421 backend developer English-speaking jobs in Berlin

services, and backend APIs. ... Your key responsibilities Lead the overall QA strategy for Web Frontend, Backend services, and native ... Establish and scale automated testing across both Frontend and Backend, including UI, API, and mobile ... Your skills and experiences Extensive experience in automated testing for Web Frontend, Backend APIs/ ... environments covering UI, API, contract, integration, performance, and mobile testing across Frontend and Backend

We’re hiring a Senior Software Engineer (Backend/LLM Infrastructure) to build and operate the backend ... Requirements 4–6+ years of backend or full-stack engineering experience with Python/FastAPI/LangGraph

As we scale, we're investing heavily in developer experience, automation, and productivity. ... automation Mindset You optimize for leverage, not ticket throughput You care deeply about developer ... performance testing, distributed tracing, load testing Designed integration/testing frameworks or developer ... event-driven systems, and CI/CD Hands-on with Docker, Kubernetes, AWS, and modern observability stacks Developer ... automated validation infrastructure Implement foundations for deterministic, automation-gated deployments Developer

Drive backend performance through testing, monitoring, and robust CI/CD practices. ... Build and evolve our Backend for Frontend (BFF) layer to meet mobile-specific needs. ... Senior Backend Engineer, App (m/f/d) About Redcare Pharmacy: As Europe’s No.1 e-pharmacy, Redcare Pharmacy ... About the role: We are looking for a Senior Backend Engineer (m/f/d) to join our App team and help build ... This role is critical in ensuring high performance, scalability, and reliability of our backend systems

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

testable code, adhering to best practices and coding standards Design, develop, and maintain Tier-1 backend ... help create reliable, scalable, and efficient solutions that enhance both our platform stability and developer

In this role, you’ll take ownership of frontend architecture while also contributing to backend endpoints ... and evolve frontend architecture, ensuring high code quality and performance Design and implement new backend ... APIs/endpoints Comfort working across the stack and understanding how frontend and backend systems interact ... understanding of frontend architecture, performance, and state management Experience designing and implementing backend

teams Triage bug reports and implement urgent hotfixes as needed Collaborate across the stack with ML, Backend ... refine the roadmap, and shape the product from a technical perspective Coordinate and align the entire backend ... working with Postgres or an equivalent SQL database Excellent understanding of Python and contemporary backend ... deployment and release process, ensuring stability and performance Own the design and maintenance of the backend

Job Description What You’ll Be Responsible For: Designing, building, and maintaining backend systems ... Demonstrated problem-solving ability, validated through a paid C++ and PHP technical challenge Strong backend ... Non-Negotiable): Expert-level proficiency in both C++ and PHP Clear commitment to C++ and PHP as long-term backend

Job Overview Wargaming is looking for a Render Developer to join our Game Engine Development team.

Principal Product Manager for our Site Reliability Engineering (SRE) team, a key part of our internal Developer ... understanding of platform engineering, Site Reliability Engineering (SRE) principles, and the modern developer ... Demonstrate data fluency by defining and analyzing metrics related to system reliability, performance, and developer

As a Backend Engineer, you’ll help modernize existing systems while balancing innovation with stability ... You’ll be great for this role if You have solid backend experience building reliable, high-volume services

🎯 Nice to Have Experience building developer-facing APIs, SDKs, or tooling. ... challenges for our customers: ingestion, storage, performance, reliability, observability and AI-assisted developer

C++ Software Developer (m/f/d) JETZT BEWERBEN ... direct placement (initially limited to two years) at the Berlin location (50% remote)  C++ Software Developer

reliability, and reduce manual ops effort Ship small-to-medium features across frontend workflows, backend ... Must-haves Strong JavaScript fundamentals, comfortable working across backend scripts and browser-based ... to geospatial, routing, or map-based products Familiarity with serverless functions or lightweight backend ... understanding of relational databases (Postgres) and safe schema evolution Experience working with a backend ... evolving) A workflow-oriented product UI augmented with custom JavaScript components A Postgres-based backend

This position offers a daily rate and focuses on delivering high-value increments for developer platforms ... Technical Background: Hands-on experience working with engineering teams on developer platforms, CI/CD

Solid backend experience building APIs and services in Python (or a comparable backend language). ... Design and implement backend services and APIs using TypeScript and Python.

Your Story You have 4+ years of professional experience working with backend focused full-stack development ... applications) and considering design patterns and best practices (event driven systems, clean architecture, backend

Our team is growing, and we’re looking for a versatile Senior Backend Engineer - Claims (m/f/d) to ... You will design and build solutions involving APIs, backend logic and AI-augmented processing, ensuring ... scalable claims automation architecture aligned with long-term business and product goals, involving backend

business performance; Architect & Build: Design, develop, and operate high-throughput, low-latency backend ... React Web, Native React, iOS, and Android) to offer the best experience to our users, aligned with the backend ... Qualifications Extensive experience in backend software engineering, with a proven track record of designing ... agents like GitHub Copilot, Gemini CLI, Claude Code, or similar tools; Proven ability to convey complex backend