React jobs in Berlin

Software Engineer (Kotlin) - Transport Planning Optimization (all genders)

Berlin

Full-time Relocation support

Proven professional experience as a JVM software engineer with Kotlin proficiency, SQL and database understanding, some TypeScript/React experience, and API design and microservice experience on cloud platforms.

Kotlin, TypeScript, React, SQL, Microservices

Principal Frontend Engineer - ZEOS Portal (all genders)

Berlin

Full-time Lead Relocation support

3+ YOE 3+ years as Principal Engineer or Solutions Architect; expert in React, TypeScript, Webpack and Micro Frontends; AWS, Kubernetes and networking; OpenID/Okta and web security; Agile delivery; strong communication and mentoring.

REST, Microservices, Java, React, TypeScript, Node.js

Full-Stack Software Engineer - Recommendation & Lifestyle Intelligence (All Genders)

Berlin

Full-time Mid Relocation support

2+ YOE 2+ years with React Native libraries such as Redux, React Navigation and Axios; cross-platform mobile app experience; CI/CD and monitoring/observability for mobile; excellent English communication. Kubernetes and e-commerce are …

React, React Native, TypeScript, CI/CD, Redux, Kubernetes

Full Stack Engineer Kotlin & React (Maternity Cover) / Lounge by Zalando (all genders)

Berlin

Full-timeFixed-term Mid Relocation support

2+ YOE About 2-4 years of professional software engineering, ideally with Kotlin (or Java/another JVM language) and React. Frontend fundamentals with modern JavaScript/TypeScript, clean tested code, and some cloud exposure or …

Kotlin, React, AWS, Java, JavaScript, Webpack

Senior Frontend Engineer - Shipment

Berlin

Full-time Senior

TypeScript, React, Node.js, MongoDB, Elasticsearch, Kubernetes

Lead Software Developer - Architektur, Integration & Produktentwicklung

Berlin

Remote Full-time Lead

Java, React, TypeScript, C#, .NET

Senior Engineering Manager (m/f/d)

Berlin

Hybrid Full-time Senior

Proven leadership of engineering organizations at scale; strong TypeScript/Node.js; React/Next.js and/or Flutter; microservices on AWS. Dart, C#, Go and Rust, privacy/cryptography and decentralized identity are preferred or bonus.

TypeScript, Microservices, Dart, C#, Go, React

Software Engineer (f/m/d) – Cross-Platform SDK Development

Berlin

Hybrid Full-time

Strong TypeScript skills, with Vanilla JavaScript when needed. Mobile or device engineering experience (e.g., React Native, Kotlin, Swift). Testing discipline with Jest and Vitest. Teamwork. Docker, Kubernetes, Jenkins, Grafana …

TypeScript, JavaScript, React, React Native, Kotlin, Swift

Senior Full Stack Software Engineer (w/m/d) – React, Node.js, TypeScript + AI

Berlin

Hybrid Full-time Senior

Solid full-stack JavaScript experience with React, Next.js, TypeScript and Node.js, including taking apps to production. Experience with REST APIs and SQL databases; GraphQL is a plus. Practical testing experience with Jest, …

React, Next.js, TypeScript, Node.js, REST, SQL

Lead Engineer Telemedizin-Plattform (m/w/d)

Berlin

Full-time Lead

Mehrjährige Erfahrung als Software Engineer, idealerweise als Senior, Lead oder Staff Engineer Sehr gute Kenntnisse in React / Next.js, TypeScript und moderner Fullstack-Entwicklung Erfahrung mit Backend-Systemen, Datenbanken, …

React, Next.js, TypeScript, Supabase, PostgreSQL, Vercel

Software Engineer, Voice AI / Backend

Berlin

On-site Full-time Visa sponsorship Relocation support

Production experience building and owning distributed systems, with a track record of shipping product software and delivering projects end-to-end. Strong software fundamentals and experience with Python, FastAPI, or TypeScript …

Python, FastAPI, TypeScript, LLM, PostgreSQL, Redis

Founding Engineer

Berlin

On-site Full-time Mid

3+ YOE At least 3 years of full-stack engineering experience, delivering end-to-end product features across frontend, backend, and infrastructure. Production experience with TypeScript and Python, plus hands-on experience building and …

TypeScript, Python, Next.js, LLM, React, PostgreSQL

Senior AI Software Engineer (m/w/d)

Berlin

Full-time Senior

Mehrjährige Senior-Erfahrung im Full-Stack-Engineering moderner Webanwendungen mit tiefem Know-how in mindestens einem Frontend-Stack (React oder Angular) und einem Backend-Stack (Java/Spring Boot oder Python), idealerweise mit …

React, Angular, Java, Python, Spring Boot, C#

Software Engineer (f/m/d)

Berlin

Hybrid Full-time

You can independently own well-scoped work, with support available for broader architecture or highly unclear decisions. Strong software engineering fundamentals, including readable code, data structures, debugging, automated …

TypeScript, JavaScript, React, Vue.js, Angular, SQL

Principal Machine Learning Engineer - Applied AI & LLMs (x/f/m)

