Java/Spring Boot Developer – eCommerce

Sigma Infosolutions Ltd.; Bengaluru; On-site; INR 800,000 - 1,200,000; Full time

Job summary

Sigma Infosolutions Ltd. is seeking a skilled Java/Spring Boot Developer to enhance their eCommerce platform in Bengaluru. The ideal candidate will have significant experience in developing high-performance online shopping systems. Responsibilities include building RESTful APIs and enhancing system reliability and scalability.

Candidates should possess strong skills in Java, Spring Boot, PostgreSQL, and eCommerce processes. Familiarity with Docker and cloud platforms is a plus. Join us in creating effective solutions in a dynamic work environment.

Qualifications

• 5+ years of experience in Java development, specifically with Spring Boot.
• Proficient in developing RESTful APIs and backend microservices.
• Strong understanding of eCommerce business processes.

Responsibilities

• Develop and maintain RESTful APIs and backend microservices using Java and Spring Boot.
• Collaborate with cross-functional teams to deliver secure and scalable solutions.
• Integrate with key modules like payment gateways and inventory systems.

Skills

Java (8 or above)

Spring Boot

RESTful APIs

Microservices

eCommerce processes

PostgreSQL

Docker

Git

Tools

JIRA

Confluence

AWS

Azure

GCP

Job description

Java/Spring Boot Developer – eCommerce Domain

Experience: 5+ yrs | Location: Bangalore | Work time: 4pm to 1am

About the Role

We are seeking an experienced Java/Spring Boot Developer with a strong background in eCommerce platforms and applications. The ideal candidate will design, develop, and optimize scalable backend systems and microservices to deliver high-performance online shopping and order management experiences. Exposure to logistics or supply chain systems will be an added advantage.

Key Responsibilities

• Develop and maintain RESTful APIs and backend microservices using Java and Spring Boot.
• Collaborate with frontend, DevOps, QA, and product teams to deliver secure, scalable eCommerce solutions.
• Integrate with key modules such as payment gateways, product catalogs, order management, inventory, and shipping systems.
• Enhance system performance, reliability, and scalability for high‑traffic online stores.
• Design and optimize relational and NoSQL database models (MySQL, PostgreSQL, MongoDB, etc.).
• Implement best practices for application security, authentication, and data protection.
• Troubleshoot and resolve production issues with a focus on performance and customer impact.

Required Skills & Experience

• Strong proficiency in Java (8 or above) with hands‑on experience in Spring Boot and Spring Security frameworks.
• Experience in developing and integrating RESTful backend APIs and microservices with modern frontend frameworks such as React.js, Next.js, or similar technologies.
• Solid understanding of eCommerce business processes — product catalog, cart, checkout, order lifecycle, pricing, and customer management.
• Experience integrating with payment gateways, shipping APIs, and third‑party eCommerce platforms.
• Expertise in JPA/Hibernate, PostgreSQL and database schema design.
• Experience with message queues and asynchronous processing.
• Exposure to Docker, CI/CD pipelines, and cloud platforms (AWS, Azure, or GCP).
• Version control proficiency with Git and collaborative tools (JIRA, Confluence, etc.).
• Experience in customizing and developing solutions on Magento / Adobe Commerce, Shopify / Shopify Plus, or other eCommerce platforms.

Good to Have

• Experience or understanding of Logistics, Supply Chain Management, or Warehouse Management Systems (WMS).
• Experience using application monitoring and performance tools (New Relic, Grafana, ELK, etc.).

Soft Skills

• Strong analytical, problem‑solving, and debugging abilities.
• Excellent communication and teamwork skills.
• Ability to work independently in a fast‑paced, agile development environment.