S A.

Full Stack Engineer

United States6 yrs 9 mos experience

Most Likely To Switch

Key Highlights

Expert in building scalable microservices architectures.
Proven track record in performance optimization.
Strong experience in Agile methodologies and team collaboration.

Stackforce AI infers this person is a Backend-heavy Fullstack developer in Fintech and Retail sectors.

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Skills

Core Skills

JavaMicroservices

Other Skills

Agile & Waterfall MethodologiesAmazon Web Services (AWS)Business PlanningClient DeliveryConfluenceGitGraphQLHazelcast 5.xHuman Resources (HR)JIRAJPA/HibernateJava 11Java 17Java 8JavaScript

About

Hiring Java Developers

Experience

Barclays corporate banking

Full Stack Java Developer

Jun 2024 – Present · 1 yr 9 mos · Remote

Led the architecture and end-to-end build of a low-latency pricing platform using Java 17, Spring Boot 3.x, and Hazelcast 5.x.
Designed domain-driven microservices for market data ingestion, pricing, and distribution with strong DDD aggregates and hexagonal boundaries.
Created UML diagrams (class, sequence, use case) and authored architectural specs.
Broke down legacy monoliths into scalable microservices using REST, gRPC, and GraphQL for composite retrieval.
Designed modular UI architectures using Micro Frontend patterns and Webpack Module Federation.
Implemented caching layers with Hazelcast and Redis, handling eviction, consistency, and distributed state.
Integrated downstream clearing, risk, and reference-data systems using REST, SOAP, and gRPC.
Ensured system observability with OpenTelemetry, Spring Boot Actuator, SLO dashboards, and error budgeting.
Developed microservices with Java 17, Spring Boot 3.x, Spring MVC, Spring Cloud, Spring Data JPA, and Hibernate 6.

Java 17Spring Boot 3.xHazelcast 5.xMicroservicesRESTgRPC+3

Bestbuy

Full Stack Java Developer

Jul 2022 – May 2024 · 1 yr 10 mos

Led the modernization of the pricing engine, cutting latency by 40% and boosting throughput by 55%.
Architected microservices using Java 11, Spring Boot 2.7+, Spring Cloud, and Hazelcast 5.x for distributed caching.
Built backend services that aggregated real-time market feeds and published pricing through REST APIs.
Integrated external market data providers through secure REST endpoints.
Improved service resilience with retry logic and Spring Cloud Circuit Breaker.
Used lambda expressions and Stream API to optimize heavy data flows.
Deployed Hazelcast WAN Replication for cross-region DR and low-latency reads.
Implemented server-side caching with Hazelcast Maps to support fast, read-intensive paths.
Designed microservices using Spring WebFlux when reactive processing and backpressure were required.
Built REST and gRPC APIs for risk calculations, scenario requests, and high-volume data retrieval.
Documented APIs using OpenAPI and Protobuf.
Applied OOAD, DDD, and hexagonal boundaries for clean and scalable architecture.
Tuned OLTP and read-heavy flows using JPA/Hibernate and R2DBC.

Java 11Spring Boot 2.7+Hazelcast 5.xREST APIsSpring CloudJPA/Hibernate+4

Ameren services

Full Stack Java Developer

Mar 2021 – Jun 2022 · 1 yr 3 mos · Chicago, Illinois, United States

Involved in Scrum ceremonies including stand-ups, planning, grooming, and retrospectives.
Coordinated end-to-end dev, defect fixes, and releases with cross-functional teams using Rally.
Estimated LOE and assessed feasibility for microservices and feature upgrades.
Collaborated across QA, DevOps, and DB teams to deliver stable releases.
Built onboarding and claims systems using Java 11, Spring Boot 2.x, and Micronaut for high-performance microservices.
Designed and implemented REST APIs for verification, policy lookup, claims, document handling, and fraud detection.
Developed SOAP services using Spring WS, WSDL, AXIS, and integrated with WebSphere MQ.
Applied patterns like DAO, DTO, Service Locator, Business Delegate, and API Gateway.
Used Spring Cloud, Feign Client, and service registries for discovery and API communication.
Built GraphQL endpoints for efficient data access across front-end channels.
Created Spring Batch jobs with multithreading for nightly and transactional processing.

Java 11Spring Boot 2.xMicronautREST APIsSOAPSpring Cloud+3

Siriusxm

Full Stack Java Developer

Apr 2019 – Feb 2021 · 1 yr 10 mos

Participated fully in Agile Scrum across all SDLC phases, including stand-ups, planning, grooming, demos, and retrospectives.
Managed user stories, sprint progress, and release coordination using JIRA and Confluence.
Worked with stakeholders and cross-functional teams during sprint demos and architectural review sessions.
Contributed to microservices migration discussions, LOE estimates, and detailed design documentation.
Coordinated with UX, QA, SRE, and product owners to ensure timely and accurate delivery.
Applied personal Kanban and release checklists for consistent self-organization.
Refactored and modernized legacy systems using Java 8 and Java 11 features such as lambdas, optional, and enhanced switch expressions.
Built RESTful APIs and microservices with Spring Boot 2.x, Spring MVC, Spring Data JPA, Spring Security, and Spring Batch.
Implemented SOA and microservices patterns using Spring Eureka, Netflix Ribbon, Zuul API Gateway, and service discovery.
Developed SOAP and REST services using Jersey, Spring Web Services, XML, and JSON payloads.