Top Tech Jobs & Startup Jobs in Hamburg

Lead and architect end-to-end features across NestJS/TypeScript backend, React Native and web frontends. Extend and maintain GraphQL APIs, integrate third-party services, drive roadmap and technical decisions, implement CI/CD/DevOps practices, mentor developers, and contribute to UX and documentation. Opportunity to scale into CTO with equity.

Develop and improve cloud-native microservices and Kubernetes operators (including open-source work). Build highly available cloud infrastructure, automate end-to-end tests via CI/CD, collaborate with customer teams, enable Day 2 operations, and share knowledge across Reply and client teams.

Design and ship production generative AI systems and multi-agent solutions for enterprise clients. Build LLM and RAG pipelines, vector search, and AI-driven automations integrated into cloud-native SaaS architectures. Collaborate with product, engineering, and leadership; advise clients on AI strategy and deployment, focusing on security, scalability, and measurable business outcomes.

Support implementation of SimCorp Dimension functionalities, liaise with IT and business departments, analyze processes, and advise clients on system implications.

Lead Vistar Media's DACH commercial operations for DSP and SSP, set market strategy, drive revenue and profitability, build executive agency and media owner relationships, manage and grow sales and partnerships teams, and execute the strategic partnership with Deutsche Telekom.

Lead end-to-end user acquisition strategy and execution across Meta, Google, TikTok and DSPs. Manage and scale large budgets, design structured tests, collaborate with creative/product/analytics, analyze full-funnel performance, and explore new channels to drive sustainable mobile user growth.

Define and evolve the enterprise data architecture and roadmap, set standards for modelling, integration, interoperability and storage, embed governance, lineage, security and compliance, support analytics and AI, provide technical leadership and reviews, evaluate tooling, and drive integration of acquired businesses to reduce fragmentation and technical debt.

Lead architecture, reliability, and automation for a globally used SaaS platform. Own cloud strategy, uptime, SLAs, incident management, observability, IaC governance, CI/CD improvements, and enable engineering teams through platform tooling and best practices.

Develop cross-platform desktop and mobile music applications, plugins, and virtual instruments. Write clean C++ code, integrate cloud/server APIs, use standard tooling (Visual Studio, Xcode, Git, CMake), collaborate in a team, and apply audio/music technology knowledge to deliver projects.

Own investment controlling for Nordic real estate companies: ensure high-quality financial data, reconcile to Fund GAAP, liaise with accountants and advisors, oversee annual financial statements and tax returns, support compliance and corporate resolutions, and contribute to acquisitions, disposals, and new investment structure setups.