Jobs / Germany / Cofinity-X GmbH
(Senior) Self Sovereign Identity and Wallets Engineer (m/f/x)
Cofinity-X GmbH · 🌍 Köln
Sponsorship verdict
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- No government sponsor record hereThis employer posted directly and does not match a government sponsor register.
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- Can’t check pay against the visa rulesNo salary stated. Germany EU Blue Card needs at least €50,700 a year (shortage-occupation / recent-graduate: €45,934). Source: https://www.make-it-in-germany.com/en/visa-residence/types/eu-blue-card, rules effective 2026-01-01.
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No register record and no sponsorship wording in the posting. Worth asking the employer before investing significant time.
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Sponsor Radar — Cofinity-X GmbH
This employer posted directly and does not match a government sponsor register.
Past sponsorship or register membership never guarantees sponsorship for this vacancy or for you. Full Sponsor Radar for Cofinity-X GmbH →
About the role
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 Find more English Speaking Jobs in Germany on Arbeitnow