Reliance Hiring 2026: Summer Trainee (Core Java, Web & SQL) | Mumbai (Job ID 87178315)

Company: Reliance Industries Limited (RIL) / Group Companies
Job Title: Summer Trainee
Job ID / Requisition: 87178315
Function / Business Area: Technology / Application Development (Others)
Posting Date: October 01, 2026
Employment Type: Temporary / Internship Trainee (Full-Time)
Experience Requirement: Fresher (0 Years)
Location: Mumbai, Maharashtra, India

Reliance Industries Limited is one of India’s largest conglomerates, operating across energy, petrochemicals, retail, digital services (Jio), and enterprise technology. The company leverages massive internal application development ecosystems to power its digital infrastructure and business management platforms.

The Summer Trainee position provides engineering freshers with hands-on exposure to enterprise web development and database management. Located in Mumbai, trainees work directly with software development teams on full-stack web applications utilizing Java enterprise technologies (Core Java, JSP, Servlets, JDBC) and relational databases (SQL).

• Requirement Analysis: Review project specifications, functional design documents, and user stories to understand software requirements.
• Application Coding & Development: Write clean, maintainable code for web applications using Core Java, JavaServer Pages (JSP), and Servlets.
• Database Integration: Establish secure database connectivity using JDBC (Java Database Connectivity) and write efficient SQL queries for data retrieval and manipulation.
• Software Testing & Debugging: Perform unit testing, integration testing, and bug fixing to ensure application stability and security.
• User Experience (UX) Analysis: Analyze user interface workflows, gather usability feedback, and optimize application performance for end-users.

Academic Background

• Degree: Bachelor of Engineering (B.E.) or Bachelor of Technology (B.Tech) in Computer Science, Information Technology, Electronics, or related technical disciplines.
• Experience Level: Fresher (0 Years) / Final-year engineering students eligible for summer training programs.

Mandatory Technical Skills

• Core Java: Solid understanding of Object-Oriented Programming (OOP) concepts, collections framework, exception handling, and multithreading.
• Java Web Technologies: Hands-on understanding of JSP (JavaServer Pages) and Servlets for dynamic web application development.
• Database & Connectivity: Strong knowledge of SQL (DDL, DML, joins, subqueries) and JDBC for Java-database interaction.

Essential Soft Skills

• Analytical mindset and structured problem-solving skills.
• Clear written and verbal communication.
• Learning agility and enthusiasm for building enterprise-grade applications.

• Estimated Trainee Stipend: ₹20,000 to ₹35,000 per month, depending on academic performance and evaluation.
• Program Benefits:
  • Direct hands-on experience building enterprise web modules within Reliance’s technology infrastructure.
  • Professional mentorship from experienced software architects and leads.
  • Certificate of Traineeship with potential pathways to Graduate Engineer Trainee (GET) or Pre-Placement Offers (PPO).

1. Profile Application & Resume Shortlisting (Job ID: 87178315)
   (Verification of B.E./B.Tech degree, Core Java/SQL coursework, & Mumbai location fit)
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2. Online Technical & Coding Assessment
   (Questions on Core Java concepts, SQL queries [JOINs, GROUP BY], & basic web development)
   ↓
3. Technical Interview Round 1 (Java & Web Development)
   (Deep dive into OOP principles, Servlets lifecycle, JSP tags, JDBC connection steps, & SQL queries)
   ↓
4. Technical & HR Interview Round 2
   (Discussion on academic projects, scenario-based problem solving, communication, & internship availability)
   ↓
5. Offer Rollout & Onboarding (Mumbai Campus)

• Core Java Fundamentals: Inheritance, Polymorphism, Abstraction, Encapsulation, Exception Handling, Interfaces, Abstract Classes, and ArrayList / HashMap.
• Servlets & JSP Lifecycle: Servlet life cycle methods (init, service, destroy), HttpServletRequest vs. HttpServletResponse, Session Management, and JSP implicit objects.
• Database & JDBC Steps: Loading JDBC driver, creating Connection, executing statements (PreparedStatement vs. Statement), handling ResultSet, and writing SQL INNER/LEFT JOIN queries.

• Programming & Technologies: Core Java, JSP (JavaServer Pages), Servlets, JDBC, SQL, HTML, CSS, JavaScript
• Database & Storage: Relational Databases (RDBMS), MySQL, Oracle SQL, JDBC API, Database Connectivity, Query Optimization
• Software Engineering: Application Development, Requirement Analysis, Unit Testing, Software Debugging, User Experience Analysis
• Role & Track: Summer Trainee, Fresher, B.E., B.Tech, Application Engineering, Enterprise Software

1. What is the Job ID for this Summer Trainee position?

The official job requisition ID is 87178315.

2. What educational degree is required for this role?

Candidates must hold or be pursuing a B.E. or B.Tech degree in Computer Science, IT, or related engineering branches.

3. What technical skills are mandatory for this position?

The role explicitly requires knowledge of Core Java, JSP, Servlets, SQL, and JDBC.

4. Where is the work location for this traineeship?

The position is located in Mumbai, Maharashtra, India.