About the Position

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GLIWICE | WARSZAWA | WROCŁAW | KRAKÓW | REMOTE

Join Boldare and build AI-powered products with a team that values autonomy, experimentation, and continuous learning.

Responsibilities

Develop and maintain scalable backend services using Node.js
Design and implement REST APIs with authentication methods
Write clean, maintainable code using TypeScript
Collaborate with frontend and other backend teams to deliver high-quality software
Participate in code reviews and knowledge-sharing sessions
Ensure the reliability and performance of applications through unit and integration testing

Technically
- 2+ years of experience in developing JS applications using Node.js
- Advanced knowledge of one of Node.js frameworks like eg.: Nest.js, Koa.js, Fastify or with cloud/edge routing patterns
- Practice in TypeScript
- Knowledge of SQL (preferably Postgres) or NoSQL database (preferably MongoDB)
- Strong knowledge of REST API design with authentication methods
- Experience with unit and integration testing using tools such as Jest, Vitest, Supertest
- Experience with Docker and Docker Compose
- Experience in Continuous Integration (i.e. GitHub Actions, GitLab CI/CD)
- Proficient understanding of Git
- Experience with one of existing cloud providers (preferably AWS)
- Knowledge of Agile development methodologies (Scrum preferably)
- Command of English and Polish on B2+ level

Good understanding of design patterns important to API-driven apps
Basic experience with popular front-end frameworks, i.e. React, Vue
Knowledge of popular REST API alternatives, i.e. GraphQL, tRPC
Experience with serverless runtimes such as AWS Lambda, Netlify Functions etc. and related services
Experience with WebSockets and/or message queues like RabbitMQ, Kafka, NatsStreaming, etc.
Knowledge of Backend-as-a-Service, i.e. Firebase, Supabase
Experience with other programming paradigms outside of OOP
Experience with microservice architecture
Experience with direct cooperation with external client

Salary & Benefits
- Transparent compensation, meaningful benefits, and the flexibility to work in a way that helps you do your best work.
- Medior: 11200 - 18000 PLN net
- Senior: 18000 - 27000 PLN net
Additional benefits
- Flexible work model
- Private healthcare - access to LuxMed on preferential terms.
- Sports package - join Multisport on preferential terms.
- AI-first learning culture - we encourage experimentation, continuous learning, and aren't afraid to burn tokens in the pursuit of better solutions.
- Knowledge-sharing environment.