
Hiralal Khamitkar
Verified Expert in Engineering
Artificial Intelligence Engineer and Developer
Seoul, South Korea
Toptal member since May 24, 2023
Hiralal is a full-stack developer with over 14 years of experience in back-end, front-end, and cloud technologies. He developed an AI-powered autonomous incident management system for a global robotics company. The system integrates CRM, cloud infrastructure, communication channels, meeting tools, and on-call paging with autonomous diagnosis and resolution workflows, significantly reducing the mean time to recovery in a live enterprise production environment.
Portfolio
Experience
- Java - 17 years
- Full-stack - 13 years
- Spring Boot - 10 years
- Cloud - 8 years
- Python - 5 years
- Artificial Intelligence (AI) - 3 years
- Large Language Models (LLMs) - 3 years
- Node.js - 2 years
Work Experience
Senior Engineer
Grey Orange Inc.
- Developed WMS Robotics Automation features and owned end-to-end delivery of an AI-based incident management system. Worked on Kafka, Redis, InfluxDB, Kubernetes, HPA, Argo CD, and Terraform.
- Delivered SavyInt solutions for critical customer requirements, implemented OAuth/SCIM integration, and provided on-call production support while consistently meeting SLA commitments.
- Oversaw the launch of an AI-based SRE solution capable of autonomously diagnosing and resolving production issues, reducing manual intervention and minimizing overall Mean Time to Resolution (MTTR).
- Deployed the Kafka message filtering feature to avoid downtime when the consumer is stuck with a bad message.
SI Solution Architect
Hyundai Card & Commercial (Freelancer)
- Worked on a next-generation project to migrate a 10-year legacy system. Designed and developed the front and back end with sustainable, scalable technologies and tools available in the market.
- Used React Native, Java, SpringBoot, PostgreSQL, and AWS as primary technologies to implement the solution.
- Catered to 1 million existing customers and 300 concurrent users, creating a complete migration plan for the next four years and identifying risks related to user experience, modernization, and functional requirements.
Application Engineer
Renesas Electronics Corporation - Main
- Developed a prototype for a simulation platform in Figma.
- Designed front- and back-end architecture with planning for simulation and calling the back end with an AI agent API.
- Deployed initial project structure and architecture.
Senior Back-end Developer
LangTalk LLC
- Designed and developed the back-end architecture and integrated OpenAI and Gemini models to call assistant APIs, completion APIs, transcription, and speech services.
- Used the following tech stack for this project: Rust with Axum, DynamoDB, Redis, AWS Lambda, CloudWatch, AWS Cognito, and AWS CDK.
- Launched the mobile app recently on the App Store. https://apps.apple.com/kr/app/langtalk-learn-languages/id6478437989?l=en-GB.
Full-stack Developer
Lightrow LLC
- Designed and developed back-end services with Java, Spring Boot, DynamoDB, and Cognito for secure, scalable operations. Ensuring seamless integration with back-end APIs and delivering a responsive user experience.
- Migrated the existing API to connect with the DynamoDB schema. Migrated an existing product from PostgreSQL to DynamoDB and set up AWS infrastructure with automated pipelines using CloudFormation and CDK.
- Launched the back end with full API documentation. Built and maintained front-end applications using React and TypeScript.
Web App Developer
Zhenyao Liu
- Developed AI-based SAT preparation platform using Amazon Cognito, Amazon RDS, PostgreSQL, MongoDB, Java, SpringBoot, and OpenAI API. Automated Amazon ECS-based CI/CD to deploy front and back end using GitHub Actions.
- Designed and developed an MVP to manage user authentication, skill assessment for SAT preparation, progress tracking, and online assistance using an OpenAI chatbot.
- Deployed MVP within two months. Added chatbot feature to support students.
Software Developer
Cooks Doors and Mouldings Inc.
- Automated Confluence workflow to search and place orders using macro, table filter, and Zapier. Created product catalog for more than 1,000 products within Confluence.
- Used marketplace tools like Zapier to establish one-way data sync between Google Sheets and Confluence.
- Improved team's daily operations to search products, place orders, and add shipping details. Integrated Confluence with Freshdesk CRM.
Back-end Developer
Toptal Client
- Designed and developed Jira to Freshdesk automation workflow using the Atlassian marketplace tool. Configured workflow, business rules, projects, workspaces, and user access across both platforms.
- Tracked and monitored daily transactions. Worked with an external vendor to fix the workflow issues. Developed script for automation to accommodate tool customizations.
- Launched fresh workflows on the production within two weeks.
Full-stack Developer
Toptal Client
- Developed a web application with an AI image generation platform for OpenTensor validators, a display image history for users with pagination, and a human validation platform to validate images generated by these validators.
- Used React, TypeScript, Tailwind CSS, Vite, Firebase, Firestore, and REST APIs. Integrated the front end with Sentry to track bug fixes. Used Firebase authentication, Firestore, and Firebase Realtime Database to store user data.
