**About MutualArt:** MutualArt is the world’s most comprehensive art information service. With over 300,000 artists listed, we offer a complete and objective view of the art market — from average painting prices to world record auction results. Our members receive personalized alerts for auction results, upcoming sales, and exhibitions, ensuring they stay at the forefront of the art world. **About the Role:** We are seeking a Senior Backend Engineer with deep expertise in system architecture. This role combines hands\-on backend development with architectural leadership: you will shape our technology stack, design distributed and highly scalable systems, and ensure our platforms are future\-proof, performant, and secure. You will collaborate with leadership, product, and engineering teams to define the technical vision and bring modern architectural practices to life — including microservices, domain\-driven design (DDD), and event\-driven systems. **Key Responsibilities:** Architect and build scalable backend platforms using modern technologies (C\#/.NET Core). Design and evolve system architecture, applying microservices, DDD, and event\- driven patterns. Lead API design (REST, GraphQL, message\-driven) for efficient service communication and integration. Implement observability practices (logging, tracing, metrics) for distributed systems. Mentor team members in architectural thinking, code quality, and best practices. Collaborate with stakeholders to translate business goals into long\-term architectural roadmaps. Optimize performance and scalability using serverless, edge computing, and caching strategies. Drive DevOps excellence — CI/CD pipelines, containerization (Docker/Kubernetes), and cloud\-native deployments (AWS/Azure/GCP). **Requirements** Proven experience designing large\-scale, distributed architectures (microservices, event\-driven, modular systems). 6 \+ years of backend development with C\#/.NET Core. 3\+ years in a technical leadership role, guiding architectural decisions and mentoring engineers. Expertise in cloud\-native environments (AWS/Azure/GCP) and container orchestration (Docker/Kubernetes). Strong understanding of system performance, observability, and security principles. Nice\-to\-Have Experience with CQRS, Event Sourcing, or advanced DDD implementations. Familiarity with GraphQL, message brokers (Kafka, SQS, RabbitMQ). Knowledge of edge computing and modern deployment platforms (e.g., Vercel) **Benefits** **Location:** Remote **Competitive Compensation:** We offer a competitive salary and benefits package commensurate with experience. **Growth Opportunities:** You'll have the opportunity to work on challenging projects, learn new technologies, and grow your career in a dynamic environment.