Senior Full Stack Developer with 9+ years of experience building secure, scalable, and accessible enterprise applications across financial services, telecommunications, payments, insurance, and healthcare. Strong full-stack expertise spanning React/Angular/TypeScript and Java (Spring Boot) with RESTful microservices and cloud-native deployments. Experienced in designing WCAG 2.1/2.2 AA-compliant user experiences, implementing robust security and privacy-by-design controls (OAuth2, RBAC, encryption, audit logging), and delivering resilient integrations using Kafka/MQ and healthcare standards. Also has hands-on experience with AWS/GCP, CI/CD automation, performance tuning, and AI/RAG integration with LangChain and secure LLM APIs.…

Veni Dapar

Senior Full Stack Developer with 9+ years of experience building secure, scalable, and accessible enterprise applications across financial services, telecommunications, payments, insurance, and healthcare. Strong full-stack expertise spanning React/Angular/TypeScript and Java (Spring Boot) with RESTful microservices and cloud-native deployments. Experienced in designing WCAG 2.1/2.2 AA-compliant user experiences, implementing robust security and privacy-by-design controls (OAuth2, RBAC, encryption, audit logging), and delivering resilient integrations using Kafka/MQ and healthcare standards. Also has hands-on experience with AWS/GCP, CI/CD automation, performance tuning, and AI/RAG integration with LangChain and secure LLM APIs.…

Available to hire

Senior Full Stack Developer with 9+ years of experience building secure, scalable, and accessible enterprise applications across financial services, telecommunications, payments, insurance, and healthcare. Strong full-stack expertise spanning React/Angular/TypeScript and Java (Spring Boot) with RESTful microservices and cloud-native deployments.

Experienced in designing WCAG 2.1/2.2 AA-compliant user experiences, implementing robust security and privacy-by-design controls (OAuth2, RBAC, encryption, audit logging), and delivering resilient integrations using Kafka/MQ and healthcare standards. Also has hands-on experience with AWS/GCP, CI/CD automation, performance tuning, and AI/RAG integration with LangChain and secure LLM APIs.

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Skills

Experience Level

Java
Expert
API
Expert
Spring
Expert
SQL
Expert
TypeScript
Expert
React JS
Expert
Docker
Expert
Kubernetes
Expert
HTML5
Expert
PostgreSQL
Expert
Python
Expert
CSS
Expert
AWS
Expert
AngularJS
Expert
Node.js
Expert
Express
Expert
Google Cloud
Expert
MongoDB
Expert
DynamoDB
Expert
XML
Expert
Prompt Engineering
Expert
MySQL
Expert
Large Language Model
Intermediate
Oracle
Intermediate
AI Chatbot
Intermediate
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Language

English
Advanced

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

Education

Bachelor of Technology (Computer Science) at Jawaharlal Nehru Technological University
January 1, 2017 - January 1, 2017
Bachelor of Technology in Computer Science at Jawaharlal Nehru Technological University
January 1, 2017 - July 23, 2026

Qualifications

Add your qualifications or awards here.

Industry Experience

Financial Services, Telecommunications, Healthcare, Software & Internet

Skills

Experience Level

Java
Expert
API
Expert
Spring
Expert
SQL
Expert
TypeScript
Expert
React JS
Expert
Docker
Expert
Kubernetes
Expert
HTML5
Expert
PostgreSQL
Expert
Python
Expert
CSS
Expert
AWS
Expert
AngularJS
Expert
Node.js
Expert
Express
Expert
Google Cloud
Expert
MongoDB
Expert
DynamoDB
Expert
XML
Expert
Prompt Engineering
Expert
MySQL
Expert
Large Language Model
Intermediate
Oracle
Intermediate
AI Chatbot
Intermediate
See more