We are looking for people who want to shape the future with us. As part of SPRIND, an organization that is called the Federal Agency for Disruptive Innovations but thinks like a start-up. Our goal is to create new breakthrough innovations from Germany. That means products, services and systems that make all of our lives noticeably and sustainably better. To do this, we connect new thinkers from science and business, people with outstanding ideas, special expertise and passion.

In the EUDI Wallet Infrastructure project, which SPRIND is carrying out on behalf of the Federal Ministry of the Interior and Community (BMI), a concept for a German overall system for the implementation of the eIDAS 2.0 regulation including a digital wallet is being developed and tested. Representatives of organized civil society, business associations and administration as well as experts from science are involved in a public consultation process that accompanies the project. As a Senior Backend Developer you will be a important part in the Walled Product team realizing this project.

Your future tasks

• Designing and developing the backend for the government provided EUdi wallet and its ecosystem.
• Evaluating existing software components, implementing new secure, scalable, reliable components.
• Writing concise product, process and technical documentation, supporting certification.
• Joining developers and architects in an multidisciplinary team supported by experts from several government ministries and research organizations.

How you convince us:

• 10+ years of development experience, 3+ years of Kotlin, with a focus on developing reliable, scalable, and secure REST API’s.
• Deep understanding and application of modern symmetric and asymmetric cryptography standards and operations.
• Strong knowledge of relational database schema design and SQL query optimization for performance and scalability.
• Enjoy working on open source projects and interacting with the community.
• Ability to deliver value in a high-stakes, regulated, politically sensitive environment.
• Proactive and responsible team player who drives topics forward, shares knowledge, and communicates effectively with both technical and non-technical colleagues.
• Comfortable transitioning between documentation, design, hands-on coding, and code review.
• Excellent spoken and written English communication
• Being able to work in an agile driven development with waterfall components.

Nice to have experience:

• Identity / OAuth / OpenID / SSI
• Hardware Security Modules (HSM)
• Mobile device attestation, including play Integrity and iOS DeviceCheck
• DevOps / CI/CD automation / operational experience
• German
• Sharing delicious food recipes

Why join us?

• A creative team that wants to shape tomorrow.
• A high level of personal responsibility and many opportunities to contribute and implement your own ideas.
• Attractive flexitime arrangement and mobile working where you like it.
• A wide range of opportunities for professional and personal development.
• Attractive remuneration in line with the responsibilities of the position and in accordance with SPRIND guidelines.

The position is initially limited until December 2025; an extension is being sought. Please send us your application with a CV including experience samples, possible start date by mail to jobs@sprind.org.