senior java backend engineer java 21 spring boot Jobs in Berlin

What are the main performance objectives in this role?This role sits inside our 5-person Engineering team, running the high-volume data platform behind our mobile OEM advertising business: nightly ETL pipelines pulling from 10+ mobile attribution and ad-network partners (AppsFlyer, Adjust, Everflow, Kochava, Huawei, Xiaomi, Oppo, Vivo, Mintegral), an Amazon...

Du hast Spaß an technischer Kundenberatung und setzt komplexe CIAM-Lösungen souverän um? Du möchtest nicht nur selbst entwickeln, sondern auch Verantwortung für ein Team übernehmen und technische Standards aktiv mitgestalten? An unseren Standorten in Berlin-Kreuzberg und Karlsruhe suchen wir erfahrene Unterstützung als Senior Developer / Teamleiter...

Intro Bist du bereit, die Brücke zwischen Kundenanforderungen und technischer Umsetzung zu schlagen? Als Solution Architect für Full-Stack & Cloud-Native bist du bei DEMICON Architekt:in und Dirigent:in zugleich: Du verantwortest Lösungen end-to-end, orchestrierst ein verteiltes Team und wählst pragmatisch zwischen unseren Standardplattformen und...

Du hast Spaß an technischer Kundenberatung und setzt komplexe CIAM-Lösungen souverän um? Bei uns übernimmst du Verantwortung in spannenden Kundenprojekten und bekommst gleichzeitig die Möglichkeit, dich perspektivisch in Richtung Team Lead weiterzuentwickeln. Für unsere Standorte in Berlin-Kreuzberg und Karlsruhe suchen wir erfahrene Unterstützung...

Your challengeAs a Senior Full Stack Software Engineer (all genders), you will play a key role in building and evolving Hubject's cloud-native eMobility platform. Working across backend, frontend and cloud infrastructure, you will design, develop and operate scalable, secure and high-performing applications that power electric mobility worldwide. You will...

Gestalten Sie die technologische Zukunft einer komplexen Anwendungslandschaft aktiv mit und treiben Sie die Modernisierung zentraler Softwarelösungen im digitalen Gesundheitswesen voran.Als Senior Software Architekt (m/w/d) analysieren Sie bestehende Systeme, identifizieren technische Schulden und entwickeln nachhaltige Zielarchitekturen für eine...

We are looking for a skilled and motivated Consultant to join our team. The ideal candidate combines strong software engineering expertise with hands-on experience in modern AI systems, including agentic AI and generative AI applications. You will support our clients in designing and building intelligent, production-ready systems that leverage LLMs,...

Company DescriptionAbout Redcare Pharmacy:As Europe’s No.1 e-pharmacy Redcare Pharmacy is powered by passionate teams and cutting-edge innovation. We strive to create a healthy collaborative work environment where every employee feels valued and inspired to contribute to our vision “Until every human has their health”. If you’re seeking a career that...

Overviewgetpress entwickelt eine eigene KI-Agenten-Plattform (LangGraph, PostgreSQL, Next.js) für die PR-BrancheDer Servicemarkt, von Legal über Consulting bis hin zu Agenturen, steht vor der größten Transformation der Geschichte. Gleichzeitig wird der milliardenschwere PR-Markt im Zeitalter von AI-Visibility gerade immer wichtiger. getpress, eine der am...

At Flix, we offer a tech-driven environment where innovation meets real-world impact, with competitive pay, strong growth opportunities, and a culture of collaboration and ownership.   We’re looking for a skilled Senior Software Engineer to join our high-impact team Orion – Supply Division and help us shape the future of mobility operations....

At JetBrains, code is our passion. The Kotlin plugin for IntelliJ IDEA is where language meets experience — it's how hundreds of thousands of developers write, navigate, refactor, and understand Kotlin code every day. Being able to continuously improve it means understanding the language deeply, using the product daily, and deeply caring about Kotlin...

THE ROLE & THE TEAMLounge by Zalando is an online shopping club for fashion and lifestyle products, serving millions of members across 20+ European markets through daily, time-limited sale campaigns. The Growth & Lifecycle team is the growth engine of Lounge — building the services that communicate compelling offers to millions of users daily, making sure...

Job Description:Deutsche Bank Technology in BerlinDB Technology is a global team of tech specialists, spread across multiple trading hubs and tech centres. We have a strong focus on promoting technical excellence – our engineers work at the forefront of financial services innovation using cutting-edge technologies.Our Berlin location is our most recent...

DescriptionWe are looking for a Tech Lead (d/f/m) to join a newly assembled team that is part of a new initiative at the heart of our Kleinanzeigen strategy: Give users, who pay to promote their listings, the best possible value and insight. For this to work, we have the exciting challenge to build an intelligent campaign delivery system at a massive scale -...

UnternehmensbeschreibungStröer Connections – Mit unseren Ideen finden Menschen zueinander.Seit 2002 ist StayFriends die führende Website zum Wiederfinden von Schulfreunden in Europa. Als Service der Ströer Connections GmbH bietet das Portal Lebensfreunde der Generation 50+ seit 2018 einfach und sicher die passende Begleitung für alle Lebenslagen. Die...

Du interessierst dich für die Frage, wie sich digitale Identitäten sicher und nutzerfreundlich gestalten lassen – und willst das gemeinsam mit Kunden in die Praxis bringen? Unser Team bei amiconsult begeistert Kunden mit technisch sauberen Lösungen und wächst im dynamischen IAM-Umfeld gemeinsam. Du findest uns in Berlin-Kreuzberg und Karlsruhe. Bei...

About us Zenjob is an AI-powered flexible staffing platform that has efficiently connected companies and temporary workers since 2015. Companies use our platform to book ready-to-work staff in real time, while students use our app to find part-time jobs that conveniently fit around their studies. Over 40,000 students and 1,000 partner companies from...

Job Description:About the jobDeutsche Bank Technology in Berlin DB Technology is a global team of tech specialists, spread across multiple trading hubs and tech centres. We have a strong focus on promoting technical excellence – our engineers work at the forefront of financial services innovation using cutting-edge technologies. Our Berlin location is...

At Superchat, we're rebuilding how businesses talk to their customers. The phone call, the contact form, the support ticket: all of it is being replaced by messaging and AI. We're building the platform that runs underneath. Founded in 2020, Superchat has become the platform of choice for 10,000+ businesses worldwide, from globally recognized brands like...

ABOUT TIDE At Tide, we help SMEs save time and money in the running of their businesses by not only offering business accounts and related banking services, but also a comprehensive set of highly usable and connected administrative solutions, from invoicing to accounting. Tide is transforming the small business banking market and now supports over 2 million...