Top Software Engineer Jobs in Berlin

Design, build, deploy, and operate software, developer tools, cloud infrastructure, CI/CD systems, and workflow automation supporting Firefox engineering. Solve complex operational problems, improve reliability and observability, use telemetry to guide decisions, contribute to architecture and technical strategy, and collaborate across engineering, cloud, and IT teams. The role also involves AI-assisted development tools and open-source contributions.

Integrate production C++, embedded middleware, and AI inference components into autonomous-driving software stacks. Develop adapters and glue code, debug software across embedded hardware and middleware, validate inference performance, and execute embedded, recompute, regression, and HIL testing. Own complex integration issues through root-cause analysis and resolution while collaborating with ML, hardware, simulation, and vehicle engineering teams.

Design and deliver internal systems, Go services, APIs, data models, dashboards, visualizations, and LLM-powered workflow features. The role includes writing specifications, estimating work, code reviews, testing, documentation, security, performance, accessibility, and collaboration with nontechnical stakeholders. The engineer will handle sensitive people data, mentor colleagues, and improve team practices in a globally distributed environment.

Design, develop, and maintain high-quality web applications using CodeIgniter and PHP. Collaborate with cross-functional teams to define and ship features, ensure application performance and quality, identify and fix bugs, and maintain code quality and automation.

Develop production-grade Rust and Go control-plane microservices, Kubernetes operators, reconciliation engines, and APIs for AI infrastructure. Design distributed systems, integrate datacenter networking and DPU platforms, implement observability with OpenTelemetry, and perform root-cause analysis. The role requires strong async concurrency, reliability, testing, architecture documentation, and cross-functional design skills, with opportunities to work on open-source cloud-native bare-metal orchestration systems.

Builds software solutions for end users as a general full-stack engineer. The role emphasizes collaboration, ownership, accountability, fast-paced execution, adaptability, multitasking, rapid learning, and an ambitious, outcome-driven approach.

Build and maintain internal and public-facing APIs and services powering the Web App and developer experience. Develop API functionality, Admin API systems, WebSocket and REST behavior, and usage and billing integrations with Stripe. Investigate production issues and security vulnerabilities, write and review tested code, make technical decisions, and collaborate across engineering, Product, and Design teams.

Lead the development of Runware's serverless platform by building core systems for AI workload management and providing technical guidance to the team.

Lead development of Runware’s AI platform, including scalable backend APIs, SDKs, developer tools, and inference orchestration systems. Design high-performance distributed architectures, optimize image and video model integrations, improve reliability and observability, shape technical direction, and mentor engineers. Collaborate across platform, infrastructure, and product teams to deliver robust developer experiences and maintainable systems.

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.

Develop and maintain high-performance embedded software for optical telecommunications systems using Modern C++ on Intel and ARM architectures. Contribute to concurrency solutions, board support packages, application code, testing, debugging, CI/CD, code reviews, and design discussions. Work with ASICs, FPGAs, multicore CPUs, and hardware-software interfaces while applying AI-assisted development tools.

Principal Software Engineer responsible for solving complex platform and infrastructure challenges, defining multi-year architecture, and leading foundational initiatives across the software platform. The role focuses on APIs, abstractions, system architecture, scalability, software quality, and engineering velocity. The engineer will identify architectural bottlenecks, drive initiatives from design through deployment, serve as a technical escalation point, build consensus across teams, and mentor engineers.

Develop and support scalable MES applications, reporting solutions, CI/CD pipelines, and event-driven integrations for global manufacturing operations. The role involves Java and SQL development, troubleshooting integrated systems, root-cause analysis, documentation, process improvement, and collaboration with engineering, DevOps, and manufacturing teams.

Implement and ship Storage Encryption Everywhere in Firefox’s Gecko engine. Responsibilities include schema migrations, encrypted data storage, integration testing, Web Platform Tests, Gecko tests, code review, specification clarification, release shepherding, and fixing correctness, performance, and regression issues across Nightly, Beta, and Release channels.

