Senior Fullstack Developer – React, Java – Hamburg – €95k

2 days ago Be among the first 25 applicantsGet AI-powered advice on this job and more exclusive features.Direct message the job poster from Optimus SearchWe are a fast-growing startup revolutionizing how content creators grow their online presence. Our platform enables creators to automate tasks, grow subscriptions, and increase revenue. We empower creators to unlock their full potential and build sustainable businesses.We\’re looking for a Senior Fullstack Developer to join our dynamic team and play a key role in the development of our cutting-edge platform. You\’ll drive the architecture and development of both frontend and backend services, ensuring performance, scalability, and seamless integration across the stack. If you thrive in a modern, fast-paced environment and enjoy working across the full development lifecycle with ownership over DevOps practices, we want to hear from you.Key Responsibilities:Fullstack Development:Design and develop modern web applications using React (React Query, Router) and TypeScript on the frontend.Build scalable and performant backend services using Java and Spring Boot.Own and maintain RESTful API integration between the frontend and backend.DevOps & CI/CD:Manage and automate CI/CD pipelines using tools like GitHub Actions, Jenkins, or GitLab CI.Deploy and maintain applications in containerized environments using Docker and Kubernetes.Monitor and optimize system reliability, performance, and security in production.Contribute to system architecture, ensuring modularity, maintainability, and performance.Promote best practices in clean code, test-driven development, and software engineering.Conduct code reviews and mentor junior developers.Work closely with designers, product managers, and other engineers to deliver high-impact features.Collaborate cross-functionally to align development efforts with business goals.Requirements:5+ years of experience in software development, with proven fullstack expertise.Strong experience in Java and Spring Boot for backend development.Solid understanding of RESTful APIs, data modeling, and backend architecture.Hands-on experience with CI/CD pipelines and containerization (Docker, Kubernetes).Familiarity with frontend tooling like Webpack, Babel, and modern testing libraries.Experience with cloud platforms (AWS, GCP, or Azure) is a plus.Strong understanding of frontend performance, responsive design, and accessibility.Fluent in German and English, with excellent communication and collaboration skills.Proven leadership skills and experience mentoring engineers.What We Offer:Competitive salary up to €95kFlexible remote/hybrid work setup (based in Hamburg)Fast-paced startup environment with a clear missionOpportunity to work with modern technologies and influence tech decisionsPersonal growth budget and career development supportSeniority levelSeniority levelMid-Senior levelEmployment typeEmployment typeFull-timeJob functionJob functionInformation TechnologyIndustriesData Infrastructure and Analytics, IT Services and IT Consulting, and Software DevelopmentReferrals increase your chances of interviewing at Optimus Search by 2xGet notified about new Full Stack Engineer jobs in Hamburg, Germany.Full Stack Engineer (Remote or Berlin-based)Senior TypeScript Full Stack Developer (all)Frontend Developer / Fullstack Developer (human)Full Stack Developer – Website (m/w/d)Software Developer Full Stack (m/f/d) – remote optionSenior Full Stack Software Engineer (f/m/d)We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr