Senior Full Stack Developer AI Assisted Application Modernization

Project i.Pharmacy Product Modernization

Legacy PowerBuilder Application Modern Angular & Java Quarkus Platform

Role Summary

We are seeking experienced Full Stack Developers to join a large-scale healthcare application modernization program. The successful candidate will participate in modernizing a mature enterprise pharmacy management system from PowerBuilder to a contemporary web architecture built using Angular, Java Quarkus, REST APIs, and SQL database.

The role requires developers who are comfortable working with AI-assisted development tools such as GitHub Copilot and are enthusiastic about adopting Agentic AI techniques to accelerate analysis, code generation, validation, and testing.

The ideal candidate should possess strong analytical skills to understand legacy applications, perform functional and technical analysis, and modernize existing business functionality while preserving application behavior.

Key Responsibilities

Legacy Application Analysis

- Analyze existing PowerBuilder application modules
- Understand business workflows and screen behavior
- Analyze DataWindows, embedded SQL, stored procedures, and business logic
- Produce functional and technical analysis documents using AI-assisted tools

Application Modernization

- Modernize PowerBuilder screens into Angular applications
- Develop REST APIs using Java Quarkus
- Design reusable Angular components
- Domian Driven development / Building Modular Application
- Integrate frontend with backend services
- Ensure functional equivalence with the legacy application

Database Development

- Understand relational database models
- Work with MS SQL Server
- Analyze existing SQL, determine the validity of the DB objects, identify and recommend the equivalent advanced methods
- Optimize queries




- Understand stored procedures and database objects

API Development

- Design REST APIs
- Develop Quarkus services
- Implement authentication and authorization
- Follow OpenAPI standards
- Develop reusable service components

AI Assisted Development

Developers are expected to actively use AI tools throughout the development lifecycle.

Activities include

- Functional analysis using GitHub Copilot
- Technical analysis
- Code modernization
- Code explanation
- Refactoring
- Unit test generation
- Documentation generation
- Prompt refinement
- Agent-assisted development

Quality Engineering

- Perform code reviews
- Execute unit testing
- Resolve static analysis findings
- Support integration testing
- Fix functional defects

Collaboration

- Work closely with Architects
- Business Analysts
- Product Owners
- QA Engineers
- DevOps Engineers

Mandatory Technical Skills

Frontend

- Angular 16 (Angular 18/19/20/21 preferred)
- TypeScript
- RxJS
- Angular Signals (preferred)
- HTML5
- CSS3 / SCSS
- Responsive Design

Backend

- Java 17
- Quarkus
- REST APIs
- MicroProfile
- CDI
- Hibernate/JPA

Database

Strong SQL skills

Experience with SQL Server

Knowledge of

- Stored Procedures
- Query Optimization
- Data Modeling
- Views
- Indexing

API Technologies

- REST
- JSON
- JWT
- OAuth2 / OpenID Connect
- OpenAPI / Swagger

DevOps

- Git
- GitHub
- Maven
- Jenkins / GitHub Actions
- Docker (preferred)

AI Skills (Highly Preferred)





Experience using one or more AI development tools:

- GitHub Copilot
- GitHub Copilot Chat (Preferred)
- Copilot Agent Mode (Preferred)
- Claude
- ChatGPT
- Amazon Q Developer

Should be able to:
- Write effective prompts
- Refine AI generated code
- Validate AI generated output
- Debug AI generated implementations
- Improve AI accuracy through iterative prompting

Preferred Experience

Experience with one or more:

- PowerBuilder
- Legacy modernization
- Enterprise healthcare applications
- Pharmacy applications
- Hospital Information Systems
- Large enterprise applications

Soft Skills

- Strong analytical thinking
- Ability to understand complex legacy systems
- Excellent debugging skills
- Problem-solving mindset
- Ability to work with distributed teams
- Strong communication skills

Nice to Have

- Keycloak
- AWS
- Kubernetes
- SonarQube
- Static Code Analysis
- Caching (Redis)
- CI/CD
- Observability
- OpenTelemetry

Experience

- 5 to 10 years of software development experience
- Minimum 3 years in Angular
- Minimum 3 years in Java
- Experience modernizing enterprise applications is preferred

What Success Looks Like The successful candidate should be able to:

- Analyze legacy PowerBuilder modules with minimal supervision.
- Produce high-quality functional and technical analysis documentation using AI-assisted techniques.
- Modernize legacy functionality into Angular and Java Quarkus while preserving business behaviour.
- Effectively leverage GitHub Copilot and AI agents to improve development productivity and code quality.
- Deliver secure, maintainable, and reusable components aligned with the project's architecture and coding standards.
- Collaborate effectively with architects, business analysts, and QA teams to deliver high-quality modernization outcomes.

📌 MODULE LEAD - Java (Chennai)
🏢 Happiest Minds Technologies
📍 Chennai