.
Senior Fullstack Developer (React / Next.js/ Node.js)
  • Poznań
Senior Fullstack Developer (React / Next.js/ Node.js)
Poznań, Poznań, Greater Poland Voivodeship, Polska
STX Next S.A.
12. 2. 2026
Informacje o stanowisku

technologies-expected :


  • React.js
  • Node.js
  • Next.js
  • TypeScript
  • PostgreSQL
  • MySQL
  • Jest
  • React Testing Library
  • Cypress
  • Vitest
  • Playwright

technologies-optional :


  • AWS
  • Docker
  • Kubernetes
  • MongoDB
  • Redis
  • GraphQL
  • RabbitMQ
  • Kafka
  • Protobuf

about-project :


  • Are you a seasoned developer who thrives at the intersection of robust backend logic and seamless frontend experiences? Do you enjoy not just writing code, but also advising clients and shaping technical roadmaps?
  • At STX Next, we are looking for an experienced full-stack developer who will act as a bridge between technology and business. You will join our growing JavaScript Department - a community of experts dedicated to building modern, scalable applications using the full power of the JS ecosystem.

responsibilities :


  • Architecting Solutions: Designing and maintaining high-performance applications using Node.js, Next.js, and React.
  • Full-stack Ownership: Building clean, maintainable UI code while ensuring the backend services are scalable and secure.
  • Consulting & Communication: Translating complex technical requirements into business value and collaborating directly with stakeholders.
  • Quality Mentorship: Participating in code reviews, establishing shared standards, and raising the bar for the entire team.
  • Innovation: Leveraging AI-powered tools and the latest frameworks to optimise delivery and Developer Experience (DX).

requirements-expected :


  • Senior-level Expertise: Strong production experience with React and the modern Node.js ecosystem.
  • Framework Mastery: Deep understanding of Next.js (App Router, SSR, SSG) and TypeScript.
  • Backend Proficiency: Solid experience with RESTful APIs, relational databases (PostgreSQL, MySQL), and core Node.js fundamentals.
  • The "Consultant" Mindset: Excellent English communication skills (min B2/C1) with the ability to articulate technical decisions to non-technical stakeholders.
  • Quality First: Hands-on experience with testing frameworks (e.g., Jest, React Testing Library, Cypress, Vitest, Playwright).
  • Proficiency with Git (GitHub/GitLab) and CI/CD workflows.

offered :


  • Work-life balance: We are open to discussing individual needs. Set up working hours and limited remote work scheduled with your team and manager, in a way that works for both sides
  • Reimbursed private medical care (Medicover) and Multisport: We care about the health and well-being of our colleagues. Choose a sports card and dedicated medical care for yourself and your relatives
  • Leader’s support: Work with true enthusiasts and professionals who will support you along the way. You can count on leaders and experts who are willing to share their knowledge so that you too can join their ranks someday
  • Technology focus: Python and JavaScript are not our only strengths, we are also very good at React Native, IoT, Machine Learning, .Net, DevOps and Blockchain
  • Growth review: Junior, Regular or Senior? Every year we have a chance to discuss acquired skills and prepare a development plan for upcoming months
  • Events: Attend exciting internal webinars, celebrate special days with us, and join us at conferences and meetups as a listener or speaker!
  • Workation: Team trips where you have a chance as a team not only to work together, but also integrate f2f

benefits :


  • sharing the costs of sports activities
  • private medical care
  • life insurance
  • remote work opportunities
  • flexible working time
  • integration events
  • computer available for private use
  • corporate library
  • no dress code
  • video games at work
  • coffee / tea
  • drinks
  • parking space for employees
  • leisure zone

  • Praca Poznań
  • Poznań - Oferty pracy w okolicznych lokalizacjach


    122 113
    18 711