Senior .NET Backend Engineer

Description Build the next-generation payment platform on a modern and future-proof tech stack. Working in a cross-functional team What we’re looking for · Proven ability to design, optimize, and operate data-intensive systems, including schema design, performance tuning, and production troubleshooting in MS SQL Server–based environments. · Deep understanding of database performance and reliability, including indexing strategies, query optimisation, and handling production issues. · Experience building and operating backend services using .NET/C#, with a solid understanding of microservice architectures and distributed systems. · Experience designing and working with asynchronous messaging and event-driven systems, using Kafka, IBM MQ, or similar technologies. · Experience running services in containerised and orchestrated environments (Docker, Kubernetes/OpenShift), with awareness of scaling, resilience, and failure modes. · Experience contributing to or owning CI/CD pipelines for database changes and deployment automation, with a focus on safe, repeatable releases. · A collaborative engineering mindset, with a willingness to share knowledge, learn continuously, and improve how the team builds and runs software. · Meritorious with experience from financial services, payments, or other regulated environments. · Strong communication skills, with fluency in English; Swedish is a plus Startdatum : 2026-06-26 Slutdatum : 2027-06-25 Omfattning : 100% Ort : Solna Vi offererar löpande och ärendet kan komma att stängas ner innan satt deadline. Vänligen ansök direkt via vårt system med: - uppdaterat CV - timpris (inkl. omkostnader) - information kring tillgänglighet för att påbörja uppdraget - Kortare motivering där du speglar själva uppdragsbeskrivningen och gör det tydligt hur du uppfyller satta krav från kunden. Lyft gärna 1-2 referensuppdrag som du tror är extra relevanta för det aktuella uppdraget och gör din profil till en god match.