Top Tech Jobs & Startup Jobs in Cologne

Develop and maintain responsive frontend applications using TypeScript, integrate APIs and services, implement UI/UX designs, optimize performance and scalability, apply frontend security and data protection practices, troubleshoot issues, participate in code reviews, and contribute to open-source privacy-focused projects.

Provides strategic legal support across commercial operations, including drafting and negotiating contracts, advising on corporate governance, compliance, data protection, competition law, risk management, and disputes. Partners with Sales, Procurement, Finance, HR, Operations, and leadership; manages external counsel and legal spend; improves legal processes and technologies; and delivers legal training across the organization.

Design, implement, and maintain blockchain infrastructure and dApps. Develop and review smart contracts, optimize consensus and cryptography for scalability and security, troubleshoot performance and reliability issues, and collaborate with product and design teams to deliver features while staying current with blockchain advancements.

Build and maintain native iOS apps for 3D visualization and AI-assisted field workflows. Implement UI components, integrate backend and real-time data, optimize performance and memory, write clean Swift code, participate in architecture and code reviews, and troubleshoot device-specific issues while collaborating with product, design, and AI teams.

Lead end-to-end annotation projects: define workflows, coordinate teams (annotators, reviewers, experts), track progress and quality via dashboards, manage launches and phase transitions, pilot tooling and methodology improvements, and build scalable operational systems and documentation to support annotator community and cross-functional alignment.

Own the full technical sales cycle across EMEA, including discovery, demonstrations, trials, evaluations, and closing support. Build an EMEA-specific solutions engineering motion, develop repeatable processes and assets, guide technical evaluations, connect customer needs to product feedback, and partner with sales and regional leadership. The role also helps establish the regional playbook and support future SE hiring and development.

Design and refine web and mobile product experiences, own and scale the design system, create accessible pixel-perfect interfaces, document components, prototype with AI-powered tools, and partner with engineering through implementation. The role also leads design processes, incorporates user feedback, supports visual identity work, and presents design decisions to stakeholders.

Owns and manages the infrastructure powering secure AI agent deployments. Responsibilities include Kubernetes and Azure environments, Terraform-based infrastructure, MCP servers, access controls, enterprise integrations, GPU provisioning, compute scaling, model training efficiency, cost control, and governed connections to sensitive business systems. The role partners with infrastructure, security, compliance, technical, and business teams to deliver scalable and reliable AI platforms.

Own strategic technical accounts and lead enterprise solution engineering engagements. Architect integrations, deliver technical presentations, demonstrations, proofs of concept, and proofs of technology, and build AI and database solutions using vector and NoSQL technologies, LLMs, and RAG. Evangelize the platform through events and thought leadership while advising clients, supporting enterprise sales cycles, and providing product feedback.

Build and operate Resend’s scalable AWS platform, infrastructure tooling, self-service workflows, deployment standards, and observability systems. Improve reliability, performance, and security; participate in incident response; automate operational work; and partner with engineers to create reusable infrastructure solutions. The role requires extensive infrastructure, platform, or SRE experience, infrastructure-as-code expertise, cloud and distributed-systems knowledge, and strong communication in a remote environment.