Sumit Ajmera

Senior Software Engineer

Gurugram, Haryana, India6 yrs experience
AI EnabledAI ML Practitioner

Key Highlights

  • Achieved 350% revenue boost in payment workflows.
  • Designed dynamic UI frameworks for payment services.
  • Developed multi-tenant patient portals enhancing user engagement.
Stackforce AI infers this person is a Fintech and Healthcare-focused Software Engineer with expertise in microservices and payment systems.

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Skills

Core Skills

DjangoMicroservicesReact.jsJavaProgram ManagementArtificial Intelligence (ai)

Other Skills

REST APIsAmazon S3EC2RabbitMQTwillioPostgreSQLAmazon Web Services (AWS)Python (Programming Language)Amazon DynamodbCelerySendGridAmazon SQSDjango REST FrameworkSystem MonitoringOpenTelemetry

About

Results-driven Software Engineer with 3.5+ years of proven expertise at PBN and Amazon Development Centre and a strong background in microservices architecture. Skilled in Python and React, I enhanced payment workflows, achieving a 350% revenue boost. Known for my problem-solving abilities and delivering high-impact solutions that drive operational efficiency in healthcare technology.

Experience

6 yrs
Total Experience
1 yr 3 mos
Average Tenure
10 mos
Current Experience

Premji invest

Senior Software Engineer

Aug 2025Present · 10 mos

DjangoREST APIsAmazon S3EC2RabbitMQTwillio+15

Practice by numbers

Software Engineer

Mar 2023Aug 2025 · 2 yrs 5 mos · Gurugram, Haryana, India · On-site

  • ⋄ Designed and developed a new microservice from scratch to manage Terminal, ACH, and online payments,ensuring seamless transactions across all PBN modules, processing $50M monthly transaction volumes.
  • ⋄ Boosted payments revenue by 350% through optimized payment workflows and user-centric enhancements.
  • ⋄ Pioneered an EMI-simile payment module - Payment Plans, allowing recurring, flexible payment options for patients and improving retention rate. Implemented backend automation for monthly payment processing using Celery beat and Django ORM
  • ⋄ Integrated Stripe and Adyen as third-party payment processors in the microservice, improving transaction reliability and expanding payment options.
  • ⋄ Developed a Django-based multi-tenant patient portal, automating routine tasks and improving user engagement
  • and operational efficiency. Owned the project end-to-end, including requirement gathering, database schema design (PostgreSQL), and full-stack implementation.
  • ⋄ Designed a custom authentication and authorization system for microservices, enhancing access control.
  • ⋄ Optimized appointment scheduling, reducing latency by 250%, leading to faster booking, confirmation and cancellations using Celery and Redis.
  • ⋄ Integrated system monitoring tools such as Prometheus, Grafana, and jaeger, using open telemetry format logging.
  • ⋄ Received an award for excellence in delivery and ownership in company’s R&R session.
JavaREST APIsSpring BootSwagger APIAmazon S3Object-Oriented Programming (OOP)+10

Amazon payment services

Software Engineer

Jan 2022Mar 2023 · 1 yr 2 mos

  • Worked in Payment Services which is a $800 billion Payments Engine. I was part of Payment Services Centralized Configuration Store.
  • Designed and Implemented generic Dynamic UI Generation framework to generate UI on basis of Schema language using JavaScript and reactJS.
  • Worked on development of payment Method related configurations store, which will ease down client payment method onboarding from 32 weeks to 1 week.
  • Orchestrated a Custom Authorization framework to provide an additional security layering for backend service in Java Coral Spring Framework.
  • Collaborated on a solution to reduce latency of UI layer for payment services configuration store from 24 seconds to 4 seconds.
  • Received award for operational excellence for delivering multiple key projects and resolving long-standing issues.
  • Designed and Implemented some components of Dynamic Routing which can minimize loss and order drop due to external partner processor failures.
  • Developed the end to end UI layering and api controllers for Processor outage mitigation tool, wh ich was a UI layeringfor Dynamic Routing using ReactJS, and Java
  • Worked on implementing and enhancing components in an UI layer for payment services centralised configuration store using Ruby on Rails framework.
  • Worked on automation of monitors and alarms of 3 services using code package via an internal amazon
  • framework Benderlib.
Program ManagementArtificial Intelligence (AI)React.jsRuby on RailsMarketing

Hey coach | tech interview coaching

Software Engineer Intern

Sep 2020Jun 2021 · 9 mos

  • Worked on an Artificial Intelligence driven chatbot system for automation of tech interview process and analysis
  • Build the entire educational framework for the super 30 - a batch-based preparation module for tech interview
  • Managed and mentored multiple interns on different streams including education, sales, and program management

Zero bugs club

Technical Head

Aug 2020Jun 2021 · 10 mos · Vit chennai

Ieee computer society vit chennai

Student Lead

Mar 2019Dec 2019 · 9 mos · Vit chennai

Education

SBS memorial school

Vellore Institute of Technology

Jun 2018Jun 2022

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