Suneel Kumar

Richmond, VA

• Build mission-critical payment fulfillment microservices processing millions of credit card payments per day — ACH, debit, check, balance transfers, and cross-border EFT.
• Own the public-facing Fulfillment API (Java 17, Spring Boot 3.x on ECS Fargate) secured with OAuth2, mutual TLS, and field-level encryption.
• Led the first production migration to Java 21 / Spring Boot 4, hardened with Resilience4j circuit breakers and SQS retry/fallback queues.
• Built vendor file ingestion on AWS Step Functions (40+ vendor formats) and the EMR Spark pipeline generating TSYS posting files with automated reconciliation.
• Contribute to a next-generation real-time money movement platform in Go — event-driven, outbox-patterned, active/active across two AWS regions.
• Ship GenAI tooling: a FastAPI LLM inference service guiding end-of-day payment operations, plus reusable AI agent skills (Claude Code) adopted by partner teams.
• Engineer data pipelines with Databricks PySpark, Flink SQL, and Kafka, publishing governed datasets to Snowflake and Microsoft OneLake.
• Embed security across the SDLC — Checkmarx/SonarQube/Mend remediation, Secrets Manager and Vault, PGP file encryption, PCI DSS / NIST 800-53 controls.

Environment: Java 17/21, Spring Boot 3.x/4.x, Go, Python, TypeScript, React, Apache Spark (EMR), Databricks, Flink, Kafka, AWS (ECS Fargate, Lambda, Step Functions, DynamoDB, S3, SQS, EventBridge, EMR, Glue), Snowflake, OneLake, Docker, Jenkins, Splunk, OpenTelemetry

Durham, NC

• Led delivery of the Symphony Campaign Processing platform handling millions of user events.
• Designed stateless microservices (Java 11, Spring Boot, OAuth2, JWT + AWS IAM) with role-based access control.
• Migrated monolithic codebases to independent Spring Boot microservices, improving scalability and fault isolation.
• Built UIs in React.js and Angular; introduced threat modeling into the SDLC; reduced incident response time 30% via Splunk/CloudWatch.

Environment: Java 8/11, Spring Boot, React.js, Angular, AWS ECS/Lambda/RDS/DynamoDB, Glue, CloudFormation, Splunk

Richmond, VA

• Built Angular 8 UI with reactive forms, custom directives, and RxJS observables.
• Implemented Spring Security with OAuth2/JWT for REST endpoint protection across microservices.
• Managed AWS infrastructure (EC2, S3, RDS, IAM, VPC, Lambda, SQS, SNS, Route 53) with CloudWatch monitoring.

Environment: Java 8, Spring Boot 2.x, Angular 8, Hibernate 5.x, Docker, Jenkins, AWS

Chicago, IL

• Built SPAs with Angular 6, RxJS, reactive forms, and custom pipes.
• Deployed containerized Spring Boot microservices to Google Kubernetes Engine (GKE) on Google Cloud Platform, with Cloud Build CI/CD and Artifact Registry.
• Built event-driven integrations using Cloud Pub/Sub and Cloud Functions, with Cloud Storage for artifacts and Secret Manager for credentials.
• Modeled operational data across Cloud SQL and Cassandra/MongoDB, and fed analytics datasets into BigQuery for reporting.
• Migrated JMS from WebLogic to Apache ActiveMQ with Camel-based async messaging.

Environment: Java 8, Spring Boot, Angular 5/6, Google Cloud Platform (GKE, Cloud Run, Pub/Sub, Cloud Functions, Cloud Storage, Cloud SQL, BigQuery, Secret Manager, IAM), MongoDB, Cassandra

Denver, CO

• Built Angular 2 + Node.js responsive UI modules with component-based architecture and Angular routing.
• Integrated BRMS (ILOG JRules) for rule-based decision services.
• Deployed Dockerized microservices across AWS EC2 and Google Cloud Platform — GKE and Compute Engine — with Cloud Build/Container Registry and Stackdriver monitoring.
• Integrated Cloud Pub/Sub for async messaging and Cloud Storage for object storage, with Cloud SQL alongside MongoDB and Oracle.

Environment: Java 8, Spring Boot, Angular 2, MongoDB, Oracle, Docker, AWS (EC2), Google Cloud Platform (GKE, Compute Engine, Cloud Storage, Cloud Pub/Sub, Cloud SQL, Cloud Build, Container Registry, Stackdriver)

Oklahoma City, OK

• Designed architecture with UML/GoF patterns, Spring 3.0 (IOC/AOP), and Hibernate 3.5.
• Built SOAP/REST services (JAX-WS, JAX-RS, Apache CXF, JAXB, WSDL, XSLT).
• Integrated JSF 2.0 + PrimeFaces UI, deployed on IBM WebSphere 8.1.

