frontend developer react next js Jobs in Berlin

About Air AppsAt Air Apps, we believe in thinking bigger—and moving faster. We’re a family-founded company on a mission to create the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portugal in 2018—and now with offices...

Stellenbeschreibung Für unseren Kunden suchen wir einen Fullstack Developer (m/w/d) Python/FastAPI & React/TypeScript (sozialversicherungspflichtig)   Rahmenparameter Laufzeit: 01.11.2026 – 31.10.2027 Auslastung: Vollauslastung Einsatzort: 90 % Remote, ca. 10 % vor Ort in Berlin Erfahrungsstufe: Expert (6+ Jahre Berufserfahrung) Sprachanforderungen:...

Hi there! Thanks for stopping by! 👋Are you actively looking for a new opportunity? Or just checking the market? Well… you might just be in the right place!We are looking for a Senior Frontend Developer to join one of our squads where you will be supporting Lightspeed’s Hospitality product group on the mission to expand our reach into new markets and...

What to ExpectAt Caspar Health, we don’t just build software—we deliver Combined Care. We bridge the gap between technology and medical expertise to help people regain their independence after illness or accidents. For us, digital innovation only works when paired with personal, human medical support.The Role: Lead. Build. Coach.We are looking for a...

Our mission is to enable everyone to build wealthWe reinvent how trading and investing work by creating exceptional products people love.Fostering a culture of excellence and high velocity is the key to our success.Today, we serve over 6 million clients, with more than €50 billion in assets under management - a testament to the scale and trust we’ve...

About Cognee Cognee is building the knowledge engine for AI agents to adapt and learn from feedback. We provide a developer tool for engineers and data scientists to build agentic systems that work in critical workflows – at scale. Our open-source Python SDK runs 1,000,000+ times per month, it is in production at 70+ companies, we reached 12k+ GitHub stars...

Birdrave GmbH is a small, engineering-driven team based in Berlin that builds software with passion. We build powerful platforms for complex use cases, from running the backbone of a massage studio powerhouse to powering multi-million dollar sports betting platforms. On top of that, we support early-stage companies in building their products. AI isn't a...

.img – itai’s machine GmbH is a digital technology company specializing in modern publishing solutions. With our “journalistic operating system” (.jOS), we offer a cloud-native publishing platform that serves millions of users by connecting to headless CMS systems, processing and enriching content, and distributing it via web and mobile applications....

ABOUT THE TEAM: Our development team consists of specialists in frontend, backend, QA, product, and more. We work in small cross-functional teams that give everybody insight and hands-on experience of what everyone else is doing. Each team is self-sustained, autonomous, and responsible for a specific product area in our platform. We believe strongly in...

Wir suchen Dich!Werde Teil unserer Expansion und unterstütze uns als Senior Frontend Developer (w/m/d).Auch wenn unsere Wurzeln im Autohaus liegen, sind wir ein stark technologiegetriebenes Unternehmen mit ambitionierten Wachstumsplänen. Du entwickelst moderne, performante und benutzerfreundliche interne Anwendungen, die direkt im Arbeitsalltag unserer...

bunch is building the backbone of private markets. We are enabling next-gen fund operations with one integrated system that combines secure data infrastructure, AI-powered workflows and expert fund services. If you value ownership, growth through real responsibility, and working with a thoughtful, ambitious team, this role might be for you.Your RoleAs a...

Your MissionBuild Software That MattersYou'll develop industrial software that powers daily operations at Aurubis, our parent company. Your work will have a real impact beyond a backlog item. Working with TypeScript, React, and Playwright, you'll build features end-to-end while keeping systems maintainable, performant, and intuitive for real users.Develop...

♾️ Your mission Amazon Connect | API Gateway | AWS Serverless | Bedrock | CDK | Cognito | DynamoDB | Lambda | LLMs | OCR | Python | React | S3 | SAM | Secrets Manager | Sentry | SNS | SQS | Step Functions | TypeScript | X-Ray We run a fast growing modern HealthTech platform. Fully serverless. Regulated. Real patients. Real impact. You are a frontend...

**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...

DescriptionAbout Cognee Cognee is building the knowledge engine for AI agents to adapt and learn from feedback. We provide a developer tool for engineers and data scientists to build agentic systems that work in critical workflows – at scale. Our open-source Python SDK runs 1,000,000+ times per month, it is in production at 70+ companies, we reached 12k+...

**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...

Seit der Übernahme durch die CHAPTERS Group AG im Jahr 2025 baut die Linear Service GmbH neben ihrem etablierten Kernsystem für Vereinsverwaltung und Buchhaltung ein komplett neues Cloud-Produkt auf. Das bestehende System bleibt – es läuft weiter und wird von unseren Kunden aus Vereinen, Verbänden und Schulen täglich genutzt. Parallel dazu entsteht...

HiPeople is on a mission to equip recruiting and people teams with AI-powered screening products — talent insights for fast, unbiased, and easy hiring decisions.HiPeople Resume Screens | HiPeople Assessments | HiPeople Reference Checks We work with some of the world's leading brands, including the NFL, Kickstarter, Zapier and Rolling Stone Magazine.We’re...

We are seeking a Python Developer experienced with Fast API to join our backend team for a FinTech-related project. You’ll be responsible for developing, maintaining, and optimizing APIs that power a mobile financial application.Responsibilities:• Design, develop, and maintain RESTful APIs using Fast• Collaborate with frontend (React Native) developers...

  Wer wir sind   flatexDEGIRO SE betreibt die führende und am schnellsten wachsende Online-Brokerage-Plattform in Europa. Basierend auf moderner, hauseigener State-of-the-Art-Technologie wird den Kunden der Marken flatex und DEGIRO eine breite Palette unabhängiger Produkte mit Ausführung an Top TIER 1-Börsen angeboten. Der technologische Vorsprung,...