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Software Engineer and Technical Lead with 6+ years of experience delivering enterprise retail and backend systems. Hands-on in Java, Spring Boot, React, PostgreSQL, Redis, Kafka, microservices, CI/CD, and performance optimization. Experienced in leading Agile delivery, translating business requirements into technical design, reviewing production code, mentoring developers, and improving system reliability and efficiency. Led multiple retail application workstreams and owned technical design for new features, including architecture trade-offs, integration risks, and release readiness. Delivered measurable performance and reliability improvements, spearheaded monolith-to-microservices migration, built and mentored teams, and partnered with DevOps to ensure successful AWS/Docker-based releases.…Software Engineer and Technical Lead with 6+ years of experience delivering enterprise retail and backend systems. Hands-on in Java, Spring Boot, React, PostgreSQL, Redis, Kafka, microservices, CI/CD, and performance optimization. Experienced in leading Agile delivery, translating business requirements into technical design, reviewing production code, mentoring developers, and improving system reliability and efficiency. Led multiple retail application workstreams and owned technical design for new features, including architecture trade-offs, integration risks, and release readiness. Delivered measurable performance and reliability improvements, spearheaded monolith-to-microservices migration, built and mentored teams, and partnered with DevOps to ensure successful AWS/Docker-based releases.

Jayden Chen

Full Stack Developer, Back-End Developer, Web Developer, +2

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Software Engineer and Technical Lead with 6+ years of experience delivering enterprise retail and backend systems. Hands-on in Java, Spring Boot, React, PostgreSQL, Redis, Kafka, microservices, CI/CD, and performance optimization. Experienced in leading Agile delivery, translating business requirements into technical design, reviewing production code, mentoring developers, and improving system reliability and efficiency. Led multiple retail application workstreams and owned technical design for new features, including architecture trade-offs, integration risks, and release readiness. Delivered measurable performance and reliability improvements, spearheaded monolith-to-microservices migration, built and mentored teams, and partnered with DevOps to ensure successful AWS/Docker-based releases.…Software Engineer and Technical Lead with 6+ years of experience delivering enterprise retail and backend systems. Hands-on in Java, Spring Boot, React, PostgreSQL, Redis, Kafka, microservices, CI/CD, and performance optimization. Experienced in leading Agile delivery, translating business requirements into technical design, reviewing production code, mentoring developers, and improving system reliability and efficiency. Led multiple retail application workstreams and owned technical design for new features, including architecture trade-offs, integration risks, and release readiness. Delivered measurable performance and reliability improvements, spearheaded monolith-to-microservices migration, built and mentored teams, and partnered with DevOps to ensure successful AWS/Docker-based releases.

Available to hire

Software Engineer and Technical Lead with 6+ years of experience delivering enterprise retail and backend systems. Hands-on in Java, Spring Boot, React, PostgreSQL, Redis, Kafka, microservices, CI/CD, and performance optimization. Experienced in leading Agile delivery, translating business requirements into technical design, reviewing production code, mentoring developers, and improving system reliability and efficiency.

Led multiple retail application workstreams and owned technical design for new features, including architecture trade-offs, integration risks, and release readiness. Delivered measurable performance and reliability improvements, spearheaded monolith-to-microservices migration, built and mentored teams, and partnered with DevOps to ensure successful AWS/Docker-based releases.

Skills

Experience Level

Expert

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Expert

Beginner

Language

Javanese

Advanced

Work Experience

Tech Lead & Team Leader at daVinci Retail

September 1, 2022 - December 31, 2024

Led multiple retail application workstreams, partnering with product managers and business stakeholders to define scope, break down requirements, assign tasks, and align delivery priorities. Served as Scrum Master (stand-ups, sprint planning, estimation, and delivery tracking using GitHub, Teams, Jira). Owned technical design for new features and guided implementation decisions across architecture trade-offs and integration risks. Spearheaded migration from monolith to microservices, improving maintainability and scalability. Built and led a new innovation-focused development team, including recruitment, onboarding, mentoring, and technical growth. Acted as final code reviewer for business logic and production readiness. Reduced CPU usage by 12% and memory by 16% via monitoring and targeted optimizations; improved regression coverage with cucumber automated tests. Architected a high-concurrency enterprise data integration microservice for bidirectional SFTP exchange, large-scale ingest

Senior Full Stack Developer at daVinci Retail

April 1, 2021 - August 31, 2022

Contributed to a major AngularJS-to-React migration while preserving critical retail workflows. Designed and developed backend services using Java, Spring Boot, PostgreSQL, MyBatis, Redis, Kafka messaging, and embedded caching components. Participated in CI/CD and improved automated testing for more reliable build/test/deploy. Designed and implemented SSE-based solutions for web communication responsiveness and security. Replaced Redis with Caffeine cache in targeted components, reducing processing time by 60%. Optimized microservice communication patterns to reduce unnecessary data drilling and improve efficiency and maintainability. Collaborated with QA/product/developers to troubleshoot production issues and deliver stable releases, including enterprise authentication with Azure AD using OAuth2/OIDC, JWT validation, session management, RBAC, and secured REST APIs with Spring Security. Developed and deployed Spring Boot REST services; implemented JDBC-based database operations and im

Backend Developer at NeusoT

March 1, 2017 - December 31, 2018