Omkar Sai Chandra Velaga
Summary
- Experienced Software Engineer with over 6+ years of experience in designing, developing, and deploying scalable backend systems in the finance and insurance domains .
- Proficient in Java 17 , Spring Boot , and microservices architecture , building high-performance APIs for secure and distributed enterprise platforms.
- Skilled in developing RESTful and GraphQL APIs , integrating complex systems using Kafka , RabbitMQ , and API Gateways .
- Strong hands-on experience with AWS (EC2, ECS, Lambda, S3, RDS, CloudWatch) , Azure , and GCP for deploying and maintaining cloud-native applications.
- Experienced in database design and optimization using Oracle, PostgreSQL, MySQL, MongoDB, Cassandra , and Redis .
- Proficient in DevOps and Infrastructure as Code (IaC) practices using Jenkins, Docker, Kubernetes, Terraform, Ansible , and GitHub Actions .
- Adept at implementing OAuth2, JWT , and RBAC for secure access and compliance in financial and healthcare platforms.
- Strong foundation in Object-Oriented Design (OOD) , design patterns , and Domain-Driven Design (DDD) for scalable, maintainable software architecture.
- Experienced in Agile/Scrum environments , collaborating with cross-functional teams for rapid development and delivery.
- Passionate about clean code, automation, and performance tuning , consistently delivering reliable, high-quality software solutions.
Overview
6
6
years of professional experience
Work History
Software Engineer
Tech Wave Solution Inc
01.2022 - Current
- Led a cross-functional team of 6 engineers , promoting microservices best practices and CI/CD automation to improve software reliability and delivery speed.
- Designed and implemented a Customer Account Management System using Spring Boot microservices and PostgreSQL , ensuring secure, real-time data synchronization between departments.
- Developed a Loan Management System (LMS) for processing loan applications, approvals, and repayment schedules with automated interest calculations using Spring Boot and React.js .
- Integrated credit score validation APIs and implemented a workflow engine to manage loan lifecycle events (application → approval → repayment).
- Implemented a Credit Card Limit Management Service using Kafka and PostgreSQL , enabling dynamic updates to customer credit limits based on spending behavior.
- Built Employee Payroll System utilizing Oracle DB for automated salary calculations and payslip generation, reducing manual HR workload by 40%.
- Developed a Tax Calculation API for real-time tax computation on transactions, integrating with Oracle to update tax rules dynamically.
- Created data synchronization microservices to manage customer loan and payment data across distributed systems.
- Designed RESTful APIs for loan applications, repayments, and delinquency management integrated with front-end portals.
- Implemented JWT-based authentication and role-based access control for financial modules, improving system security.
- Deployed microservices on AWS ECS and RDS , improving uptime and scalability by 30%.
- Enhanced system observability using Prometheus and Grafana , setting up real-time dashboards and alerts for production monitoring.
- Streamlined CI/CD pipelines with Jenkins, Docker, and Terraform , cutting deployment times by 50% and standardizing build processes.
- Collaborated with business analysts and QA teams in Agile sprints to refine requirements and ensure timely delivery of key features.
Software Engineer
Truist Bank
06.2019 - 12.2021
- Developed and maintained Credit Card Fraud Detection System using Java, Spring Boot, and Python , identifying suspicious transactions in real time based on transaction patterns.
- Implemented machine learning-based anomaly detection algorithms using Python (Scikit-learn) and integrated them into backend microservices via REST APIs.
- Designed and deployed microservices for fraud scoring and alert generation, improving detection accuracy by 35%.
- Built Transaction Monitoring Dashboard with React.js and Node.js , allowing fraud analysts to visualize alerts and user behavior patterns.
- Created real-time data ingestion pipeline with Kafka and PostgreSQL , enabling high-throughput processing of payment transactions.
- Developed Customer Notification Service to send automated alerts via email and SMS for flagged transactions, enhancing customer trust.
- Collaborated with data engineering teams to optimize SQL queries and improve fraud rule execution time by 40%.
- Integrated third-party fraud intelligence APIs for cross-verification of high-risk transactions.
- Implemented role-based access control and secure authentication mechanisms using Spring Security and JWT for all fraud monitoring modules.
- Built batch jobs to process historical transactions for periodic fraud risk audits and reporting.
- Deployed backend services on AWS ECS and RDS , ensuring high availability and fault tolerance.
- Automated CI/CD pipelines using Jenkins and Docker , reducing manual deployment time and minimizing downtime during updates.
- Created data archival and audit trails using AWS S3 and Lambda for compliance and reporting requirements.
- Participated in Agile ceremonies (daily standups, sprint reviews, retrospectives), ensuring on-time delivery of high-priority features.
- Worked closely with business analysts and data scientists to refine fraud detection models and validate system performance using real transaction data.
Education
Masters in Management - Information Technology
St Francis College
New York, NYSkills
- Java and Python
- JavaScript and TypeScript
- SQL and NoSQL databases
- HTML5 and CSS3
- Spring Boot and React
- Angular and Nodejs
- RESTful services and GraphQL
- API management
- Oracle and PostgreSQL
- MongoDB and data storage
- AWS and Azure services
- Docker and Kubernetes orchestration
- Apache Kafka and RabbitMQ messaging
- JUnit, Selenium, and TestNG testing frameworks
- Prometheus and Grafana monitoring
- Object-oriented design principles
- Git version control workflows
- Responsive web design
Timeline
Software Engineer
Tech Wave Solution Inc
01.2022 - Current
Software Engineer
Truist Bank
06.2019 - 12.2021
Masters in Management - Information Technology
St Francis College