Top Software Engineer Jobs in Berlin

Build and own Python backend services for Grover’s real-time risk decisioning platform. Develop rule engines, decision APIs, dynamic pricing, counteroffers, third-party risk integrations, and Kafka event-driven workflows. Improve reliability, observability, and production operations while collaborating with risk analysts, data scientists, and product teams. The role includes on-call support, service debugging, AWS infrastructure, analyst tooling, and LLM-powered risk assistance.

Design, build, and optimize GPU-accelerated deep learning inference software and frameworks (e.g., SGLang, vLLM). Profile and tune LLM and Generative AI model serving across NVIDIA accelerators, contribute code to inference libraries, and collaborate across teams to deploy high-performance multi-GPU solutions.

Develop Rust-based cloud integration features that create, manage, and adapt cloud resources across Kubernetes environments. Collaborate on architecture, infrastructure, and feature design; use AI to improve development quality and speed; and work directly with users to gather requirements and debug distributed systems. The role requires production Rust experience, strong systems thinking, cloud-native knowledge, and familiarity with backend infrastructure tooling in a remote-first startup.

Develop production Rust code for managing, reconfiguring, and adapting cloud resources within a Kubernetes development platform. Collaborate on architecture, infrastructure, and feature design; use AI to improve delivery; and work directly with users to gather requirements and debug complex distributed environments. The role requires strong systems thinking, cloud-native infrastructure knowledge, and effective async collaboration in a remote-first startup.

Leads architecture, development, optimization, testing, and delivery of modern C++ 3D software for clinical dental applications. Owns rendering, geometry, APIs, CI/CD, and cross-language integrations while applying AI-assisted development practices. Investigates complex defects, mentors engineers, leads technical discussions, collaborates across product and manufacturing teams, and ensures compliance with medical device software quality processes.

Build and scale Nuitee’s flight infrastructure from a production product into reliable API-first platform services. Responsibilities include API design, caching volatile flight offers, modeling booking data, supporting booking changes, cancellations and refunds, integrating NDC and legacy GDS flows, and improving performance and reliability. This hands-on individual contributor role requires deep backend and API expertise, flight-domain knowledge, Python experience, and ownership in a small team.

Build and maintain ERP business management features across backend services, APIs, databases, and user interfaces. Develop reliable software, implement database models and schema changes, investigate issues, write tests, monitor releases, conduct code reviews, and communicate risks. The role requires professional software development experience and offers opportunities to grow into larger engineering responsibilities while working with technologies including Python, Django, React, PostgreSQL, AWS, and Kubernetes.

The Senior HPC Cluster Engineer will optimize GPU clusters, troubleshoot InfiniBand networks, integrate new hardware, enhance automation systems, and manage GPU devices in HPC environments.

Designs and builds Notabene’s Go-based transaction platform for secure, scalable, multi-tenant crypto transfers. The role focuses on distributed systems correctness, PostgreSQL performance, cloud infrastructure, observability, auditability, and regulated-data security. The engineer owns production operations, writes technical designs, reviews code, mentors teammates, collaborates with product and compliance teams, uses AI coding agents, and participates in on-call rotations.

Own and evolve high-throughput recommendation and ranking services in Go and Python, including low-latency serving and model integrations. Make architectural decisions, improve scalability, observability, security, and cost efficiency, and manage production incidents. Break ambiguous initiatives into releasable milestones, mentor engineers, contribute to hiring, and collaborate with data scientists, machine learning engineers, product managers, and platform teams to deliver personalized consumer experiences.

Design, develop, test, and operate scalable backend APIs for Zalando Payments. Build secure payment services using cloud-based microservices, collaborate on architecture and technical decisions, maintain high standards for code quality and testing, and support production operations. The role also involves knowledge sharing, cross-team communication, and continuous learning in a complex fintech and e-commerce environment.

Design and optimize high-throughput distributed backend systems and runtime components in Go. Improve concurrency, memory efficiency, execution engines, triggers, observability, and integrations with databases and messaging systems. Diagnose performance issues, race conditions, and deadlocks; modernize architecture; conduct code reviews; and own initiatives from design through production support.

