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I’m Chen Zeng, a senior software engineer in Cork, Ireland, with 9+ years of full-stack experience delivering production-quality solutions for consumer-facing applications and government platforms. I’m especially passionate about building reliable back-end services and designing low-latency APIs that integrate third-party systems securely. Across my roles at Accela and earlier positions in permit/licensing and e-wallet/payment platforms, I’ve focused on data modeling, API integrations, and event-driven architectures. I lead cross-functional efforts to deliver MVP features while maintaining compliance and privacy standards, and I’m comfortable driving improvements through CI/CD, performance tuning, and thorough QA collaboration.…I’m Chen Zeng, a senior software engineer in Cork, Ireland, with 9+ years of full-stack experience delivering production-quality solutions for consumer-facing applications and government platforms. I’m especially passionate about building reliable back-end services and designing low-latency APIs that integrate third-party systems securely. Across my roles at Accela and earlier positions in permit/licensing and e-wallet/payment platforms, I’ve focused on data modeling, API integrations, and event-driven architectures. I lead cross-functional efforts to deliver MVP features while maintaining compliance and privacy standards, and I’m comfortable driving improvements through CI/CD, performance tuning, and thorough QA collaboration.

Chen Zeng

Full Stack Developer, Software Engineer, Back-End Developer

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I’m Chen Zeng, a senior software engineer in Cork, Ireland, with 9+ years of full-stack experience delivering production-quality solutions for consumer-facing applications and government platforms. I’m especially passionate about building reliable back-end services and designing low-latency APIs that integrate third-party systems securely. Across my roles at Accela and earlier positions in permit/licensing and e-wallet/payment platforms, I’ve focused on data modeling, API integrations, and event-driven architectures. I lead cross-functional efforts to deliver MVP features while maintaining compliance and privacy standards, and I’m comfortable driving improvements through CI/CD, performance tuning, and thorough QA collaboration.…I’m Chen Zeng, a senior software engineer in Cork, Ireland, with 9+ years of full-stack experience delivering production-quality solutions for consumer-facing applications and government platforms. I’m especially passionate about building reliable back-end services and designing low-latency APIs that integrate third-party systems securely. Across my roles at Accela and earlier positions in permit/licensing and e-wallet/payment platforms, I’ve focused on data modeling, API integrations, and event-driven architectures. I lead cross-functional efforts to deliver MVP features while maintaining compliance and privacy standards, and I’m comfortable driving improvements through CI/CD, performance tuning, and thorough QA collaboration.

Available to hire

I’m Chen Zeng, a senior software engineer in Cork, Ireland, with 9+ years of full-stack experience delivering production-quality solutions for consumer-facing applications and government platforms. I’m especially passionate about building reliable back-end services and designing low-latency APIs that integrate third-party systems securely.

Across my roles at Accela and earlier positions in permit/licensing and e-wallet/payment platforms, I’ve focused on data modeling, API integrations, and event-driven architectures. I lead cross-functional efforts to deliver MVP features while maintaining compliance and privacy standards, and I’m comfortable driving improvements through CI/CD, performance tuning, and thorough QA collaboration.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Work Experience

Senior Software Engineer at Accela

October 1, 2022 - Present

Developed and optimized backend features for Accela’s civic platform used by local governments, focusing on low-latency APIs. Integrated third-party compliance tracking services with secure data handling and privacy adherence. Architected REST APIs backed by PostgreSQL to support data retrieval and manipulation, improving system responsiveness. Implemented Kafka-based event-driven architecture to improve synchronization of licensing processes. Designed documented system audit trails to enable transparent review of user interactions. Collaborated with product managers to define MVP features, streamlined CI/CD pipelines with automated testing protocols, and worked with QA on acceptance criteria and regression testing. Maintained API performance and reduced time complexity using effective querying techniques.

Software Engineer at Accela

January 1, 2021 - October 1, 2022

Built core features for the permit and licensing workflow engine to support high availability for 500+ government clients. Helped transform monolithic components into independent services to improve deployment flexibility. Crafted APIs for application processing and status changes aligned to varying government regulations. Optimized PostgreSQL database interactions to improve query efficiency during peak load. Managed critical production incidents with thorough analysis and timely resolution, and supported the delivery of compliant, resilient platform behavior.

Java Developer at MiFinity

July 1, 2020 - January 1, 2021

Enhanced features for a high-traffic e-wallet and payment processing platform with an emphasis on secure transaction handling. Implemented validation logic in collaboration with legal teams to meet financial regulatory requirements. Executed database migration strategies and maintained schemas to support feature rollouts.

Junior Java Engineer at MiFinity

September 1, 2018 - July 1, 2020

Started as a graduate engineer and gained experience in Java back-end development. Built internal tools for generating reports, significantly reducing manual processing time. Increased test coverage across projects by collaborating with peers to implement unit tests.