Berlin

Hybrid Full-time Lead Relocation support

10+ YOE 10+ years in ML/AI, with 3+ years at Staff+ or Principal level. Deep expertise in two of clinical NLP, LLM fine-tuning/evaluation, ASR, RAG, or RL. Expert in Python, PyTorch/Transformers, vLLM, and AWS/GCP production deployment. …

NLP, LLM, RAG, Python, PyTorch, AWS

Senior Frontend Engineer - Shipment

Berlin

Full-time Senior

Track record of owning production web apps, deep TypeScript and React expertise, product and systems mindset, backend and API knowledge, accessibility focus, technical writing, practical AI tool use, and clear English …

TypeScript, React, Node.js, MongoDB, Elasticsearch, Kubernetes

(Senior) Backend Engineer (f/m/d)

Berlin

Hybrid Full-time Senior

5+ YOE To excel as a member of the Product Development team, you should combine a passion for technology with an entrepreneurial mindset and strong problem-solving skills You are a team player with excellent communication skills and a …

TypeScript, SQL, NestJS, Spring Boot, Svelte, React

(Senior) Product Engineer (f/m/x)

Berlin

Hybrid Full-time Senior

Educational background: An excellent academic track record, ideally with a Bachelor's or Master's degree in Computer Science, Engineering, Business, or a related quantitative field. Relevant experience: Initial professional …

JavaScript, React, HTML, Vercel, Supabase

Product Engineer

Berlin

On-site Full-time Mid Visa sponsorship Relocation support

3+ YOE At least 3 years of professional software engineering experience, with production experience across frontend and backend development. Experience building and owning distributed systems, asynchronous or event-driven workflows, and …

Python, FastAPI, TypeScript, React, LLM, PostgreSQL

Forward Deployed Engineer

Berlin

On-site Full-time Junior Visa sponsorship

1+ YOE Production experience shipping software, with approximately 1 to 6 years of relevant experience. Proficiency in TypeScript and Node.js, including NestJS, Postgres, Prisma, and React. Experience working directly with customers to …

TypeScript, Node.js, NestJS, PostgreSQL, React

Director Frontend Engineer

Berlin

Remote Full-time Lead

5+ YOE

GitHub, React, TypeScript, Storybook, Docker, JavaScript

Senior Software Engineer Ruby on Rails 100 % remote (m/w/d)

Berlin

Remote Full-time Senior

Wir erwarten nicht, dass du unseren Tech-Stack bereits vollständig beherrschst. Wichtiger ist uns: Du hast tiefes Wissen in der Webentwicklung, meisterst deinen aktuellen Stack und bringst die Motivation sowie die schnelle …

Ruby, Rails, TypeScript, React, MySQL, Elasticsearch

Senior Software Engineer (PHP, TypeScript, Node.js) m/w/d

Berlin

Remote Full-time Senior

Grundsätzlich musst du nicht alles können. Wichtiger ist: Du kannst zeigen, dass du in deinem aktuellen Technologie-Stack richtig tief drin bist, gute technische Entscheidungen triffst und dich schnell in neue Systeme …

PHP, Symfony, TypeScript, MySQL, Node.js, Java

Wissenschaftliche Mitarbeiterin / Wissenschaftlicher Mitarbeiter (d/w/m) Health Information Systems Engineering

Berlin

Full-time

Apache Kafka, Apache Flink, React

Senior Engineer, Retail Media / AdTech Solutions (m/f/d)

Berlin

Remote Full-time Senior

1+ YOE Strong hands-on skills in JavaScript/TypeScript, Node.js, React, and modern web technologies. Deep experience building scalable microservices and frontend applications in cloud-native environments. Familiarity with AdTech or …

JavaScript, Node.js, React, Microservices, Agile, Next.js

Senior Backend Engineer - Developer Experience & Productivity

Berlin

Hybrid Full-time Senior

5+ YOE 5+ years of professional backend engineering experience, with a track record of shipping and operating production systems end-to-end and leading technical projects across teams. Strong, production-grade skills in at least one …

Python, CI/CD, GitHub Actions, GitHub, AWS, CloudFormation

Staff Engineer (m/f/d)

Berlin

Full-time Lead

8+ YOE At least 8 years of experience building and running software in production, including systems where errors cost real money Deep backend expertise at production scale in Java or a comparable language such as Kotlin, C# or Go, and …

Java, Kotlin, C#, Go, Spring Boot, Salesforce

Freelancer Senior Mobile Engineer (React Native, Expo, TypeScript) m/w/d

Berlin

Remote Freelance Senior

Du musst nicht jede Bibliothek bereits kennen. Entscheidend ist, dass du deinen Stack verstehst, gute technische Entscheidungen triffst und dich selbstständig in neue Themen einarbeitest. Du hast fundierte Erfahrung mit …

TypeScript, React, React Native, iOS, Android, REST

Senior Solution Architect

Berlin

Remote Full-time Senior

5+ YOE

JavaScript, React, Node.js, HTML, REST, OAuth

Engineering Manager (f/m/d)

Berlin

Hybrid Full-time Mid

3+ YOE To excel as a member of the Product Development team, you should combine a passion for technology with an entrepreneurial mindset and strong problem-solving skills. 3+ years' experience leading engineering teams, with a track …

TypeScript, SQL, NestJS, Spring Boot, ASP.NET, Svelte