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I’m a Senior Java Full Stack Developer with 9+ years of experience building and modernizing high-performance enterprise systems across financial services, payments, telecommunications, insurance, and healthcare. I design and develop secure REST APIs and microservices using Java (8–21) and the Spring ecosystem, and I also deliver polished frontend features with React and TypeScript. I’m especially focused on reliability and scalability—using patterns like Kafka event-driven workflows, Resilience4j retries/circuit breakers, idempotency, and dead-letter handling to make distributed systems resilient. I enjoy performance tuning across the JVM and databases, strengthening CI/CD pipelines, and partnering with product and architecture teams to turn requirements into maintainable, well-tested solutions end to end.…I’m a Senior Java Full Stack Developer with 9+ years of experience building and modernizing high-performance enterprise systems across financial services, payments, telecommunications, insurance, and healthcare. I design and develop secure REST APIs and microservices using Java (8–21) and the Spring ecosystem, and I also deliver polished frontend features with React and TypeScript. I’m especially focused on reliability and scalability—using patterns like Kafka event-driven workflows, Resilience4j retries/circuit breakers, idempotency, and dead-letter handling to make distributed systems resilient. I enjoy performance tuning across the JVM and databases, strengthening CI/CD pipelines, and partnering with product and architecture teams to turn requirements into maintainable, well-tested solutions end to end.

VENI DAPARTHYSenior Java Full Stack Deve

Full Stack Developer, Web Developer, Programmer, +4

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I’m a Senior Java Full Stack Developer with 9+ years of experience building and modernizing high-performance enterprise systems across financial services, payments, telecommunications, insurance, and healthcare. I design and develop secure REST APIs and microservices using Java (8–21) and the Spring ecosystem, and I also deliver polished frontend features with React and TypeScript. I’m especially focused on reliability and scalability—using patterns like Kafka event-driven workflows, Resilience4j retries/circuit breakers, idempotency, and dead-letter handling to make distributed systems resilient. I enjoy performance tuning across the JVM and databases, strengthening CI/CD pipelines, and partnering with product and architecture teams to turn requirements into maintainable, well-tested solutions end to end.…I’m a Senior Java Full Stack Developer with 9+ years of experience building and modernizing high-performance enterprise systems across financial services, payments, telecommunications, insurance, and healthcare. I design and develop secure REST APIs and microservices using Java (8–21) and the Spring ecosystem, and I also deliver polished frontend features with React and TypeScript. I’m especially focused on reliability and scalability—using patterns like Kafka event-driven workflows, Resilience4j retries/circuit breakers, idempotency, and dead-letter handling to make distributed systems resilient. I enjoy performance tuning across the JVM and databases, strengthening CI/CD pipelines, and partnering with product and architecture teams to turn requirements into maintainable, well-tested solutions end to end.

Available to hire

I’m a Senior Java Full Stack Developer with 9+ years of experience building and modernizing high-performance enterprise systems across financial services, payments, telecommunications, insurance, and healthcare. I design and develop secure REST APIs and microservices using Java (8–21) and the Spring ecosystem, and I also deliver polished frontend features with React and TypeScript.

I’m especially focused on reliability and scalability—using patterns like Kafka event-driven workflows, Resilience4j retries/circuit breakers, idempotency, and dead-letter handling to make distributed systems resilient. I enjoy performance tuning across the JVM and databases, strengthening CI/CD pipelines, and partnering with product and architecture teams to turn requirements into maintainable, well-tested solutions end to end.

Skills

Experience Level

Expert

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Intermediate

Intermediate

Language

English

Advanced

Javanese

Fluent

Work Experience

Senior Java Developer at Citibank

May 1, 2025 - Present

Collaborated with product, UX, research, data, and compliance stakeholders to deliver Citi Velocity market-research and document-management capabilities. Built accessible React/TypeScript SPA features and Spring Boot microservices for research-document retrieval, metadata management, preferences, and downstream integrations. Developed FastAPI services for document ingestion, metadata extraction, validation, chunking, and orchestration of asynchronous processing workflows. Implemented Kafka-based event flows with retry/dead-letter/failure recovery for resiliency, used PostgreSQL for relational data and DynamoDB for workflow state and audit metadata, and stored artifacts in S3 with lifecycle controls. Integrated RAG workflows using LangChain (embeddings, vector retrieval, metadata filtering, prompt templates) with secure AI API integration, source attribution, response validation, sensitive-data filtering, prompt-injection protection, access control, and human-review workflows. Applied

