I am a Senior Full-Stack Developer with over 9 years of experience architecting and delivering scalable web applications across healthcare, finance, and education sectors. My expertise lies in modern JavaScript frameworks, microservices design, and cloud technologies including AWS and Docker. I've successfully led cross-functional teams to implement enterprise-grade solutions that increased platform adoption by 35% and improved system performance by 40%. Committed to agile methodologies and engineering best practices, I drive digital transformation and business growth within the Netherlands IT market.

Sven Li

I am a Senior Full-Stack Developer with over 9 years of experience architecting and delivering scalable web applications across healthcare, finance, and education sectors. My expertise lies in modern JavaScript frameworks, microservices design, and cloud technologies including AWS and Docker. I've successfully led cross-functional teams to implement enterprise-grade solutions that increased platform adoption by 35% and improved system performance by 40%. Committed to agile methodologies and engineering best practices, I drive digital transformation and business growth within the Netherlands IT market.

Available to hire

I am a Senior Full-Stack Developer with over 9 years of experience architecting and delivering scalable web applications across healthcare, finance, and education sectors. My expertise lies in modern JavaScript frameworks, microservices design, and cloud technologies including AWS and Docker. I’ve successfully led cross-functional teams to implement enterprise-grade solutions that increased platform adoption by 35% and improved system performance by 40%. Committed to agile methodologies and engineering best practices, I drive digital transformation and business growth within the Netherlands IT market.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Work Experience

