Lead Java Developer

Job Description

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