Description

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.

Responsibilities

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. Solid client interaction experience.

📌 AWS Lead Developer with ATG Exp (India)
🏢 Zensar Technologies
📍 India