Stellenangebote für: - LEAD BACKEND ENGINEER BERLIN

About Qdrant Qdrant is a fully remote, cutting-edge technology company building the next generation of AI-native search infrastructure through our open-source vector database and managed Cloud offering. Our platform powers real-time search, recommendation systems, and AI workloads across major cloud providers worldwide. As we scale, we are strengthening core domains across our Cloud platform -- including billing, identity, provisioning, admin workflows, integrations, and usage metering -- and we...

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...

Deine Aufgaben Du übernimmst die technische Verantwortung für die Frontend-Architektur der Plattform und entwickelst sie mit Blick auf Skalierbarkeit, Performance, Zuverlässigkeit und langfristige Wartbarkeit kontinuierlich weiter Du gestaltest und treibst die Weiterentwicklung unseres React-basierten Frontends voran, inklusive State Management, Server-Side Rendering mit Node.js sowie moderner Build- und Deployment-Toolchains Du definierst, etablierst und sicherst Engineering-Standards in Bezug ...

These tasks are waiting for you Lead our Partner Experience Engineering team, promoting collaboration and ensuring smooth project delivery through close coordination with other teams. Explore new ideas, conduct research, and contribute to proposals (RFCs). Work together with colleagues across teams to design and build Proofs of Concept (PoCs) for innovative technical solutions. Be hands-on in developing new technologies and driving their implementation. Act as a trusted sparring partner to produ...

Company Description Since its foundation in 2007, Solactive AG has evolved into one of the world's most important and fastest-growing index providers. From our headquarters in Frankfurt, we power global investment products across ETFs, structured products, and mandates. Our reputation is built on innovation, speed, flexibility, and strong partnerships. Job Overview The User Interfaces Team at Solactive defines, implements, and maintains our Design System, the foundation for consistent, high-qual...

We are looking for a full-time Senior Backend Engineer to join our Babbel Customer Communication Platform engineering team! Our CC Platform team (CRM area) provides services to other teams across the organization, helping them manage and maintain their data to use in the customer communications. We build and maintain data pipelines, ensure data quality, and develop APIs and integrations to support business needs. Working together with motivated colleagues, you will be collaborating and diving in...

Your mission We are looking for you asa ( Senior) Backend Engineer (m/f/d) at our headquarters in Munich, in our offices in Berlin, Halle (Saale) and Sofia, or remotely from anywhere in Germany. Responsibility : You will be responsible for the further development of our self-developed platform using proven coding, design, and quality management methods, finding optimal solutions for technical challenges. Coding : You will develop our web-based platform using state-of-the-art approaches with PHP ...

Du bist interessiert an der Stelle als Senior AI Engineer (w/m/d) bei BWI GmbH? Auf der Jobplattform Instaffo kannst du dich für diesen und weitere Jobs ohne großen Aufwand bewerben. Erstelle dein Profil in unter 3 Minuten und starte den Bewerbungsprozess mit nur wenigen Klicks. Bitte beachte, dass die Stelle nur für Bewerber aus Deutschland verfügbar ist. Die Sprachanforderungen für diese Stelle sind: Deutsch - Fließend, Englisch - Konversationssicher Als Senior AI Engineer (w/m/d) bist Du auf ...

We are looking for a Principal Fullstack Engineer to join the Learner Experience Cluster at Babbel and help shape the technology behind impactful, customer-facing learning experiences used by millions of learners worldwide. As a Principal Software Engineer, you operate at the intersection of deep technical judgment, product thinking, and organizational impact. You care deeply about how technology enables learning outcomes and learner experience, and you are motivated by building systems that are...

Your Mission As Lead Fullstack Engineer at hallo theo, you design, build and operate the core systems of our AI-native property management platform. You work hands-on across the stack - from intuitive frontends to robust backend services and data flows - and take real ownership for critical user journeys. You work with great attention to detail, empathy and a solution-oriented mindset, with a strong feel for both our users and our technology, and you help turn ambiguous problems into simple, imp...

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...

About Us At Airteam Aerial Intelligence, we build cutting-edge solutions for drone-based 3D photogrammetry, solar planning, and automated data analysis. Our platform combines 3D reconstruction, geospatial analytics, and computer vision to deliver precise and scalable insights to the renewable energy industry. We're looking for a Senior Machine Learning Engineer (Computer Vision) to join our AI team. You'll take ownership of our model lifecycle -- from exploration and experimentation to productio...

Du bist interessiert an der Stelle als Senior Software Engineer / Lead Developer (AI-first) (m/w/d) bei Adamia GmbH? Auf der Jobplattform Instaffo kannst du dich für diesen und weitere Jobs ohne großen Aufwand bewerben. Erstelle dein Profil in unter 3 Minuten und starte den Bewerbungsprozess mit nur wenigen Klicks. Bitte beachte, dass die Stelle nur für Bewerber aus Deutschland verfügbar ist. Die Sprachanforderungen für diese Stelle sind: Deutsch - Fließend Wir entwickeln eine zentrale, maßgesch...

Are you passionate about building reliable, scalable systems and ensuring seamless operations in the healthcare industry? We are seeking an experienced Site Reliability Engineer (m/f/d) like you to join our team! Since the foundation in 2019, Famedly has been committed to digitizing medical communication processes in compliance with data protection regulations and thus revolutionizing the healthcare system. Famedly has launched the first gematik-certified TI messenger to improve communication an...

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. We're looking for a Lead Full-Stack Engineer (all) to drive the development of our modern, high-performing web applications. You'll take ownership of technical direction, lead a team of engineers, and ensure ...

About Us We are a collective of experienced entrepreneurs investing our time, capital, and operational expertise to build the next generation of a high-impact healthcare venture. Having scaled companies to hundreds of employees and multiple exits, we provide far more than funding -- we work shoulder-to-shoulder with founders to accelerate learning cycles, open doors, and help avoid common early-stage pitfalls. We are building an AI-enabled healthcare automation platform that combines advanced te...

*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...

Digitalization and energy transition in one sentence? That's what we do at Green Fusion! Our software holistically optimizes energy systems in the real estate sector, helping to combat climate change through digitalization and automation. We reduce emissions and energy consumption, actively advancing the energy transition. Tasks As an ML Engineer, you'll support our Sector Coupling team building the next generation of intelligent Energy Management Systems (EMS). You will enable high-accuracy mod...

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...

We dig Web3. WeAreShovels.com is a Web3 engineering studio building and securing production-grade Web3 protocols, infrastructure, and tooling. We help Web3 builders dig deep, uncover value, and ship Web3 products that last - fast. We're looking for a Senior Web3 Frontend Engineer (Lead) who enjoys building great interfaces, leading others, and helping customers succeed. Tasks What you'll do Lead frontend architecture for complex Web3 applications (dashboards, protocol UIs, admin panels) Build in...