- Launched within a month and consistently enhanced the product by incorporating features from the backlog and integrating user feedback.
- Worked on TensorAlchemy platform as FE developer.
Full-stack Developer
Toptal Client
- Developed a React Native mobile app that will be used for 10,000 existing users using technologies such as React Native (Android/iOS), Expo SDK, Java, Spring Boot, REST API, Git, Amazon ECS, and Amazon RDS (PostgreSQL).
- Collaborated with the UX team to design the complete architecture and established a Git-based CI/CD pipeline for AWS deployment using Amazon ECS.
- Tracked UAT issues using Git and deployed the initial version of the product into AWS to access mobile over the internet. Oversaw product handover to the business. Developed and deployed React Native app (Android/iOS) on Expo.
Staff SDE II
Sopra Banking Software
- Designed and developed front- and back-end architecture and APIs for digitizing a global lending platform. Ensured cross-platform optimization for the core financing product for more than 4,000 users.
- Used Jira and Bitbucket integration for end-to-end change management flow. Collaborated with graphic designers, business users, and TA to meet technical and consumer needs.
- Decreased OPEX by 90% by helping a client, a leading finance company in South Korea, to conduct complete digitalization and reduce the number of their branches from 20 to two.
Staff SDE I
Sopra Banking Software
- Defined end-to-end architecture for Sopra's retail financing product rollout in North America. Evaluated and implemented new technology. This core financing solution will cater to more than 25 million loans and more than 3,000 users in coming years.
- Led a team of 5-6 developers to design, develop, and deploy complex requirements from global stakeholders within the Hyundai account. Evaluated development and testing processes and provided optimization opportunities for faster code development.
- Launched a retail financing product for Hyundai Capital America with over 25 million active contracts.
Technology Specialist
Cassiopae (Sopra Banking Software)
- Led a team to handle the knowledge transfer setup and communication between L1, L2, and L3 teams.
- Identified a list of changes and provided solutions to the customer's enterprise and solution architecture teams. Worked with customer architects and the DevOps team to deliver incremental releases. Resolved performance and integration issues.
- Rolled out a new version of a product for Hyundai Capital Korea with more than 25,000,000 active contracts.
Team Leader
Cassiopae (Sopra Banking Software)
- Developed an end-to-end web app for asset-based retail financing. Owned and delivered multiple product modules with a team of 1-3 members. This was a pilot project done for one of the leading financing companies in South Korea with 300 users.
- Tracked bugs and fixed them using Jira. Conducted penetration testing using JMeter, SoapUI, and JProfiler.
- Launched a pilot product for Hyundai Commercial Korea with more than 115,000 active end customers.
Associate Consultant
Capgemini India
- Set up a cluster of master-slave nodes to distribute big data. Developed MapReduce jobs to query big data. Demonstrated the whole system by crawling data from social media sites and creating sales leads. Presented this idea to Capgemini RnD.
- Used crawling engine data as input to store in HDFS and create reports with MapReduce framework processing.
- Oversaw a new product launch from conception to finished state for one of the leading banks in India.
Software Engineer
Capgemini India
- Developed a web application based on Java, Spring, JSR 186/268, IBM WebSphere, and mainframe for managing sales leads for HSBC Bank. When the web-based module was opened, it had more than 1,000 users.
- Tracked and fixed bugs using HP Quality Center. Owned the full contract history module in DIT, SIT, and UAT.
- Launched the contact history module with an increase in the bank's business and reduced OPEX by managing more than 25,000 sales leads daily.
Project History
Butler Robotics Automation
https://www.greyorange.com/• Designed and developed an AI SRE with a self-hosted MCP server that can access customer environments and debug and fix production issues.
LangTalk LLC
https://apps.apple.com/kr/app/langtalk-learn-languages/id6478437989?l=en-GB.TASKS
• Managed 1–5 people.
• Designed and developed the back-end architecture and integrated OpenAI and Gemini models to call assistant APIs, completion APIs, transcription, and speech services.
• Used the following tech stack for this project: Rust with Axum, DynamoDB, Redis, AWS Lambda, CloudWatch, AWS Cognito, and AWS CDK.
• Launched the mobile app recently on the App Store. https://apps.apple.com/kr/app/langtalk-learn-languages/id6478437989?l=en-GB.
TensorAlchemy
For this project, I used React, TypeScript, Tailwind CSS, Vite, Firebase, Firestore, and REST APIs. I integrated the front end with Sentry to track bug fixes and used Firebase authentication, Firestore, and Firebase Realtime Database to store user data.
The project went live within a month. I continuously added product features based on the product backlog and user feedback.
Peer-to-peer Lending Platform
Result: Developed customer onboarding, KYC, and rewards features. Distributed mobile app using Expo SDK for Android and iOS. Deployed Spring Boot REST API's back end on AWS using ECS and Docker.
