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.

Key information:

Salary:

• 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.