Senior Backend Engineer
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- Entwicklung der Search Engine hinter ABOUT YOU mit Fokus auf Query Understanding, Entity Resolution und semantischer Vektorsuche in Node.js/TypeScript
- Kombination von OpenSearch-Relevanz, Embedding-Similarity und verhaltensbasierten Re-Ranking-Signalen zu einheitlichen und relevanten Suchergebnissen
- Aufbau und Weiterentwicklung von Search-Index-Pipelines für Entities, Synonyme und k-NN-Produktvektoren, die Daten aus BigQuery in OpenSearch übertragen
- Integration von LLMs und Embedding-Modellen wie Gemini und Vertex AI unter strengen Latenzvorgaben – inklusive Caching- und Fallback-Mechanismen
- Sicherstellung der Suchqualität durch Golden Lists, Regression Suites und kontinuierliche A/B-Experimente
- Mitgestaltung der Architektur gemeinsam mit unserem Tech Lead sowie enge Zusammenarbeit mit Data Analysts, Engineers und Product Managern
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Senior Backend Engineer
Vor 3 Tagen
Berlin, Berlin, Deutschland Mitte Vollzeit 90.000 € - 130.000 € VertragWe're looking for a Backend Engineer to build the robust backend that powers our AI creativity platform. You'll develop scalable APIs, real-time systems, and infrastructure that handle millions of requests, ship reliable features daily, and architect systems that make complex AI workflows seamless for our users. As a founding team member, you'll have massive...
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Senior Backend Engineer
Vor 3 Tagen
Berlin, Berlin, Deutschland BlueThrone VollzeitBuild systems, not just services. Work across products, not inside one codebase. Own problems from first question to production.The roleWe run a portfolio of mobile products used by millions of people.Our engineering team works across that portfolio.You won't join a permanent team attached to one app. You might spend your first few weeks improving the...
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Senior Backend Engineer
Vor 4 Tagen
Berlin, Berlin, Deutschland GLS/NXT Vollzeit 90.000 € - 130.000 € VertragJoin GLS/NXT as a Senior Backend Engineer and help shape the future of out-of-home delivery. We’re building the OOH Platform - a scalable system that empowers carriers across multiple countries to deploy, manage, and optimize parcel locker networks with ease. At GLS/NXT, you’ll work at the intersection of startup energy and enterprise muscle - moving...
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Senior Backend Engineer
Vor 2 Tagen
Berlin, Berlin, Deutschland Sumup VollzeitAbout the team:The MarTech team builds the marketing and growth systems that help SumUp reach more merchants around the world. We combine backend engineering, data engineering, data science and external marketing platforms to create reliable, scalable solutions that improve conversion, increase operational efficiency and unlock new acquisition channels.Our...
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(Senior) Backend Engineer – Golang
Vor 24 Stunden
Berlin, Berlin, Deutschland 7NXT GmbH VollzeitThe essentialsTeam: Product & EngineeringStart date: As soon as possibleLocation: Berlin — hybrid, 3 days in the officeWorking language: English (German: a plus)Salary band: Shared before your first interviewYour impactAs (Senior) Backend Engineer at Gymondo, you build and improve the scalable backend systems that power our platform for hundreds of...
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Senior Backend Engineer
Vor 24 Stunden
Berlin, Berlin, Deutschland Sumup VollzeitAbout the Run & Grow:Run & Grow is where SumUp builds the platforms and capabilities that help merchants discover, join, use, and continue growing with our products. The tribe brings together engineering, product, design, and revenue operations teams around two connected goals: helping SumUp serve and retain merchants, and accelerating acquisition,...
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Senior Backend Engineer
Vor 2 Tagen
Berlin, Berlin, Deutschland GeneralMind VollzeitAbout GeneralMindGeneralMind builds AI Systems of Action for complex enterprise workflows. We deploy AI employees that automate messy operational handovers across supply chains - processing orders, validating invoices, coordinating suppliers, and handling exceptions directly on top of enterprise systems like SAP, Oracle, JDE, and Dynamics.Our platform...
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Senior Backend Engineer
Vor 24 Stunden
Berlin, Berlin, Deutschland Verbi Software GmbH VollzeitJoin our VERBI Team as a Senior Backend Engineer (m/f/x)! We are VERBI Software GmbH – the company behind MAXQDA – the #1 software for qualitative and mixed methods data analysis. We provide researchers, universities, and companies with an innovative and intuitive tool so they can accomplish great things. Professional service and a close connection to...
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(Senior) Backend Engineer
Vor 7 Stunden
Berlin, Berlin, Deutschland Legalhero GmbH VollzeitWhat You'll DoBackend engineering at Legal Hero means full ownership. You'll design and run services in our Kotlin/Java stack with Micronaut on AWS, wire LLM capabilities reliably into product flows, harden production systems, and actively shape our testing, deployment, and observability practice — together with a team that takes the craft seriously.Design...
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Senior Backend Engineer
Vor 20 Stunden
Berlin, Berlin, Deutschland ABOUT YOU SE & Co. KG VollzeitJob DescriptionShape how millions of users see products by blending ML model outputs with business logic (like campaign boosts or sponsored items)Build and own our high-throughput ranking engine ("Spotsetter") to ensure fast, deterministic, and fair product sortingDesign reliable batch write pipelines that stream data from BigQuery straight into...