Job Title

LocationMontreal, CanadaWe operate a B2B platform in the online gaming space and are looking for a strong engineer to take ownership of key parts of the system. This role focuses on understanding the system, improving reliability, and driving incremental improvements over time.Looking for a mid-senior engineer with experience modernizing legacy .NET systems and leading architecture decisions.Strong C# / modern .NET experienceExperience working with legacy .NET systems and modernization strategiesSolid SQL Server skills (querying, performance tuning, data modeling)Experience designing and building REST APIsUnderstanding of modern frontend frameworks (React or similar)Familiarity with cloud environments (Azure preferred) and deployment workflowsKnowledge of authentication, security, and access control best practicesExperience with CI/CD pipelines and version control (Git)Ability to assess existing systems and define phased modernization plansStrong understanding of system architecture and performance optimizationComfortable owning projects end-to-end and coordinating with external teamsWhat Youll DoWork within an existing backend platform (APIs, integrations, core services)Own and improve system reliability and performanceIntegrate and manage external providers (casino, sportsbook feeds, payments)Debug and resolve production issues efficientlyDrive incremental improvements to architecture and code qualitySupport new operator integrations and platform configurationsNice to HaveExperience with:fintech, payments, or wallet systemsreal-time or event-driven systemsgaming or betting platformsExperience operating production systems with live usersWhat Youll GetHigh ownership over meaningful parts of the systemHigh opportunity for true career growthDirect impact on a live productOpportunity to grow with the platform as it scalesExposure to complex systems (transactions, integrations, real-time data)TeamLean, technical-first environmentWorking directly with leadership on system and technical decisions