Senior Backend Engineer

Berlin | Hybrid

We’re working with an established technology business that is continuing to invest heavily in its engineering capabilities. They’re looking for a Senior Backend Engineer with strong Python experience to join a collaborative product team and take ownership of important backend services and cloud infrastructure.

This is a hands-on role for someone who enjoys building robust systems, improving performance and working closely with engineers across the wider product organisation.

The Role

You’ll play a key role in designing, developing and evolving backend services within a predominantly cloud-based environment.

Your responsibilities will include:

Designing and developing scalable backend services using Python and AWS
Building efficient serverless applications and APIs
Working with technologies such as AWS Lambda, S3 and other AWS services
Developing and maintaining APIs using frameworks such as FastAPI, Django or Flask
Designing and optimising data solutions using PostgreSQL, DynamoDB and caching technologies
Improving application performance, reliability and scalability
Establishing and improving automated testing, including unit, integration and end-to-end testing
Contributing to CI/CD processes and engineering standards
Working with modern dependency and package management approaches
Helping maintain clean, well-documented and maintainable codebases
Contributing to the architecture and integration of backend services with other parts of the wider technology ecosystem
Working closely with frontend engineers, QA, product, UX/UI and AI specialists
Taking an active role in an agile development environment and contributing ideas that improve how the team works

What We’re Looking For

We’re looking for an experienced backend engineer who enjoys solving technical problems and wants genuine ownership over the systems they build.

You’ll ideally bring:

5+ years of professional backend development experience
Strong commercial experience with Python
Experience with TypeScript and/or JavaScript
Hands-on experience building APIs and backend services
Experience with frameworks such as FastAPI, Django, Flask or similar
Strong knowledge of relational databases, particularly PostgreSQL
Experience with NoSQL technologies such as DynamoDB would be beneficial
Good understanding of AWS and cloud-based architecture, particularly serverless technologies
Experience with automated testing and modern software development practices
Familiarity with CI/CD tooling such as GitHub Actions
Experience with modern Python dependency management tools such as Poetry, uv or pip
A good understanding of software architecture, design patterns, scalability and performance is a must
Experience working within an agile engineering team

What’s On Offer?

You’ll be joining an established technology business with a collaborative engineering culture and plenty of opportunity to influence how things are built.

The package includes:

Basic salary of up to €90k depending on experience
Hybrid working with a modern Berlin office
A high degree of autonomy and ownership
Subsidised health, transport and lifestyle benefits
Employee discounts and additional company perks

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