Senior Full-Stack React & Node.js – Connect

Fluency In English Is Required. As a Full-Stack Software Engineer, you join a strategic team building Sogelink Connect, a platform at the core of our ecosystem. You develop scalable, API-driven solutions that enable seamless data exchange between our products and external systems, directly contributing to our Ambition 2030. About Sogelink Connect Sogelink Connect is designed to ensure secure, scalable, and high-performance interoperability across all Sogelink solutions. It plays a key role in connecting systems, simplifying integrations, and enabling real-time data flows across a growing SaaS ecosystem. What you will do Build and scale full-stack applications using React, TypeScript, and NestJS. Design and develop robust APIs powering integrations across multiple systems. Turn product requirements into reliable, high-performance solutions. Ensure code quality through testing, reviews, and engineering best practices. Work closely with Product, QA, and Engineers in an Agile, collaborative setup. Contribute to continuous improvement (refactoring, performance, tech evolution). Take part in shaping scalable and sustainable architecture. Who you are Proven experience as a Senior Full-Stack Developer with strong expertise in React, TypeScript, Node.js, and NestJS Experience building scalable, high-performance applications in SaaS or platform environments Strong background in designing and developing REST APIs in complex or integration-heavy systems Solid knowledge of React (state management, performance, architecture) Experience with NestJS backend architecture and best practices Strong focus on code quality, testing (unit/integration), and maintainability Comfortable with Git, CI/CD, and modern development workflows Exposure to cloud, Docker, or Kubernetes is a plus Curious, proactive, team-oriented, with a strong sense of ownership Fluent in English About Sogelink Sogelink is a European leader in construction software technology. Our Budapest office hosts a small but ambitious team focused on engineering excellence and expansion. We aim to make Budapest a center of software engineering excellence, shaping the future of Sogelink’s technology. The Sogelink Connect team is distributed across Budapest, Nantes, and Lyon, working in a dynamic and collaborative environment. Why join us? Work on a core platform with high visibility and strategic impact. Build modern, scalable systems in a fast-growing SaaS environment. Join an Agile squad (SAFe/Scrum) composed of 1 Product Owner, 1 QA, and 5 developers. Opportunity for occasional travel to Nantes (2–3 times per year). Hybrid working model with flexibility. Competitive salary and bonus scheme. Real opportunities for growth, learning, and ownership. Hiring process Apply now via the button or contact us for more information.