Fullstack Engineer

At DAC.digital, we are constantly growing our business. As part of our growth strategy, we are strengthening our strategic partnership with a leading AI operating system provider. Salary Key information:

• 23 000 – 27 500 PLN net/month – pure B2B contract
• 20 000 – 24 000 PLN net/month – B2B contract (days off included)

Working Hours

• 4:00 PM – 8:00 PM (Polish time / CET) remaining 4 hours flexible

It Is Vital That You Have

• Fluency in English (min. C1);
• proficiency in Python and FastAPI for building RESTful services (OpenAPI, auth, middleware);
• strong experience with PostgreSQL (schema design, indexing, query optimization, migrations);
• proficiency in React and TypeScript, with solid HTML/CSS skills (responsive layouts, accessibility);
• familiarity with CI/CD pipelines for web apps (linting, testing, build and release automation);
• comfortable with Git-based workflows and modern development practices (code review, formatting, static typing);
• solid debugging and performance tuning skills across database, API, and frontend layers;
• experience building and maintaining production web applications and platforms.
• demonstrated ability to take features from design through implementation, testing, and deployment;
• experience collaborating with frontend, backend, and product teams on cross-functional projects;
• working in agile methodologies (Scrum, Kanban);
• high communication skills;
• eager to learn and share knowledge;
• willing to travel if necessary (conferences, coworking events, etc.).

Nice To Have

• hands-on experience with Docker and Kubernetes for local development and deployment (Helm/ArgoCD a plus);
• experience with caching/queues (e.g., Redis) and background jobs;
• familiarity with monitoring and observability stacks for web systems (logs, metrics, dashboards, alerts);
• exposure to security best practices (OWASP, CSRF/CORS, secrets management) and rollback strategies.

Technology Stack

• Python
• FastAPI
• PostgreSQL
• React
• TypeScript
• HTML/CSS
• CI/CD
• Git

You Will Be Responsible For Supporting Our Team In

• design, build, and maintain scalable web infrastructure using FastAPI and PostgreSQL, ensuring robust API versioning, migrations, and deployment workflows across multiple environments;
• collaborate with frontend and backend teams to deliver production-ready APIs, UI components, and system integrations based on technical requirements;
• drive automation and system reliability by implementing CI/CD pipelines, test coverage (unit, integration, E2E), monitoring tools, and alerting systems;
• optimize system performance and cost by profiling bottlenecks across database, APIs, and React-based UI; implement caching strategies and efficient resource usage in cloud or hybrid setups;
• produce and maintain clear technical documentation, including API specs, coding standards, development workflows, migration guides, and troubleshooting runbooks.

What Do We Offer

• possibility to work 100% remotely or on-site at our office in Gdańsk;
• b2b contract with included 30 days off;
• private Medical care;
• group insurance;
• pre-paid card or Sport Card;
• referral program;
• real Agile practices;
• employee well-being online platform;
• cafeteria benefits.

Sounds like your cup of tea? We are excited to have you on our team! Apply!