Lead Java Developer

Role : Java Full Stack Developer

Exp Level : 5+ Years

Location : Hyderabad / Kolhapur & Vishakapatnam

N.P : Immediate to 30 Days Max

Mode of Work : WFO / Hybrid

We are hiring a skilled Full Stack Developer to contribute to the Treadsy Platform—a modern e-commerce ecosystem supporting tire retailers and consumers across multiple brands.

You will work across the full stack, from React / Next.js front-end development to Java Spring Boot microservices , PostgreSQL , and Azure cloud services , delivering high-impact features that support large-scale user transactions.

Key Responsibilities

1. Full Stack Feature Development

Develop end-to-end features across UI → API → Database .

Build responsive UIs using Next.js (13 / 14), React 18, TypeScript, MUI v5 .

Develop scalable Spring Boot microservices with REST APIs and OAuth2 security.

Design PostgreSQL schemas, write optimized SQL queries, and manage database migrations (Liquibase / Flyway).

Build event-driven workflows using Azure Service Bus .

2. API & Microservices Development

Create RESTful APIs with proper versioning, documentation (Swagger / OpenAPI), validation, and error handling.

Implement microservices patterns – service decomposition, retries, circuit breakers, etc.

3. Testing & Quality Assurance

Write unit tests : Jest (UI), JUnit, Mockito (Backend) .

Implement integration tests using TestContainers and E2E tests using Playwright .

Ensure clean, maintainable code through peer reviews and development best practices.

4. Deployment & Monitoring

Work with CI / CD pipelines (Azure DevOps / GitHub Actions).

Deploy services using Docker and Kubernetes.

Monitor production services using Azure Application Insights, Prometheus , and debug performance issues.

5. Collaboration & Agile Delivery

Work closely with product managers, designers, QA, DevOps, and engineering teams.

Participate in sprint ceremonies, architecture discussions, and feature planning.

Own features from design to production rollout.

Core Technical Skills (Must Have)

Front-End

Next.js 13 / 14 , React 18 (Hooks, Lifecycle, State Management)

TypeScript (advanced)

Material UI (MUI v5)

State Management : Redux Toolkit or Context API

Modern JavaScript (ES6+, async / await, functional programming)

CSS / Responsive Design (Emotion, Styled Components, Flexbox, Grid)

Back-End

Java (OOP, Collections, Streams, Lambdas)

Spring Boot 3.x – REST controllers, Spring Data JPA, Spring Security

PostgreSQL – schema design, indexing, query optimization

Message queues : Azure Service Bus / RabbitMQ / Kafka

OAuth2 / JWT Authentication

JUnit 5, Mockito, TestContainers

Additional (Good to Have)

Docker / Kubernetes

Azure Cloud (AKS, ACR, Service Bus, PostgreSQL, Key Vault)

Terraform / IaC

CI / CD (Azure DevOps, GitHub Actions)

Soft Skills & Cultural Fit

Strong problem-solving and debugging ability across the stack

Excellent communication and collaboration skills

Ability to work independently and own features end-to-end

Quick learner, adaptable to new tools and technologies

Focus on clean code, performance, and security best practices

Primary Skills Summary

ES6+, Async / Await, Functional Programming

React 18, Next.js 13 / 14

TypeScript, Redux Toolkit / Context API

Spring Boot, Microservices, REST API design

PostgreSQL, Message Queues

OAuth2 / JWT

CSS / Styling

Jest, JUnit, TestContainers

Secondary Skills Summary

Docker

Kubernetes (Basics)

CI / CD (Azure DevOps, GitHub Actions)

Azure Cloud

Terraform