Senior Full-Stack Engineer

Luxoft Poland; Polska; On-site; PLN 180,000 - 240,000; Full time

Job summary

Luxoft Poland is seeking a senior engineer to deliver features end to end across React/Next.js frontend and Python backend, with database integration and Azure CI/CD deployment. You will own features from design through production and ensure contracts stay in sync.

You will design APIs, build PostgreSQL/Cosmos DB integrations, maintain CI/CD pipelines, and drive testing and release readiness. The role demands 7+ years in software development and hands-on experience with Azure and full-stack

Qualifications

• Bachelor's degree or equivalent practical experience in CS/Engineering.
• 7+ years of software development with 4+ years full-stack and 2+ years Azure deployment.
• Proficiency with Python 3.11+, FastAPI/Django, SQLAlchemy or Django ORM.
• CI/CD with Azure DevOps or GitHub Actions; Docker; IaC (Bicep/Terraform).

Responsibilities

• Deliver features end to end across the React/Next.js front end and Python back end.
• Design APIs and DB integrations (PostgreSQL, Cosmos DB) for owned features.
• Configure CI/CD pipelines for Azure deployments and IaC.
• Ensure front-end/back-end contracts align (OpenAPI/GraphQL).
• Write tests and perform release/readiness checks.

Skills

Full-stack development

React / Next.js

Python (FastAPI / Django)

Azure deployment

CI/CD pipelines

OpenAPI / GraphQL contracts

Testing (unit/integration)

Education

Bachelor's degree in CS/Engineering or related field

Tools

Docker

Azure DevOps

GitHub Actions

Terraform / IaC

SQLAlchemy / Django ORM

Job description

Senior engineer delivering features end to end: React / Next.js front end, Python (FastAPI / Django) back end, database integration and CI/CD deployment to Azure. Accountable for taking assigned features from design through to production.

Responsibilities

• Key tasks
• Deliver features end to end across the React / Next.js front end and Python (FastAPI / Django) back end.
• Design APIs and database integration (PostgreSQL, Cosmos DB) for the features owned.
• Wire up and maintain CI/CD pipelines deploying to Azure (Azure DevOps / GitHub Actions, containers, IaC).
• Keep front-end and back-end contracts consistent (OpenAPI / GraphQL schema as source of truth).
• Write unit, integration and E2E tests; automate deployment readiness checks.
• Resolve cross-layer defects found in UAT and production.
• Responsibilities and accountabilities
• End-to-end delivery of assigned features through to production, including release notes and runbooks.
• Consistency between front-end and back-end contracts and shared TypeScript / Pydantic models.
• Deployment readiness: pipelines, environment configuration, feature flags and rollback.
• Cross-layer defect resolution and root-cause analysis.

Skills

Must have

• Bachelor's degree in Computer Science, Engineering, Information Systems or a related field, or equivalent practical experience.
• 7+ years of software development with 4+ years delivering full-stack features (React front end, Python back end) and 2+ years deploying to Azure.
• Python 3.11+, FastAPI and/or Django, SQLAlchemy / Django ORM, pytest.
• CI/CD with Azure DevOps or GitHub Actions; Docker; Bicep or Terraform at working level.

Nice to have

• AWS or GCP experience.
• Messaging (Service Bus, Event Grid), background processing (Celery, Functions).
• Azure certifications (AZ-204).
• Experience in financial services, sovereign wealth / investment holding or other regulated enterprise environments.