I am a software professional with 5+ years of hands-on experience in Java full-stack development, focusing on scalable backend services, microservices architectures, and modern front-end integrations across banking, healthcare, and insurance domains. I collaborate closely with product, design, and analytics teams to deliver user-centric digital experiences, while applying best practices in security, testing, and DevOps to ensure reliable and performant applications. Beyond coding, I mentor teammates, contribute to design discussions, and continuously learn new technologies to solve complex business problems. I thrive in Agile environments and enjoy turning ideas into robust software that customers can trust.

Koteswarreddy Salla

I am a software professional with 5+ years of hands-on experience in Java full-stack development, focusing on scalable backend services, microservices architectures, and modern front-end integrations across banking, healthcare, and insurance domains. I collaborate closely with product, design, and analytics teams to deliver user-centric digital experiences, while applying best practices in security, testing, and DevOps to ensure reliable and performant applications. Beyond coding, I mentor teammates, contribute to design discussions, and continuously learn new technologies to solve complex business problems. I thrive in Agile environments and enjoy turning ideas into robust software that customers can trust.

Available to hire

I am a software professional with 5+ years of hands-on experience in Java full-stack development, focusing on scalable backend services, microservices architectures, and modern front-end integrations across banking, healthcare, and insurance domains. I collaborate closely with product, design, and analytics teams to deliver user-centric digital experiences, while applying best practices in security, testing, and DevOps to ensure reliable and performant applications.

Beyond coding, I mentor teammates, contribute to design discussions, and continuously learn new technologies to solve complex business problems. I thrive in Agile environments and enjoy turning ideas into robust software that customers can trust.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

