Java Developer

Toppan Merrill; Chennai; On-site; INR 2,800,000 - 6,000,000; Full time

Job summary

Toppan Merrill in Chennai, India is hiring a senior Java professional to design and build robust eCommerce platforms, microservices, and headless APIs for exceptional digital experiences. You will collaborate with product, UI/UX, and DevOps teams, integrate with PIM/OMS/CRM, and champion DevSecOps, observability, and scalable cloud deployments on Azure/AWS/GCP.

The role emphasizes performance, security, and system reliability, with GenAI-assisted tooling to accelerate development and testing in

Qualifications

• Experience building Java-based eCommerce platforms and microservices.
• Cloud experience with Azure/AWS/GCP and security-focused deployment.
• Relational databases and SQL tuning.
• Knowledge of PCI DSS and OWASP security practices.
• Domain experience in digital commerce.

Responsibilities

• Document and implement Java eCommerce platforms and APIs.
• Lead microservice design for customer journeys.
• Configure and support Azure SQL/DBs.
• Collaborate with Product, UI/UX, and DevOps teams.
• Integrate PIM, OMS, CRM and payment gateways.
• Use messaging queues (RabbitMQ, Service Bus) for real-time events.
• Support cloud deployments on Azure/AWS/GCP.
• Drive performance tuning and low-latency APIs.
• Mentor engineers and enforce DevSecOps.
• Define observability with Datadog and Splunk.
• Stay updated on MACH and GenAI for commerce.

Skills

Java 11+

Spring Boot

J2EE

RESTful APIs

Microservices

Design Patterns

Azure Cloud

AWS

GCP

SQL

Postgres

Oracle

DB2

SDLC

DevSecOps

PCI DSS/OWASP

Digital commerce

Agile leadership

GenAI tools

Customer-centric

Education

Bachelor’s or Master’s in CS/Engineering

Tools

RabbitMQ

Azure Service Bus

Datadog

Splunk

New Relic

Terraform

GitHub Copilot

Amazon Q Developer

Job description

Job Description:

Key Responsibilities

• Document and implement robust Java-based eCommerce platforms, storefront services, and headless APIs for digital experiences.
• Lead design and implementation of microservices for customer journeys such as search, browse, cart, checkout, and personalization.
• Experience designing, configuring and supporting RDBMS solutions in Azure Cloud.
• Work closely with Product Managers, UI/UX teams, and DevOps engineers to ensure seamless end-to-end customer experiences.
• Integrate with key systems like PIM, OMS, CRM, payment gateways, and third-party personalization engines.
• Design and implement component integration solutions using message brokers such as AMQP based messaging solutions such as RabbitMQ, Azure Service Bus for real-time data processing, order events, customer activity tracking, etc.
• Support cloud-native deployments on Azure, AWS or GCP ensuring scalability, availability, and security.
• Drive performance tuning, caching strategies (Hazelcast, Redis), and low-latency API designs for high traffic storefronts.
• Provide technical leadership across squads, mentor engineers, and enforce best practices around DevSecOps and CI/CD.
• Ensure observability requirements are defined and met using tools such as Datadog and Splunk.
• Stay abreast of the latest in commerce tech, MACH architecture, and GenAI innovations relevant to digital commerce, including agentic AI for developer productivity.

Must-Have Skills

• Core Tech: Java 11+ (preferably Java 17 or 21), Spring Boot, J2EE, RESTful APIs
• Architecture: Microservices, Design Patterns
• Cloud: Hands-on experience with Azure(preferred)/ AWS / GCP (2+ years; certification preferred)

• Databases: Postgres/Oracle/DB2/SQL, SQL tuning

• Full-cycle exposure to SDLC stages: requirements, development, testing, deployment and on-going operations
• Understanding of DevSecOps practices and eCommerce-specific security concerns (PCI DSS, OWASP)
• Domain Expertise: Experience in digital commerce
• Messaging & Integration: Messaging queue or streaming tools for backend-to-frontend event correlation and third-party integrations
• Agile Leadership: Strong understanding of Scrum, backlog grooming, iteration planning, technical sizing
• Experience with agentic coding tools (e.g., OpenCode, ClaudeCode, or equivalent) for accelerating Java development, test automation, and CI/CD workflows.
• Customer-Centric Mindset: Ability to build as well as verify secure, fast, and intuitive systems for high engagement and conversion

Nice-to-Have Skills

• Experience with Domain-Driven Design.
• Front-end familiarity with React (especially for headless commerce architectures)
• Experience with application performance monitoring and distributed log tools (New Relic, Datadog, Splunk)
• Previous work with GenAI tools like GitHub Copilot or Amazon Q Developer
• Experience with data governance including controlling access to PII.
• RFP and pre-sales solution design experience for digital commerce platforms
• Design and implement solutions that externalized business rules in dedicated testable business rules engine
• Evaluate and integrate third-party APIs, legacy systems (.NET, IBM iSeries), REST and GraphQL services.
• Knowledge of infrastructure-as-code solutions such as Terraform.
• Understanding of product catalog and session management at scale

Preferred Certifications

• Java / Spring Certification
• eCommerce platform certifications (SAP Commerce Cloud, Salesforce Commerce Cloud, Adobe Commerce/Magento – a plus)

Education

• Bachelor’s or Master’s degree in Computer Science, Engineering, or equivalent experience.