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Programming Languages
JavaScript, TypeScriptWhat's included $8,000
These options are included with the project scope.
$8,000
- Delivery Time 50 days
- Number of Revisions 5
- Number of Pages 0
- Design Customization
- Responsive Design
- Source Code
18 reviews
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RS
Richard S.
Apr 16, 2025
Senior Node.js Developer Needed for SaaS Integration
Valentyn has been fantastic to work with. He quickly grasped our domain, becoming self-driven and highly organized in no time. His work was consistently delivered on schedule, and he always went the extra mile when necessary. Highly recommended!
AP
Alvin P.
Nov 27, 2024
You will get SaaS Starter Kit for building CRM/dashboard SaaS Starter Kit template SaaS
Valentyn is a true professional. He took the time to explain the scope of work. His SaaS started kit is impressive.
TK
Taras K.
Sep 30, 2024
60 minute consultation
AG
Alon G.
Dec 6, 2021
Developer needed for React/Node.js project
Valentyn did a great job. He jumped quickly into the project and started adding value immediately. His English level is excellent and he is able to communicate clearly. Unlike many other developers, he is able to understand both the big picture and the small details. His technical skills are top notch with a focus on writing clean, high-quality code. Highly recommended!
CN
Chris N.
Aug 7, 2021
Full stack, C#, .net, Javascript, SQL developer
Initially Valentyn was hired to provide us with short term cover when a staff member resigned unexpectedly. As a result of his work this contract ended up lasting over a year. His knowledge of C#, SQL and Angular is very strong and communication was always really good between us. Work was delivered on time and to a high standard. He was able to give insight and advice to help steer us on the right path when implementing new features as well as dealing with every day bug fixes. We will definitely work together again should the opportunity arise.
About Valentyn
AI SaaS apps OpenAI NodeJS TypeScript Flutter React AWS Azure GCP
100%
Job Success
Chernivtsi, Ukraine - 6:20 am local time
✅ ♛ TOP-RATED PLUS! ✅ ★ 4,500+ HOURS LOGGED ON UPWORK. ✅ ✓ HIGH-QUALITY PRODUCT DELIVERY✅ ☯ LONG-TERM RELATIONSHIP ✅ 100% JOB Satisfaction
Hey, I'm a Full-Stack Web developer and Cloud Engineer with 10 years of expertise and with Node.js Full Stack Tech Lead background! ⚡️
INDUSTRIES 🛠️: SaaS, Marketing, Real Estate, Multifamily, Analytics, Dashboards, CRM, ERP, ATSs and more.
☁️ Clouds:
- AWS (SQS, SNS, Lambda, RDS, ECS, ECR, CloudWatch, EventBridge, VPC, Route53, EC2)
- IaC (infrastructure as a code - Terraform)
🌍 I also have a development team if needed, distributed over POLAND 🇵🇱, ITALY 🇮🇹, ROMANIA 🇷🇴, CANADA 🇨🇦, and UKRAINE 🇺🇦.
Doing:
⭐️ Modern, rich, responsive web UI development
⭐️ SaaS startups Development
⭐️ AI integrations (Gemini, DeepSeek, OpenAI)
⭐️ Server-side Development
⭐️ Mobile Development
⭐️ Website Development
🔥 ONE OF THE CLIENT'S FEEDBACK 🔥
"Valentyn did a great job. He jumped quickly into the project and started adding value immediately. His English level is excellent and he is able to communicate clearly. Unlike many other developers, he is able to understand both the big picture and the small details. His technical skills are top notch with a focus on writing clean, high-quality code. Highly recommended!"
💪 Technical skillset 💪
🖥 Front End/JavaScript:
React, Angular 10+, Flux, Redux, Redux Saga, ES6, TypeScript, Webpack, Material UI, Telerik Kendo UI and more.
🌍 Back End:
NodeJS, Next Js, ExpressJs, HapiJs, MongoDb, SQL, Redis
Also .NET background - C#, .NET Core, Web API, MS SQL, Entity Framework Core, etc.
📱Mobile:
Flutter, React Native
For the last couple of years, I have been involved in the development of a wide range of successful Enterprise / Business / Analytics / Custom web apps using different tech stacks. On a daily basis, I am showing myself as a reliable, acute, calm, open-minded person who sees lots of opportunities to build perfect applications for your business.
Azure, Heroku, AWS, Google Cloud Platform (GCP), Amazon Web Services, Amazon SQS, AWS Lambda, AWS EC2, AWS RedShift, AWS Comprehend, Serverless, Docker, Docker swarm
Lambda, API Gateway, AWS Glue, Step functions, AWS Batch, Elastic Beanstalk, Auto Scaling, S3, CloudFront, CloudFormation, Route53, CodeBuild, CodeDeploy, CodePipeline, SageMaker, IoT
Azure, Heroku, AWS, Google Cloud Platform (GCP), Amazon Web Services, Amazon SQS, AWS Lambda, AWS EC2, AWS RedShift, AWS Comprehend, Serverless, Docker, Docker swarm
Keywords🔑
Front-End Development Back-End Development Website Responsive Design ReactJS Next.js TypeScript HTML5 CSS3 SCSS SASS Bootstrap Material-UI Webpack Ant Design Angular JavaScript Tailwind CSS GraphQL Redux React Bootstrap Website Redesign Web Application Ecommerce Website Browser Extension Figma Performance Optimization UX/UI Design Mobile App Development MERN Stack MongoDB Express.js React.js Node.js Nest.js React IOS Android API Design SQL PostgreSQL Amazon Web Services DynamoDB S3 EC2 Expo App Center Firebase Distribution TestFlight RESTful APIs Cloud Platforms AWS Azure Websockets Charts 3D Visualization Third-Party APIs JavaScript Developer TypeScript Developer Angular Specialist NgRx Expert RxJS Developer React Developer Redux Developer Sass Expert MaterialUI Specialist Bootstrap Developer Mantine Developer Frontend Developer Backend Developer Full Stack Developer Web Development Specialist MERN Stack Developer NodeJS Developer Express.js Developer Test Engineer Stripe Integration Specialist Handlebars Developer Agenda Scheduler Developer MySQL Database Administrator PostgreSQL Database Specialist MongoDB Expert AWS Solutions Architect AWS Redshift Developer Agile Project Manager SCRUM Master Kanban Specialist Micro-Frontends Developer Feature Driven Development Specialist Behavior Driven Development Specialist MVP Development Expert Trunk Based Development Expert VSCode Expert WebStorm Expert Jenkins CI/CD Engineer CircleCI Specialist Heroku Deployment Expert DataGrip Database Specialist Studio3T MongoDB Specialist Git Expert GitHub Repository Manager Docker Containerization Expert API Developer Web App Developer Responsive Design Expert Cross-Platform Mobile Developer Third-Party APIs Integration Specialist Performance Optimization Expert Cloud Services Developer CI/CD webpack SaaS jqGrid Spine JS JavaScript Kubernetes Google Analytics Material UI
PixiJS
Tailwind CSS
Cycle.js
XML
Bootstrap
PSD to HTML
Angular Material
npm
Three.js
Vue.js
Yeoman
Git
D3.js
Angular
BootstrapVue
Next.js
Vuetify
Steps for completing your project
After purchasing the project, send requirements so Valentyn can start the project.
Delivery time starts when Valentyn receives requirements from you.
Valentyn works on your project following the steps below.
Revisions may occur after the delivery date.
UI/UX design
Please, send us your design file and let's get started.