Design, develop, and maintain secure, scalable, and performant microservices and APIs primarily using C# (.NET Core). Implement, optimize, and manage distributed data pipelines with an intermediate understanding of Apache Spark. Architect and optimize database schemas, queries, and persistence layers using Postgres SQL. Develop lightweight, high-speed server-side components and tools using Node.js. Develop front-end using Angular. Participate in code reviews, define back-end architectural standards, and contribute to infrastructure roadmap planning. Tune application code, database queries, and distributed processes for speed, resource efficiency, and scalability.