Senior Backend Software Engineer

• 06 July 2026 • 100% • Indefinite duration • Lausanne Senior Backend Software Engineer • Full-time • Department: Data Platform • Department: Data Platform • Division: Engineering Company Description Nexthink is the leader in software for managing the digital experience of employees. The company offers IT managers unprecedented visibility to see, diagnose, and resolve large-scale problems affecting employees everywhere, with any application or network, before employees notice the problem. As the first solution to enable IT to shift from reactive problem-solving to proactive optimization, Nexthink enables more than 1,300 clients to offer better digital experiences to more than 18 million employees. With two headquarters in Lausanne, Switzerland, and Boston, Massachusetts, Nexthink has 9 offices worldwide. LI-Hybride # Job Description We are looking for a passionate and experienced backend engineer, with a solid background in designing and implementing scalable, reliable, and high-performance backend systems. As a member of one of our Data Platform teams, you will be responsible for building and evolving the central services that power our data ingestion products. This role involves architecting and delivering backend solutions capable of handling large-scale data processing and integrating with multiple services. You will work closely with product, infrastructure, and frontend teams to ensure our systems are robust, efficient, and capable of supporting rapid product growth. Given that the position is cross-functional, the ability to communicate complex technical concepts clearly and pragmatically is essential. You will thrive in a collaborative environment where your work directly enables innovative and production-ready backend services at scale. Responsibilities Design, build, and evolve distributed backend systems serving millions of users. Ensure end-to-end delivery of features: from design, implementation, deployment, and monitoring. Architect real-time, low-latency APIs and backend services for large-scale data ingestion. Develop cloud-native services in Java, ensuring reliability, performance, and scalability. Work on infrastructure components, including AWS-based deployments, containerization (Docker), and orchestration (Kubernetes/ECS). Ensure resilience, fault tolerance, and compliance in high-throughput environments. Collaborate with product leaders, infrastructure engineers, and other teams to deliver production-ready systems. Contribute to technical discussions, share knowledge, and help evolve best practices in backend engineering and infrastructure. Qualifications BSc/BEng or Master's in Computer Science (or equivalent) More than 5 years of professional experience in backend engineering Proficiency in Java (17+) Experience with distributed data systems (e.g., Redis, Apache Kafka, SQL databases). Proven experience in designing and scaling backend systems for millions of users or high-throughput real-time services. Good understanding of cloud-native architectures (AWS or similar), containerization (Docker), and orchestration (Kubernetes/ECS). Solid experience with high-availability systems, failover, and resilience design. Curious mind with a desire to learn and adapt Excellent knowledge of observability practices: logging, monitoring, tracing, metrics. Excellent English communication skills, able to clearly explain complex technical topics. Assets Knowledge of Java frameworks (Micronaut, Spring). Experience in performance optimization and scaling in high-throughput environments. Familiarity with GitOps, CI/CD, IaC Additional Information We are the pioneers and trailblazers of a global IT market category (DEX) that is shaping the future of work worldwide, offering our clients' IT teams total digital visibility into their organization. Our innovative solutions integrate real-time analytics, automation, and employee feedback across all endpoints. This enables our IT teams to solve complex technical challenges, create increasingly productive work environments, and offer happy and satisfied employees in the digital workplace. With over 1,000 employees across 5 continents, Nexthink operates as one team, connecting, collaborating, and innovating to continuously grow. We call our employees "Nexthinkers" and our commitment to diversity, inclusion, and equity is unmatched. We currently have over 75 nationalities working with us, from all cultures and backgrounds, speaking many different languages. If you are looking for a change and appreciate a good atmosphere, many challenges, and fun at work, this is an excellent opportunity for you! Discover what we offer: • ? Permanent contract and a competitive compensation package. • ? Beautiful offices with a view of Lake Geneva, ideally located next to Prilly-Malley station • ? Hybrid work model balancing office and remote work, with a structured approach for new joiners to foster connections and integration. • ? Flexible hours and unlimited vacation days (employees benefit from paid vacation)