Top Tech Jobs & Startup Jobs in Cologne

Build and scale Base360.ai’s short-term rental platform across frontend, backend, integrations, automation, dashboards, and AI-powered workflows. Work directly with customers, founders, and designers to identify problems, ship end-to-end solutions, and improve product outcomes. Develop reliable APIs, event-driven automations, cloud infrastructure, and integrations with Airbnb, Stripe, Twilio, OpenAI, and other platforms. Own features from discovery through deployment while balancing usability, security, scalability, and maintainability.

Build and optimize cloud infrastructure using IaC and configuration management tools. Integrate infrastructure with CI/CD pipelines, implement policy-as-code security controls, and support scalable automation across Kubernetes, cloud platforms, and operating systems. The role also involves translating security requirements into executable policies, maintaining infrastructure trends, and collaborating across teams.

As a BDR SMB, you will build pipeline and generate opportunities for sales in the DACH region through high-volume outbound execution and cold calling, working closely with the GTM team.

Acquire enterprise customers, primarily large venture capital funds, and help shape commercial acquisition strategy. Build relationships with fund managers, CFOs, COOs, general partners, and angel investors; develop account plans, demand-generation and closing strategies, proposals, pricing, and ROI business cases. Collaborate with Strategy, Marketing, and Customer Success teams to improve engagement, sales processes, pipeline efficiency, customer satisfaction, and long-term retention.

Staff Software Engineer responsible for architecting and developing scalable web applications and APIs using Elixir, React, and PostgreSQL. The role involves solving ambiguous technical and business problems, ensuring system reliability and performance, collaborating cross-functionally, presenting solutions to leadership, writing tested code, participating in code reviews, mentoring engineers, and removing technical roadblocks.

Build and operate scalable Phoenix and LiveView applications, REST APIs, real-time features, OTP systems, and background workloads. Design performant PostgreSQL data models, implement secure authentication and authorization, deploy services on Kubernetes and GCP, and contribute to observability, CI/CD, testing, technical leadership, mentoring, and architecture decisions.

Provide technical support for customers running Qdrant in production, troubleshooting Kubernetes, cloud, networking, storage, messaging, and database issues. Lead incident investigations, develop diagnostics and internal support tools, document solutions, and collaborate with engineering and platform teams. The role requires strong Kubernetes and infrastructure expertise, scripting ability, cloud experience, database knowledge, and clear communication in a remote, asynchronous environment.

Leads electrical design for hyperscale and mission-critical data centers across Europe. Responsibilities include managing HV/MV/LV systems, substations, utilities, consultants, permitting, project delivery, construction support, commissioning, and integrated systems testing. The role provides client-side technical leadership, reviews designs and project documents, coordinates multidisciplinary teams, manages risks and milestones, and ensures compliance with standards and operational requirements.

Develops new business and strategic customer relationships across the DACH market. Responsibilities include identifying prospects, managing key accounts, building sales plans and pipelines, achieving sales targets, preparing commercial and technical documentation, coordinating internal delivery and support teams, advising customers, and supporting technical solution enhancements. The role requires strong sales, negotiation, presentation, relationship management, industry knowledge, and radio communications systems experience, with travel to customer locations.

Own Frontier Traders end to end, including Solana data ingestion, high-volume attribution pipelines, rewards and VIP systems, realtime leaderboards, partner integrations, and trader-facing product experiences. Lead architecture, delivery, testing, observability, incident response, and roadmap definition while working directly with traders, market makers, Foundation stakeholders, design, and product teams.