Senior Full-Stack Developer at TOPdesk
October 1, 2022 - Present
Architected and led development of a cloud-based, multi-tenant SaaS platform serving over 100,000 active users in real-time. Designed scalable microservices architecture using Node.js, PostgreSQL, and Docker, deployed via AWS Lambda, S3, RDS, and Cloud Watch. Reduced deployment time by 80% by implementing CI/CD pipelines with GitHub Actions, enabling rapid and safe feature rollouts. Spearheaded performance optimization and load balancing efforts, achieving 45% faster response times on high-traffic modules. Collaborated with cross-functional teams across EMEA and North America to deliver high-priority features under strict SLAs and compliance frameworks. Built and maintained internal tools for logging, monitoring, and access control improving system observability and developer experience. Led and mentored a team of 10 sessions. Integrated OAuth 2.
Full-Stack Developer at Lizard Global
September 30, 2022 - August 20, 2025
Designed and maintained enterprise-level CRM and ERP systems using Angular and Node.js scalable and responsive platforms for global clients. Integrated third-party services such as Stripe for payments, Twilio for messaging, and Firebase for real-time data and cloud authentication. Optimized front-end performance and SEO through Angular Universal improving load times by 40%. Developed robust CI/CD pipelines using GitLab CI, automating testing and deployments across multiple environments. Wrote and maintained automated test suites with Jest and Cypress, increasing test coverage and minimizing bugs in production. Collaborated in Agile/Scrum teams, delivering features on tight timelines while maintaining high code quality and security standards under GDPR compliance. Created modular, reusable front-end components and internal tools that improved developer productivity and reduced feature rollout time.
Junior Web Developer at WeAreBrain
June 30, 2019 - August 20, 2025
Maintained legacy applications in PHP and jQuery and migrated to Laravel MVC. Created responsive UI/UX features and mobile-first front-ends using Bootstrap. Participated in Agile planning and QA test cycles with cross-functional dev and design teams. Provided custom CMS and API integration support for retail and logistics clients.
Senior Full-Stack Developer at TOPdesk
October 1, 2022 - Present
Architected and led development of a cloud-based, multi-tenant SaaS platform serving over 100,000 active users in real-time. Designed scalable microservices architecture using Node.js, PostgreSQL, and Docker, deployed via AWS Lambda, S3, RDS, and CloudWatch. Reduced deployment time by 80% by implementing CI/CD pipelines with GitHub Actions, enabling rapid and safe feature rollouts across staging and production. Spearheaded performance optimization and load balancing efforts, achieving 45% faster response times on high-traffic modules. Collaborated with cross-functional teams across EMEA and North America to deliver high-priority features under strict SLAs and compliance frameworks. Built and maintained internal tools for logging, monitoring, and access control, improving system observability and developer experience. Led and mentored a team of 10 sessions. Integrated OAuth 2.
Full-Stack Developer at Lizard Global
September 30, 2022 - August 20, 2025
Designed and maintained enterprise-level CRM and ERP systems using Angular and Node.js scalable and responsive platforms for global clients. Integrated third-party services such as Stripe for payments, Twilio for messaging, and Firebase for real-time data and cloud authentication. Optimized front-end performance and SEO through Angular Universal improving load times by 40%. Developed robust CI/CD pipelines using GitLab CI, automating testing and deployments across multiple environments. Wrote and maintained automated test suites with Jest and Cypress, increasing test coverage and minimizing bugs in production. Collaborated in Agile/Scrum teams, delivering features on tight timelines while maintaining high code quality and security standards under GDPR compliance. Created modular, reusable front-end components and internal tools that improved developer productivity and reduced feature rollout time.
Junior Web Developer at WeAreBrain
June 30, 2019 - August 20, 2025
Maintained legacy applications in PHP and jQuery, and migrated to Laravel MVC. Created responsive UI/UX features and mobile-first front-ends using Bootstrap. Participated in Agile planning and QA test cycles with cross-functional dev and design teams. Provided custom CMS and API integration support for retail and logistics clients.
Senior Full Stack Developer at TOPdesk
October 1, 2022 - Present
Led a cross-regional development team of 10 engineers, ensuring code quality through peer reviews and mentoring, resulting in 20% fewer production incidents. Increased platform adoption by over 35% across healthcare and education clients by delivering scalable modules powered by React.js, Node.js, and PostgreSQL. Reduced deployment cycle from weeks to days by implementing CI/CD pipelines with GitHub Actions, enabling safe feature rollouts. Achieved 40% faster system response times by optimizing service orchestration and applying load balancing strategies with AWS Lambda and Docker. Designed a role-based access control system significantly strengthening enterprise-grade security. Collaborated with product and design teams to deliver high-impact features tailored for financial services clients under strict SLA agreements. Spearheaded architectural modernization by migrating critical services into a microservices framework, enabling greater scalability. Delivered long-term value to commer
Full-Stack Developer at Lizard Global
September 30, 2022 - August 26, 2025
Scaled CRM and ERP platforms to support 5 million monthly users using Angular, Node.js, and MongoDB. Reduced feature rollout time by 30% through automation of testing and deployments with GitLab CI/CD pipelines. Improved SEO and frontend performance by 40% using SSR, lazy loading, and Angular Universal. Increased system resilience by designing microservices integrations with payment providers. Developed modular front-end libraries with Vue.js and React.js, accelerating UI delivery across multi-tenant projects. Enhanced security for FinTech and healthcare applications by embedding GDPR-compliant data handling policies. Collaborated with product managers and stakeholders to ensure on-time delivery of custom applications supporting business goals in diverse industries.
Junior Web Developer at WeAreBrain
June 30, 2019 - August 26, 2025
Migrated legacy applications to modern full-stack solutions transitioning from PHP/jQuery to Laravel MVC and React.js. Delivered cost savings of 15% annually by automating infrastructure provisioning with Docker and Jenkins pipelines. Implemented responsive mobile-first applications using Bootstrap ensuring accessibility across multiple device types. Developed internal APIs and middleware for e-commerce clients enabling smoother integrations with third-party platforms. Supported digital transformation initiatives by providing DevOps consulting and scaling infrastructure for healthcare and FinTech startups.
Senior Full Stack Developer at TOPdesk
October 1, 2022 - Present
Increased platform adoption by over 35% across healthcare and education clients by delivering scalable modules powered by React.js, Node.js, and PostgreSQL. Reduced deployment cycle from weeks to days through CI/CD pipelines with GitHub Actions, enabling safe feature rollouts across staging and production. Achieved 40% faster system response times by optimizing service orchestration and applying load balancing strategies using AWS Lambda and Docker. Led a cross-regional development team of 10 engineers, ensuring code quality through peer reviews and mentoring, resulting in 20% fewer production incidents. Designed a role-based access control system, significantly strengthening enterprise-grade security. Collaborated with product and design teams to deliver high-impact features tailored for financial services clients under strict SLA agreements. Spearheaded architectural modernization by migrating critical services into a microservices framework, enabling greater scalability. Delivered l
Full-Stack Developer at Lizard Global
September 30, 2022 - August 26, 2025
Scaled CRM and ERP platforms to support 5M monthly users by building with Angular, Node.js, and MongoDB. Reduced feature rollout time by 30% through automation of testing and deployments with GitLab CI/CD pipelines. Improved SEO and frontend performance by 40% using SSR, lazy loading, and Angular Universal. Increased system resilience by designing microservices integrations with payment providers. Developed modular front-end libraries with Vue.js and React.js, accelerating UI delivery across multi-tenant projects. Enhanced security for FinTech and healthcare applications by embedding GDPR-compliant data handling policies. Collaborated with product managers and stakeholders to ensure on-time delivery of custom applications that supported business goals in diverse industries.
Junior Web Developer at WeAreBrain
June 30, 2019 - August 26, 2025
Migrated legacy applications to modern full stack solutions by transitioning from PHP/jQuery to Laravel MVC and React.js. Delivered cost savings of 15% annually by automating infrastructure provisioning with Docker and Jenkins pipelines. Implemented responsive mobile-first applications using Bootstrap, ensuring accessibility across multiple device types. Developed internal APIs and middleware for e-commerce clients, enabling smoother integrations with third-party platforms. Supported digital transformation initiatives by providing DevOps consulting and scaling infrastructure for healthcare and fintech startups.

Education

Bachelor degree of Computer Science at Leiden University
September 1, 2012 - August 20, 2025
Bachelor degree of Computer Science at Leiden University
September 1, 2012 - August 20, 2025
Bachelor degree at Universiteit Leiden
September 1, 2012 - August 26, 2025
Bachelor degree of Computer Science at Universiteit Leiden
September 1, 2012 - August 26, 2025

Qualifications

Microsoft Certified: Azure Developer Associate
January 11, 2030 - August 20, 2025
Certified Scrum Master
January 11, 2030 - August 20, 2025
Microsoft Certified: Azure Developer Associate
January 11, 2030 - August 20, 2025
Certified Scrum Master
January 11, 2030 - August 20, 2025
Certified Scrum Master
January 11, 2030 - August 26, 2025
MongoDB Certified Developer
January 11, 2030 - August 26, 2025
Certified Scrum Master
January 11, 2030 - August 26, 2025
MongoDB Certified Developer
January 11, 2030 - August 26, 2025

Industry Experience

Software & Internet, Professional Services, Retail, Financial Services, Telecommunications, Transportation & Logistics, Healthcare, Education