Senior Python engineer designing, building and operating REST and asynchronous APIs and integration services on Azure. Owns reliability, security and performance of the services in scope, from data model to observability.

  • Develop Python REST and async APIs with FastAPI / Django; publish and version OpenAPI contracts.
  • Model relational (PostgreSQL) and NoSQL (Cosmos DB) schemas; manage migrations.
  • Implement messaging via Azure Service Bus / Event Grid and background processing with Celery and Azure Functions.
  • Configure authentication and authorisation (OAuth2, JWT, Azure AD / Entra ID), Redis caching and API gateway routing / versioning (Azure API Management).
  • Containerise services (Docker) and prepare them for AKS / Container Apps deployment through CI/CD.
  • Instrument structured logging, tracing and metrics with Application Insights / OpenTelemetry; define alerts.
  • Provide production support for owned services, including root-cause analysis and post-incident actions.

Responsibilities and accountabilities

  • Service reliability, API contracts and backward compatibility of owned services.
  • Data integrity and secure handling of secrets (Key Vault) and personal data in line with Client policy.
  • API performance and scalability against agreed non-functional requirements.
  • Unit and integration test coverage; quality of pull requests reviewed.
  • Production support of owned services within the agreed support model.

MUST
  • Bachelor's degree in Computer Science, Engineering, Information Systems or a related field, or equivalent practical experience.
  • 7+ years of back-end development, of which 4+ in Python (FastAPI / Django) and 3+ building and operating services on Azure.
  • Expert Python 3.11+, FastAPI and/or Django (DRF), async programming, Pydantic.
  • Azure: Service Bus, Event Grid, Functions, API Management, Key Vault, Cosmos DB, Azure Database for PostgreSQL, AKS / Container Apps, Application Insights.
  • PostgreSQL and NoSQL data modelling, SQLAlchemy / Django ORM, Redis.
  • Security: OAuth2 / OIDC, JWT, Azure AD / Entra ID app registrations, OWASP API top 10.
  • Docker, Git, CI/CD (Azure DevOps / GitHub Actions), infrastructure as code (Bicep or Terraform) at working level.
  • Testing: pytest, contract and integration testing; observability with OpenTelemetry.
NICE TO HAVE
  • AWS or GCP equivalents (SQS/SNS, Lambda, Pub/Sub).
  • Kafka / event-driven architecture patterns, CQRS.
  • Azure certifications (AZ-204, AZ-305).
  • Experience in financial services, sovereign wealth / investment holding or other regulated enterprise environments.

Luxoft, a DXC Technology Company is a global digital strategy and software engineering firm with over 17,000 international employees within its 58 offices in 29 countries. It is headquartered in Zug, Switzerland. 

In January 2019, Luxoft was acquired by U.S. company DXC Technology. Luxoft partnered with LG Electronics to create a next-generation Autonomous Mobility concept vehicle that integrates consumers' personalized digital lifestyles into a driving experience. Luxoft enabled Switzerland's first Blockchain based e-vote platform with the City of Zug and Hochschule Luzern's Blockchain Lab.

Luxoft, a DXC Technology Company is a world-renowned company. It has been present on the Polish market for over 13 years. We have offices in Krakow, Warsaw, Wroclaw, and Gdansk. We employ over 2,000 professional experts carrying out projects for over 100 clients from the financial, automotive, medical, tourist industries, etc. We work for many international clients, including the USA, Great Britain, and Switzerland.

So far, Luxoft Poland has made a name for itself as a company that offers work on innovative projects, we offer various experiences in the field of IT, opportunities for rapid development, an extensive training program, and attractive benefits for employees.

At present, 62% of Luxoft Poland employees come from Poland, and 38% from around 50 countries, including Ukraine, Brazil, India, Turkey, Spain, Portugal, Italy, Romania, USA, etc.

At Luxoft, a DXC Technology Company almost 80 percent of employees are experts with the "Senior" experience level, with at least five years of experience. We care about our employees, so every day we try to provide them with the best possible conditions for work and development.

Technology is our passion! We focus on top engineering talent means that you will be working with the best industry professionals from around the world. Because of that, Luxoft is a global family with an epic atmosphere – we love what we do!