing many AI implementations for customers so if this is something you are looking for, I am your guy! Let's see what we can build together!!
    Featured Skill API Development
    Git
    AI Implementation
    Debian
    Linux
    Tailwind CSS
    Vue.js
    React
    Laravel
    PrestaShop
    Magento 2
    Database Management
    Python
    MySQL
    PHP
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