Available to hire
Hi, I’m Andy Zhang, a Senior Full-Stack Developer based in Amsterdam, Netherlands. I bring nine years of experience designing and building software across front-end and back-end stacks, delivering scalable solutions for enterprise clients.
I’m proficient in React.js, Vue.js, Next.js, Angular, Svelte, Node.js, Express, Nest.js, Laravel, GraphQL, RESTful APIs, and databases like MongoDB and PostgreSQL. I also work with containerization and cloud technologies (Docker, Kubernetes, Azure, Google Cloud) and I’m passionate about creating maintainable, secure code and delightful user experiences through collaboration with UX/UI teams.
Skills
Language
English
Fluent
Chinese
Fluent
Russian
Advanced
Spanish; Castilian
Intermediate
German
Intermediate
Hindi
Intermediate
Work Experience
Senior Full Stack Developer at AdNovum
July 2, 2025 - September 23, 2025Designed and implemented a microservice-based architecture using Java Spring Boot and Kubernetes, significantly improving system scalability and reducing deployment time for enterprise clients. Developed a high-performance React + TypeScript front-end integrated with GraphQL APIs to deliver a seamless user experience and boost client satisfaction. Built a secure authentication and authorization system leveraging OAuth 2, OpenID Connect, and Keycloak to meet strict banking security regulations. Optimized large data processing with Python-based ETL pipelines and asynchronous data handling, reducing report generation time from hours to minutes. Spearheaded migration of legacy monolithic .NET applications to a cloud-native architecture on Microsoft Azure, enabling continuous delivery and improved maintainability.
Full Stack Developer at CodeControl
December 1, 2021 - September 23, 2025Architected and deployed a distributed system using Node.js with Express and Apache Kafka, enabling real-time data streaming and high-throughput event processing for enterprise clients. Developed an advanced Vue.js + Nuxt.js front-end integrated with REST APIs, enhancing client dashboards. Contributed to Bootstrap-based layouts with modular components to speed prototyping and ensure consistency across multiple web applications. Supported backend developers by writing PHP scripts and REST API endpoints, facilitating communication between internal services and external advertising platforms. Optimized website performance by reducing image assets, CSS overhead, and DOM complexity, improving page load times and driving higher user engagement.
Junior Web Developer at AppLovin
January 1, 2018 - September 23, 2025Led development of responsive user interfaces using HTML5, CSS3, and JavaScript. Ensured cross-browser compatibility and implemented interactive front-end features with jQuery, improving mobile accessibility and client dashboards. Contributed to front-end architecture and internal tooling to streamline development and expand product capabilities.
Software Engineer at Hexaware Technologies
October 1, 2019 - September 23, 2025Developed enterprise-grade software solutions in Mumbai, India, focusing on front-end and back-end integration. Implemented robust web applications using modern JavaScript frameworks and server-side technologies, contributing to increased system reliability and performance.
Education
Bachelor's Degree in Computer Science and Software Engineering at University of Denver, Colorado Springs, United States
September 1, 2012 - August 1, 2016Qualifications
Industry Experience
Software & Internet, Professional Services, Other
Skills
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