Top Software Engineer Jobs in Hamburg

The Software Engineer, Platform will design and maintain backend services, optimize APIs, collaborate on B2B solutions, and ensure alignment with product strategy.

The Software Engineer will manage data collection and processing to enhance AI model training, collaborating with scientists and extending cloud infrastructure.

Own and develop the data warehouse and customer application for a predictive-maintenance product. Build scalable full-stack features, optimise async processing and queries, improve reliability and observability, design architecture, write maintainable tests, and participate in code reviews and technical planning.

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.

Build and maintain full-stack features across NestJS TypeScript backends and React/React Native frontends. Plan architecture, extend GraphQL APIs, integrate third-party services, ensure security and scalability, contribute to CI/CD/DevOps, collaborate with product owners, write technical documentation, and prioritize delivering high-quality UX in an agile, cross-functional team.

Design, implement and maintain full-stack features across NestJS (TypeScript) backends and React/React Native frontends. Extend GraphQL APIs, integrate third-party services, influence architecture and roadmap, ensure quality via testing/CI-CD, produce technical documentation, and collaborate with product owners to deliver scalable, reliable SaaS solutions.

As a Senior Software Engineer, you will enhance the REDAPL platform, leading initiatives in data ingestion, processing, and supporting infrastructure-related projects while mentoring other engineers.

Lead organization-wide software and AI engineering strategy, architect large-scale data and LLM integrations, drive deployment and CI/CD practices, mentor technical leaders, and convert prototypes to production while ensuring AI evaluation, observability, and high code quality.

Build and maintain the justtrack SDK across mobile and web platforms (focus on iOS). Write clean, tested code, maintain CI/CD pipelines, document SDKs, support external developers with integration, and collaborate on backend interactions and product decisions.

Develop and maintain C# applications, design robust solutions with the team, write unit tests and occasional end-to-end test plans, conduct code reviews, and diagnose and resolve technical issues to ensure code quality and reliability.

Drive performance and scale characterization for NVIDIA DGX Cloud across Kubernetes and NVIDIA components. Build automated tests, monitoring, and CI/CD for large-scale GPU-accelerated workloads. Triage and resolve distributed systems performance issues, collaborate with researchers and upstream open-source communities, and present findings at conferences.

Build and maintain reliable API integrations with EV chargers, vehicles, and OEM platforms. Improve connectivity platform reliability, observability, and scalability. Develop automations and internal tools, define SLAs and monitoring, reduce incidents, and collaborate across teams to support Enode's energy device integrations.

Design, build, and maintain highly available, durable, horizontally scalable backend services for a distributed streaming platform. Lead multi-month engineering initiatives, improve disaster recovery, implement operator tooling, collaborate on CI and DevOps, and participate in L3 support and on-call rotations to resolve production performance issues.

Build and scale a blockchain data platform handling petabytes of on-chain data. Design and implement distributed systems, data ingestion/decoding pipelines, and performant SQL processing. Write production code (Kotlin, Go, Java, Rust), improve developer experience, automate operations (including AI-driven automation), and own platform components.

Own and build the production Android client using Kotlin, integrating AI features (chat, vision, voice), optimizing performance and memory, designing AI UX patterns, implementing analytics/logging, and collaborating with backend and ML engineers to ensure stability, security, and scalability.

Build and maintain a production-grade iOS application using Swift and SwiftUI with AI-native interactions. Integrate AI features via backend APIs and on-device inference, design resilient AI UX patterns, optimize performance and battery, capture user signals for evaluation, and ensure App Store quality and production reliability while collaborating with backend and ML teams.

Lead design and development of low-level Linux instrumentation and eBPF-based runtime security features for detection, monitoring, and workload protection. Drive architecture, implement performance-sensitive systems, establish testing methodologies, deliver end-to-end features, and provide technical leadership and cross-team collaboration across Datadog's security products.

As a Backend Software Engineer, you'll design scalable backend systems, optimize database performance, and collaborate with front-end and DevOps teams.

Contribute to Juju's development, collaborate with teams on distributed systems, debug issues, and enhance cloud automation features.

Develop and optimize algorithms for battery and renewable energy projects, analyze market data trends, and ensure algorithm performance.

Design and implement backend trading services, own features end-to-end (schema, API, tests, UI integration), contribute to real-time infrastructure and client-facing APIs, and write integration tests against real dependencies.

Software Engineers at QuantCo will design and develop scalable solutions, integrate models into client businesses, and improve products based on client feedback.

As an Ubuntu Core Software Engineer, you will design and implement features for the embedded Linux operating system, maintain boot mechanisms, debug system-level issues, and collaborate with a global team.

Full-stack Developers at QuantCo build user interfaces for machine learning solutions, collaborating with data scientists and engineers to deliver actionable products.

Build and own end-to-end backend systems for forecasting and agentic LLM research: design, deploy, monitor, debug, and harden features and pipelines (benchmarks, agents, production services). Prototype quickly, work with LLM APIs and coding agents, and collaborate with researchers to improve evaluation and forecasting tools.