Protecting confidential communication for the world’s most security-demanding organizations
Senior Backend Engineer
Location
Germany
Posted
71 days ago
Salary
0
Seniority
Senior
Job Description
Senior Backend Engineer
Wire
• Build and maintain core services for the Wire platform, improving scalability, reliability, and security while collaborating across teams. • Develop and maintain backend services in Haskell and actively contribute to the evolution of our existing backend codebase. • Contribute to architectural decisions and help make our backend platform more stable, scalable, and maintainable. • Implement new features in close collaboration with Product, Client Engineering, CoreCrypto, Security, and QA. • Work on large-scale service-oriented and federated architectures. • Support the evolution of our data architecture, including migration towards PostgreSQL. • Take responsibility for backend topics within your feature scope and ensure alignment between the scope and the backend team. • Build robust, well-tested software and collaborate with QA and engineering teams to continuously improve quality, stability, and security. • Share knowledge regularly with the backend team and contribute to a strong engineering culture. • Work on software where security, privacy, and reliability are core requirements.
Job Requirements
- Proven experience in backend development with Haskell.
- At least 3 years of experience developing scalable backend systems or distributed services.
- Experience with service-oriented architectures.
- Understanding of software architecture, API design, testing, and long-term code maintainability.
- Comfortable working in cross-functional teams and enjoy collaborating with Client Engineers, Security, QA, Product, and other Backend Engineers.
- Ability to communicate technical decisions clearly and contribute actively to discussions around architecture, implementation, and test strategies.
- Interest in secure communication systems, privacy, and modern cryptography (deep cryptography expertise not required).
- Experience with Servant, Polysemy, or comparable Haskell libraries is a plus.
- Experience with PostgreSQL or database migrations is an advantage.
- Experience with federated systems is a plus.
- Experience with additional programming languages such as Rust or Go is also a plus.
- Fluent English is required; German language skills are a plus but not mandatory.
Benefits
- Enjoy a yearly education budget of 1000 EUR to strengthen personal capabilities.
- With an Urban Sports Club subscription, stay balanced and mentally and physically healthy!
- Work from a beautiful office in the heart of Berlin or choose a mix of working from anywhere vs. spending selected days together in our office to connect on a personal level
- Enjoy fresh breakfast in the office, daily fruits, snacks, free soft drinks, and the world's best Barista coffee machine.
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