Fullstack Engineer

DAC SAGdańsk, Pomeranian, Poland

11 days ago

Job description

technologies-expected :

Python
PostgreSQL
React.js
TypeScript
HTML
CSS
Git

technologies-optional :

Docker

Kubernetes

Helm

ArgoCD

Redis

about-project :

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 :

23 000 – 33 000 PLN net / month – pure B2B contract

20 000 – 29 000 PLN net / month – B2B contract (days off included)

Working hours :

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

Technology stack :

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

responsibilities :

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.

requirements-expected :

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.).

offered :

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.

benefits :

sharing the costs of sports activities

private medical care

life insurance

remote work opportunities

flexible working time

integration events

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Fullstack Engineer • Gdańsk, Pomeranian, Poland

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