Senior Backend / Full Stack Engineer (Node.js)
Vertex Agility · Kraków, Poland ·
- Work mode
- Hybrid
- Seniority
- Senior
- Employment
- Contract
- Category
- Fullstack
Job Opportunity: Senior Backend / Full Stack Engineer (Node.js)
Location:
Cracow, hybrid model (6 office days per month)
Type of contract:
B2B
Role Overview
We’re looking for an experienced Backend / Full Stack Engineer to join a newly formed team building a product analytics and telemetry platform. The solution will collect and analyse behavioural and performance data from technology products and turn it into meaningful insights for internal users.
This is a new role giving engineers significant influence over the architecture, codebase and development practices from an early stage. The role is backend-oriented, with a primary focus on Node.js, REST APIs and databases, while frontend experience is an additional advantage.
Responsibilities
- Design and develop backend services and scalable REST APIs.
- Contribute to technical and architectural decisions for a newly built platform.
- Translate business and user requirements into practical technical solutions.
- Design and work with relational databases and data models.
- Build prototypes and proof-of-concepts to validate technical approaches.
- Maintain high standards of code quality, documentation and development practices.
- Participate across the software development lifecycle, from design and implementation through release and ongoing improvements.
- Cooperate directly with internal users and stakeholders to understand their needs and propose suitable solutions.
Requirements
- Strong commercial experience in backend software development.
- Hands-on experience with Node.js and Web APIs / REST APIs.
- Good knowledge of SQL and relational database design, preferably PostgreSQL.
- Experience working throughout the Software Development Life Cycle (SDLC).
- Practical experience with Git and modern software development practices.
- Strong analytical and problem-solving skills with attention to code quality.
- Good communication skills and confidence working directly with technical stakeholders and customers.
Nice to have
- Experience with Go.
- Frontend development experience with React or Angular.
What we offer:
- B2B contract.
- Private medical care, life insurance, and access to Multisport card.
- Stable, long-term projects with full-time employment.