Senior Domain Expert

Role & responsibilities

• Own assigned application modules from requirement analysis through development, testing, deployment, and production support.
• Design and develop scalable enterprise applications using Java and Spring Boot.
• Design, develop, integrate, and troubleshoot REST APIs.
• Design and optimize PostgreSQL database structures, queries, and data-access mechanisms.
• Analyze existing application architecture and recommend technical improvements.
• Develop and integrate frontend functionality using React, JavaScript, HTML, and CSS.
• Analyze complex business requirements and translate them into scalable technical solutions.
• Provide technical solutions for complex business and integration requirements.
• Perform detailed code reviews and ensure coding, security, performance, and maintainability standards.
• Troubleshoot critical application and production issues.
• Coordinate with Business Analysts, Product teams, QA, DevOps, UI/UX, and customer stakeholders.
• Support system integration, SIT, UAT, Go-Live, and production-support activities.
• Guide junior and intermediate developers on technical implementation and troubleshooting.
• Review API specifications, database design, application flows, and integration requirements.
• Support application modernization, migration, customization, and legacy application integration.
• Identify performance, security, and scalability issues and recommend improvements.
• Prepare technical design documents, API documentation, and solution specifications.

Preferred candidate profile

Technical Skills

Mandatory

• Strong Java development experience
• Strong Spring Boot
• REST API architecture, development, integration, and troubleshooting
• PostgreSQL and advanced SQL
• React
• JavaScript
• HTML / CSS
• Postman / Swagger/OpenAPI or equivalent REST API tools
• Git / GitLab or equivalent Version Control System
• Maven or equivalent build/dependency management tools

Version Control & Development Practices

• Strong hands-on experience with Git-based version control.
• Experience with GitLab/GitHub/Bitbucket or equivalent repositories.
• Good understanding of branching strategies, merge requests/pull requests, tagging, and release management.
• Perform commits, branching, merging, rebasing where applicable, and conflict resolution.
• Conduct and participate in peer code reviews.
• Ensure proper versioning and traceability of source code and application releases.
• Coordinate with DevOps teams for source-code builds, deployment packages, and release activities.
• Follow defined development, branching, code-review, and release-management standards.

Preferred Technical Skills

• Hibernate
• Spring Security / OAuth2
• Microservices architecture
• Redis / caching concepts
• API Gateway and integration concepts
• Application security and OWASP awareness
• Performance tuning
• CI/CD and DevOps
• Docker/containerization exposure

Electricity / Utility Domain Expertise

Strong knowledge of Electricity CIS / Utility business processes is preferred.

The candidate should ideally have experience in multiple areas such as:

• Customer/Consumer Management
• Electricity Billing
• Metering
• Bill Calculation and Tariff
• Payments and Collections
• Disconnection & Reconnection (D&D)
• New Service Connection
• Complaint Management / Customer Service
• Centralized Call Centre
• Energy Audit
• MIS / Transaction Reports
• Utility and third-party integrations
• Customer Web/Mobile Applications
• Workflow and business-rule-based processing

Domain Expert Responsibilities

• Understand electricity business processes and guide the development team on correct functional implementation.
• Validate technical solutions against utility business requirements.
• Identify gaps between existing application functionality and business requirements.
• Support customer discussions and requirement clarification.
• Provide domain inputs for application customization and product enhancements.
• Review module-level functionality and ensure end-to-end business flow.
• Support resolution of critical functional and technical issues.
• Guide team members on utility-domain processes and application implementation.

Leadership & Team Responsibilities

• Provide technical guidance and mentoring to junior and intermediate developers.
• Review code and ensure adherence to development standards.
• Assist in technical estimation and task planning.
• Coordinate with cross-functional teams for timely delivery.
• Take ownership of technical risks, dependencies, and critical issues.
• Contribute to continuous improvement of development and release processes.

Education

Bachelor's/Master's degree in Computer Science, Information Technology, Engineering, or a related discipline.

Candidate Profile

The ideal candidate should combine strong hands-on Java/Spring Boot development skills with practical Electricity/Power Utility domain knowledge.

The candidate should be capable of owning modules end-to-end, guiding team members, interacting with stakeholders, reviewing technical solutions, and providing both technical and domain-level solutions.