.
Senior Fullstack Developer (React/Next.js/Node.js) @ STX Next
  • Poznań
Senior Fullstack Developer (React/Next.js/Node.js) @ STX Next
Poznań, Poznań, Greater Poland Voivodeship, Polska
STX Next
5. 2. 2026
Informacje o stanowisku

Hi there! 

We are STX Next, a global IT consulting company specializing in customer-focused software services. Join a group of 500 professionals dedicated to helping customers build outstanding products. Leveraging the latest advancements in the field, and a passion for innovation, were shaping the future of technology one project at a time.

  • Type of contract

A B2B contract for your flexibility and competitive compensation package

  • Location

A remote work model encouraging work-life balance.

    Job description

    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

    Must-haves:

    • 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.

    Nice-to-haves:

    • Cloud & DevOps: Experience with AWS, Docker, and Kubernetes.
    • Data Diversity: Familiarity with NoSQL (MongoDB, Redis) or GraphQL.
    • Advanced Architecture: Knowledge of microservices, RabbitMQ/Kafka, or Protobuf.
    • Practical experience with AI-powered development tools (e.g., Cursor, GitHub Copilot) to enhance coding efficiency.

    Benefits

    • Work-life Balance

    We are open to discussing individual needs. Set up working hours and 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.


    Must-haves:

    • 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.


    Nice-to-haves:

    • Cloud & DevOps: Experience with AWS, Docker, and Kubernetes.
    • Data Diversity: Familiarity with NoSQL (MongoDB, Redis) or GraphQL.
    • Advanced Architecture: Knowledge of microservices, RabbitMQ/Kafka, or Protobuf.
    • Practical experience with AI-powered development tools (e.g., Cursor, GitHub Copilot) to enhance coding efficiency.

    Hi there! 

    We are STX Next, a global IT consulting company specializing in customer-focused software services. Join a group of 500 professionals dedicated to helping customers build outstanding products. Leveraging the latest advancements in the field, and a passion for innovation, were shaping the future of technology one project at a time.

    • Type of contract

    A B2B contract for your flexibility and competitive compensation package

    • Location

    A remote work model encouraging work-life balance.

      Job description

      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

      Must-haves:

      • 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.

      Nice-to-haves:

      • Cloud & DevOps: Experience with AWS, Docker, and Kubernetes.
      • Data Diversity: Familiarity with NoSQL (MongoDB, Redis) or GraphQL.
      • Advanced Architecture: Knowledge of microservices, RabbitMQ/Kafka, or Protobuf.
      • Practical experience with AI-powered development tools (e.g., Cursor, GitHub Copilot) to enhance coding efficiency.

      Benefits

      • Work-life Balance

      We are open to discussing individual needs. Set up working hours and 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.

      ,[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: JavaScript, React, Node.js, Next.js, PostgreSQL, MySQL, Cypress, Kubernetes, NoSQL, RabbitMQ Additionally: International projects, Sport subscription, Private healthcare, Flat structure, No dress code, Free coffee, Free beverages, Free parking, In-house trainings.

    • Praca Poznań
    • Poznań - Oferty pracy w okolicznych lokalizacjach


      118 577
      17 669