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...

Die Schwarz IT betreut die gesamte digitale Infrastruktur und alle Softwarelösungen der Unternehmen der Schwarz Gruppe. Sie ist somit für Auswahl, Bereitstellung und Betrieb sowie Weiterentwicklung von IT-Infrastrukturen, IT-Plattformen und Business-Anwendungen zuständig. Um die Fachbereiche durch IT-Lösungen optimal bei deren Geschäftsprozessen zu unterstützen, nimmt die Schwarz IT die Anforderungen der Fachbereiche in Beratungsgesprächen auf und erarbeitet gemeinsam mit diesen professionelle u...

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...

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 ...

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...

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...

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...

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 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...

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...

Job ID: 284770 Unternehmen: Riverty Group GmbH Standort: Berlin Jede Geschichte zählt. Gestalte deine eigene – gemeinsam mit uns bei Riverty. Und wohin führt dich das? In eine unserer 30 hybriden Arbeitsumgebungen – gestaltet für den Austausch von Ideen, gemeinsames Lernen und die Mitgestaltung unserer Arbeitsweise. Werde Teil einer internationalen Community mit über 4.000 Menschen aus fast 80 Nationen in 11 Ländern. Vereint durch eine gemeinsame Mission: Mit Empathie, moderner Technologie und d...