Senior Backend Engineer (.NET Core)

Job Title: Senior Backend Engineer (.NET Core) Location: Remote Hours: 8:00 AM to 5:00 PM, Pacific Time Employment Type: Full-Time Salary: $45,000 - $55,000 USD Company: U.S. - based enterprise SaaS platform We are looking for an experienced Senior Backend Engineer who excels in designing and building high-performance, scalable, and secure backend systems using .NET Core, C#, SQL, and modern ORMs such as Dapper and Entity Framework. This is a hands-on role suited for an engineer who thrives in solving complex backend challenges and has a deep understanding of design patterns and architectural best practices. You’ll be joining a high-impact team driving innovation in backend services, data integration, and enterprise-grade API development. Experience leveraging AI productivity tools like ChatGPT, Claude, or GitHub Copilot is highly valued, as is familiarity with third-party service integration. Key responsibilities Architect and implement scalable, maintainable backend services using .NET Core and C#Design and optimize complex SQL Server queries, procedures, and schemas using Dapper, Entity Framework, and ADO.NETApply industry-standard design patterns to structure robust and flexible software componentsBuild and consume RESTful APIs, and integrate with third-party platforms (e.g., SaaS, third party payment gateways & SSO, HR systems)Leverage AI-based coding tools to enhance development speed, code quality, and testingCollaborate with cross-functional teams (Frontend, Product, QA, DevOps) to deliver end-to-end featuresImplement secure coding practices, manage access control (OAuth2/JWT), and ensure data privacyTroubleshoot performance bottlenecks, scalability issues, and data integrity concernsParticipate in design reviews, architecture discussions, and continuous improvement efforts Required qualifications 5–7 years of backend development experience with .NET Core and C# in production environmentsStrong expertise in SQL Server, including query optimization, schema design, and stored proceduresProficient with Dapper, Entity Framework, and data access patternsStrong hands-on knowledge of software design patterns (e.g., Repository, Factory, CQRS, Singleton, DI)Demonstrated experience with REST API design, authentication/authorization flows, and secure communicationsProven track record of integrating with third-party APIs and servicesActive use of AI coding assistants (e.g., ChatGPT, Claude, GitHub Copilot) in your workflowSolid understanding of performance optimization, system scalability, and resilient architecturesFamiliarity with Git, modern CI/CD pipelines, and deployment practicesExperience working with cloud platforms (preferably Azure or AWS)Exposure to event-driven architectures, microservices, or message queues (e.g., RabbitMQ, Kafka)Experience with Docker and container orchestration (e.g., Kubernetes)Familiarity with domain-driven design (DDD) or clean architectureBackground in observability, logging, and monitoring practices Nice to have Basic knowledge of Angular and ability to collaborate effectively with front-end developersProficiency in Python with the flexibility to adapt and pivot as project needs evolve Why join us Work on challenging, meaningful problems with enterprise-level impactLeverage cutting-edge tools and modern AI technologiesCompetitive compensation, benefits, and growth opportunitiesFlexibility to work remotely