AWS Lead Developer with ATG Exp

This role entails the Lead Developer to migrate the existing on-premises Online E-commerce (ATG) Cart, Checkout, Payment Systems and Pricing systems and their day-to-day processes to MACH compliant SaaS Ecommerce Engine.

At Zensar, we're "experience-led everything". We are committed to conceptualizing, designing, engineering, marketing, and managing digital solutions and experiences for over 130 leading enterprises. We are a company driven by a bold purpose: Together, we shape experiences for better futures. Whether for our clients, our people, or the world around us, this belief powers everything we do. At the heart of our culture is ONE with Client - a set of four core values that reflect who we are and how we work: One Zensar, Nurturing, Empowering, and Client Focus.

Part of the $4.8 billion RPG Group, we're a community of 10,000+ innovators across 30+ global locations, including Milpitas, Seattle, Princeton, Cape Town, London, Zurich, Singapore, and Mexico City. Explore Life at Zensar and join us to Grow. Own. Achieve. Learn. to be the best version of yourself.

We believe the best work happens when individuality is celebrated, growth is encouraged, and well-being is prioritized. We are an equal employment opportunity (EEO) and affirmative action employer, committed to creating an inclusive workplace. All qualified applicants will be considered without regard to race, creed, color, ancestry, religion, sex, national origin, citizenship, age, sexual orientation, gender identity, disability, marital status, family medical leave status, or protected veteran status.

10+ years of experience with last 4-5 years in depth, and extensive experience of building secure Checkout micro services solution in Online Retail E-Commerce platforms (ATG).

Skills required to contribute:

Hands-on (Must have) 10+ years of working experience:

• 10+ years of experience with last 4-5 years in depth, and extensive experience of building secure Checkout micro services solution in Online Retail E-Commerce platforms (ATG).

• Experience on microservices, APIs and a deep understanding of cloud-native services

• Core AWS services: Expertise in Amazon Elastic Compute Cloud (EC2), Amazon Simple Storage Service (Amazon S3) and AWS Lambda for building and deploying serverless functions is essential

• Knowledge on Amazon Virtual Private Cloud (Amazon VPC), AWS Identity and Access Management (IAM)

• Infrastructure as Code (IaC) - proficiency with tools like Terraform

• Amazon API Gateway - creating, publishing and managing the APIs that allow microservices to communicate with one another.

• Proven experience of migrating eCommerce applications from Monolithic to MACH based Composable Architecture, with specializing in Checkout micro services.

• Experience with MACH compliant Ecommerce platform like CommerceTools, Flooid Commerce, Big Commerce is preferred however knowledge on similar MACH/SaaS systems will also be good.

• Strong understanding of payment Integrations and Fraud prevention tools.

• Hands-on experience in integrating various Payment systems ex- Digital wallets (Apple Pay, Google Pay), Buy Now Pay later, Net banking.

• Experience in developing event-based solutions e.g., Kafka, IBM Middleware, AWS Event Bridge

• Experience with any on-premises ecommerce platforms like Oracle e-commerce is added benefit

• Experience in building caching solutions e.g. AWS Elastic cache, Redis, MemCache.

• Containerization - deploying and managing containerized applications using services like Amazon Elastic Kubernetes Service (Amazon EKS) or Amazon Elastic Container Service (Amazon ECS).

• Database management - working with AWS databases like Amazon DynamoDB, MongoDB for NoSQL needs or Amazon RDS for relation data.

• Performance monitoring - implementing observability with Amazon CloudWatch to monitor application performance track metrics and set alarms.

• Good understanding of how an online e-commerce platform works end to end.

• Experience in data monitoring tools like Dynatrace, AWS Cloudwatch, X ray

• Proficient in developing scalable No-SQL databases e.g., AWS DynamoDB, MongoDB.

• Working experience with REST, SOAP is must.

• Working knowledge on data encryption, tokenization.

• Working knowledge on securing APIs e.g., using OAuth, Certificates or API keys.

• Experience of different API Management solutions (Amazon API Gateway, IBM API Connect, MuleSoft, Azure etc.) for Retail Vertical and implemented for different customers

• Ability to provide strategic direction to business and IT teams on best practices for Ecommerce use cases.

• Excellent technical, communication, analytical, interpersonal, and presentation skills. Strong client interaction experience.