Venkata Pabbisetty
San Francisco
Summary
- Full-stack engineer with 6+ years of experience building distributed microservices using Java, Spring Boot, Spring MVC, and RESTful APIs across banking, healthcare, and e-commerce domains.
- Strong expertise in event-driven architectures using Apache Kafka and RabbitMQ to support real-time credit-risk, clinical authorization, and pricing workflows.
- Built and deployed cloud-native services on AWS ECS, EC2, EKS, and GCP platforms with secure configuration and automated scaling.
- Hands-on experience developing UI components using Angular, Angular Material, and React.js, integrating backend flows through Apollo Client and REST endpoints.
- Designed and optimized data-layer integrations using Oracle, Cassandra, MongoDB, MySQL, and PostgreSQL for high-volume transactional workloads.
- Implemented complex business logic using Drools and workflow orchestration through Apache Camel for healthcare and financial systems.
- Built robust ETL and batch-processing pipelines using Spring Batch for reconciliation, audit aggregation, and large-scale data ingestion.
- Delivered secure systems using Spring Security, OAuth2, JWT, and identity controls including GCP IAM and IAP for HIPAA-aligned access management.
- Containerized services using Docker and automated CI/CD releases with Jenkins, Maven, and Git-based workflows across multiple environments.
- Created backend testing suites using JUnit, Mockito, TestNG, Jasmine, and REST Assured to ensure high reliability and regression safety.
- Built observability and monitoring dashboards using Prometheus, Grafana, and the ELK Stack, enabling proactive incident detection and analysis.
- Automated data validation, ETL checks, and workflow verification using Python, improving accuracy in financial scoring and clinical processing pipelines.
- Collaborated in Agile teams, participating in design discussions, sprint refinement, cross-team integrations, and production readiness reviews.
- Proven ability to modernize legacy systems by migrating SOAP services to REST or GraphQL, improving performance, maintainability, and interoperability.
Overview
7
7
years of professional experience
Work History
Full Stack Developer
PNC Bank
01.2024 - Current
- Designed and developed cloud-ready microservices using Java 17, Spring Boot, and RESTful APIs to support real-time credit evaluation, borrower scoring, and risk monitoring across high-volume financial operations.
- Implemented secure authentication and authorization using Spring Security, OAuth2, and JWT, enabling stateless communication and strict role-based access across sensitive credit workflows.
- Optimized backend performance using Java 8+ features and integrated persistence with JPA/Hibernate, leveraging Oracle for ACID operations and Cassandra for low-latency reads.
- Developed internal automation utilities using Python to validate Kafka payloads, cross-check borrower datasets, and generate daily reconciliation summaries.
- Engineered event-driven pipelines using Apache Kafka, streaming borrower and repayment events to downstream underwriting systems; integrated Redis caching to improve lookup performance.
- Built modular UI components using Angular, Angular Material, and Angular HttpClient, enabling dashboards for real-time alerts, borrower insights, and operational monitoring.
- Created and maintained nightly ETL workflows using Spring Batch for credit reconciliation, audit-log aggregation, and downstream dataset preparation.
- Containerized microservices using Docker and deployed them across AWS ECS, AWS EC2, and AWS EKS, implementing rolling updates, blue-green strategies, and autoscaling.
- Built CI/CD pipelines using Jenkins, Git, and Maven, automating builds, tests, artifact versioning, and multi-environment deployments.
- Developed regression-safe test suites using JUnit, Mockito, and Jasmine for API, batch, and UI validation.
- Documented services using Swagger UI and OpenAPI, improving onboarding and cross-team integrations.
- Implemented centralized logging using the ELK Stack and added observability dashboards with Prometheus and Grafana, enabling proactive incident response.
- Participated in Agile ceremonies, collaborating with engineering, QA, and DevOps teams to deliver secure, scalable credit-risk modules on schedule.
Full Stack Developer (Co-op)
PNC Bank
02.2023 - 12.2023
- Built backend services using Java, Spring Boot, and REST APIs supporting borrower and risk workflows.
- Developed dashboard UI modules in Angular for real-time visibility into credit evaluation.
- Deployed services using Docker and contributed to Jenkins pipelines for testing and QA releases.
- Integrated datasets across Oracle and Cassandra for credit-risk consistency.
- Participated in sprint planning, testing cycles, and code reviews.
- Documented APIs, deployment workflow, and environment setup for cross-team usage.
Full Stack Developer
CVS Health
05.2021 - 01.2022
- Developed scalable healthcare microservices using Java 11, Spring Boot, and GraphQL APIs to automate prior-authorization intake, request validation, and real-time decision support for pharmacies and payer systems.
- Built dynamic and responsive UI components using React.js, integrating backend data via Apollo Client to provide pharmacists with immediate visibility into authorization statuses and required clinical documentation.
- Integrated with external provider and payer systems using FHIR APIs and legacy SOAP services to exchange EHR data, eligibility responses, and patient-level clinical information.
- Implemented authorization-rule verification scripts using Python, validating clinical datasets exchanged through FHIR and SOAP integrations.
- Applied clinical policy rules using Drools to automate validations such as duplicate detection, dosage thresholds, and formulary compliance, significantly reducing manual review load.
- Designed routing, enrichment, and transformation workflows using Apache Camel, connecting intake services to clearinghouses, auditing modules, and internal validation components.