Applications Developer at TELUS Communications

January 1, 2023 - April 30, 2025

Worked on enhancements for a network configuration-management platform covering router/switch/modem/PON/DSLAM configuration, inventory reconciliation, standards validation, approval workflows, and audit reporting. Developed reusable Angular/TypeScript UI components (configuration search, inventory, validation results, approval workflows, operational dashboards) with responsive and accessible interfaces (semantic HTML, ARIA, keyboard navigation, focus management, screen-reader notifications) and integrated axe-core/Lighthouse checks into development. Built Spring Boot REST APIs for creating/retrieving/comparing/validating/approving/auditing multi-vendor device configurations and Node.js/Express services for workflow orchestration and asynchronous job processing. Implemented JavaScript/XPath validation rules for security/performance/availability/operational standards. Integrated PostgreSQL and Oracle legacy systems for data access, standardized JSON/XML handling, and implemented authent

Java/J2EE Developer at Square

May 1, 2020 - December 31, 2022

Delivered full-stack payment workflow features for merchant onboarding, payment administration, transaction review, inventory integration, and account management. Developed backend services using Spring MVC/J2EE/Servlets/EJB/Hibernate and implemented transaction processing and settlement-related business logic. Built Node.js/Express REST APIs for merchant, transaction, configuration, reporting, and third-party integrations, and used Socket.IO to provide near-real-time dashboard updates. Created AngularJS interfaces (responsive, reusable directives, AJAX) and implemented WCAG 2.1 AA practices for accessible markup, labels, keyboard-operable controls, and visible focus. Designed secure REST APIs with JSON payload validation, standardized exception handling, pagination/filtering, and role-based access. Integrated POS services with bookkeeping/taxation/inventory/e-commerce systems through secure interfaces. Implemented persistence across MySQL (transactional) and MongoDB (merchant config

Java Developer at Great-West Life Insurance

January 1, 2019 - April 30, 2020

Built claims-processing features including case registration, eligibility validation, medical appointment scheduling, and claim status tracking. Implemented investigation report workflows, solicitor correspondence, document processing, and downstream claims activities. Developed backend components with Java 8, Spring Boot, Spring IoC/AOP, Hibernate, and REST APIs; maintained legacy Struts modules while migrating appropriate logic to Spring services. Created AngularJS interfaces with WCAG 2.1 AA accessibility practices (semantic markup, accessible labels, keyboard navigation, logical focus order) including descriptive validation and screen-reader compatible controls. Integrated with Guidewire PolicyCenter and ClaimCenter for bidirectional policy/customer/coverage/claim/workflow/status exchanges and used IBM MQ/IBM Integration Bus for asynchronous integrations, including queue/channel/message-flow configuration and dead-letter processing. Developed secure REST APIs with authentication/

Java backend developer at Providence Health Care

June 1, 2017 - December 31, 2018

Developed healthcare data exchange solutions between hospital systems and downstream applications. Converted HL7 v2.x interface-control requirements into Java/Spring Boot message-processing and transformation designs. Implemented ADT workflows for patient admissions/discharges/transfers and ORU workflows for laboratory/clinical results; implemented ORM workflows for clinical/diagnostic orders. Transformed HL7 v2.x messages into FHIR STU3-compatible resources (Patient/Encounter/Observation/order data). Configured Mirth Connect channels with connectors, filters, and transformers; implemented secure REST/FHIR-compatible endpoints. Built validation rules for missing segments, invalid values, duplicates, and unsupported formats; designed exception handling/retry/dead-letter workflows for failed message reprocessing; maintained traceability using correlation identifiers/timestamps/source/status. Followed PHIPA/PIPEDA and organizational privacy policies, protected personal health informatio