946 backend developer English-speaking jobs in Germany

findings into actionable technical improvements 3+ years of experience building scalable, low-latency backend ... ranked data (merging, deduplication, score blending, and latency trade-offs) You're excited to bridge backend

We are seeking a talented Software Developer Engineer to join the circuit simulation team inside DES. ... tools, software infrastructure, engineering infrastructure, and developer productivity solutions for ... Depending on your experience and interests, your work may include product feature development, developer ... work closely with software engineers, architects, and technical leaders to improve product quality, developer ... · DevOps & Build Engineering – Build systems, CI/CD, dependency management, release automation, and developer

You will work across both frontend and backend, building both customer-facing features and appraisal ... engineering experience Experience building and shipping web applications Willingness to work across frontend, backend

Our tech stack Backend: Python 3.13, FastAPI (primary production API, 123+ endpoints); TypeScript 5, ... Hono, Bun (new backend in active development) Frontend: TypeScript, React, Next.js 16 Database: PostgreSQL ... will design robust PostgreSQL data models, deploy production-grade AI features, and lead our strategic backend ... RESTful APIs in FastAPI (Python) and Hono (TypeScript/Bun) Drive the active migration from our Python backend

Java and Rust on the backend, React and TypeScript on the frontend. ... Bonus Experience at a B2B SaaS or developer-tools company Exposure to incident management, DevOps,

Build scalable, maintainable backend systems using FastAPI and modern Python tooling. ... Experience with modern AI developer tools (e.g., Cursor, Claude Code, Copilot, etc.).

ownership of a product, and seeing your changes move real business metrics 5+ years of experience with backend ... intuition for sorted data, deduplication, latency trade-offs, and constraint logic You're excited to bridge backend

Web).It’s a senior, technically involved position focused on owning software delivery across mobile, backend ... responsibilityHigh-impact role at the centre of engineering, product, and deliveryWork on complex systems spanning mobile, backend

100ms p99) data flows for ad selection and pricing systemsClose collaboration between Data Science, Backend ... working with distributed systems, event-driven architectures, and high-throughput data pipelines.Strong backend

comfortable operating APIs that scale to 10k+ rps under strict latency SLOs You're excited to bridge backend ... seeing your changes directly impact customer engagement 3+ years of experience building high-throughput backend

comfortable operating APIs that scale to 10k+ rps under strict latency SLOs You're excited to bridge backend ... seeing your changes directly impact customer engagement 3+ years of experience building high-throughput backend

development—owning the backend, shaping architecture, and mentoring the team. ... Security: Awareness of security best practices for frontend and backend development, particularly when ... As our Senior Full Stack Backend Engineer (all genders), you’ll be responsible for secure, scalable feature

You are not shy of backend development. API design is your bread and butter. ... Backend experience in Python (we use FastAPI) or any JVM Language (we use Scala). ... What You’ll Be Doing Own features end to end across iOS, Android and backend, from the idea to the thing ... this role We need a senior engineer who can build across the whole Replika product: iOS, Android and backend

and frontend teams Migrate backend services to the cloud ensuring scalability, resilience, and security ... Drive the design and development of modern React-based web interfaces and their integration with backend ... largest trading platforms Enforce architectural principles, coding standards, and best practices across backend ... engineering at scale (React, TypeScript, testing frameworks, performance optimization) Advanced knowledge of backend

As a Data & Backend Software Engineer, you will help transform large volumes of structured and unstructured

findings into actionable technical improvements 3+ years of experience building scalable, low-latency backend ... ranked data (merging, deduplication, score blending, and latency trade-offs) You're excited to bridge backend

Center, Data or our API, together with a small team of engineers and client relations, end to end across backend ... modern office in Hamburg What you bring You have experience building and running web applications, backend ... Our tech stack Backend: Ruby on Rails, Elixir Frontend: Elm, Tailwind CSS Database: PostgreSQL Infrastructure

Center, Data or our API, together with a small team of engineers and client relations, end to end across backend ... Hamburg What you bring You have solid experience building and running complex web applications, backend ... Our tech stack Backend: Ruby on Rails, Elixir Frontend: Elm, Tailwind CSS Database: PostgreSQL Infrastructure

Nice to havesInitial experience with Java or backend development Interest in data visualization or 3D ... using PrimeNG and Plotly.js Support the integration of APIs and the connection between frontend and backend ... responsibilities Support the development and enhancement of web frontends using Angular and TypeScript and backend

Build developer tooling, CI/CD, and observability for safe, fast iteration (evals, canaries, rollout/ ... Expert in at least one, and proficient across the others: AI Agent development and evaluation Backend