Senior Backend Software Engineer

• 03 August 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 employee digital experience management software. The company offers IT managers unprecedented visibility, allowing them to see, diagnose, and resolve large-scale issues affecting employees everywhere, with any application or network, before employees notice the problem. As the first solution enabling IT to move from reactive problem solving to proactive optimization, Nexthink enables more than 1,300 customers to provide better digital experiences to more than 18 million employees. Based in both Lausanne, Switzerland, and Boston, Massachusetts, Nexthink has 9 offices worldwide. LI-Hybrid # Job Description We are looking for a passionate and experienced backend engineer, with a solid track record 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 core services that power our data ingestion products. This role involves architecting and delivering backend solutions capable of handling large-scale data processing and integration 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. Since 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 low-latency real-time 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 managers, 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 8 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 mindset with a desire to learn and adapt Excellent knowledge of observability practices: logging, monitoring, tracing, metrics. Excellent communication skills in English, capable of clearly explaining 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 in the world, providing our customers' IT teams with total digital visibility across their enterprise. Our innovative solutions integrate real-time analytics, automation, and employee feedback across all touchpoints. This enables our IT teams to solve complex technical challenges, create increasingly productive work environments, and provide happy and satisfied employees in the digital workplace. With more than 1000 employees across 5 continents, Nexthink operates as one single team, connecting, collaborating, and innovating to grow continuously. We call our employees "Nexthinkers" and our commitment to diversity, inclusion, and equity is unparalleled. We currently count more than 75 nationalities among our collaborators, from all cultures and backgrounds, speaking many different languages. If you are looking for a change and enjoy 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. • ? Magnificent offices with a view of Lake Geneva, ideally located next to the Prilly-Malley station • ? Hybrid work model balancing office and teleworking, with a structured approach for newcomers to foster connections and integration. • ?- Flexible hours and unlimited leave (employees benefit from unlimited paid leave in addition to 25 days of