Environment: Java 7/8, Spring, Hibernate, Angular 2, JSF, PrimeFaces, WebSphere

Southfield, MI

• Built SOAP/REST service framework with XML marshalling and Mule ESB orchestration.
• Implemented EJB-based business logic and x.509 certificate-based authentication.
• Deployed on IBM WebSphere, built with Apache Ant/Ivy.

Environment: Java, Spring, Hibernate, JAX-RS/JAX-WS, Mule ESB, Oracle, WebSphere

Payments Fulfillment Platform — Capital One

The engine that fulfills every card payment at a top-5 US bank — millions of transactions a day across ACH, debit, check, balance transfers, and cross-border EFT.

• Own the public payment-fulfillment API and core services (Spring Boot on ECS Fargate) plus a next-generation real-time money-movement platform in Go — event-driven and active/active across two AWS regions.
• Built the vendor-file ingestion and batch-posting pipeline on AWS Step Functions + EMR Spark (40+ file formats) with automated reconciliation to the card processor.
• Shipped GenAI ops tooling — an LLM inference service that guides end-of-day payment decisions — and embedded PCI DSS / NIST 800-53 security (OAuth2, mutual TLS, PGP, KMS) across the SDLC.

Stack: Java 17/21, Go, Python, Spring Boot, AWS, Spark / EMR, Kafka, GenAI

Real-Time Agent Transfer Payments — Capital One

A PCI-compliant servicing channel that lets support agents move money card-to-card in real time.

• Built a Node.js / Fastify microservice inside the Cardholder Data Environment that orchestrates tokenized card lookups, secure detokenization, and real-time transfer posting.
• Enforced PCI DSS controls end-to-end — proof-of-possession tokens, field-level encryption, and structured security logging on every request.

Stack: Node.js, Fastify, GraphQL, REST / SOAP, AWS, PCI DSS

Campaign Processing Platform — Fidelity Investments

A high-throughput campaign-processing platform for a top asset manager, handling millions of user events.

• Led delivery of stateless Spring Boot microservices secured with OAuth2, JWT, and AWS IAM role-based access.
• Decomposed monoliths into independent services for scalability and fault isolation, with React and Angular front ends.
• Introduced threat modeling into the SDLC and cut incident response time 30% with Splunk / CloudWatch observability.

Stack: Java 8/11, Spring Boot, React, Angular, AWS ECS / Lambda, DynamoDB, Splunk

Formulary Alternatives & Derivatives — CVS Health

Pharmacy-benefits tooling that surfaces lower-cost formulary alternatives and drug derivatives for members and providers.

• Built Angular 6 single-page apps and containerized Spring Boot microservices deployed to Google Kubernetes Engine with Cloud Build CI/CD.
• Wired event-driven integrations with Cloud Pub/Sub and Cloud Functions; modeled data across Cloud SQL, Cassandra, and MongoDB.
• Fed analytics datasets into BigQuery for reporting on formulary and pricing trends.

Stack: Java 8, Spring Boot, Angular 6, GCP (GKE, Pub/Sub, BigQuery), Cassandra, MongoDB

ORS Nasco Website Redesign — Essendant

A complete ground-up redesign of the ORS Nasco wholesale-distribution website.

• Rebuilt the front end in Angular 2 + Node.js with a component-based architecture and responsive layouts.
• Integrated a business rules engine (ILOG JRules) for rule-driven decisioning.
• Deployed Dockerized microservices across AWS and Google Cloud (GKE + Compute Engine) with Pub/Sub messaging and Stackdriver monitoring.

Stack: Java 8, Spring Boot, Angular 2, Node.js, Docker, AWS, GCP (GKE)

Florist Website Platform — Teleflora

Designed and built a platform generating thousands of personalized websites and templates for florists nationwide.

• Architected the system with Spring (IOC/AOP) and Hibernate using UML and GoF design patterns.
• Delivered SOAP and REST services (JAX-WS, JAX-RS, Apache CXF) powering template personalization at scale.
• Built the JSF 2.0 + PrimeFaces UI, deployed on IBM WebSphere.

Stack: Java 7/8, Spring 3.0, Hibernate, JSF 2.0, PrimeFaces, SOAP / REST, WebSphere