Java Developer

Job Description

Key Responsibilities

• API & Service Development:
• Build RESTful and GraphQL APIs for e-commerce, order management, inventory, pricing, and promotions.
• Database Management:
• Design efficient schemas and optimize performance across SQL and NoSQL data stores.
• Integration Development:
• Implement and maintain integrations with ERP (SAP B1, ERPNext), CRM, logistics, and third-party systems.
• System Performance & Reliability:
• Write scalable, secure, and high-performance code to support real-time retail operations.
• Collaboration:
• Work closely with frontend, DevOps, and product teams to ship new features end-to-end.
• Testing & Deployment:
• Contribute to CI/CD pipelines, automated testing, and observability improvements.
• Continuous Improvement:
• Participate in architecture discussions and propose improvements to scalability and code quality.

Requirements

Required Skills & Experience

• 3–5 years of hands-on backend development experience in Node.js, Python, or Java.
• Strong understanding of microservices, REST APIs, and event-driven architectures.
• Experience with databases such as MySQL/PostgreSQL (SQL) and MongoDB/Redis (NoSQL).
• Hands-on experience with AWS / GCP and containerization (Docker, Kubernetes).
• Familiarity with Git, CI/CD, and code review workflows.
• Good understanding of API security, data protection, and authentication frameworks.
• Strong problem-solving skills and attention to detail.

Nice to Have

• Experience in e-commerce or omnichannel retail platforms.
• Exposure to ERP / OMS / WMS integrations.
• Familiarity with GraphQL, Serverless, or Kafka / RabbitMQ.
• Understanding of multi-brand or multi-country architecture challenges.

Job Description – Senior Java Developer (Spring Boot / Microservices)

Location: Chennai, India

Experience: 4+ Years

Availability: Immediate Joiner

About the Role:

We are looking for a highly skilled Java Developer with over 5 years of hands-on experience in building scalable backend systems using Java, Spring Boot, and Microservices architecture. The ideal candidate will have strong problem-solving skills, deep knowledge of backend frameworks, and a solid understanding of JUnit-based testing.

Key Responsibilities:

• Design, develop, and maintain high-performance backend systems using Java and Spring Boot
• Develop and deploy RESTful microservices in a distributed architecture
• Collaborate with cross-functional teams to define, design, and ship new features
• Write clean, scalable, and testable code following best practices
• Implement unit and integration tests using JUnit and other testing frameworks
• Participate in code reviews and contribute to improving team processes
• Troubleshoot and resolve production issues in a timely manner

Key Skills:

• Strong proficiency in Java
• Expertise in Spring Boot and related modules (Spring Data, Spring Security, etc.)
• Solid understanding of Microservices architecture, REST APIs, and inter-service communication
• Experience with JUnit and writing automated test cases
• Familiarity with CI/CD pipelines and version control (Git)
• Knowledge of containerization (Docker, Kubernetes) is a plus
• Exposure to messaging systems like Kafka or RabbitMQ is a plus
• Familiarity with databases (SQL/NoSQL)

• Contribute to all stages of software development lifecycle
• Design, implement and maintain Java-based applications that can be high-volume and low-latency
• Analyze user requirements to define business objectives
• Envisioning system features and functionality
• Define application objectives and functionality
• Ensure application designs conform with business goals
• Develop and test software
• Identify and resolve any technical issues arising
• Create detailed design documentation
• Propose changes to current Java infrastructure
• Develop technical designs for application development
• Develop multimedia applications
• Write well designed, testable code
• Conducting software analysis, programming, testing, and debugging
• Manage Java and Java EE application development
• Develop documentation to help users
• Transforming requirements into stipulations
• Prepare and produce releases of software components
• Support continuous improvement, investigating alternatives and technologies, and presenting for architectural review

1. 5-7 years hands-on working experience in Java / Spring / Spring Cloud / Spring Data JPA / Spring Boot Microservices
2. Data processing capability
3. Hands-on working experience with GCP/AWS/Azure
4. Hands-on working experience with Junit, Git, Jenkins, Maven
5. Excellent communication skill
6. Experience on Google cloud data flow would be an added advantage

Java, SpringBoot, Problem Solving skill, Apache Beam, AWS/GCP,

Key Responsibilities:

• Rewrite existing APIs in NodeJS.
• Remodel the APIs into Micro services-based architecture.
• Implement a caching layer wherever possible.
• Optimize the API for high performance and scalability.
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required:

• At least 2.5 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
• Excellent hands-on experience using MySQL or any other SQL Database.
• Good knowledge of MongoDB or any other NoSQL Database.
• Good knowledge of Redis, its data types, and their use cases.
• Experience with graph-based databases like GraphQL and Neo4j.
• Experience developing and deploying REST APIs.
• Good knowledge of Unit Testing and available Test Frameworks.
• Good understanding of advanced JS libraries and frameworks.
• Experience with Web sockets, Service Workers, and Web Push Notifications.
• Familiar with NodeJS profiling tools.
• Proficient understanding of code versioning tools such as Git.
• Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
• Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
• Experience building a large-scale social or location-based app.

SQL DBA, IMPLEMENTATION, SQL, DBMS, DATA WAREHOUSING

• Implement best practices for the engineering team across code hygiene, overall architecture design, testing, and deployment activities
• Drive technical decisions for building data pipelines, data lakes, and analyst access.
• Act as a leader within the engineering team, providing support and mentorship for teammates across functions
• Bachelor’s Degree in Computer Science or equivalent job experience
• Experienced developer in large data environments
• Experience using Git productively in a team environment
• Experience with Docker
• Experience with Amazon Web Services
• Ability to sit with business or technical SMEs to listen, learn and propose technical solutions to business problems

·       Experience using and adapting to new technologies

·       Take and understand business requirements and goals

·       Work collaboratively with project managers and stakeholders to make sure that all aspects of the project are delivered as planned

·       Strong SQL skills with MySQL or PostgreSQL

• Experience with non-relational databases and their role in web architectures desired

 Knowledge and Experience:

• Good experience with Elixir and functional programming a plus

• Several years of python experience
• Excellent analytical and problem-solving skills
• Excellent organizational skills

Proven verbal and written cross-department and customer communication skills

Key Skills Required :

1. Proficiency in Python 3.x based web and backend development
2. Solid understanding of Python concepts
3. Strong experience in building web applications using Django
4. Experience building REST APIs using DRF or Flask
5. Experience with some form of Machine Learning (ML)
6. Experience in using libraries such as Numpy and Pandas
7. Hands on experience with RDBMS such as Postgres or MySQL including querying
8. Comfort with Git repositories, branching and deployment using Git
9. Working experience with Docker
10. Basic working knowledge of ReactJs
11. Experience in deploying Django applications to AWS,Digital Ocean or Heroku

Responsibilities :

1. Understanding requirement and congributing to engineering solutions at a conceptual stage to provide the best possible solution to the task/challenge
2. Building high quality code using coding standards based on the SRS/Documentation
3. Building component based, maintainable, scalable and reusable backend libraries/modules.
4. Building & documenting scalable APIs on the Open Spec standard
5. Unit testing development modules and APIs
6. Conducting code reviews to ensure that the highest quality standard are maintained
7. Securing backend applications and APIs using industry best practices
8. Troubleshooting issues and fixing bugs raised by the QA team efficiently.
9. Optimizing code
10. Building and deploying the applications