Developer

Toppan Merrill; Chennai; On-site; INR 1,800,000 - 2,400,000; Full time

Job summary

Toppan Merrill in Chennai, India, is seeking an experienced Java / microservices lead to architect and deliver scalable eCommerce platforms and headless APIs. You will design, implement and optimise services across search, cart, checkout, and personalization, while aligning with product teams and DevOps for seamless, secure cloud deployments.

The role requires hands-on Java 11+, cloud experience (Azure/AWS/GCP), strong SDLC leadership, and a focus on performance, security, and observability.

Qualifications

• Must have strong Java backend experience and Spring Boot fundamentals.
• Experience designing microservices and cloud deployments (Azure/AWS/GCP).
• Understanding of PCI DSS and OWASP security concepts.
• Experience with SQL tuning and relational databases.
• Proven SDLC exposure from requirements to production support.
• Knowledge of DevSecOps practices and secure coding.

Responsibilities

• Document and implement Java-based eCommerce platforms and headless APIs.
• Lead design of microservices for search, browse, cart, checkout, and personalization.
• Collaborate with Product, UI/UX, and DevOps for end-to-end experiences.
• Integrate with PIM, OMS, CRM, and payment gateways.
• Implement messaging integrations with RabbitMQ and Azure Service Bus.
• Support cloud deployments on Azure/AWS/GCP with security and scalability.
• Drive performance tuning, caching, and low-latency API designs.
• Provide technical leadership across squads and enforce DevSecOps practices.
• Ensure observability with Datadog and Splunk.
• Stay updated on MACH, GenAI opportunities for developers.

Skills

Java 11+

Spring Boot

Microservices

Azure AWS GCP

SQL tuning

DevSecOps

Agile leadership

Agentic tools

PCI DSS OWASP

Education

Bachelor's or Master's in CS/Engineering

Tools

Postgres

Oracle

DB2

RabbitMQ

Azure Service Bus

Datadog

Splunk

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.