S

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 2024Present · 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 2022May 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 2021Jun 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 2019Feb 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.
Java 8Java 11Spring Boot 2.xREST APIsSOAPSpring Security+4

Education

JNTUH College of Engineering Hyderabad

Bachelor's degree — Computer Science

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S A. - Full Stack Engineer | Stackforce