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As a senior software engineer with over 10 years of experience, I specialize in building robust and scalable applications using technologies like Node.js and Nest.js for backend development, and React, Next.js, and React Native for creating dynamic frontends. My expertise lies in delivering seamless user experiences across both web and mobile platforms, while maintaining high standards of code quality and performance. I have a passion for tackling complex challenges through innovative approaches and leveraging AI technologies to create intelligent, impactful solutions. For me, software engineering is much more than just coding—it's about designing meaningful digital experiences that solve real-world problems and foster innovation. I thrive on collaboration, continuous learning, and mentoring teams to push the boundaries of technology while ensuring secure, compliant, and efficient software solutions.…As a senior software engineer with over 10 years of experience, I specialize in building robust and scalable applications using technologies like Node.js and Nest.js for backend development, and React, Next.js, and React Native for creating dynamic frontends. My expertise lies in delivering seamless user experiences across both web and mobile platforms, while maintaining high standards of code quality and performance. I have a passion for tackling complex challenges through innovative approaches and leveraging AI technologies to create intelligent, impactful solutions. For me, software engineering is much more than just coding—it's about designing meaningful digital experiences that solve real-world problems and foster innovation. I thrive on collaboration, continuous learning, and mentoring teams to push the boundaries of technology while ensuring secure, compliant, and efficient software solutions.

Adrian Bui

Developer, Programmer, Full Stack Developer, +2

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As a senior software engineer with over 10 years of experience, I specialize in building robust and scalable applications using technologies like Node.js and Nest.js for backend development, and React, Next.js, and React Native for creating dynamic frontends. My expertise lies in delivering seamless user experiences across both web and mobile platforms, while maintaining high standards of code quality and performance. I have a passion for tackling complex challenges through innovative approaches and leveraging AI technologies to create intelligent, impactful solutions. For me, software engineering is much more than just coding—it's about designing meaningful digital experiences that solve real-world problems and foster innovation. I thrive on collaboration, continuous learning, and mentoring teams to push the boundaries of technology while ensuring secure, compliant, and efficient software solutions.…As a senior software engineer with over 10 years of experience, I specialize in building robust and scalable applications using technologies like Node.js and Nest.js for backend development, and React, Next.js, and React Native for creating dynamic frontends. My expertise lies in delivering seamless user experiences across both web and mobile platforms, while maintaining high standards of code quality and performance. I have a passion for tackling complex challenges through innovative approaches and leveraging AI technologies to create intelligent, impactful solutions. For me, software engineering is much more than just coding—it's about designing meaningful digital experiences that solve real-world problems and foster innovation. I thrive on collaboration, continuous learning, and mentoring teams to push the boundaries of technology while ensuring secure, compliant, and efficient software solutions.

Available to hire

As a senior software engineer with over 10 years of experience, I specialize in building robust and scalable applications using technologies like Node.js and Nest.js for backend development, and React, Next.js, and React Native for creating dynamic frontends. My expertise lies in delivering seamless user experiences across both web and mobile platforms, while maintaining high standards of code quality and performance. I have a passion for tackling complex challenges through innovative approaches and leveraging AI technologies to create intelligent, impactful solutions.

For me, software engineering is much more than just coding—it’s about designing meaningful digital experiences that solve real-world problems and foster innovation. I thrive on collaboration, continuous learning, and mentoring teams to push the boundaries of technology while ensuring secure, compliant, and efficient software solutions.

Skills

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Work Experience

Senior Software Engineer at Philips Healthcare

September 1, 2023 - Present

Led the design and development of a cloud-native electronic health record (EHR) platform used by over 10,000 healthcare professionals, improving patient record access speed by 40%. Architected and implemented microservices in Nest.js, supporting secure data exchange between hospital systems and third-party labs with compliance to FHIR and HL7 standards. Developed patient-facing web interfaces using Next.js and TypeScript with real-time appointment booking, lab result tracking, and telehealth features maintaining 99.99% uptime. Integrated OAuth2, JWT, and RBAC for secure authentication and user permissions. Built a real-time health monitoring dashboard enabling clinicians to receive live alerts from wearable IoT devices. Improved CI/CD pipelines reducing deployment errors by 75% and released weekly. Collaborated with data scientists on AI-driven diagnostics APIs. Ensured HIPAA and GDPR compliance through audit logging, encryption, and penetration testing.

Senior Software Engineer at FARFETCH

August 1, 2023 - August 19, 2025

Engineered and maintained core features of a high-traffic e-commerce web platform serving over 3 million monthly users using Node.js, React.js, and React Native. Designed and deployed microservices managing product catalog, inventory, and checkout flows, boosting transaction throughput by 60% during peak sales. Migrated a monolithic codebase to microservices architecture on Microsoft Azure using App Services, Functions, and Service Bus for scalability and fault tolerance. Optimized search functionality with Elasticsearch and Algolia, reducing average search time by 45%. Developed real-time cart synchronization and stock reservation systems using Redis and WebSockets. Implemented A/B testing with React and Redux leading to a 25% uplift in mobile conversion rates. Integrated multiple secure payment gateways ensuring PCI-DSS compliance. Developed RESTful and GraphQL APIs for multi-channel integrations. Maintained 90%+ test coverage with automated testing tools and collaborated cross-funct

Software Engineer at Klarna

October 1, 2018 - August 19, 2025

Contributed to the development of a secure digital wallet and peer-to-peer payments platform using Node.js, Angular, and Azure Functions handling thousands of daily transactions. Built services for real-time transaction processing, balance tracking, and authentication ensuring speed and fault tolerance. Integrated third-party services for KYC and AML checks improving onboarding compliance and reducing manual reviews by 40%. Implemented end-to-end encryption, OAuth2, and multi-factor authentication to secure user data adhering to PCI DSS and GDPR regulations. Maintained high test coverage with Jest, Selenium, and Postman, supporting platform reliability with zero major incidents during quarterly audits.

Junior Full Stack Developer at Brainly

September 1, 2017 - August 19, 2025

Developed and maintained interactive web applications for online learning platforms using React.js and Node.js supporting student enrollment, course navigation, and progress tracking. Built RESTful APIs with Express.js and MongoDB for dynamic content delivery and real-time feedback features for thousands of users. Collaborated with UX designers and product managers to create responsive UI components which improved user engagement by 20%. Participated in code reviews, sprint planning, and daily standups within an Agile team. Assisted in troubleshooting frontend/backend issues reducing customer-reported bugs by 30%. Implemented secure user authentication and role-based access control.