Senior Full-Stack Engineer (Python, React)

Luxoft Poland; Polska; On-site; PLN 260,000 - 380,000; Full time

Benefits offered by this job

Tax-deductible costs on development合同

Private Medical & Dental care & Life保险

MyBenefit program

Internal Mobility program

Job summary

Luxoft Poland is seeking a Senior Engineer to deliver features from design to production, spanning React/Next.js frontend and Python back end, with database integration and Azure CI/CD deployment.

You will design APIs, maintain OpenAPI/GraphQL contracts, and ensure test coverage with unit, integration and E2E tests, while resolving cross-layer defects in UAT and production.

Qualifications

• 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.
• REST and GraphQL design, authentication (OAuth2 / OIDC, Azure AD / Entra ID).

Responsibilities

• Deliver features end to end across the React / Next.js front end and Python 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.
• 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

Full-stack development

End-to-end delivery

OpenAPI/GraphQL understanding

Education

Bachelor's degree in Computer Science or related field

Tools

React

Next.js

Python

FastAPI

Django

PostgreSQL

Cosmos DB

Azure DevOps

GitHub Actions

Docker

Terraform

Bicep

OpenAPI

GraphQL

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.

Mandatory Skills Description:

• 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.
• REST and GraphQL design, authentication (OAuth2 / OIDC, Azure AD / Entra ID).

(Opportunity for Poland-based candidates)

• Tax-deductible costs on a contract of employment for all development roles
• Stable employment based on an employment contract
• Private Medical & Dental care & Life Insurance
• MyBenefit program (sports card, well-being program etc.)
• Internal Mobility program - possibility of rotation between projects, locations, accounts