Candidates 770
$2500
/ mo
GROSS
≈ $30000 /
year gross
React.js
·
10 years of experience
·
C1 - Advanced
·
Published
today
Spain
·
Office or remote
Experienced UI/UX, frontend developer specializing in crafting intuitive and visually appealing interfaces using React, Angular, and custom frameworks.
I worked in insurance, house development and energy sectors
I worked in insurance, house development and energy sectors
Highlights
My technical expertise includes UI/UX design, wireframing, and front-end development.Tech stack: React, Redux, Next, JavaScript (ES6+), TypeScript, HTML5, SQLite, CSS3, CSS Modules, Styled Components, Tailwind, SCSS, Git
Looking for
I am keen on contributing to projects that involve the React framework, Vanilla JS or Typescript based ones.
Skills
HTML5
9y
CSS
9y
React.js
2y
Next.js
2y
Angular
4y
JavaScript
9y
TypeScript
3y
Git
8y
SASS
7y
Jest
1y
+ 10 more
Bootstrap
3y
Material UI
3y
OOP
5y
React Hooks
2y
Redux
0.5y
Node.js
0.5y
Figma
3y
REST API
3y
SASS / SCSS
7y
Tailwind CSS
1y
Domains
Domain experience: E-commerce / Marketplace, Energy / Utilities, Mobile, Advertising / Marketing, SaaS, Healthcare / MedTech, Education
$3400
/ mo
≈ $40800 /
year
JavaScript, Lead
·
More than 10 years of experience
·
C1 - Advanced
·
Published
yesterday
Spain
·
Office or remote
Languages: Espańol - A2, English - Intermediate+, Ukrainian - Native, Russian - Native
Residence: Spain, Valencia
Management: - logically, realistically optimistically thinking, - Effective communication - Documentation development
Residence: Spain, Valencia
Management: - logically, realistically optimistically thinking, - Effective communication - Documentation development
Highlights
Crossplatform development on major positions - 14 years.I will complete a project of any complexity, business logic, asynchronicity and interactivity/animation
Web3, js & react - 7+ year
4 years animation
ac3.0/AIR(flash) - 8 years
Developed pubnub flash sdk(cloud sistem with 70th sdk, 1000+ developers use it)
Looking for
Маю досвід для курування команди, розробки з нуля, та рефакторинг легасі проектівб, успішно використовую АІ. Шукаю матч по скілам та обовьязкам, для взаємного успіху. Не шукаю компаніі "сімейного типу", та розмиті формулювання. Створю або врятую проект. З повагою
Skills
JavaScript
10y
TypeScript
4y
React.js
8y
SPI
3.5y
Agile / Scrum
10+y
OOP
10y
HTML5
10y
Redux
8y
Animation
10+y
REST API
10+y
+ 29 more
CSS
8y
Tailwind CSS
3.5y
Tailwind
3y
Phaser.js
2y
HTML
10+y
Pixi.js
6y
Web3
3y
Git
10+y
SOLID
10+y
Next.js
1.5y
Storybook
2.5y
Browser APIs
7y
Front end
10+y
Cross-browser and adaptive layout
8y
Core Web Vitals
4y
Lazy loading
5y
Code splitting
Web Storage
6y
Performance Optimization and Scaling
Service Workers
Web Application Security
7y
Figma
4.5y
Bootstrap
8y
Performance Metrics
9y
WebGL
5y
Ethers.js
1y
Software Development
Project Management
HTML/CSS
7y
Domains
Domain experience: Blockchain / Crypto, Fintech, Gambling, Gamedev, SaaS, Entertainment / Streaming, E-commerce / Marketplace
$2500
/ mo
≈ $30000 /
year
.NET
·
3 years of experience
·
B2 - Upper Intermediate
·
Published
yesterday
Spain
·
Only remote
Over 3 years of professional experience in backend development with .NET/C#. Strong expertise in building scalable microservices, API integrations, and cloud-based automation solutions. Worked with international clients, delivering high-priority projects in industries such as finance, healthcare, and content management.
