Fullstack Engineer

DAC.digital Group; Województwo pomorskie; Hybrid; PLN 200,000 - 300,000; Full time

Job summary

DAC.digital Group is seeking a highly skilled engineer to design, build, and maintain scalable web infrastructure using FastAPI and PostgreSQL. You will collaborate with frontend and backend teams to deliver production-ready APIs and UI components, while driving CI/CD, testing, and monitoring to ensure reliability across environments.

The role requires strong Python, FastAPI, React/TypeScript, HTML/CSS, and Docker/Kubernetes experience, plus Agile practices.

Qualifications

• Fluency in English (min. C1).
• Proficiency in Python and FastAPI for RESTful services.
• Experience with agentic AI.
• Strong PostgreSQL experience (schema design, indexing, migrations).
• Proficiency in React and TypeScript, solid HTML/CSS skills.
• Familiarity with CI/CD pipelines for web apps.
• Git-based workflows and modern development practices.
• Solid debugging and performance tuning across DB, API, and frontend.
• Experience building production web apps and platforms.
• Ability to take features from design through deployment.
• Experience collaborating with frontend, backend, and product teams.
• Experience with Agile methodologies (Scrum, Kanban).
• High communication skills; eager to learn and share knowledge.

Responsibilities

• Design, build, and maintain scalable web infrastructure using FastAPI and PostgreSQL.
• Collaborate with frontend and backend teams to deliver production-ready APIs and UI components.
• Drive automation with CI/CD pipelines, tests, monitoring, and alerts.
• Optimize system performance and costs across database, APIs, and React UI.
• Implement caching strategies and efficient resource usage in cloud or hybrid setups.
• Produce and maintain clear technical documentation, including API specs and migration guides.

Skills

English (C1+)

Python

FastAPI

Agentic AI

PostgreSQL

React

TypeScript

HTML/CSS

CI/CD

Git workflows

Debugging

Performance tuning

Agile (Scrum/Kanban)

Communication

Willing to learn

Tools

Docker

Kubernetes

Helm/ArgoCD

Redis

Monitoring stacks

Job description

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:

• Working hours: New York working hours
• Start date: early November

It is vital that you have:

• fluency in English (min. C1);
• proficiency in Python and FastAPI for building RESTful services (OpenAPI, auth, middleware);
• experience with agentic AI;
• 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.

We will be more than happy if you 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.
• Python
• Agentic AI
• FastAPI
• 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;
• real Agile practices;
  working in an international environment.