senior java engineer distributed systems remote Jobs in Berlin

We’re working with a fast-growing AI company looking for a Senior FastAPI / Python Engineer to take ownership of the backend powering its AI products. You’ll build the APIs, data pipelines and orchestration layer connecting the product with LLMs, working across retrieval, tool-calling, response streaming and long-running background jobs. This is far...

We’re working with a fast-growing AI company looking for a Senior DevOps Engineer to take ownership of the infrastructure behind its production AI platform. You’ll work across Azure, Kubernetes, Terraform, Helm and CI/CD, solving challenges around scalability, reliability, security and running AI workloads in production. You’ll have genuine ownership...

Perplexity is looking for an Infrastructure Engineer to own and improve the backend systems behind our latency-sensitive search stack. You’ll work across high-QPS Rust and Go services, distributed retrieval systems, cloud infrastructure, observability, and deployment tooling. This role combines infrastructure expertise with software engineering....

We’re working with a fast-growing AI company looking for a Senior Retrieval / RAG Engineer to take ownership of the retrieval layer at the heart of its production AI platform. You’ll own everything from document ingestion, chunking and embeddings through to hybrid search, reranking, evaluation and agentic retrieval. This is a highly hands-on role where...

Senior Rust Engineer - Remote Kake is a remote-first company and a people-first global community of senior engineers. Kake engineers are behind some of the world’s most innovative products (Brands you’ve heard!), from Fortune 500 to fast-growing companies. We believe it’s not where your table is, but what you bring to the table that matters. Our...

**Job description** mobile.de is Germany’s largest vehicle marketplace, with more than 1.6 million listed cars, commercial vehicles, motorcycles, and e-bikes (annual average 2025). Both private customers and registered vehicle dealers use the platform and benefit from more than 140 million visits per month\*. As a “one-stop shop,” mobile.de’s...

Description EC2 is seeking an experienced Principal Engineer to drive technical excellence across our Nitro System organization. You will architect the future of EC2 virtualization, leading innovation in the Nitro Hypervisor, Instance Features including Nitro Enclaves and Confidential Computing, Nitro Card virtualization components, and the engineering of...

- We are hiring a backend-leaning Tech Lead to lead a team of 3-4 engineers and own the tech for a part of Superchat’s product - This is a hands-on leadership role: You’ll spend roughly half your time designing and building software and the other half enabling your team to perform at its best. Work directly on architecture, development and important...

Wir suchen Senior Java Software Engineer / Backend Developer – Railway (m/w/d) in Berlin Senior Java Software Engineer / Backend Developer – Railway (m/w/d) ArbeitsortBerlin ArbeitszeitVollzeit Vertragunbefristet Beginn2026-09-10 Vergütung Projektstart: November 2026Projektende: Mai 2028 AufgabenbeschreibungEntwurf und Implementierung von...

Who we are Helsing is a defence AI company. Our mission is to protect our democracies. We aim to achieve technological leadership, so that open societies can continue to make sovereign decisions and control their ethical standards.  As democracies, we believe we have a special responsibility to be thoughtful about the development and deployment of powerful...

**Your Impact** We are looking for a **Senior Site Reliability Engineer** to join our SRE team dedicated to platform reliability within Platform Engineering. Your mission will be to ensure Doctolib's platform remains reliable, scalable, and resilient at a European scale across infrastructure, observability, and cross-cutting reliability initiatives. You...

Senior Machine Learning Engineer (all genders) - Babbel Labs About Babbel Labs Babbel Labs is building the future of language learning. We are an AI-first, independent company within the Babbel group, based in Berlin. Our teams bring AI, research and product together to ship experiences that set a new standard for how people learn. The role Babbel's...

Company Description Everyone’s story matters. Come shape your story with us at Riverty. But where does that take you? To one of our 30 hybrid workspaces – designed for exchanging ideas, learning from others, and shaping the way we work. An international community of over 4,000 people, representing almost 80 nationalities across 11 countries. United by...

IntroUnsere Senior Consultants führen komplexe Atlassian-Projekte und Cloud-Migrationen. Du hältst das Fundament stabil – durch zuverlässigen Betrieb der Systeme unserer Kunden und operative Aufgaben im Application Management bei unseren Kunden. Deine Arbeit schafft den Raum, in dem Beratung auf höchstem Niveau erst möglich wird.Was wir bieten Fully...

Company Description Everyone’s story matters. Come shape your story with us at Riverty. But where does that take you? To one of our 30 hybrid workspaces – designed for exchanging ideas, learning from others, and shaping the way we work. An international community of over 4,000 people, representing almost 80 nationalities across 12 countries. United by...

At JetBrains, we create intelligent tools that help developers work smarter. For more than 25 years, our products – including IntelliJ IDEA, PyCharm, WebStorm, Rider, TeamCity, and many others – have been shaping the global software ecosystem. Millions of developers and thousands of companies worldwide rely on JetBrains tools to build, ship, and scale...

Senior Data Engineer (Analyst/Scientist) - Remote Kake is a remote-first company and a people-first global community of senior engineers. Kake engineers are behind some of the world’s most innovative products (Brands you’ve heard!), from Fortune 500 to fast-growing companies. We believe it’s not where your table is, but what you bring to the table...

Maybe you call yourself a Senior Data Engineer, a pipeline architect, a "why-is-this-TOS-data-a-mess" specialist… or maybe you just call yourself Sam. Whatever you call yourself, you'll join Terminal.exe, All Your BI's AI-native data platform for container terminal operators, and build the core of it: the pipelines and data model that turn fragmented,...

Your MissionAt Ratepay, we develop next-generation payment solutions that power the checkout experience for some of Germany’s largest online retailers and marketplaces. As a Senior Software Engineer (m/f/d), you’ll play a key role in building secure, scalable, and user-friendly Buy Now, Pay Later products in a dynamic and fast-growing e-commerce...

The Sidekick team builds and owns the progressive web app that SumUps field sales agents rely on every day, a tool that brings together everything a seller needs in one place: creating offers on the go, signing up new merchants, managing hardware sales, and tracking commissions in real time. It's one of our most impactful internal products, sitting at the...