Teja Vikas

Designed and built secure migration services using Java 21, Spring Boot, and microservices to process credit-card portfolio data (customer profiles, accounts, payment information, statuses). Developed REST APIs for migration initiation, record retrieval, validation, status tracking, reconciliation, and failed-record reprocessing. Implemented event-driven workflows with Apache Kafka for scalable asynchronous processing and controlled retry/failure recovery. Built Oracle 19c control/audit/reconciliation tables and PL/SQL procedures for high-volume migration governance, and used MongoDB to store validation results and audit/processing history for end-to-end traceability. Developed React/Redux dashboards for batch progress, validation failures, reconciliation results, and authorized reprocessing actions. Containerized services with Docker and deployed to Kubernetes on AWS EKS; implemented CI/CD pipelines with Maven, Jenkins/GitHub Actions, SonarQube, and Nexus. Integrated AI agents to anal

Built modular healthcare services using Java 17, Spring Boot, and microservices to support patient registration, dialysis scheduling, treatment planning, and referral workflows. Developed secure REST APIs for exchanging clinical data with external healthcare systems, documenting endpoints with OpenAPI/Swagger. Implemented authentication/authorization with Spring Security, OAuth 2.0, and JWT while applying role-based access controls suitable for regulated patient data workflows. Developed Angular (TypeScript, Reactive Forms, RxJS, Angular Material) interfaces for clinicians to manage patient records and clinical tasks. Implemented business validations for insurance authorization, referrals, treatment eligibility, appointment conflicts, and discharge workflows. Created Spring Batch jobs for patient enrolment, medical record migration, claims reconciliation, and nightly synchronization. Used Oracle 19c objects for reporting and operational analytics, MongoDB for notes/communications/audit

Delivered equity trading, portfolio management, and trade lifecycle processing features using Agile Scrum practices. Designed microservices and reusable modules in Java 11 with Spring Boot/MVC to handle trade execution, settlement, positions, and portfolio reconciliation. Built secured REST APIs using Spring Data JPA/Hibernate and Spring Security with OAuth 2.0 and JWT. Documented service contracts with OpenAPI/Swagger for internal integration. Optimized Oracle 19c database objects and query performance, and used MongoDB for audit/trade activity logs. Implemented asynchronous processing with Apache Kafka for trade and market events, settlement updates, and portfolio synchronization. Containerized applications with Docker and deployed on Kubernetes, provisioning infrastructure with Terraform on AWS (EC2/RDS/S3/IAM) and monitoring via CloudWatch. Automated builds and releases with Maven, Jenkins, GitHub, SonarQube, and Nexus. Built test suites using JUnit 5, Mockito, Spring Boot Test, an