Highlights
1. Delivered scalable microservices and automation solutions that improved system performance and reduced maintenance costs.2. Integrated AI into team workflows, increasing productivity by ~30%.
3. Optimized database queries and implemented caching (Redis), which reduced API response times significantly.
4. Designed and extended internal libraries, improving code reuse and accelerating feature delivery.
5. Created comprehensive onboarding documentation and mentored newcomers, shortening ramp-up time for new hires.
Looking for
Looking for a mid-level .NET/C# backend role. Interested in microservices architecture, API development, and cloud solutions. Open to working with new technologies and contributing to scalable, high-impact projects.
Skills
.NET
3y
ASP.NET
3y
SQL
2y
PostgreSQL
2y
Angular
2y
ASP.NET Core
3y
C#
3y
Entity Framework
3y
Git
3y
HTML
2y
+ 12 more
CSS
2y
TypeScript
MS SQL Server
Redis
SOLID
OOP
Design Patterns
Kubernetes
2y
Docker
2.5y
RabbitMQ
2y
Claude Code
1y
Codex
1y
$4000
/ mo
GROSS
≈ $48000 /
year gross
JavaScript
·
More than 10 years of experience
·
B2 - Upper Intermediate
·
Published
yesterday
Spain
·
Office or remote
Senior Frontend Developer with experience building and optimizing large-scale eCommerce platforms. Led migrations from legacy systems to modern stacks (Vue, Nuxt, Vite), developed reusable components with TypeScript, and improved performance for high-traffic applications.
Skilled in JavaScript/TypeScript, React, Next.js, Vue, and modern build tools. Currently responsible for frontend architecture, code quality, and collaboration within cross-functional teams.
Looking to further grow in system design, scalable frontend architecture, and backend/cloud technologies.The most exciting projects are banking and eCommerce websites.
Highlights
Led frontend development for large-scale eCommerce platforms serving high-traffic international brands (Puma, Adidas, New Balance).
Successfully migrated legacy projects to modern stacks (Vue/Nuxt, Vite), improving performance and reducing build complexity.
Identified and fixed critical memory leaks in a Nuxt application, significantly improving stability and performance.
Built reusable UI component libraries, accelerating development and ensuring consistency across projects.
Optimized frontend performance through caching strategies and code refactoring.
Delivered complex features including multi-step forms, dashboards, and data visualizations.
Modernized build pipelines (Webpack → Vite), reducing development time and improving developer experience.
Maintained long-term client relationships and delivered projects end-to-end in freelance work.
Looking for
Looking for a Senior Frontend/Full-Stack role where I can work primarily with the React and Node.js ecosystem. I value projects with modern architecture, high performance requirements, and meaningful technical challenges.
Interested in a collaborative team environment with clear processes, where I can contribute to architectural decisions and continue growing in system design and scalable application development.
Skills
JavaScript
10+y
HTML/CSS
10+y
Vue 2
5y
Nuxt
5y
React.js
3y
TypeScript
3y
Git
6y
Docker
2y
Node.js
2y
Webpack
4y
+ 2 more
Vite
3.5y
RESTful API
5y
Domains
Domain experience: E-commerce / Marketplace, Fintech, Sports and Fitness
$2500
/ mo
≈ $30000 /
year
WordPress, JavaScript
·
8 years of experience
·
B2 - Upper Intermediate
·
Published
yesterday
Spain
·
Only remote
Full Stack Developer with 8+ years of experience building custom web applications, WordPress platforms, and scalable business solutions for businesses and agencies.
Strong background in WordPress, PHP, JavaScript, APIs, e-commerce systems, and third-party integrations. Currently working with React on commercial projects and modern frontend workflows.
Experienced in building custom functionality, scalable architectures, business automation tools, and maintainable backend solutions with a focus on performance, stability, and real business needs.
