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Hi, I’m Simon Xu, a software engineer with 20+ years of experience building scalable backend systems, modernising legacy stacks, and mentoring teams to deliver high-quality software. I excel at rapid learning, effective communication, and driving continuous improvement in fast-changing environments. I thrive in Agile settings, love creating robust automation and infrastructure-as-code foundations, and enjoy helping teams deliver reliable software through thoughtful design, testing, and collaborative leadership.…Hi, I’m Simon Xu, a software engineer with 20+ years of experience building scalable backend systems, modernising legacy stacks, and mentoring teams to deliver high-quality software. I excel at rapid learning, effective communication, and driving continuous improvement in fast-changing environments. I thrive in Agile settings, love creating robust automation and infrastructure-as-code foundations, and enjoy helping teams deliver reliable software through thoughtful design, testing, and collaborative leadership.

Simon Xu

Back-End Developer, Full Stack Developer, DevOps Developer, +5

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Hi, I’m Simon Xu, a software engineer with 20+ years of experience building scalable backend systems, modernising legacy stacks, and mentoring teams to deliver high-quality software. I excel at rapid learning, effective communication, and driving continuous improvement in fast-changing environments. I thrive in Agile settings, love creating robust automation and infrastructure-as-code foundations, and enjoy helping teams deliver reliable software through thoughtful design, testing, and collaborative leadership.…Hi, I’m Simon Xu, a software engineer with 20+ years of experience building scalable backend systems, modernising legacy stacks, and mentoring teams to deliver high-quality software. I excel at rapid learning, effective communication, and driving continuous improvement in fast-changing environments. I thrive in Agile settings, love creating robust automation and infrastructure-as-code foundations, and enjoy helping teams deliver reliable software through thoughtful design, testing, and collaborative leadership.

Available to hire

Hi, I’m Simon Xu, a software engineer with 20+ years of experience building scalable backend systems, modernising legacy stacks, and mentoring teams to deliver high-quality software. I excel at rapid learning, effective communication, and driving continuous improvement in fast-changing environments.

I thrive in Agile settings, love creating robust automation and infrastructure-as-code foundations, and enjoy helping teams deliver reliable software through thoughtful design, testing, and collaborative leadership.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

C++

Intermediate

Play

Intermediate

Language

Javanese

Fluent

Bashkir

Advanced

English

Fluent

Work Experience

Senior Software Engineer (Contract) at Transpower

July 31, 2025 - September 24, 2025

Design, develop, and deploy back-end services for electricity grid models, transmission pricing, finance, and investment systems.

Senior Software Engineer (Contract) at Flux Federation

June 30, 2024 - September 24, 2025

Modernised legacy on-prem Spring MVC applications into Spring Boot microservices; containerised and deployed on OpenShift; implemented RESTful Java services; AWS integration; monitoring with Kafka, Grafana and Prometheus.

Senior Full-Stack Developer (Contract) at Quotable Value

September 30, 2023 - September 24, 2025

Designed and deployed full-stack services on AWS; frontend with React; backend with Java; utilized PostgreSQL, S3, OpenAPI/Swagger; implemented CI/CD pipelines.

Senior Software Consultant at Jarden

February 28, 2023 - September 24, 2025

Designed and developed backend and frontend services for land and property reporting; RESTful APIs on AWS ECS/EKS; frontend in React; CI/CD pipelines.

Senior Software Consultant at Section 6

November 30, 2021 - September 24, 2025

Designed and integrated microservices, migrated legacy systems to AWS; implemented Auth0 identity; monitoring with Grafana/Prometheus; third-party API integrations.

Principal Member of Technical Staff at Oracle

February 28, 2021 - September 24, 2025

Led Oracle Linux test automation platform development and migration of tests to OCI; kernel-level test automation and infrastructure improvements; mentored junior engineers.

Software Development Manager at Oracle (Wellington)

September 30, 2013 - September 24, 2025

Managed software development teams, led Linux-related infrastructure projects and CI/test automation improvements.

Linux Kernel Team Lead at Asianux

November 30, 2010 - September 24, 2025

Led Linux kernel development and security mechanisms; mentored engineers; patch contributions to kernel; customer collaboration on Linux security.

Vice R&D Manager at Linx Technology

December 31, 2008 - September 24, 2025

Led R&D in Beijing; developed security mechanisms for Linux; migrated State Grid energy management system; kernel patches and contributions.

