Role Title:
Informix 4GL and .NET Developer

Location: Chennai

We are seeking an experienced Informix 4GL and .NET Developer to support core application development, maintenance, production support, and modernization initiatives. The role requires strong hands-on technical capability across legacy 4GL platforms and up-to-date Microsoft .NET technologies, with the ability to analyze existing application logic, support business-critical systems, and contribute to secure, scalable, and high-performing solution delivery.

The successful candidate will be expected to demonstrate technical ownership, delivery discipline, production stability focus, and the ability to work effectively with cross-functional teams including business, infrastructure, DBA, testing, and support teams.

Key Responsibilities
- Application Development and Maintenance
- Develop, enhance, and maintain Informix 4GL programs, modules, forms, reports, and batch processes.
- Analyse and modify ALPS application logic, workflows, interfaces, and business rules in line with approved requirements.




- Ensure application changes are designed, developed, tested, and implemented with appropriate quality controls.
- Database and Performance Management
- Write, maintain, and optimise Informix SQL queries, stored logic, and database interactions.
- Support SQL tuning, performance analysis, data validation, and reconciliation across integrated systems.
- Work with DBA and infrastructure teams to resolve database-related incidents and performance bottlenecks.
- Modernization and .NET Integration
- Contribute to application modernization by analysing legacy business logic and supporting migration or integration with .NET-based solutions.
- Design and develop hybrid solutions involving Informix 4GL, .NET, APIs, and supporting integration components.
- Production Support and Troubleshooting
- Investigate, troubleshoot, and resolve production incidents, application defects, batch failures, and performance issues.
- Provide

📌 Informix 4GL Developer (Chennai)
🏢 HCLTech
📍 Chennai