Strong background in WordPress, PHP, JavaScript, APIs, e-commerce systems, and third-party integrations. Currently working with React on commercial projects and modern frontend workflows.
Experienced in building custom functionality, scalable architectures, business automation tools, and maintainable backend solutions with a focus on performance, stability, and real business needs.
Highlights
• 8+ years of commercial experience in full stack web development.• Delivered 400+ custom websites, platforms, and business solutions for service, e-commerce, and agency clients.
• Built scalable WordPress systems, custom integrations, dashboards, and e-commerce functionality with complex business logic.
• Improved performance, maintainability, and stability of high-traffic and legacy projects.
• Collaborated with international clients and remote development teams across multiple industries.
Looking for
• Long-term cooperation and technically strong projects• Clear communication, realistic expectations, and healthy workflows
• Product-oriented teams focused on maintainable and scalable solutions
Skills
WordPress
PHP
JavaScript
React.js
Laravel
API Integration
MySQL
Git
CI/CD
Performance Optimisation
+ 2 more
WooCommerce
Claude Code
Domains
Domain experience: E-commerce / Marketplace, SaaS, Advertising / Marketing, Education
$3200
/ mo
GROSS
≈ $38400 /
year gross
.NET
·
3.5 years of experience
·
C1 - Advanced
·
Published
yesterday
Spain
·
Only remote
Content Management and Distribution System
System for Content and Advertisement Integration
Manufacturing Production System
Fitness/Health AI Recommendation App
AI Messaging Automation System
Workflow Automation Platform
Tech stack: C#/.NET, ASP.NET Core, Entity Framework Core, SQL Server, PostgreSQL, Docker, Azure Services, TrakSYS
System for Content and Advertisement Integration
Manufacturing Production System
Fitness/Health AI Recommendation App
AI Messaging Automation System
Workflow Automation Platform
Tech stack: C#/.NET, ASP.NET Core, Entity Framework Core, SQL Server, PostgreSQL, Docker, Azure Services, TrakSYS
Highlights
- Designed and developed MVC/Web API applications- Developed robust reporting systems to track content performance and advertisement metrics.
- Configured and integrated applications with Azure Services.
- Developed and maintained reports using MS Report Builder and TrakSYS.
- Developed intelligent messaging bots integrating generative AI models to enable real-time conversational automation.
- Designed and developed a distributed workflow automation platform integrating a modern web application, orchestration layer, and Python-based execution runtime.
$8000
/ mo
≈ $96000 /
year
JavaScript, React.js
·
8 years of experience
·
B2 - Upper Intermediate
·
Published
yesterday
Spain
·
Office or remote
Senior Full-Stack Engineer and Tech Lead, 8+ years in React and Node.js. Grew from FE developer at SoftServe and EPAM to sole architect at JMind and team lead of 6–8 engineers at Hypercharge. Built enterprise BPM platforms, real-time monitoring dashboards, and edtech SaaS. Full-stack scope: React / Next.js / TypeScript on the front, Node.js / AWS Lambda / DynamoDB on the back.
Highlights
Moved team from bi-weekly to per-ticket releases via CI/CD and automated quality gates. Delivered full legacy modernisation without a development freeze — strangler pattern, RTK Query, Formik, date-fns. Built testing infrastructure from zero at JMind. Integrated OpenAI / Anthropic into product; rolled out AI-assisted dev workflow (Copilot, Cursor, Claude Code) across the team. Expanded scope into backend — shipped serverless endpoints independently, reducing cross-team dependencies.
