Hybrid Java Tech Lead en Toppan Merrill

Job Description:

About the Role

We're looking for a Java Tech Lead with 10-12 years of experience and a deep understanding of building high-performing, scalable, and personalized digital commerce solutions. You’ll lead the technical implementation of customer-facing storefronts, integrations, and backend services that power modern digital experiences. This role blends strong hands-on Java expertise with the strategic mindset needed for digital transformation and integration with pre-existing components running on non-Java platforms.

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.

Must-Have Skills

• Core Tech: Java 11+ (preferably Java 17 or 21), Spring Boot, J2EE, RESTful APIs
• Architecture: Microservices, Design Patterns
• DevOps: Jenkins, Docker, Bitbucket/GitHub, CI/CD pipelines
• Cloud: Hands-on experience with Azure/ 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
• 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

• Cloud Certifications (AWS Solution Architect, Azure Architect, etc.)
• 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.