Top Software Engineer Jobs in Berlin

Build and own ABOUT YOU’s modern data platform, including Dagster, dbt, AWS ECS, and Google BigQuery infrastructure. Maintain high-volume ELT pipelines moving terabytes of data from MySQL to BigQuery while protecting source-system performance. Deliver critical executive reports and develop tooling for monitoring, data quality, connectors, cost control, testing, CI/CD, and cataloging. Collaborate pragmatically with engineering and business stakeholders using strong software engineering, SQL, Python, and communication skills.

Develop and maintain Node.js and TypeScript microservices connecting internal and external systems. Lead technical decisions, shape team strategy, and manage authentication and authorization using OAuth and Auth0. Design and optimize SQL databases, especially PostgreSQL, apply ORM solutions, and build automated tests. The role emphasizes ownership, production-ready delivery, technical leadership, and collaboration during occasional Berlin gatherings.

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

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.

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.

Own and operate platform infrastructure and deployment lifecycle. Architect and maintain CI/CD pipelines, manage cloud and containerization strategies, implement observability, and debug full-stack system issues. Ensure security, scalability, and reliability while collaborating with core engineers in a high-intensity startup environment.

The Software Engineer at Helsing will develop AI-based capabilities, maintain software stacks, mentor peers, and collaborate on tech solutions to support mission-critical projects.

Design and implement core server and client extension logic to run DuckDB locally and in the cloud. Lead projects across execution, resource allocation, and reliability; optimize embedded database performance and distributed execution; collaborate with frontend, platform, and infrastructure teams; debug production issues with support; mentor engineers and contribute to DuckDB community and documentation.

Lead rapid end-to-end prototyping of LLM-powered agent systems: build working prototypes, design experiments measuring quality/latency/cost/user impact, validate with users, produce reference implementations, and hand off to product teams to inform roadmap decisions.

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.

Performs software and system safety analyses for autonomous vehicle platforms, including HARA, FMEA, FTA, STPA, freedom-from-interference, and code-level hazard evaluations. Derives and traces safety requirements, defines fail-safe mechanisms, reviews safety-critical C++ and Python code, supports safety-case development, and collaborates with robotics, hardware, systems, software, and test teams to verify compliance and enable airport deployment.

Build and operate scalable payment systems for Cloudbeds’ global hospitality platform. Responsibilities include developing PHP applications and event-driven microservices, integrating secure partner APIs, optimizing databases, using modern cloud infrastructure, and applying observability, automated testing, security, and compliance best practices. The role requires collaboration with engineers, leadership, and nontechnical stakeholders on highly visible projects.

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.

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

Lead development of high-volume, low-latency Maps API services and distributed ETL pipelines. Design scalable systems, make architectural decisions, build and deploy microservices, diagnose complex production behavior, and promote operational excellence through testing, monitoring, documentation, and on-call support. Mentor engineers, facilitate design and code reviews, reduce technical debt, improve performance, and deliver reliable mapping tools for global customers.

Provides company-wide technical leadership across software systems, operations, data platforms, and AI. Shapes resilient distributed systems, shared platforms, migrations, and cross-organizational technology direction. Delivers hands-on solutions for high-stakes engineering challenges, advances operational excellence, mentors engineers, leads technical communities, and evaluates emerging technologies through Zalando’s Tech Radar.

As a Senior Python Engineer, you will develop scalable backend infrastructure, implement features, and ensure code quality through TDD and CI/CD practices.

Staff Software Engineer responsible for leading architectural evolution across a distributed rendering platform, contributing to core backend systems, and improving performance, reliability, scalability, testing, and delivery practices. The role includes mentoring engineers through pairing and design reviews, unblocking teams, shaping technical strategy, improving CI/CD and tooling, and aligning engineering investments with product and business goals.

Build and maintain integrations for North's agentic platform, own the end-to-end integration pipeline, create evals and tests to ensure reliability, tune tool descriptions, and help other engineers add and maintain integrations while using AI responsibly to improve performance and quality.

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.

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.

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.

As a Senior Software Engineer at Upvest, you will develop and enhance their Investment API, leveraging modern technologies in a collaborative product team environment.