Stellenangebote für: - SENIOR BACKEND ENGINEER

Stellen-ID: 62027 ab sofort und in Vollzeit an unserem BWI Standort in Berlin, alternativ in München. Stellenbeschreibung Sorgen Sie gemeinsam mit uns für die digitale Zukunftsfähigkeit der Bundeswehr. Als primärer Digitalisierungspartner der Bundeswehr erbringen wir stabile, sichere und effiziente IT-Services im In- und Ausland, vom Grundbetrieb bis in den einsatznahen Bereich und tragen so zur kontinuierlichen Erhöhung der Führungs- und Einsatzfähigkeit der Bundeswehr bei. Mit über 7.700 Kolle...

Was dich erwartet Du entwickelst und betreibst skalierbare Backend-Services in Java (11–17, zukünftig 21) mit Spring Boot, nutzt JPA/Hibernate und führst Unit- sowie Integrationstests nach Clean-Code- und TDD-Prinzipien durch. Du konzipierst und implementierst Microservices und APIs, die besonders sicher, skalierbar und performant sind. Du arbeitest mit Cloud- und Container-Technologien (Docker, Kubernetes, OpenShift, AWS oder Azure), implementierst CI/CD-Pipelines mit Jenkins und GitLab und set...

Your mission As a Senior Backend Engineer, you'll be instrumental in designing and scaling the systems that power our Ad-Tech platform including high-throughput tracking pipelines. You'll work alongside data scientists, product specialists, and frontend developers to drive measurable impact across millions of daily user interactions. Architect and build high-scale backend systems to power real-time decision-making, ad delivery, and performance tracking. Design efficient APIs and services that se...

Bonrepublic is an HR software platform that combines goals, recognition, development and incentives to motivate and retain employees. We dream of a world in which the development of employees in organizations is systematically promoted and strategically managed. Bonrepublic was founded in 2020 and has already made this dream a reality for employees across Europe. To drive our dream further, we are looking for support for our team of 25 employees in our Vienna office. As the newest part of the HR...

Imagine a world where sustainable mobility solutions redefine urban travel. A future where people prefer connected mobility services over personal vehicles for faster, simpler, and more affordable journeys. Envision a seamless integration of mobility services with daily activities: choose and pay for your transport ticket while booking a hotel or flight, all in one smooth process. At work, you're empowered with a mobility budget, accessible through an app, allowing you to choose from various tra...

Du bist interessiert an komplexen und sicherheitsrelevanten Anwendungen? Wir begleiten große Projekte im Bereich Transportwesen und Logistik und unterstützen Unternehmen dabei, moderne und skalierbare IT-Infrastrukturen aufzubauen. Unsere Schwerpunkte liegen auf Echtzeit-Datenverarbeitung, Microservices-Architekturen und Streaming-Technologien. Gemeinsam gestalten wir innovative Lösungen, die die Zukunft der Mobilität und des Transports sicher und effizient machen. Aufgaben • Entwicklung und Bet...

We simplify Bitcoin. Founded in 2021 in Salzburg, we're a leading Bitcoin investment platform that aims to help people trust themselves enough to build their financial freedom -- with Bitcoin. In 2023, the German Volksbank Raiffeisenbank Bayern Mitte acquired a stake in 21bitcoin to help build the Bitcoin financial platform of the future. So if you're someone who thinks big, moves fast and wants to make an impact right from day one, then get ready to join our industry-changing team. Let's go! Th...

Unser Mandant ist ein etabliertes mittelständisches Technologieunternehmen mit rund 150 Mitarbeitern, das innovative Hardware- und Softwarelösungen für den öffentlichen Mobilitätssektor entwickelt. Sie arbeiten in einem zukunftssicheren Umfeld an komplexen Vertriebs- und Managementsystemen, die täglich von tausenden Menschen genutzt werden. In dieser hybriden Rolle aus DevOps und Backend-Entwicklung sind Sie ein zentraler Baustein für die Modernisierung der Systemlandschaft. Ihre Aufgaben: Infra...

About NEWWORK NEWWORK is building the world's first AI-native ERP platform: modular, FLOW-orchestrated, and people-centric. Our mission is to redefine ERP -- from rigid, siloed systems of record to a dynamic System of Work that proactively assists, automates, and learns. With modules like HR+, MAP OrgChart, Expenses+, and Finance+, we deliver a unified, intelligent ERP ecosystem that runs enterprises in real time. Tasks Role Summary As a Backend Engineer (Core Platform), you'll design, build, an...

