OverviewInsight Global is seeking a

Senior Software Developer

to join a global financial services organisation as part of a large-scale Operations and Cyber Remediation programme. The team is

responsible for modernising a portfolio of business-critical applications used across operational functions , many of which are heavily reliant on

SQL Server and legacy stored procedure-based architectures .This individual will be the most senior developer within a small team and will play a key role in transforming legacy SQL-driven functionality into modern, reusable C# services. The work will support broader application modernisation initiatives, improve maintainability, enhance security, and contribute to the organisation's cyber remediation objectives.The ideal candidate will possess deep

SQL Server expertise alongside robust C# development experience

and be comfortable providing technical leadership on how legacy database-centric functionality should be redesigned into scalable service-based architectures.

Day-to-Day ResponsibilitiesIn this role, you will work across a range of business-critical applications that are currently undergoing modernisation as part of a wider cyber remediation initiative. You will analyse complex SQL Server stored procedures and database-driven business logic, designing and implementing modern C# services that improve scalability, maintainability, and reusability across multiple platforms.You will contribute directly to ongoing

SQL Server migration efforts

while partnering with architects and engineers to define best practices for application modernisation.



The role requires hands-on development across both SQL and C#, with approximately a 50/50 split between the two technologies.You will provide thought leadership around architectural decisions, identifying opportunities to move business logic away from the database layer and into reusable services. Additionally, you will support automated testing, CI/CD initiatives, code quality improvements, and application hardening efforts while collaborating with a high-performing engineering team delivering strategic operational projects.

Must-Haves8+ years of software development experienceExpert-level SQL Server and T-SQL developmentExtensive experience with complex stored procedures, query optimisation, and database designStrong C# .NET development experienceExperience modernising legacy applications and database-heavy architecturesExperience converting business logic from SQL/stored procedures into service-based architecturesStrong understanding of software engineering principles, design patterns, and scalable application developmentExperience working within CI/CD environmentsStrong analytical problem-solving and troubleshooting skillsComfortable working independently with minimal supervision

PlussesJavaScript development experienceAngular or React experienceExperience building modern UI componentsFinancial Services or Capital Markets experienceSQL Server migration experienceCyber remediation or application hardening project experienceTerraform or Infrastructure-as-Code exposureExperience leveraging AI-assisted development tools (e.g., GitHub Copilot)Experience implementing automated testing frameworks and release pipelines

📌 Senior Software Engineer (Mumbai)
🏢 Insight Global
📍 Mumbai