Senior Full-Stack Developer — Remote, APIs & UI

AIDA Recruitment; United States; Remote; USD 69,000 - 76,000; Full time

Job summary

AIDA Recruitment seeks a Senior Fullstack Developer to join the client team and contribute to continued growth. You will work on frontend (React/Next.js) and backend (Node.js) with an emphasis on scalable services and secure APIs.

Responsibilities include building UI components, API design, authentication, and collaboration with design teams. Fully remote in Poland, hybrid/remote options in Lithuania may apply.

Qualifications

• 5+ years of experience in fullstack web development.
• Strong proficiency in JavaScript/TypeScript across frontend and backend.
• Experience with React or Next.js and frontend tooling (Webpack, Vite).
• Strong backend skills in Node.js and frameworks (Express, Nest.js).
• Solid database design and query optimization (PostgreSQL, MySQL, MongoDB).
• Experience designing APIs, authentication flows, and JWT/OAuth2.
• Experience with Git, CI/CD, and automated testing.

Responsibilities

• Build modern, responsive UI components using React/Next.js.
• Design RESTful or GraphQL APIs with Node.js/Express/Nest.js.
• Develop scalable microservices and data access patterns.
• Collaborate with designers to translate UI/UX to interfaces.
• Implement authentication, authorization and RBAC.

Skills

JavaScript/TypeScript

React/Next.js

Node.js/Express/Nest.js

API design

JWT/OAuth2

Git/CI-CD/Testing

English communication

Cloud/Docker/Kubernetes

System architecture

Tools

Docker

Kubernetes

Jira

Job description

AIDA Recruitment seeks a Senior Fullstack Developer to join the client team and contribute to continued growth. You will work on frontend (React/Next.js) and backend (Node.js) with an emphasis on scalable services and secure APIs.

Responsibilities include building UI components, API design, authentication, and collaboration with design teams. Fully remote in Poland, hybrid/remote options in Lithuania may apply.