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I am a Java Full Stack Developer with 5+ years of experience in designing, developing, and deploying scalable enterprise applications across Financial Services, Banking, and Healthcare domains. I specialize in building robust backend systems using Java, Spring Boot, Spring MVC, Spring Security, Spring Data JPA, Hibernate, and Drools, and I enjoy delivering solid APIs and data models that perform well under high-volume workloads. On the frontend, I work with React and Angular to create responsive, real-time dashboards using WebSocket. I also deploy cloud-native solutions on AWS (EKS, EC2, S3), implement DevOps pipelines with GitHub Actions, and design secure architectures with JWT/OAuth 2.0, encryption, and RBAC. I love solving complex problems, tuning performance, and ensuring compliance with HIPAA and SOX where required.…I am a Java Full Stack Developer with 5+ years of experience in designing, developing, and deploying scalable enterprise applications across Financial Services, Banking, and Healthcare domains. I specialize in building robust backend systems using Java, Spring Boot, Spring MVC, Spring Security, Spring Data JPA, Hibernate, and Drools, and I enjoy delivering solid APIs and data models that perform well under high-volume workloads. On the frontend, I work with React and Angular to create responsive, real-time dashboards using WebSocket. I also deploy cloud-native solutions on AWS (EKS, EC2, S3), implement DevOps pipelines with GitHub Actions, and design secure architectures with JWT/OAuth 2.0, encryption, and RBAC. I love solving complex problems, tuning performance, and ensuring compliance with HIPAA and SOX where required.

Haarsh Raj Dundigal

Full Stack Developer, Web Developer, Back-End Developer, +2

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I am a Java Full Stack Developer with 5+ years of experience in designing, developing, and deploying scalable enterprise applications across Financial Services, Banking, and Healthcare domains. I specialize in building robust backend systems using Java, Spring Boot, Spring MVC, Spring Security, Spring Data JPA, Hibernate, and Drools, and I enjoy delivering solid APIs and data models that perform well under high-volume workloads. On the frontend, I work with React and Angular to create responsive, real-time dashboards using WebSocket. I also deploy cloud-native solutions on AWS (EKS, EC2, S3), implement DevOps pipelines with GitHub Actions, and design secure architectures with JWT/OAuth 2.0, encryption, and RBAC. I love solving complex problems, tuning performance, and ensuring compliance with HIPAA and SOX where required.…I am a Java Full Stack Developer with 5+ years of experience in designing, developing, and deploying scalable enterprise applications across Financial Services, Banking, and Healthcare domains. I specialize in building robust backend systems using Java, Spring Boot, Spring MVC, Spring Security, Spring Data JPA, Hibernate, and Drools, and I enjoy delivering solid APIs and data models that perform well under high-volume workloads. On the frontend, I work with React and Angular to create responsive, real-time dashboards using WebSocket. I also deploy cloud-native solutions on AWS (EKS, EC2, S3), implement DevOps pipelines with GitHub Actions, and design secure architectures with JWT/OAuth 2.0, encryption, and RBAC. I love solving complex problems, tuning performance, and ensuring compliance with HIPAA and SOX where required.

Available to hire

I am a Java Full Stack Developer with 5+ years of experience in designing, developing, and deploying scalable enterprise applications across Financial Services, Banking, and Healthcare domains. I specialize in building robust backend systems using Java, Spring Boot, Spring MVC, Spring Security, Spring Data JPA, Hibernate, and Drools, and I enjoy delivering solid APIs and data models that perform well under high-volume workloads.

On the frontend, I work with React and Angular to create responsive, real-time dashboards using WebSocket. I also deploy cloud-native solutions on AWS (EKS, EC2, S3), implement DevOps pipelines with GitHub Actions, and design secure architectures with JWT/OAuth 2.0, encryption, and RBAC. I love solving complex problems, tuning performance, and ensuring compliance with HIPAA and SOX where required.

Skills

Experience Level

Expert

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Expert

Work Experience

Software Engineer I at JPMorgan Chase (Chase Bank)

August 1, 2024 - Present

Developed a trade ingestion service using Java 17 and Spring Boot, exposing REST APIs that handle approximately 1.8M trade events daily with response times under 200ms during peak market activity. Implemented asynchronous trade enrichment via Apache Kafka to decouple pricing and reference data updates, reducing settlement delays by ~30%. Optimized risk aggregation using Spring Data JPA with PostgreSQL, restructuring exposure queries and adding targeted indexing to reduce portfolio calculation time from 12s to under 5s. Created a time-partitioned schema for high-volume trade tables, improving read/write efficiency during volatile trading sessions. Containerized services with Docker and deployed on Amazon EKS with autoscaling based on CPU utilization and Kafka lag for 99.95% availability. Secured endpoints with Spring Security and OAuth2 (Okta), implementing RBAC aligned with compliance requirements. Built a real-time trader dashboard using React/TypeScript with WebSocket updates. Analyz

Software Engineer at Tata Consultancy Services

February 1, 2022 - June 1, 2023

Developed backend services using Java 11 and Spring Boot to manage loan application intake, eligibility checks, underwriting decisions, and disbursement workflows, maintaining performance during peak hours. Implemented configurable underwriting rules using Drools Rule Engine, externalizing credit thresholds and risk calculations to reduce manual underwriting by ~35%. Integrated Experian credit bureau APIs via secure RESTful services, reducing credit check response time from 8s to ~3s. Managed transactional loan processing with Oracle 19c, ensuring data consistency across multi-step operations including EMI schedule generation and funds release. Developed EMI/amortization calculations using PL/SQL, improving financial accuracy. Built customer onboarding and loan tracking UI with Angular 13/TypeScript, delivering real-time validations and improved application completion rates by >20%. Secured APIs with Spring Security/JWT RBAC and optimized high-volume queries with composite indexing, re

Java Full Stack Developer at Accenture

July 1, 2019 - January 31, 2022

Developed multi-tier backend using Java 8, Spring MVC, and Hibernate (JPA) to handle patient enrollment and provider credentialing, supporting ~15K daily transactions. Designed RESTful APIs for insurance claim validation and implemented policy rules that reduced first-pass claim rejection by 18%. Optimized persistence with Hibernate (fetch strategies, removing N+1 issues) and reduced claims dashboard load time from 6.5s to 2.1s. Integrated ANSI X12 EDI transactions with external payers, automating submissions and shortening reimbursement cycles by ~25%. Built responsive front-end interfaces using React.js with Axios for real-time appointment scheduling and claim tracking, improving front-desk efficiency by ~20%. Implemented PHI encryption (AES-256) and secured endpoints with Spring Security. Implemented nightly batch claim adjudication using Spring Batch (~120K claims per run with 99% accuracy). Added Audit logging with Log4j2 and ELK, improving incident investigation times. Normalized