Senior Full-Stack Developer – .NET Core with React
Intellistaff Services Pvt. Ltd
Job Description & Responsibilities
About the Role
We are looking for experienced Senior Full-Stack Developers with strong expertise in C#, .NET Core and React to develop and maintain scalable enterprise applications.
The role is primarily backend-focused, with approximately 80–90% .NET Core development and 10–20% React development.
Candidates with experience in Banking, BFSI, Financial Services, Capital Markets, Stock Exchange, Trading or FinTech applications will be preferred.
Experience: 5–8 Years
Job Locations: Chennai / Pune
Employment Type: Full-Time
Work Mode: Hybrid
Key Responsibilities
- Design, develop and maintain scalable applications using C# and .NET Core.
- Develop robust backend services and REST APIs using modern .NET technologies.
- Develop and maintain user interfaces using React.
- Design and implement event-driven and distributed application architectures.
- Work with XML, XSD, XPath and XML-based integration workflows.
- Develop and optimize SQL queries, stored procedures and database components.
- Integrate applications with internal and external systems using APIs, messaging and event-driven mechanisms.
- Translate business and technical requirements into scalable software solutions.
- Participate in code reviews, technical discussions, debugging and performance tuning.
- Develop unit and integration tests.
- Troubleshoot complex production issues and perform root-cause analysis.
- Work closely with Business Analysts, Architects, QA and development teams.
- Participate in Agile/Scrum ceremonies.
- Track development activities using Jira.
- Contribute to coding standards, technical documentation and engineering best practices.
Mandatory Technical Skills
Backend
- Strong hands-on experience with C#
- Strong experience with .NET Core / ASP.NET Core
- REST APIs / Web API
- Object-Oriented Programming
- Design Patterns and Clean Coding Practices
- Asynchronous Programming and Multithreading
- Distributed Systems / Event-Driven Architecture
Frontend
- React / ReactJS
- JavaScript / TypeScript
- HTML5 / CSS3
- REST API integration with frontend applications
Database
- Strong SQL and relational database knowledge
- Query optimization and performance tuning
- Entity Framework / ADO.NET / Dapper
Integration
- XML
- XSD
- XPath
- XML validation and transformations
- API / Messaging / Event-driven integrations
Preferred Experience
- Banking / BFSI
- Financial Services
- Capital Markets
- Stock Exchange
- Trading Applications
- FinTech
Experience with Kafka, RabbitMQ or other messaging/event-streaming technologies will be an added advantage.
Candidate Profile
We are looking for candidates who are
- Strong in backend development using C# and .NET Core
- Comfortable working with React as part of full-stack development
- Experienced in building enterprise-grade applications
- Strong in API development and database programming
- Familiar with distributed/event-driven systems
- Strong in debugging and production issue resolution
- Comfortable working in Agile/Scrum environments
Location
Chennai / Pune
Candidates who are currently based in or willing to work from Chennai or Pune are preferred.
Interested candidates can apply with their updated profile.
About Intellistaff Services Pvt. Ltd
Required Skills
Job Details
Posted by
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Posted on:
19 Aug 2026
About Intellistaff Services Pvt. Ltd
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