Senior Fullstack Developer
Posted Updated
Established in 1997, Softeq was built from the ground up to specialize in new product development and R&D, tackling the most difficult problems in the tech sphere. Now we've expanded to offer early-stage innovation and ideation plus digital transformation business consulting. Our superpower is to deliver all of this under one roof on a global scale. So let's get started and build a better future together!
We’re looking for a Senior Fullstack Developer (React, Node.js) to join our team and contribute to its continued growth.
We are expecting to grow our team and begin new projects in the next 1-2 months. As such, we’re starting to accept resumes and process chosen candidates. Feel free to apply!
Location and type of contract:
We’re looking for a Senior Fullstack Developer (React, Node.js) to join our team and contribute to its continued growth.
We are expecting to grow our team and begin new projects in the next 1-2 months. As such, we’re starting to accept resumes and process chosen candidates. Feel free to apply!
Location and type of contract:
- Warsaw (Poland) - fully remote work (B2B contract);
- Vilnius (Lithuania) - hybrid/remote (B2B or employment contract).
Responsibilities:
Frontend (React):
Frontend (React):
- Build modern, responsive, and accessible UI components using React / Next.js;
- Implement clean, modular front-end architecture using hooks and component; libraries;
- Optimize rendering performance and frontend UX across devices;
- Collaborate with designers to turn UI/UX into functional interfaces.
Backend (Node.js):
- Design and implement RESTful or GraphQL APIs using Node.js / Express / Nest.js;
- Build scalable microservices with proper separation of concerns;
- Work with relational and NoSQL databases (PostgreSQL, MongoDB, etc.);
- Implement authentication, authorization, and role-based access control;
- Integrate with third-party APIs and services (payments, notifications, etc.);
- Ensure robust error handling, logging, and testing.
Requirements:
- 5+ years of experience in fullstack web development;
- Deep knowledge of JavaScript/TypeScript across both frontend and backend;
- Proficiency with React (or Next.js) and related frontend tooling (Webpack, Vite, etc.);
- Strong backend skills in Node.js and one or more frameworks (Express, Nest.js, etc.);
- Solid understanding of database design and query optimization (PostgreSQL, MySQL, MongoDB);
- Experience with API design, authentication flows, and JWT/OAuth2;
- Experience with Git, CI/CD, and automated testing;
- Strong architectural and problem-solving skills;
- Ability to communicate clearly, collaborate cross-functionally, and mentor others;
- Very good English language written and verbal communication skills.
Nice to have:
- Experience with Cloud platforms (AWS, GCP, Azure);
- Experience with Docker, containerized deployments, or Kubernetes;
- Familiarity with serverless architecture (AWS Lambda, Firebase Functions);
- Exposure to microfrontend or monorepo setups (Turborepo, Nx);
- Familiarity with Agile processes, Jira, Scrum/Kanban boards.
Softeq communicates only from @ email addresses. We never request payments or fees for any reason during hiring — including trainings or courses to be completed, equipment, onboarding, or background checks — and we will not ask for banking information, cryptocurrency or gift cards. If you receive a message from any other domain or requesting payment, do not respond and report it to abuse@softeq.com