Develop and maintain business-critical clearing and settlement services using Kotlin, Java, and Spring Boot. Collaborate with cross-functional teams while learning agile practices, Domain-Driven Design, testing, CI/CD, and cloud-native AWS development. Build reliable, secure, compliant financial workflows using containerized and event-driven services. Contribute to infrastructure as code, observability, monitoring, and continuous improvement with guidance from experienced engineers.

The Software Developer will design and develop web applications, improve system reliability, and collaborate on architecture and deployment strategies.

Design, build, and maintain backend services for AI-powered campaign optimization products. Support data scientists in deploying machine learning models, improve architecture and engineering practices, contribute to planning and retrospectives, mentor teammates, and collaborate with product and infrastructure stakeholders. The role requires strong Python skills, production software development experience, cloud infrastructure knowledge, and the ability to work hybrid from the office three days per week.

Designs and operates distributed database systems across query execution, transaction processing, durable storage, concurrency, replication, recovery, and upgrades. Responsibilities include improving database performance, building deterministic failure simulations, managing stateful rollouts, participating in on-call response, leading production changes and investigations, and mentoring engineers. The role requires deep systems expertise and experience operating correctness-sensitive stateful services in production.

Build and maintain scalable backend microservices, own features from concept through deployment, improve technical architecture, implement OAuth and Auth0 authentication, and optimize SQL and PostgreSQL data layers. The role also involves automated testing, Docker, Git, CI/CD practices, and potential mentoring or technical leadership. It is remote-first with occasional travel to Berlin workshops, team sessions, and company events.

Design and integrate reliable software interfaces and drivers for aerospace and defence hardware. Own validation between planning software and hardware, diagnostics, secure updates, simulators, qualification, requirements traceability, configuration control, and software assurance. Build reproducible CI/CD pipelines with secure boot, code signing, SBOMs, static analysis, and test evidence. Debug hardware/software integration using HITL testing and communicate technical risks to systems, safety, customers, and assessors.

Build mission-planning software for hypersonic defense systems, including real-time planning services, backend plan generation, scenario management, software-in-the-loop simulation, automated testing, data models, and message schemas. Collaborate with hardware, UX, and integration teams to enable realistic mission simulation and deployment to launch systems. The role requires strong modern C++ or Rust skills, simulation architecture expertise, rigorous testing practices, and the ability to establish new software systems autonomously.

Integrate deep learning models into high-performance DFT software frameworks for CPU and GPU environments. Responsibilities include developing efficient GPU implementations, optimizing numerical and scientific software, maintaining open-source and beta releases, and collaborating with deep learning, quantum chemistry, and engineering teams to deliver robust scientific workflows.

Provide technical leadership for real-time data collection and delivery systems. Design, develop, tune, and maintain low-latency distributed infrastructure and data-processing services on cloud platforms. Collaborate with product, DevOps, engineering, and executives on roadmaps and data products; participate in architecture decisions, mentor developers, scale infrastructure, and support on-call operations.

Build and operate business-critical clearing and settlement services using Kotlin, Java, Spring Boot, and AWS. Responsibilities include designing distributed event-driven systems, developing APIs, implementing automated testing and CI/CD, managing infrastructure as code, and improving observability, reliability, security, and developer experience. The role requires ownership from concept through production within autonomous, agile, cross-functional teams and includes modeling complex financial workflows using Domain-Driven Design.

Build and operate cloud platform services and gRPC/Protobuf APIs for secure vehicle, mobile, and cloud communication. Responsibilities include operating NATS messaging, deploying services with Kubernetes and Argo CD, managing infrastructure as code, diagnosing production issues, tuning networking and traffic routing, and developing end-to-end, integration, and load tests.

Design, develop, test, deploy, maintain, and improve payment software and microservices. Debug Kotlin and PHP systems, participate in incident response, and deliver architectural improvements. Write technical specifications, use AI-assisted coding tools, review code, mentor engineers, and collaborate with stakeholders. The role owns security, reliability, scalability, and operational follow-up for high-availability payment systems involving banks, merchants, buyers, investors, and Billie.

Own full-stack features from concept through production across frontend, backend, data, and infrastructure. Build TypeScript software, testing guardrails, CI/CD, observability, and secure AI-assisted development workflows. Use and critically review AI coding agents, improve deployment speed, instrument releases, conduct code reviews, mentor colleagues, and collaborate with product, QA, and data teams.