Senior Software Engineer Technical Lead (.NET)

The Role - We're looking for a Senior Software Engineer – Technical Lead (.NET) to own our backend systems and lead a growing team of engineers. This is a hands-on leadership role where you'll architect scalable services, shape our ML-powered features, and establish the engineering standards that will define our platform. What You'll Do - Lead the design and development of backend services using C#/.NET - Architect and optimise MongoDB databases for high-throughput workloads - Build and integrate machine learning models for key platform features - Mentor backend engineers and drive technical excellence across the team - Own system reliability, performance, and technical decision-making - Collaborate across product, frontend, mobile, and DevOps to ship features end-to-end What You Bring - 7+ years in software engineering with 5+ years in C#/.NET - 3+ years with MongoDB in production - 2+ years leading or mentoring engineering teams - Practical ML experience – model development, training, and deployment - Strong API and microservices design skills - Experience with distributed systems, caching, and message queues Bonus Points - Experience in gaming, fintech, or high-transaction platforms - Familiarity with AWS, MLOps practices, or real-time systems - Knowledge of Nigerian payment integrations