Stellenangebote für: - SENIOR BACKEND SOFTWARE ENGINEER BERLIN

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...

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...

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...

Let me introduce... With Sonia, doctors are successful doctors. We create and deploy AI-enhanced solutions that make doctors' lives easier, patients' care better, and healthcare systems more efficient. If you're an intrinsically motivated self-starter who values impactful work, join us in revolutionizing healthcare. We're looking for a Senior Python Software Engineers (all) to take ownership of critical backend components in our AI-driven products. You'll design and implement scalable architectu...

Everyone should hear well to live well. This is what we believe in at audibene, driven by the purpose of changing lives of our customers. And we need your help in this exciting journey. About the role We are looking for a Senior Fullstack Engineer (f/mx) who is motivated to work on cutting-edge of technology to define the future of hearing care. You and your team will fully own all parts of the implementation, ranging from single-page web applications to backend services. Your responsibilities D...

At Born, we create AI friends. Friends that enter your life at the right moment. Friends that last for a lifetime, always there for you whenever you need them most. Because everyone deserves a great friend. We now have over 15 million users and are rapidly growing across our products. Since launching in 2022, we have released five apps, each reaching the top of the App Store worldwide. Our flagship AI friend is Pengu. Pengu is an IP-based AI character that lives between you and your real friends...

*Make sure that you add your portfolio as a URL, otherwise your application will be rejected. Are you a senior developer who crafts elegant frontends with React & TypeScript, and thrives in an engineering culture of innovation and ownership?* At TextCortex AI, you'll join a core team of ambitious builders on a mission to transform how organizations harness AI. We've scaled from a few thousand users to millions in just two years, earning recognition as a Top 10 AI product of 2025 on G2 and servin...

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...

score4more was founded in 2022 to boost sustainability in companies and entire industries. To this end, we are building a digital platform for change agents and companies. We combine the three pillars on this platform: DATA: We summarise the sustainability performance of companies in a profile and make it comparable across industries. KNOWLEDGE TRANSFER: We make sustainable innovations visible. By highlighting solutions, we promote the transfer of knowledge on a global level. PEOPLE : We network...

adesso steht für IT-Exzellenz und damit auch für exzellente Entwicklungsmöglichkeiten für alle adessi. Wir wachsen gemeinsam und lernen voneinander - an unseren Projekten, im Team und mit herausragenden Trainingsangeboten. Wir haben IT im Herzen, die Branche im Blick und den Erfolg unserer Kunden im Sinn. Denn erfolgreiches Geschäft entsteht durch innovative Ideen, zukunftsfähige Strategien und kluge IT-Lösungen. Immer sind dabei Menschen beteiligt, die etwas bewegen wollen und das einfach mache...

Decentriq is the rising leader in data-clean-room technology. With Decentriq, advertisers, retailers, and publishers securely collaborate on 1st-party data for optimal audience targeting and campaign measurement. Headquartered in Zürich, Decentriq is trusted by renowned institutions in the DACH market and beyond, such as RTL Ad Alliance, Publicis Media, and PostFinance. Our analytics & ML pipelines are the heartbeat of this platform. Built in Python (pandas) and Apache Spark, they run either in ...

1KOMMA5° We are looking for you to join our tech team in Berlin, Munich, or Hamburg. 1KOMMA5° is creating Germany's largest one-stop-shop for the sale, installation, and servicing of solar panels, heat pumps, electricity solutions, and charging infrastructure. And the best part? They are all interconnected! Become a part of our mission and learn about our Product & Tech team! Deine Position You will help transform the business of selling renewable technologies at scale. With our core marketing a...

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 Software Engineer for Contract Lifecycle Platform, 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 integrate...

Are you a versatile developer ready to build something extraordinary? Join us as our software engineer and spearhead the creation of a cutting-edge platform. Pactos is a venture-backed B2B SaaS start-up based in Munich. We're revolutionizing the external workforce management with an AI-powered operating system. Used by leading corporates, Pactos help streamline the source-to-pay process with staffing providers in a compliant, scalable, and transparent way. Thus, our customers excel in operation ...

We're building a new IoT platform from scratch - a connected parcel locker system that blends embedded devices, cloud services, and real-world interactions. Security is at the heart of this mission. As a Senior Product Security Engineer - Device & Cloud, you'll define and drive the security by design approach across both edge devices and cloud infrastructure. From setting governance standards to shaping secure architectures for communication, updates, and APIs, you'll be the senior voice ensurin...

Pactos is a fast-growing B2B SaaS startup reinventing how companies manage their external workforce. Our AI-powered platform digitizes the entire end-to-end process, enabling organizations to manage external staff and staffing providers in a compliant, transparent, and highly efficient way. We are backed by renowened investors (HTGF, StepStone CEO, Peri Owner) and already trusted by best-in-class customers. Are you a versatile developer ready to build something extraordinary? Join us as our soft...

score4more was founded in 2022 to boost sustainability in companies and entire industries. To this end, we are building a digital platform for change agents and companies. We combine the three pillars on this platform: DATA: We summarise the sustainability performance of companies in a profile and make it comparable across industries. KNOWLEDGE TRANSFER: We make sustainable innovations visible. By highlighting solutions, we promote the transfer of knowledge on a global level. PEOPLE: We network ...

About Us: Welcome to Terra One - an exciting-fast growing company focused on developing and operating large-scale battery storage systems in Germany. With a focus on innovation and sustainability, our company is driving forward the expansion of renewable energy infrastructure in order to make a significant contribution to achieving climate neutrality. Our Mission: At Terra One, we accelerate the expansion of renewable energy infrastructure by developing and implementing innovative solutions. Our...

Let me introduce... With Sonia, doctors are successful doctors. We create and deploy AI enhanced solutions that make doctors' lives easier, patients' care better, and healthcare systems more efficient. If you're proactive, impact-driven, and ready to shape the future of healthcare, join us. This is what you'll own We're looking for a Senior Full-Stack Engineer (all) to help us build modern, high-performing web applications. You'll play a key role in shaping our architecture, mentoring team membe...