- Implemented asynchronous communication between microservices using RabbitMQ, improving system throughput and responsiveness during peak authorization cycles.
- Built custom API-testing helpers using Python and Postman-style scripts to validate GraphQL responses across payer systems.
- Secured APIs behind GCP IAM and Identity-Aware Proxy (IAP), ensuring HIPAA-aligned access control, encrypted transmission, and restricted service-to-service interactions.
- Built test suites using TestNG, Mockito, and REST Assured, validating API contracts, message flows, and rule-engine behavior.
- Deployed containerized microservices using Docker to GCP Compute Engine and Cloud Run, applying IAM-based runtime policies for compliance and least-privilege execution.
- Monitored queue depth, latency, and failure patterns using Prometheus, Grafana, and Stackdriver, enabling proactive incident management.
- Worked with Oracle, Cassandra, MongoDB, and SQL Server to manage clinical data, patient metadata, and request histories across distributed storage layers.
- Ensured HIPAA compliance through audit logging, RBAC enforcement, data masking, encryption, and row-level security applied via BigQuery policies.
- Built proof-of-concept streaming pipelines using Pub/Sub and Dataflow for near real-time authorization ingestion, alerting, and analytics.
- Documented REST and GraphQL endpoints using Swagger UI generated from OpenAPI specifications, improving developer onboarding and system traceability.
- Delivered high-availability healthcare capabilities by collaborating with QA, DevOps, and product teams under Agile Scrum methodology.
Software Developer
CVS Health
12.2020 - 04.2021
- Developed healthcare microservices using Java 11, Spring Boot, and GraphQL / REST APIs.
- Built UI components using React.js, consuming GraphQL data via Apollo Client.
- Integrated provider/payer systems using FHIR APIs and SOAP interfaces.
- Applied clinical validation rules using Drools to reduce manual review.
- Implemented asynchronous workflows using RabbitMQ for inbound and outbound authorization processing.
- Developed routing flows using Apache Camel for intake and audit modules.
- Built backend test automation with JUnit, Mockito, and REST Assured.
- Managed clinical datasets using Oracle, Cassandra, MongoDB, and SQL Server.
Software Engineer (Internship)
Shopify
06.2019 - 11.2020
- Built and maintained promotion-calculation microservices using Java 8, Spring Boot, Spring MVC, and RESTful APIs, supporting dynamic discount evaluations across high-traffic e-commerce storefronts.
- Developed large-scale scheduled batch workflows using Spring Batch to process promotion imports, rule synchronization, expiration handling, and bulk data transformations.
- Integrated Apache Kafka to enable asynchronous communication across checkout, inventory, and pricing services, ensuring scalable and decoupled processing during flash-sale events.
- Created Python scripts to profile large MySQL promotion datasets and validate batch-workflow outputs generated by Spring Batch jobs.
- Applied rule validations using Hibernate Validator and ensured consistency across promotion updates using @Transactional for multi-step write operations.
- Wrote extensive backend test suites using JUnit and Mockito, improving reliability during high-volume sale periods and preventing regression issues.
- Used Python automation to quickly reproduce promotion-engine edge cases and assist backend debugging during flash-sale load testing.
- Built CI/CD automation pipelines using Jenkins, Git, and Maven, streamlining builds, testing, and deployment across staging and production environments.
- Maintained audit logs and activity trails for promotion changes, enabling traceability during debugging and financial reconciliation.
- Collaborated in Agile sprints to deliver pricing and promotion features that supported millions of daily transactions.
Education
Master of Science - Computer Science
The University of Texas at Arlington
Skills
- Programming Languages: Java, SQL, C, JavaScript, TypeScript, Python
- Backend Frameworks & APIs: Spring Boot, Spring MVC, Spring Batch, Spring Security, Hibernate, JPA, RESTful APIs, GraphQL, SOAP, Drools
- Frontend Technologies: Angular, Reactjs, Angular Material, Apollo Client, HTML5, CSS3
- Messaging & Integration: Apache Kafka, RabbitMQ, Apache Camel, FHIR APIs, REST Assured
- Cloud & Deployment: AWS (ECS, EKS, EC2, S3, API Gateway, IAM, Parameter Store), GCP, Docker, Jenkins, Maven, Git, Kubernetes (EKS), Azure
- Authentication & Security: OAuth2, JWT, Spring Security, LDAP, API Gateway throttling, IP filtering
- Testing Tools: JUnit, Mockito, TestNG, Jasmine, REST Assured
- Development Methodologies: Agile, Scrum, TDD, CI/CD, Jenkins, Maven
- Compliance & Governance: HIPAA (Healthcare), Financial Compliance Standards
- Big Data Tools: Hadoop, Hive, Spark
- Operating Systems and Scripting: Unix, Linux, Shell Scripting
- Databases: Oracle, Cassandra, MySQL, MongoDB, PostgreSQL
- Monitoring & Logging: Prometheus, Grafana, ELK Stack (Elasticsearch, Logstash, Kibana)
Timeline
Full Stack Developer
PNC Bank
01.2024 - Current
Full Stack Developer (Co-op)
PNC Bank
02.2023 - 12.2023
Full Stack Developer
CVS Health
05.2021 - 01.2022
Software Developer
CVS Health
12.2020 - 04.2021
Software Engineer (Internship)
Shopify
06.2019 - 11.2020
Master of Science - Computer Science
The University of Texas at Arlington