🔔 FCM Loaded

Sr Developer for OMS

Zensar Technologies

4 - 5 years

Bengaluru

Posted: 01/01/2026

Getting a referral is 5x more effective than applying directly

Job Description

Hands-on (Must have) 8+ years of working experience:

  • 8+ years of experience with last 4-5 years in depth, and extensive experience of building and deploying OMS and Inventory management systems within an e-commerce ecosystem; on-premises and cloud.
  • 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 OMS and Inventory usecase/integrations.
  • Experience with MACH compliant OMS platform like Fluent Commerce, Fulfillment Tools is preferred however knowledge on similar MACH/SaaS systems will also be good
  • Experience in developing event-based solutions using messaging systems or a middleware e.g., Kafka, IBM Middleware, AWS Event Bridge.
  • 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.
  • Experience with Oracle e-commerce platform is added benefit.
  • Experience in building caching solutions e.g., AWS Elastic cache, Redis, MemCache.
  • Good understanding of how an online Ecommerce platforms works end to end.
  • Experience with data extraction tools to support business teams. Like ETL.
  • Experience in data monitoring tools like Dynatrace, AWS Cloudwatch, X ray
  • Excellent technical, communication, analytical, interpersonal, and presentation skills. Strong client interaction experience.




  • Advantage Zensar


We are a digital solutions and technology services company that partners with global organizations across industries to achieve digital transformation. With a strong track record of innovation, investment in digital solutions, and commitment to client success, at Zensar, you can help clients achieve new thresholds of performance. A subsidiary of RPG Group, Zensar has its HQ in India, and offices across the world, including Mexico, South Africa, UK and USA.


Zensar is all about celebrating individuality, creativity, innovation, and flexibility. We hire based on values, talent, and the potential necessary to fill a given job profile, irrespective of nationality, sexuality, race, color, and creed. We also put in policies to empower this assorted talent pool with the right environment for growth.


At Zensar, you Grow, Own, Achieve, Learn.

Services you might be interested in

Improve Your Resume Today

Boost your chances with professional resume services!

Get expert-reviewed, ATS-optimized resumes tailored for your experience level. Start your journey now.