Our vision - your future
Cofinity-X is a joint venture founded in 2023 by BASF, BMW Group, Henkel, Mercedes-Benz, SAP, Schaeffler, Siemens, T-Systems, Volkswagen, and ZF. Established by industry experts, our company is primed for growth and is intended to be further led by professionals like yourself.
Your mission
- Design, develop, and maintain core backend services, with a focus on digital identity and wallet-related components
- Implement and operate secure, standards-compliant wallet functionality (e.g. credential issuance, verification, and storage) within our platform
- Ensure the reliability, scalability, and security of core services that other product components depend on
- Collaborate with architects and product teams to translate technical and regulatory requirements (e.g. self-sovereign identity, decentralized identifiers, verifiable credentials) into robust implementations
- Contribute to API design and integration patterns for wallet and identity-related services
- Participate in code reviews, technical design discussions, and continuous improvement of engineering practices
- Monitor, troubleshoot, and resolve issues in core services, ensuring high availability and data integrity
- Stay current with relevant standards and specifications (e.g. Gaia-X, Catena-X, W3C DID/VC) and help shape their implementation through participation in working groups, expert groups and committees as required.
Your profile
- Several years of experience as a backend or software engineer in an agile development environment
- Hands-on experience with identity and credential technologies such as SSI, DIDs, verifiable credentials, or digital wallets is a strong plus
- Strong programming skills in (preferably) Java, or C# .NET
- Solid understanding of cryptography fundamentals, secure API design, and data protection principles
- Experience with cloud-native architectures, containerization (Docker/Kubernetes), and CI/CD pipelines
- Familiarity with relevant standards bodies and specifications (e.g. Gaia-X, Catena-X) is beneficial
- Analytical and structured working style with strong problem-solving skills and a collaborative, team-oriented mindset
Why us?
- Hybrid working model
- Work-life balance with flexible working hours
- Annual training budget for continuous professional and personal development (1.500 EUR)
- Free choice of hardware
- Monthly lunch subsidy (up to 115 EUR)
- Deutschland Ticket and Job Bike for environmentally friendly mobility options
- Workation to work remotely from different locations within the EU
- We offer every employee a pensions scheme (bAV) with company sponsorship
- Regular team events to strengthen cohesion and foster a positive working atmosphere
- A modern office with an impressive view of the Cologne Cathedral
About us
Cofinity-X GmbH is based in Cologne and was founded in 2023. It is a joint venture of BASF, BMW Group, Henkel, Mercedes-Benz, SAP, Schaeffler, Siemens, T-Systems, Volkswagen and ZF. The vision of Cofinity-X is to run an open marketplace for the provision of own and third-party business applications and further services that enable secured and standardized data transfer along the automotive value chain in accordance with the Gaia-X and Catena-X principles with initial focus on the European market.
(Senior) Self Sovereign Identity and Wallets Engineer (m/f/x) in Köln Arbeitgeber: Cofinity-X
Cofinity-X ist ein hervorragender Arbeitgeber, der eine ausgewogene Work-Life-Balance und flexible Arbeitszeiten bietet. Mit einem jährlichen Weiterbildungsbudget von 1.500 EUR und der Möglichkeit, in einem modernen Büro mit Blick auf den Kölner Dom zu arbeiten, fördert das Unternehmen die persönliche und berufliche Entwicklung seiner Mitarbeiter. Zudem ermöglicht das hybride Arbeitsmodell und die Option auf Workation innerhalb der EU eine innovative und anpassungsfähige Arbeitsumgebung.
