Jobbörse

(Senior) Self Sovereign Identity and Wallets Engineer (m/f/x)

Veröffentlicht am 09. Okt. 2026

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Cofinity-X GmbH

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EnglischSeniorDeutsch nicht nötig

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Gehalt (Schätzung)

Grobe Schätzung: 44.000 €–58.000 €/Jahr

Über diese Stelle

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

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

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

(Senior) Self Sovereign Identity and Wallets Engineer (m/f/x)

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