Looking for
Senior Full-Stack or AI-focused engineering role (Node.js + React + TypeScript). Open to Tech Lead / Feature Lead scope. Priority — AI product engineering: LLM pipelines, agentic workflows, RAG, MCP. Teams that ship through AI-assisted, spec-driven development rather than traditional hand-coding.AskSonnet 4.6
Skills
React.js
8y
Next.js
3y
TypeScript
8y
Redux
6y
React Query
3y
React Hooks
8y
JavaScript
8y
Node.js
4y
Express.js
2y
GraphQL
2y
+ 6 more
REST API
8y
WebSockets
8y
AWS Lambda
3y
React Testing Library
4y
OpenAI API
0.5y
Cursor / Claude Code / OpenAI
2y
Domains
Domain experience: Blockchain / Crypto, SaaS, Healthcare / MedTech
$4000
/ mo
≈ $48000 /
year
Python
·
3 years of experience
·
B2 - Upper Intermediate
·
Published
yesterday
Spain
·
Only remote
I have over three years of experience in programming, with a primary focus on backend development. My expertise includes building and optimizing backend solutions, developing scrapers and parsers, and collaborating with cross-functional teams.
At 8allocate (Apr 2024 - Present):
Developed APIs to streamline the repair process in completed buildings.
Implemented an AI-powered bot for processing PDF files and generating work orders.
Worked with Hasura (GraphQL) to enhance form builder functionality.
Built AI-powered backend solutions for banking operations, enabling managers to efficiently search storage data.
Developed a business risk assessment backend using LLM models (GPT-4o, Ollama 3.3, DeepSeek, all-MiniLM) and Qdrant as a vector database.
Focused on performance optimization and refactoring.
At YOLO Software (Apr 2023 - Apr 2024):
Worked on a backend system for handling video content.
Designed and implemented architectural solutions.
Developed and optimized databases, deployed Docker containers, and worked with Google Cloud.
Collaborated with clients, frontend developers, and DevOps teams.
Freelance (Oct 2022 - Mar 2023):
Developed web scrapers, parsers, and backend solutions.
Communicated directly with clients, designers, and translators to refine project requirements.
At 8allocate (Apr 2024 - Present):
Developed APIs to streamline the repair process in completed buildings.
Implemented an AI-powered bot for processing PDF files and generating work orders.
Worked with Hasura (GraphQL) to enhance form builder functionality.
Built AI-powered backend solutions for banking operations, enabling managers to efficiently search storage data.
Developed a business risk assessment backend using LLM models (GPT-4o, Ollama 3.3, DeepSeek, all-MiniLM) and Qdrant as a vector database.
Focused on performance optimization and refactoring.
At YOLO Software (Apr 2023 - Apr 2024):
Worked on a backend system for handling video content.
Designed and implemented architectural solutions.
Developed and optimized databases, deployed Docker containers, and worked with Google Cloud.
Collaborated with clients, frontend developers, and DevOps teams.
Freelance (Oct 2022 - Mar 2023):
Developed web scrapers, parsers, and backend solutions.
Communicated directly with clients, designers, and translators to refine project requirements.
Highlights
Successfully developed and deployed AI-powered solutions for business risk assessment and banking operations.Built a high-performance backend for managing video content, integrating scalable architecture.
Improved efficiency by implementing AI-driven automation in PDF processing and work order generation.
Enhanced form-building capabilities using Hasura (GraphQL).
Designed and optimized complex database structures, ensuring high scalability and performance.
Looking for
I am looking for an opportunity to work in a highly skilled and motivated team where I can continue to grow as a backend developer, particularly in AI-powered solutions and high-load systems. I am interested in projects that involve challenging problem-solving, optimization, and the integration of AI technologies.What I want:
A collaborative and supportive environment.
Opportunities to work with AI, LLMs, and modern backend technologies.
Projects that emphasize scalability, optimization, and innovation.
What I don’t want:
Purely routine tasks without growth opportunities.
Lack of technical challenges.
Poor communication and unclear project goals.
