Verified IT Work Experience Program

Java Enterprise & Spring Microservices Internship

Engineer enterprise-grade distributed microservices using Java 21, Spring Boot 3, Kafka, and Docker.

3 - 6 Months
Online / On-site
Experience Letter + LOR
1-on-1 Lead Mentorship
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Role Overview

Step into the shoes of an enterprise Java backend developer. In this internship program, you will architect, build, and deploy resilient, distributed microservices using Spring Boot 3, Kafka, and Docker, solving real problems of scale, security, and high concurrency.

Tools & Stack You Will Use

Java 21 Spring Boot 3 Spring Cloud Kafka PostgreSQL Docker JUnit 5 Microservices

What You Will Receive

  • Verified Experience Certificate: Company-issued credential recognizing duration.
  • Letter of Recommendation (LOR): Signed recommendation from tech lead for top performers.
  • Production GitHub Repos: Live pull requests, commits, and verified public repositories.
  • Interview & Placement Support: Direct client interview opportunities & referrals.

Eligibility & Candidates

  • Final year & pre-final engineering/IT students
  • Fresh graduates looking for company experience
  • Career switchers seeking real-world portfolios

Commercial Projects You Will Build

Real-world product blueprints and enterprise deliverables

1 Enterprise Workspace & Microservices Architecture

Live Milestone
  • Maven/Gradle multi-module project structures & Java 21 LTS features (Virtual Threads, Records)
  • Enterprise Git branching, code conventions & SonarLint IDE setup
  • Microservices architecture blueprint: Service Discovery, API Gateway & Config Server
  • Setting up local Kafka brokers and PostgreSQL containers with Docker Compose

2 Spring Boot 3 REST Services & Spring Data JPA

Live Milestone
  • Domain-Driven Design (DDD) & layered architecture (Controller, Service, Repository, DTO)
  • Spring Data JPA, Hibernate query optimization, indexing & caching
  • Bean Validation (Jakarta), custom exception handling & global error controllers
  • Spring Security 6 with JWT token validation and OAuth2 resource servers

3 Event-Driven Systems & Distributed Messaging

Live Milestone
  • Publishing & consuming high-throughput events with Apache Kafka
  • Managing Kafka consumer groups, partitioning & dead-letter queues (DLQ)
  • Inter-service communication with Spring Cloud OpenFeign & Resilience4j Circuit Breakers
  • Distributed tracing with Micrometer, OpenTelemetry & Zipkin

4 Database Transactions & Distributed State

Live Milestone
  • Managing database transactions (`@Transactional`), isolation levels & propagation
  • Saga Pattern for distributed transaction management across microservices
  • Redis caching for distributed sessions and hot database entity lookup
  • Flyway database migration scripts and zero-downtime schema upgrades

5 Automated Testing & Enterprise Code Quality

Live Milestone
  • Unit testing with JUnit 5 & Mockito for business service layers
  • Integration testing with Spring Boot Test & Testcontainers for real database assertions
  • Contract testing with Spring Cloud Contract / Pact
  • Code review standards: Clean Code, SOLID principles & SonarQube quality checks

6 CI/CD Pipelines, Kubernetes & Production Sign-off

Live Milestone
  • Building minimal Docker images using GraalVM Native Image / Eclipse Temurin
  • Automated GitHub Actions CI/CD to build JARs, run test suites & push Docker images
  • Deploying Spring Boot workloads to Kubernetes clusters with health probes (`Actuator`)
  • Final enterprise project presentation, code architecture defense & experience credentialing

Agile Work Culture & Daily Routine

How you collaborate inside your developer pod each week

1

Daily Standups & Sprints

Participate in 15-minute morning standups, track sprint backlog items in Jira, and define daily feature goals.

2

Feature Engineering

Write clean, modular code following design patterns, database migrations, and API contract specifications.

3

PR Reviews & Quality Gates

Submit GitHub pull requests, receive 1-on-1 feedback from senior tech leads, and pass automated CI test pipelines.

4

Cloud Staging & Demo

Deploy live containerized features to cloud staging environments and demonstrate working software during sprint reviews.

Local Internship Campuses & Dev Centers

In-person & hybrid developer seats in Coimbatore & Chennai

Coimbatore • Internship

Java Enterprise & Microservices Architecture
Chennai • Internship

Java Enterprise & Microservices Architecture

Career & Skill Roadmaps:

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Limited Seats Per Batch

Start Your Professional Journey Today

Join our Java Enterprise & Spring Microservices Internship and gain verified company work experience, senior mentorship, and a production-grade portfolio.

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