(Senior) Backend Engineer (f/m/d) (Remote)

(Senior) Backend Engineer (f/m/d)

Company Overview

Join Wire, the leading end-to-end encrypted communication platform revolutionizing secure collaboration for businesses, critical infrastructure, and governments. We prioritize privacy as a fundamental right, providing organizations across industries with the most secure communication experience possible. Our cutting-edge encryption technology and robust security measures have made us a trusted partner in the technology, finance, healthcare, and government sectors.

Job Summary

As a Backend Software Engineer on our Haskell team, you will build and maintain core services for the Wire platform, improving scalability, reliability, and security while collaborating across teams. We are looking for a proactive engineer with strong Haskell skills who enjoys solving complex backend challenges.

Key Responsibilities

• 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 and bring your experience in designing, implementing, and operating scalable systems.
• Support the evolution of our data architecture, including the ongoing migration towards PostgreSQL.
• Take responsibility for backend topics within your feature scope and ensure that architecture, implementation approaches, and test strategies are aligned.
• Build robust, well-tested software and collaborate with QA and engineering teams to continuously improve quality, stability, and security.
• Build deep knowledge of your technical scope, share this knowledge regularly with the backend team, and contribute to a strong engineering culture.
• Work on software where security, privacy, and reliability are core requirements.

Requirements / Qualifications

• 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 and understanding of how to build robust, maintainable, and scalable backend systems.
• Structured and independent work style.
• Good understanding of software architecture, API design, testing, and long-term code maintainability.
• Comfortable working in cross-functional teams.
• Ability to communicate technical decisions clearly.
• Interest in secure communication systems, privacy, and modern cryptography.
• Fluent English.

Preferred Qualifications

• Experience with Servant, Polysemy, or comparable Haskell libraries.
• Experience with PostgreSQL or database migrations.
• Experience with federated systems.
• Experience with additional programming languages such as Rust or Go.
• German language skills.

Location

Remote in Germany or Europe, hybrid possible from our Berlin office.

Employment Type

Full-time, Permanent.

Salary & Benefits

• Yearly education budget of 1000 EUR.
• Urban Sports Club subscription.
• Fresh breakfast in the office, daily fruits, snacks, free soft drinks, and high-quality coffee.

Equal Opportunity Statement

Wire is an equal opportunity employer and does not discriminate on the grounds of gender, civil status, family status, sexual orientation, religion, age, disability, or race.