Diagnose and verify long-tail Firefox WebCompat bugs, reproduce and triage site-breakage reports, write WebCompat interventions, and implement simple AI-assisted fixes. The role turns reported browser compatibility issues into actionable or resolved bugs using web development skills, browser DevTools, and cross-browser debugging.

Analyze anti-bot and bot-mitigation systems, identify how websites detect and block scraping activity, and develop repeatable testing and bypass approaches. Build a greenfield agentic environment for evaluating anti-bot behavior, contribute to backend systems at scale, investigate complex incidents, and communicate findings clearly. The role requires deep web protocol knowledge, strong Node.js, TypeScript, and Python skills, scientific problem-solving, AI coding agent proficiency, and independent execution in a remote-first team.

Senior Software Engineer to design and implement C++/Python software, accelerate workloads with CUDA, develop and maintain Linux kernel modules and system services, optimize system and GPU performance, manage Linux systems, mentor junior engineers, and integrate AI technologies across products.

Staff Software Engineer responsible for designing, building, and operating distributed market data systems. The role focuses on real-time blockchain data ingestion, streaming, normalization, storage, APIs, reliability, data correctness, observability, incident recovery, and production support. The engineer will lead technical decisions, mentor teammates, translate ambiguous requirements into designs, and use AI-assisted development throughout the software lifecycle.

Develop and maintain full-stack product features for an AI-powered legal technology platform. Build backend APIs and frontend interfaces, collaborate with product and design teams, ensure scalable and secure architecture, contribute to technical decisions, and integrate AI tools and agents. The role requires strong Python, FastAPI, asynchronous programming, and TypeScript experience, with Svelte and LLM product experience as advantages. This is a hybrid position based in Berlin.

Build and operate AI agents, agentic workflows, integrations, analytics, and internal products that improve engineering effectiveness and FinOps. Responsibilities include tool orchestration, retrieval, memory, APIs, data pipelines, cloud cost optimization, observability, testing, security, and reliable production deployment. Collaborate with engineering, Finance, Procurement, and Employee Tech to deliver measurable improvements.

Build and evolve APIs, SDKs, and platform integrations for a global feature engineering platform. Develop user-facing tools for ML practitioners, support workflows from data ingestion through feature serving, integrate with the central Data Control Plane, and improve platform reliability, testing, observability, and operational excellence. The role involves backend systems, distributed computing, ML tooling, and data pipelines.

Leads architecture, development, integration, debugging, and validation of embedded infotainment and HMI systems across hardware, operating systems, middleware, and applications. Designs interfaces and scalable abstractions, optimizes constrained systems, investigates hardware-linked behavior, and drives production readiness. Partners with cross-functional and external teams, establishes diagnostics and compatibility practices, resolves technical dependencies, and mentors engineers. The role requires at least three days per week onsite in Berlin.

Owns architecture and development for automotive over-the-air software update systems, including firmware delivery, ECU configuration, compatibility validation, rollback, and cloud interfaces. Leads Germany-site technical direction, collaborates with Palo Alto teams, drives architecture and delivery, mentors engineers, and resolves complex cross-layer issues. The role requires extensive C++ and Rust expertise, embedded Linux experience, automotive communication protocols, secure software delivery knowledge, and occasional travel.

Lead the architecture and development of large-scale network automation platforms, including APIs, Kubernetes controllers, reconciliation workflows, distributed systems, and multi-tenant infrastructure capabilities. Establish engineering standards for testing, observability, deployment safety, migrations, and schema evolution. Provide technical leadership across teams, drive architectural alignment, mentor engineers, and build reliable software that manages global production network infrastructure.

Build and own consumer-facing iOS ordering experiences covering cart, checkout, payments, delivery fees, vouchers, and order history. Develop with Swift, SwiftUI, and modular architecture; contribute across Android and backend systems when needed. Lead technical design, testing, code reviews, observability, incident resolution, and production releases. Use AI coding agents, improve agent tooling, mentor engineers, protect customer data, and collaborate with product, design, and analytics teams to improve customer outcomes.