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.
ResponsibilitiesSkills 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.
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.
Skills Required
- 10+ years of software development experience, including 4–5 years of deep relevant experience
- Extensive experience building secure checkout microservices for online retail e-commerce platforms, particularly Oracle ATG
- Experience with microservices, APIs, and cloud-native services
- Expertise with AWS EC2, S3, and Lambda
- Knowledge of AWS VPC and IAM
- Proficiency with Infrastructure as Code tools such as Terraform
- Experience creating, publishing, and managing APIs with Amazon API Gateway
- Experience migrating monolithic e-commerce applications to MACH-based composable architecture
- Experience with payment integrations, fraud prevention, digital wallets, buy now pay later, and net banking
- Experience developing event-based solutions using Kafka, IBM Middleware, or AWS EventBridge
- Experience building caching solutions with AWS ElastiCache, Redis, or Memcached
- Experience deploying and managing containerized applications using Amazon EKS or ECS
- Experience with DynamoDB, MongoDB, or Amazon RDS
- Experience implementing observability and performance monitoring with CloudWatch, Dynatrace, or X-Ray
- Proficiency developing scalable NoSQL databases, including DynamoDB or MongoDB
- Working experience with REST and SOAP
- Knowledge of data encryption, tokenization, and API security using OAuth, certificates, or API keys
- Experience with API management solutions such as Amazon API Gateway, IBM API Connect, MuleSoft, or Azure
- Ability to provide strategic direction on e-commerce best practices
- Excellent technical, communication, analytical, interpersonal, presentation, and client-interaction skills
- Experience with MACH-compliant platforms such as CommerceTools, Flooid Commerce, or BigCommerce
- Experience with on-premises e-commerce platforms such as Oracle E-Commerce
Zensar Technologies Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Zensar Technologies and has not been reviewed or approved by Zensar Technologies.
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Retirement Support — A 401(k) with company match and immediate vesting is highlighted, with broad fund options available.
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Wellbeing & Lifestyle Benefits — Work-life balance, remote/hybrid flexibility, and supportive teams are emphasized as strengths that enhance the overall experience.
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Parental & Family Support — Inclusive policies such as parental leave and access to EAP and dependent medical coverage are promoted across regions.
Zensar Technologies Insights
What We Do
Zensar is a leading experience, engineering, and technology solutions company. We conceptualize, build, and manage digital products for Forbes Global 2000 clients across the hi-tech engineering, banking and financial services, insurance, manufacturing and consumer services verticals. With proven excellence across five core areas, including experience services, advanced engineering services, data engineering and analytics, foundation services, and application services, our solutions leverage industry-leading platforms to help our clients be competitive, agile, and disruptive while moving with velocity through change and opportunity. Zensar’s expansive ecosystem of 60+ technology partners, including Oracle, Salesforce, SAP, Guidewire, Automation Anywhere, Adobe, and UiPath, enables us to deliver comprehensive solutions to clients, facilitating seamless integration and allowing them to leverage cutting-edge technologies and tools for enhanced business outcomes. Zensar is part of the USD 4.4 billion RPG Group. With headquarters in Pune, India, our 10,500+ employees, representing over 50 nationalities, work from 30+ locations across North America, UK/Europe, and South Africa. Visit us at www.zensar.com

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