Are you ready to make an impact in cutting-edge backend development and help shape the future of digital advertising? Join our team as a Senior TypeScript Developer where you'll play a key role in driving innovation within the Swiss advertising technology landscape. We are a team of highly experienced engineers who have been working together for a long time, fostering a strong culture of collaboration, technical excellence, and innovation. As a leader in the field, we pride ourselves on building scalable, high-performance backend systems that ensure seamless integration and optimal performance across our platforms. We work with modern technologies like Node.js, NestJS, and cloud-native architectures, ensuring our solutions set new industry standards. If you're passionate about optimizing APIs, designing robust architectures, and solving complex technical challenges alongside a highly skilled and close-knit team, we'd love to have you on board!What you can expect:Architect, develop, and maintain backend applications using Node.js and NestJSDesign and implement internal and external API integrationsOptimize backend performance and ensure scalability, reliability, and securityContribute to the development and enhancement of our advertising ecosystemSolve complex backend challenges, including data processing, caching, and real-time event handlingEnsure code quality through best practices, code reviews, and automated testingWork closely with the frontend team to deliver end-to-end solutionsStay up-to-date with industry trends and contribute to continuous improvement We are looking for:Strong expertise in TypeScript and modern JavaScript (ES6+)Deep knowledge of Node.js and experience with the NestJS frameworkExperience with RESTful APIs, GraphQL, and WebSocketsStrong understanding of database technologies (SQL and NoSQL, e.g., PostgreSQL, MongoDB)Hands-on experience with caching strategies (Redis, Memcached)Familiarity with CI/CD pipelines, Docker, and KubernetesKnowledge of authentication & authorization frameworks (OAuth, JWT, etc.)Understanding of cloud environments (we use AWS)Experience with unit and integration testing (Jest, Mocha, or similar)Strong analytical and problem-solving skillsAbility to work in an agile environment and adapt to evolving business needsBenefits:Flexible working hours and mobile office optionsA market-, performance- and success-oriented compensation packageKnow-How Improvement: ongoing training by media expertsFive weeks vacation with option for 7 weeksPossibility for unpaid vacation: min. 2 weeks to max. 6 monthsAdditional half days off before certain holidaysPaid day off on birthdaySeniority gift every 5 yearsPersonnel placement commission until CHF 2'000Free digital subscriptions and discounted print offersFree annual flu vaccinationNumerous benefits e.g. cell phone subscription, Digital TV, bicycle rental, car purchaseGoldbach Publishing