Part-Time Freelance React/Next.js Frontend Developer

AI, Generative AI - LLMs, langchain, Langgraph, PythonWe are seeking a senior AI Engineer to join the AI Operations team building next-generation developer AI-tooling for large-scale enterprise software platform.Our client is a leading American multinational IT corporation headquartered in California, recognized as one of the world's largest companies in the...

Migrate backend services from legacy Spring/CXF/JSF to Spring Boot RESTValidate and test existing functionality in the new implementationFix defects introduced during migrationImplement remaining features in the new stackContribute to performance optimization effortsSupport Keycloak integration for identity and access management(For fullstack candidates)...

B2B: 120 - 160 PLN/hUoP: 14800 - 19800 PLN grossRequirements / Your SkillsYou have at least 5 years of commercial experience — confirmed by projects — in backend technologies (Nest.js, Node) and frontend technologies (React, Next.js)You have experience working with relational databases — PostgreSQLYou care about the quality of the code you produce by...

B2B: 120 - 160 PLN/hUoP: 14800 - 19800 PLN grossRequirements / Your SkillsYou have at least 5 years of commercial experience — confirmed by projects — in backend technologies (Nest.js, Node) and frontend technologies (React, Next.js)You have experience working with relational databases — PostgreSQLYou care about the quality of the code you produce by...

A growing e-commerce company is seeking a Senior Full-Stack Developer to join their remote team. You'll take ownership of multi-faceted tasks, from backend development in Python and Rust to frontend features in React and Next.js. The role demands at least 5 years experience, with strong back-end capabilities, AWS knowledge, and fluent English. Enjoy a...

the.good.code; is seeking an experienced Senior AI-Native Software Engineer to join a distributed team building modern business applications powered by AI-assisted engineering. You'll contribute to both frontend and backend features using React, Next.js, TypeScript, and Node.js, while translating business needs into scalable technical solutions.This...

Front-end Developer (Next.js, React, TypeScript) Job brief We are looking for a Mid-level Front-end Developer with experience in Next.js, React, and TypeScript to join the team at attomy.io . At attomy.io, we have a development team working on projects for external clients in the field of headless commerce. We use technologies such as Next.js, React,...

At Oversee, we are reimagining how corporate travel is managed.Our advanced technology and machine learning eliminate outdated, manual processes that hold companies back - driving cost savings, improving efficiency, and enabling smarter decision-making.We combine travel analytics with actionable insights, giving global enterprises the tools to gain...

At Oversee, we are reimagining how corporate travel is managed.Our advanced technology and machine learning eliminate outdated, manual processes that hold companies back - driving cost savings, improving efficiency, and enabling smarter decision-making.We combine travel analytics with actionable insights, giving global enterprises the tools to gain...