Job ID: 282486 Company: Riverty Group GmbH Location: Berlin 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 one mission: Combining empathy, advanced technology and data-driven insights to keep people and businesses...

We're building the next level B2B lead generation platform through state-of-the-art AI Systems and data intelligence. For this we've built a data pipeline keeping tens of millions of company records up-to-date. Based on company specifc signal combinations, we're helping companies discover their next big opertunities before their competitors do. Tasks Main Responsibilities Design and develop microservices for processing millions of web data points daily Optimize and maintain data pipelines that t...

We're on a mission to reshape how companies provide Corporate mobility to their employees. As a fast-growing SaaS startup in the mobility tech space, we help modern employers offer smart, flexible, and sustainable commuting solutions to their teams -- from public transit to bike leasing and shared mobility services.Backed by forward-thinking investors and trusted by top enterprise clients, we're about to scale rapidly across Europe. We are looking for a Senior Backend Engineer to continue develo...

1KOMMA5° We seek a highly skilled Senior Backend Software Engineer to join our growing tech team. 1KOMMA5° is building Germany's largest one-stop-shop for sale, installation, and services related to solar, heat pumps, electricity, and charging infrastructure. And they are all connected! Be a part of our mission! Learn about our Product & Tech team! Your mission As a member of the B2C domain, you will build a virtual power plant leveraging our energy manager "Heartbeat", and continuously ship inn...

We are redefining how suppliers meet the compliance requirements of their business customers. Our mission is to put the tedious and error-prone communication of compliance data on autopilot. Our AI systems handle the manual and repetitive tasks for our customers, allowing them to focus on their core business. Our engineering team is at the heart of this mission. We are building a forward-thinking platform that doesn't just process data, but learns, anticipates, and automates. If you want to thri...

Our Mission We believe in a future where organizations don't lose their valuable energy to paperwork but can fully invest it in their people. With DokuMe, we create structures that connect people, simplify processes, and actively drive the digital transformation in organized sports. About DokuMe & Our Standards DokuMe is a modular platform that supports clubs, associations, and sports organizations in digitizing their administration, communication, and organization. We develop practical software...

Als führender Anbieter von IoT Plattformen bieten wir dir mehr als nur einen Job. Seit unserer Gründung 2016 in Hamburg haben wir eine klare Vision: Mit dem Internet der Dinge die B2B-Welt effizienter, nachhaltiger und digitaler zu gestalten. Heute vertrauen viele nationale und internationale Kunden auf unsere Lösungen - darunter vor allem Netzbetreiber und Stadtwerke in Deutschland sowie internationale Großkunden aus Industrie und Facility Management. ‍ Bei uns erlebst du die perfekte Kombinati...

What if parking was no longer a hassle? What if city infrastructure worked for people, not against them? We believe city mobility should be smooth, smart, and sustainable. At Peter Park, we're turning outdated parking infrastructure into digital ecosystems, with real-time data, modern cloud architecture, and a team of people who care deeply about quality and user experience. Our backend systems power thousands of parking lots across Europe, replacing tickets, barriers, and waiting with seamless ...

1KOMMA5° At 1KOMMA5°, we are building Europe's leading clean energy operating system -- connecting solar, heat pumps, energy storage, and charging into one unified platform. As Senior Backend Engineer (Typescript) - Heartbeat AI (m/f/d), you will own the technical architecture behind how we manage, automate, and connect contracts and energy partner integrations across the Heartbeat AI platform. Your focus will be on backend systems, ensuring that customer and energy contracts are reliably integr...

About Rivero Established in 2019 and headquartered in Switzerland, Rivero is a fast-growing European company and a Visa Fintech Partner specialising in streamlining payment operations within the highly regulated payments industry. We focus on offering unique SaaS solutions for fraud recovery, dispute management, and payment scheme compliance. Rivero strives to stand as a front-runner in the industry, offering best-in-class SaaS solutions that combine innovation with deep expertise. We are lookin...

At Pathway Solutions GmbH, we're on a mission to automate accounting for E-Commerce and SaaS companies. Our goal is to free 10,000 entrepreneurs from the burden of manual bookkeeping so they can focus on what they do best: growing their business. We are a fast-paced, fully remote company experiencing significant customer growth, and we're looking for passionate builders to join us. The Opportunity: Shape the Core of Our Platform We are looking for a Senior Backend Engineer to be a driving force ...