Software Development Manager at Oracle (Beijing)

December 31, 2004 - September 24, 2025

Beijing-based software development manager overseeing on-premises developments and cloud-related integration work.

Senior Software Engineer at Linx Technology (Beijing)

December 31, 2007 - September 24, 2025

Senior software engineer contributing to Linux kernel-related work and security features.

Assistant Researcher at Academy of Medical Sciences, Beijing

December 31, 2004 - September 24, 2025

Support role in biomedical research software development and related tasks.

Senior Software Engineer (Contract) at Transpower

July 1, 2025 - September 24, 2025

Design, develop, and deploy backend services for electricity grid modelling, transmission pricing, finance, and investment systems. Modernised legacy on-prem Spring MVC applications into SpringBoot microservices on OpenShift; containerised, deployed; RESTful Java services; Python workloads on ROSA; AWS Lambda, S3, PostgreSQL; Kafka messaging; Grafana/Prometheus monitoring; GitLab CI/CD.

Senior Software Engineer (Contract) at Flux Federation

June 1, 2024 - September 24, 2025

Design, develop, and deploy backend services for electricity calculation and billing; SpringBoot REST API in AWS EKS; React frontend; Lambda (Python), S3, PostgreSQL; Kafka/SQS for messaging; Grafana/Prometheus monitoring; migrated core billing services toward flexible microservices in AWS.

Senior Full-Stack Developer (Contract) at Quotable Value

September 1, 2023 - September 24, 2025

Design, develop, and deploy backend services for land and property reporting; JavaScript RESTful API in AWS ECS/EKS; React (TypeScript) frontend; Lambda (Python), S3, MS-SQL, SQS; CI/CD with AWS CodeBuild/CodePipeline; Terraform IaC; migrate legacy on-prem to AWS; frontend design for scheduling, searching and browsing reports (Vue.js).

Senior Software Engineer (Contract) at Jarden

February 1, 2023 - September 24, 2025

Design, develop, and integrate microservices for user profile and wealth team management; TypeScript RESTful and GraphQL API services in AWS EKS; Lambda (Python), S3, Redis, PostgreSQL; JWT authentication with Auth0; CircleCI CI/CD; Kafka messaging; migration workflows; Auth0 tooling; product ownership; legacy Scala maintenance.

Senior Software Consultant at Section6

November 1, 2021 - September 24, 2025

Backend for Vodafone DX website; Quarkus Java RESTful API on on-prem OpenShift; Red Hat 3scale API gateway; Apache Camel for integration; ArgoCD CI/CD; automation packages (Rust, Python, Ansible, Terraform) using OCI container images.

Principal Member of Technical Staff at Oracle

February 1, 2021 - September 24, 2025

Design, develop, and maintain Oracle Linux test automation platform; migrate tests from on-prem to OCI; maintain UEK and OCI image tests; mentor junior engineers; manage Jenkins CI/CD; contribute to open source projects (LTP, lksctp-tools, lz4, parted).

Software Development Manager at Oracle

September 1, 2013 - September 24, 2025

Lead design, development, and maintenance of Oracle Linux test automation platform; migrate automation to OCI; mentor engineers; Jenkins CI/CD pipeline management; oversee UEK tests and upstream research.

Linux Kernel Team Leader at Asianux

November 1, 2010 - September 24, 2025

Lead a distributed team delivering driver fixes, kernel updates, and security patches; monitor kernel community for CVEs; develop kernel fixes and errata; mentor junior engineers.

Vice R&D Manager at Linx Technology

January 1, 2008 - September 24, 2025

Lead packaging, build, and release engineering for Linx Rocky Linux; develop security mechanisms; drive migration of critical systems; promote CMMI process improvements.

Senior Software Engineer at Linx Technology

January 1, 2007 - September 24, 2025

Package, build, and release engineering for Linx Rocky Linux; develop security mechanisms; build encryption libraries for state-grid systems; contribute to Linux kernel-related projects.

Assistant Researcher at Academy of Medical Sciences

January 1, 2004 - September 24, 2025

Customize and rebrand Red Hat-based systems for production servers; develop Linux PAM authentication; build medical video-on-demand website; develop protein analysis tools.

Architect and Core Backend Developer at Spare-Time Projects

January 1, 2019 - September 24, 2025

Led backend architecture and core services for Mailchat (MQTT, Erlang/OTP, Node.js, Python, C, Redis, RabbitMQ); implemented high-throughput messaging and push systems; contributed to a Twitter-like internal site.