Sr. Software Engineer

Description

Key Responsibilities

• Design, develop, and maintain robust backend services and APIs using C#.NET and ASP.NET (MVC/Web API/Core).
• Implement and optimize data access layers using SQL Server, PostgreSQL, and Snowflake, ensuring reliability, performance, and security.
• Build and enhance responsive, user-friendly web interfaces using React.js or Angular (bonus).
• Design, develop, and integrate RESTful and microservices-based architectures with a focus on scalability, observability, and fault tolerance.
• Write clean, maintainable, and testable code following SOLID principles, design patterns, and best practices.
• Collaborate closely with cross-functional and cross-geography teams (US, Sri Lanka, India) including Product, QA, Data, and Integrations teams.
• Actively participate in daily stand-ups, sprint planning, grooming, and retrospectives, ensuring alignment across time zones.
• Communicate effectively with stakeholders, including US-based product and customer-facing teams, to clarify requirements and provide timely updates.
• Participate in code reviews, provide constructive feedback, and mentor junior engineers (for Senior role).
• Troubleshoot production issues, perform root-cause analysis, and contribute to continuous performance tuning and optimization.
• Take ownership of features end-to-end, including design, development, testing, deployment, and post-release monitoring.
• Contribute to improving team processes, documentation, and engineering practices in a distributed setup.
• Stay updated with emerging .NET, cloud, and front-end technologies and demonstrate a continuous learning mindset.

Requirements

Key Requirements

• Strong hands-on experience (4-7 years) in C#.NET and ASP.NET (MVC/Web API/Core) for building enterprise web applications and services.
• Well versed with coding in AI based IDEs like Cursor or Claude Code.
• Solid experience with relational databases such as SQL Server and PostgreSQL, including schema design, complex queries, indexing, and performance tuning.
• Exposure to or hands-on experience with Snowflake or other cloud data warehouses is highly desirable.
• Good understanding of RESTful APIs, microservices architecture, and application performance tuning.
• Experience with unit testing and integration testing frameworks in the .NET ecosystem.
• Strong problem-solving skills with an ownership mindset and accountability for deliverables.
• Excellent communication skills, with the ability to work effectively in a distributed, cross-timezone team environment.
• Comfortable working with teams and stakeholders in US and Sri Lanka time zones, with flexibility for overlap hours when required.
• Bachelor’s degree in Computer Science, Engineering, or a related field.

Bonus Skills (Nice to Have)

• Experience with Apache Kafka or other event streaming platforms.
• Practical exposure to AWS services (e.g., ECS/EKS, Lambda, RDS, S3) or equivalent cloud platforms.
• Experience with Azure DevOps, Git-based CI/CD pipelines, and automated deployments.
• Front-end development experience with React.js or Angular, including TypeScript and modern build tooling.
• Experience working in data-intensive or integration-heavy systems.