TESTIMONIAL
"We have had the pleasure of working with Hiralal. Throughout his time with us, Hiralal has been a valuable team member, consistently demonstrating professionalism, dedication, and a strong work ethic. His contributions to our projects have been commendable, and his positive attitude has made him a pleasure to collaborate with. We wish Hiralal all the best in his future endeavors." - Lewis Madafi, CEO, Wisrod Investment Pvt Lt.
Digitization of Retail and Commercial Lending Platform
The digital app is available in the Apple Store. It has been reviewed by more than 4,000 customers and has a rating of 4.0.
It's a fully digitized solution with a scalable back-end architecture catering to end-to-end finance businesses that reduces OpEx by a huge margin.
Project links: https://apps.apple.com/kr/app/%EA%B3%A0%ED%8A%B8%EB%9F%AD/id1136113285?l=en
https://apps.apple.com/kr/app/%ED%98%84%EB%8C%80%EC%BA%90%ED%94%BC%ED%83%88/id396080329?l=en0
Sopra Financing Platform
https://www.soprabanking.com/financing-platform/I acted as a technical and product consultant, leading a team of 10-15 developers to design, develop, and deploy complex requirements from global stakeholders within major international accounts. Also, I oversaw governance of security penetration testing, application performance management, and financial regulations with the customer IT team. Finally, I managed the entire front- and back-end development of intermediate projects such as digitization, corporate financing, commercial lending, and asset rental.
The core financing solution was rolled out in three countries Korea, America, and China. On average, the user base is between 3,500 and 20 million end customers on each site.
SFP Wholesale
https://www.soprabanking.com/wholesale-dealer-finance/Volkswagen Finance Platform
Education
Bachelor's Degree in Information Technology
University of Pune - Pune, India
Certifications
Project Management Professional (PMP)
Project Management Institute (PMI)
Agile Scrum Foundation
Simplilearn
Skills
Libraries/APIs
OpenAPI, REST APIs, Node.js, OpenAI API, JasperReports, React, Vue, Jira REST API, Stripe, TanStack Table
Tools
Git, Apache Tomcat, Jira, Confluence, Bitbucket, GitHub, Kafka Streams, Amazon Simple Queue Service (SQS), Keycloak, Amazon Elastic Container Service (ECS), AWS Cloud Development Kit (CDK), Amazon Cognito, Terraform, Claude Code, Elastic
Languages
Java, JavaScript, SQL, CSS, HTML5, HTML, TypeScript, Python, Rust, Python 3, Erlang
Frameworks
Spring Boot, Angular, JSF, Spring Microservice, Hadoop, AngularJS, React Native, Spring, Redux, Spring Security, Spring Batch, Tailwind CSS, Django, Express.js
Paradigms
Test-driven Development (TDD), Agile, REST, Web Application Architecture, Microservices, Agile Software Development, API Architecture, DevOps, Asynchronous Programming, Microservices Architecture, Model Context Protocol (MCP)
Platforms
Oracle, Jakarta EE (Java EE or J2EE), JBoss, Linux, Windows, Amazon Web Services (AWS), AWS Lambda, IBM WebSphere, Kubernetes, Firebase, Google Cloud Platform (GCP), Apache Kafka, MacOS, Ubuntu, Docker, Web
Storage
DB, PL/SQL, Oracle PL/SQL, Data Integration, MySQL, JSON, Amazon S3 (AWS S3), Amazon Aurora, Amazon DynamoDB, Apache Hive, NoSQL, MongoDB, PostgreSQL, Data Synchronization, InfluxDB
Other
AWS Cloud Architecture, SOAP, Web Applications, IT Projects, Asset-based Finance, Fintech, Application Security, Applications, Scrum Master, Software Architecture, High Code Quality, Estimations, WebLogic, EclipseLink, Technical Architecture, Front-end Development, Back-end Development, API Integration, Full-stack, Technical Leadership, Team Leadership, APIs, Solution Architecture, Serverless, PDF, IT Management, Distributed Systems, Open Source, Rentals, Website Integration, Data Migration, API Design, Big Data, Project Management Professional (PMP), CI/CD Pipelines, Cloud, Project Leadership, Spring Cloud, Scrum Product Owner, Digitization, SaaS Design, User Experience (UX), Process Automation, Containers, Identity & Access Management (IAM), MSX, Artificial Intelligence (AI), Gemini, OpenAI, Gemini API, Product Owner, Scrum Coaching, Scalable Web Services, Architecture, Full-stack Development, Confluence API, Web Development, Springbot, AWS ECS Fargate, Axum, Open-source LLMs, Large Language Models (LLMs), Java Technical Architecture, Memory Leaks, Agentic AI, Cloud Architecture, Job Schedulers, Observability, Anthropic
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