Top Tech Jobs & Startup Jobs in Cologne

Serve as a client-facing solutions consultant for banks, CASPs, custodians, and regulators across Europe. Lead discovery, advisory engagements, licensing readiness reviews, gap analyses, digital asset strategy assessments, workshops, and reports. Present solutions to senior stakeholders, translate client needs into proposals, coordinate with Product and Business Development, and manage relationships and engagements independently. The role requires extended onsite client work, frequent European travel, regulatory compliance knowledge, and collaboration across international teams.

Find, qualify, pitch, and close clients seeking web design, website development, e-commerce, or digital product services. Responsibilities include outreach through LinkedIn, cold email, calls, and professional networks; lead follow-up; discovery call coordination; and deal closing with support from the technical team. Compensation is commission-based, with flexibility to work remotely and potential progression to a base retainer plus commission.

Design, implement, operate, and improve distributed backend systems at scale. Build event-driven architectures, improve production reliability, instrument services, optimize performance, establish safe deployment practices, and mentor engineers. The role partners with Product and engineering teams to define success metrics and guide technical direction.

Integrate and validate NVIDIA ADAS platform software across simulation, HIL, lab, and production vehicles. Diagnose Linux and QNX platform issues, coordinate hardware bring-up, maintain CI/CD pipelines, analyze regressions and vehicle logs, and deliver validated fixes. The role also manages OEM technical collaboration, partner-specific adaptations, release readiness, customer escalations, and cross-functional root-cause investigations.

Record short vertical, natural-feeling phone videos from provided scripts or guidelines. Deliver raw footage only (no editing). Film additional short clips for variety and ensure good lighting, clean background, and engaging on-camera performance.

Own the architecture, development, performance, reliability, and release lifecycle of a React Native DeFi mobile application for iOS and Android. Lead technical design and hands-on implementation of trading features, integrate APIs and real-time data, troubleshoot production issues, guide engineers through reviews and mentoring, and establish engineering standards. Collaborate with Product, Design, and Backend teams while managing mobile releases, monitoring, testing, and ongoing technical improvements.

Owns the onboarding of German- and English-speaking customers, serving as their primary contact, leading kickoffs and training, troubleshooting issues, providing technical guidance, coordinating internal teams, supporting customer success reporting, and improving onboarding processes. The role also includes rotating first-line support through email, chat, and an emergency line.

Manage strategic enterprise customer accounts throughout onboarding, implementation, adoption, renewals, upsells, and cross-sells. Develop success plans, monitor customer health and retention, lead training and health checks, gather product feedback, support escalations, and create customer references. The role requires strong cybersecurity knowledge, including Active Directory, Entra ID, cloud security, identity, compliance frameworks, and security operations, along with executive communication and consultative selling skills.

Own the architecture and technical direction of a React Native mobile application for DeFi trading across iOS and Android. Lead feature development from design through release, establish engineering standards, improve performance and reliability, guide engineers, integrate APIs and real-time data, manage app-store releases, monitor production health, and troubleshoot complex issues. Collaborate with Product, Design, and Backend teams to deliver scalable, intuitive financial experiences.

Lead and scale the engineering organization for a regulated digital-asset custody platform. Own hiring, org design, engineering operations (on-call, incidents, release hygiene), delivery against roadmaps, audit and regulator readiness (SOC 2, SAMA, ISO 27001), and cross-functional alignment. Amplify an existing small, specialized team to meet regulatory and institutional requirements while preserving culture and retention.