Sivashankar V
Verified Expert in Engineering
Full-stack Developer
Bengaluru, Karnataka, India
Toptal member since March 21, 2025
With 10 years of experience, Sivashankar is a full-stack developer with Angular, C#, and .NET expertise. He specializes in front-end development, REST APIs, web services, and desktop and ASP.NET applications. He has developed enterprise-level solutions for multinational corporations, including a hospital ERP system and a PLC source control platform. Focusing on scalability, security, and performance, Sivashankar has contributed to healthcare, manufacturing, fintech, and telecommunications.
Portfolio
Experience
- C# - 10 years
- SQL - 10 years
- NgRx - 5 years
- Angular - 5 years
- JavaScript - 5 years
- TypeScript - 5 years
- Amazon Web Services (AWS) - 2 years
- PostgreSQL - 2 years
Availability
Preferred Environment
Angular, NgRx, C#, SQL, .NET, VB.NET, REST APIs, PostgreSQL, TypeScript, JavaScript
The most amazing...
...thing I've developed is a reporting tool that enables users to create reports without SQL knowledge by selecting fields to generate queries instantly.
Work Experience
Senior Software Engineer
Siemens Gamesa Renewable Energy
- Developed a source control management software for PLC programming, enabling check-in/check-out, version history, and streamlined collaboration.
- Backtracked and fixed a long-standing legacy bug by analyzing multiple services and projects, ensuring stability and improved performance.
- Secured all application binaries to comply with European standards for all products, ensuring enhanced security and compliance.
Senior Software Engineer
L&T Technology Services
- Developed a global ERP for hospitals to manage provider details, recruit doctors, and track work history. Users can create reports without SQL using a simple paint/read-only mode.
- Handled the entire application flow, from gathering stakeholder requests to implementation, ensuring seamless development and delivery.
- Migrated a Silverlight application to Angular, achieving 100% improved performance and stability, ensuring a modern and efficient user experience.
Software Engineer
TVS
- Developed an application for a motorcycle company to manage vehicle sales, spare parts, service, and warranty maintenance, ensuring streamlined operations and efficiency.
- Repurposed existing Windows application code to develop a responsive, high-performance web application, enhancing stability and usability.
- Boosted business and increased software sales by 50% after migrating to a modern web application with an enhanced UI and new features.
Software Engineer
Intelligent Soft Solutions
- Developed a web-based loan management system for railway employees, replacing the Windows version and removing on-premise installations. This reduced costs, saved effort, and improved efficiency for management and employees.
- Optimized long-running queries to improve efficiency during financial year-end processing and audits, ensuring faster and more reliable results.
- Reduced the process cycle time for each transaction drastically with the app's development, enabling management to operate more efficiently and scale the business effectively.
Experience
Global ERP Solution for Hospital Provider Management & Reporting
Education
Bachelor's Degree in Computer Science
SRM TRP Engineering College - Tiruchirappalli, Tamil Nadu, India
Skills
Libraries/APIs
NgRx, RxJS, REST APIs, Node.js, Windows Forms (WinForms)
Languages
C#, TypeScript, JavaScript, SQL, VB.NET, Visual Basic 6 (VB6)
Frameworks
Angular, .NET, ASP.NET
Paradigms
REST
Platforms
Amazon Web Services (AWS)
Storage
PostgreSQL
Other
Web Services, Computer Science, Software Development, Programming, PLC
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