Senior Software Engineer - C# / .NET

Job Summary

We re seeking a hands-on Senior Software Engineer to drive application modernization, legacy-codebase stabilization, service/API extraction, and secure integration initiatives. The role combines deep expertise in C#/.NET, Angular, and SQL Server with modern integration engineering using TypeScript; Node.js, gRPC/Protocol Buffers, PostgreSQL, and Microsoft Azure. You will lead integration development and guide architecture decisions, code reviews, and the reliability, security, and maintainability of existing systems.

Experience: 6+ Years

Responsibilities

• Hands on experience with the design, development, modernization, and maintenance of enterprise applications using C#/.NET and Angular.
• Stabilize legacy codebases by addressing technical debt, reliability, performance, and maintainability.
• Design and implement service/API extraction strategies to decouple legacy applications into well-defined, maintainable services.
• Design secure integrations between existing platforms and external systems, covering authentication, authorization, data protection, and error handling.
• Develop and optimize SQL Server queries, stored procedures, and application data-access layers.
• Lead integration development using TypeScript & Node.js and modern API architectures.
• Design and implement service-to-service communication using gRPC and Protocol Buffers.
• Build and maintain PostgreSQL-backed integrations.
• Build, deploy, and support integration components on Microsoft Azure.
• Define API contracts, integration patterns, error-handling approaches, observability, and security standards.
• Troubleshoot complex application, cross-service, and data consistency issues and drive root-cause analysis to resolution.
• Lead architecture discussions, technical design reviews, and code reviews; establish coding standards, testing practices, and reusable development patterns.
• Collaborate with product owners, architects, and engineering teams to turn business requirements into scalable technical solutions.
• Mentor engineers and support delivery planning and estimation.

Requirements

• Minimum 6 years of experience in software development.
• Strong hands-on experience with C#, .NET Framework, and modern .NET.
• Experience building and maintaining enterprise web applications using Angular.
• Strong SQL Server skills, including stored procedures, query optimization, and database troubleshooting.
• Proven experience stabilizing, refactoring, and improving existing enterprise applications.
• Experience extracting services from monolithic or legacy systems and designing maintainable APIs.
• Solid understanding of secure service communication, authentication, authorization, and data protection.
• Strong hands-on development experience with both TypeScript and Node.js.
• Expertise in API design: RESTful APIs, service contracts, integration patterns, and versioning.
• Practical experience designing or implementing gRPC services and Protobuf contracts.
• Experience with PostgreSQL, including schema design, SQL, query optimization, and application integration.
• Experience deploying, integrating, and supporting application services on Microsoft Azure.
• Strong grasp of design patterns, clean code, testing, debugging, and version control (Git).
• Ability to lead design discussions, run architecture and code reviews, and mentor engineers.

Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.