Senior Fullstack Developer

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:

• Warsaw (Poland) - fully remote work (B2B contract);
• Vilnius (Lithuania) - hybrid/remote (B2B or employment contract).

Responsibilities:

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 @softeq.com 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 [email protected]