Skills
Python
Git
Docker
PostgreSQL
REST API
SQL початковий рівень
FastAPI
OOP
Redis
Celery
+ 12 more
SQLAlchemy
MySQL
MongoDB
Json
asyncio
RabbitMQ
PyTest
SQLite
Claude Code
1y
Cursor
1.5y
Windsurf
1y
Aider
0.5y
$4800
/ mo
≈ $57600 /
year
JavaScript
·
8 years of experience
·
B2 - Upper Intermediate
·
Published
yesterday
Spain
·
Only remote
Accomplished Frontend Web Developer with 8+ years of progressive experience building scalable web applications, blockchain solutions, and Web3 platforms. Expertise in modern JavaScript frameworks (React, Vue, Angular, Next.js) and backend technologies (Node.js, Laravel). Proven track record of delivering high-performance applications for SaaS platforms, real estate portals, fitness services, and decentralized finance (DeFi) applications. Strong technical leadership skills with experience mentoring development teams. Specialized in frontend optimization, responsive design, complex state management, and blockchain technologies. Committed to clean code practices and continuous professional development.
Key responsibilities:
- UI/UX development for web (main site and admin dashboard);
- Create reusable and modular UI components to ensure consistency and efficiency in development;
- Create email templates;
- Performance optimization;
- Cross-browser compatibility;
- UI redesign and improve functionality;
- Adding a Stripe payments;
- Work with the product owner and UI/UX designer to shape the product;
- Estimation of tasks;
- Code testing and reviewing;
- Code deployment;
Project Examples:
- nativemsg.com - UI and business logic for chatbot creating functionality;
- raceid.com - UI redesign and improve functionality for race participants and organizers. Working with Google maps. Adding a Stripe payment, the output of statistics of orders and payments;
- dimdim.ua - creating an admin panel for landlords. UI improvements for the main site. Working with Mapbox maps. Overlaying building plans on a map with the ability to edit the scale, position and rotation of the original object (building plan)
Key responsibilities:
- UI/UX development for web (main site and admin dashboard);
- Create reusable and modular UI components to ensure consistency and efficiency in development;
- Create email templates;
- Performance optimization;
- Cross-browser compatibility;
- UI redesign and improve functionality;
- Adding a Stripe payments;
- Work with the product owner and UI/UX designer to shape the product;
- Estimation of tasks;
- Code testing and reviewing;
- Code deployment;
Project Examples:
- nativemsg.com - UI and business logic for chatbot creating functionality;
- raceid.com - UI redesign and improve functionality for race participants and organizers. Working with Google maps. Adding a Stripe payment, the output of statistics of orders and payments;
- dimdim.ua - creating an admin panel for landlords. UI improvements for the main site. Working with Mapbox maps. Overlaying building plans on a map with the ability to edit the scale, position and rotation of the original object (building plan)
Skills
JavaScript
TypeScript
React.js
REST API
Redux
CSS
JavaScript (ES6+)
MobX
Node.js
HTML
+ 9 more
Git
Material UI
Socket.io
Stripe
Mapbox
Google Maps
Front end
Blockchain and Cryptocurrency
Claude Code
$4000
/ mo
≈ $48000 /
year
React Native, Node.js
·
7 years of experience
·
C1 - Advanced
·
Published
yesterday
Spain
·
Only remote
I am a highly experienced developer with a solid background in JavaScript ES6+, TypeScript, React Native ecosystem and the Web3 sector. With 7 years of expertise in React, React Native, and Node.js, including extensive knowledge of Redux Thunk, Toolkit, and Saga, I am proficient in building scalable and performant web and mobile applications. Additionally, I have hands-on experience with Redux, Zustand, Apollo GraphQL, REST API integration, and testing using Jest and Detox for 6 years, making me a versatile and well-rounded developer.
Skills
React.js
7y
TypeScript
7y
JavaScript
7y
React Native
7y
Redux
6y
MobX
2y
Docker
3y
HTML
6y
JavaScript (ES6+)
6y
CSS
6y
+ 6 more
Webpack
6y
SASS / SCSS
6y
Next.js
4y
Node.js
4y
Ethers.js
4y
Blockchain and Cryptocurrency
4y