Javanese
Advanced

Work Experience

Java Full Stack Developer at US Bank
January 1, 2025 - Present
Developed and maintained core components of a Loan Evaluator System using Java 17 and Spring Boot for real-time loan decisioning and evaluation accuracy. Built Angular 13 front-end components with dynamic forms and enforced business rules using Angular Reactive Forms and custom validators. Integrated with internal and third-party REST APIs for credit score fetching and loan eligibility calculations. Created a Single Page Application using Angular 13 routing for enhanced user experience. Leveraged multithreading to handle high-volume loan applications concurrently, reducing latency and improving throughput. Utilized Kafka Streams for real-time event processing and status updates in the loan lifecycle. Supported relational database transactions and data integrity using MySQL with ACID properties and constraints. Implemented report generation using multithreading to boost efficiency. Enforced security best practices including JWT authentication and OAuth 2.0. Supported high availability s
Java Developer at Humana Inc
December 31, 2024 - September 2, 2025
Developed and maintained components of a Behavioral Health Management System using Java 11 and Spring Boot, ensuring effective patient data management and healthcare compliance. Implemented secure authentication and authorization using Spring Security with OAuth 2.0, adhering to HIPAA standards. Employed Apache Kafka for asynchronous microservices communication, enhancing system resilience. Managed data persistence with MySQL and MongoDB, optimizing queries and ensuring data integrity. Deployed applications on AWS EC2 with S3 storage and RDS relational databases. Automated CI/CD pipelines using Jenkins and Git. Developed backend services with Node.js for real-time data exchange. Configured Docker containers and Kubernetes for scalable microservices deployment. Built an end-to-end acceptance testing framework with Cucumber, JDBC, Maven, WebDriver, Java, and TestNG. Deployed Spring Boot microservices via AWS CloudFormation into EC2 containers. Utilized AWS DynamoDB for configuration stor
Associate Software Engineer at Cognizant – TriZetto Healthcare
July 31, 2023 - September 2, 2025
Participated in the SDLC for healthcare payer systems using TriZetto Facets, including requirements gathering, design, development, and deployment. Developed React APIs with code-splitting and npm integration for optimized performance. Designed RESTful and SOAP web services to connect Facets with external healthcare systems for eligibility and provider lookup. Automated workflows like eligibility checks and claim adjudication with custom Java modules integrated with TriZetto Facets APIs. Built reusable Java components and Spring MVC microservices for scalability and custom functionality. Automated batch processing jobs using Quartz Scheduler and Java. Created PL/SQL stored procedures, views, and triggers to support backend data processes. Engineered custom solutions for Explanation of Benefits generation and provider contract logic using design patterns. Participated in code reviews and performance tuning. Used Java 8 Stream API and lambdas for efficient large dataset processing in cla
Sr. Java Developer at US Bank
January 1, 2025 - October 27, 2025
Designed and implemented a microservices-based architecture using Spring Boot, Spring MVC, and RESTful APIs to support enterprise-scale banking workloads. Built serverless microservices on AWS (Lambda, S3, DynamoDB) for high-traffic components, and integrated AI-based data validation and anomaly detection modules into backend endpoints. Developed data models for fraud detection with PySpark and ElasticSearch, collaborating with FinCrime/AML teams to ensure compliance and risk monitoring. Implemented Spring Security, OAuth2, and JWT for authentication and authorization in PCI-DSS environments. Established DevSecOps practices, including static analysis, vulnerability scanning, and automated security gates in Jenkins pipelines, and automated CI/CD using AWS CodePipeline/CodeBuild/CodeDeploy. Migrated legacy modules to Spring Boot microservices to improve modularity and maintainability. Built Angular + TypeScript UIs and configured GA4/Tag Manager for performance analytics. Reconciled data
Java Developer at Humana Inc
December 1, 2024 - December 1, 2024
Developed modular Spring Boot microservices integrated via Kafka for claims management, eligibility verification, and patient data processing. Implemented Python automation scripts for AI-based data validation workflows in clinical reporting. Built backend services with Java Spring Boot and Golang, and managed cloud deployments on AWS (EC2, S3, Lambda, RDS). Maintained Linux-based environments with Docker and Kubernetes. Optimized SQL, MySQL, and PL/SQL scripts for high-volume transactions and analytical reporting. Built Java/Golang APIs integrated with CRM and third-party platforms, supporting ETL processes and Power BI dashboards. Modernized frontend modules using React with TypeScript; implemented Angular + TypeScript front-ends for claims processing that connect to microservices. Containerized services with Docker/Kubernetes; deployed on GCP and AWS. Improved API performance and implemented monitoring with Datadog/OpenTelemetry. Created Spring Batch ETL jobs and automated CI/CD pip
Java Developer at Cognizant – TriZetto Healthcare
July 1, 2023 - July 1, 2023
Designed and developed enterprise-grade web applications using Spring MVC, Hibernate, and AngularJS for claims and member management. Wrote optimized SQL/PL/SQL and MySQL queries, maintained Linux-based builds, and integrated REST APIs with Oracle/MySQL databases. Developed Jasper Reports for internal analytics dashboards and full-stack healthcare solutions using Java, AngularJS, Spring MVC, and Hibernate. Implemented Spring AOP for cross-cutting concerns and contributed to microservices for eligibility and claims processing, integrating with external CRM and third-party platforms. Deployed on AWS EC2 with Docker/Kubernetes, tracked work via Git/Jira in Agile settings, and supported CI/CD with Jenkins. Assisted with WordPress portals for internal docs and supported data migrations with PL/SQL and MySQL scripts.
Sr. Java Developer at US Bank
January 1, 2025 - November 3, 2025
Designed and implemented high-availability microservices using Spring Boot, REST APIs, and Apache Kafka to handle large-scale financial transaction processing with enhanced reliability and performance. Developed and tuned SQL and MySQL stored procedures, joins, triggers, and indexing for transaction processing, achieving a 30% performance boost. Integrated front-end React components with backend services, gaining exposure to Node.js/NestJS and Python microservices. Developed and optimized backend services using Java Spring Boot with PostgreSQL and MySQL databases, improving query performance by 25%. Implemented security with Spring Security, OAuth2, and JWT for PCI-DSS-compliant access control. Automated CI/CD pipelines using Jenkins, Docker, Kubernetes on AWS EC2/S3. Deployed microservices and databases on AWS and configured IAM-based access management and CloudWatch monitoring. Collaborated with QA and DevOps to ensure reliable releases. Managed Git-based source control with robust b
Java Developer at Humana Inc
December 31, 2024 - December 31, 2024
Developed backend APIs using Core Java and Spring Boot, integrated with Oracle and MySQL databases using optimized SQL and PL/SQL scripts. Built Angular components for dashboards with AG-Grid and HighchartsJS; created responsive, WCAG-compliant React dashboards with accessible data visualization. Designed and optimized SQL, MySQL, and PL/SQL scripts for high-volume transactions and analytics. Implemented React frontend with RESTful APIs using Axios; state management via Context API and Redux. Built GraphQL dashboards for healthcare analytics and contributed to Micro Frontend architecture for modular UI deployment. Implemented Spring Data JPA/Hibernate ORM; created Spring Batch ETL processes increasing nightly data ingestion throughput by 40%. Automated builds with Jenkins and Docker/Kubernetes on AWS EC2/S3. Enhanced security using encryption at rest and IAM-based resource access on AWS. Monitored production with CloudWatch/ELK; documented API interfaces (Swagger/OpenAPI). Participated
Java Developer at Cognizant – TriZetto Healthcare, Hyderabad
July 31, 2023 - July 31, 2023
Designed and developed enterprise web applications using Spring MVC, Hibernate, and AngularJS for claims and member management systems. Deployed microservices on Linux servers with Bash scripts for automation and monitoring. Created, tuned, and maintained SQL, PL/SQL, and MySQL queries, stored procedures, and triggers, improving backend performance by 35%. Worked on Core Java-based applications with Oracle and MySQL, optimizing SQL queries and PL/SQL procedures. Integrated Java REST APIs with Oracle/MySQL to support healthcare workflows; managed replication, indexing, and backups. Developed internal dashboards and reporting tools using ASP.NET, VB.NET, and Visual Studio.NET. Assisted in functional analysis and rule-based configuration for healthcare claims and payment systems. Migrated monolithic systems to microservices with integrated Oracle/MySQL persistence; implemented Spring AOP for cross-cutting concerns; deployed on AWS EC2 with Docker. Collaborated across teams for data migrat

Education

Master of Science in Computer Science at Webster University
January 11, 2030 - September 2, 2025
Master of Science in Computer Science at Webster University
January 11, 2030 - October 27, 2025
Master of Science in Computer Science at Webster University
January 11, 2030 - November 3, 2025

Qualifications

AWS Certified Developer – Associate
January 11, 2030 - September 2, 2025
Oracle Certified Professional: Java SE 11 Developer
January 11, 2030 - October 27, 2025
AWS Certified Developer – Associate
January 11, 2030 - October 27, 2025
Oracle Certified Professional: Java SE 11 Developer
January 11, 2030 - November 3, 2025
AWS Certified Developer – Associate
January 11, 2030 - November 3, 2025

Industry Experience

Financial Services, Healthcare, Software & Internet, Professional Services