Senior Full Stack Developer

Led full stack development for multiple digital transformation projects within public sector services, using React and Node.js to design scalable web applications that improved citizen access to services, increasing user engagement by 38% across platforms serving over 200,000 monthly users. Conducted technical discovery and contributed to user research initiatives, translating business and user needs into detailed solution architectures and technical documentation, accelerating project kickoff timelines by 25%. Designed and implemented RESTful APIs and microservices using Node.js and Express, ensuring high availability and performance with response time improvements of 30% under peak load conditions. Collaborated with UX designers and product owners in agile sprint cycles, contributing to backlog refinement and iterative delivery, reducing feature delivery cycle time by 20%. Implemented automated unit and integration testing frameworks using Jest and Mocha, increasing code coverage to 85% and reducing production defects by 40%. Developed and optimized relational and NoSQL database solutions (PostgreSQL, MongoDB), improving query performance by 35% and supporting high-volume transaction processing. Built CI/CD pipelines using GitHub Actions and Jenkins, enabling automated deployment workflows and reducing release effort by 50% while maintaining deployment success rates above 99%. Refactored legacy systems into modular architectures, enhancing maintainability and reducing technical debt backlog by 28% across multi-release transformation programs. Mentored junior developers and contributed to onboarding processes, improving team productivity and alignment with development standards and best practices. Developed enterprise-grade web applications using Angular and .NET Core, delivering secure and scalable solutions that supported over 100,000 users with 99.9% uptime in production environments. Designed backend services using C# .NET Core, implementing clean architecture principles and design patterns that improved system maintainability and reduced code redundancy by 30%.

Led full stack development for multiple digital transformation projects within public sector services, using React and Node.js to design scalable web applications that improved citizen access to services, increasing user engagement by 38% across platforms serving over 200,000 monthly users. Conducted technical discovery and contributed to user research initiatives, translating business and user needs into detailed solution architectures and technical documentation, accelerating project kickoff timelines by 25%. Designed and implemented RESTful APIs and microservices using Node.js and Express, ensuring high availability and performance with response time improvements of 30% under peak load conditions. Collaborated with UX designers and product owners in agile sprint cycles, contributing to backlog refinement and iterative delivery, reducing feature delivery cycle time by 20%. Implemented automated unit and integration testing frameworks using Jest and Mocha, increasing code coverage to 85% and reducing production defects by 40%. Developed and optimized relational and NoSQL database solutions (PostgreSQL, MongoDB), improving query performance by 35% and supporting high-volume transaction processing. Built CI/CD pipelines using GitHub Actions and Jenkins, enabling automated deployment workflows and reducing release effort by 50% while maintaining deployment success rates above 99%. Refactored legacy systems into modular architectures, enhancing maintainability and reducing technical debt backlog by 28% across multi-release transformation programs. Mentored junior developers and contributed to onboarding processes, improving team productivity and alignment with development standards and best practices. Developed enterprise-grade web applications using Angular and .NET Core, delivering secure and scalable solutions that supported over 100,000 users with 99.9% uptime in production environments. Designed backend services using C# .NET Core, implementing clean architecture principles and design patterns that improved system maintainability and reduced code redundancy by 30%.

Integrated frontend applications with REST APIs, ensuring seamless communication and optimized data handling, reducing API error rates by 22%. Participated in agile ceremonies including sprint planning and retrospectives, contributing to continuous improvement initiatives that increased team velocity by 18%. Implemented automated testing strategies using NUnit and Selenium, improving regression testing efficiency by 35% and reducing manual QA effort. Collaborated with cross-functional teams including designers and stakeholders to align technical solutions with user-centered design principles, improving usability metrics by 25%. Developed reusable UI components and shared libraries, reducing development time for new features by 20% across multiple projects. Supported deployment and monitoring processes using Azure DevOps pipelines, ensuring consistent and reliable release cycles. Contributed to development of web-based applications using Vue.js and Python (Django), focusing on delivering responsive and user-friendly interfaces aligned with business requirements. Built backend services and REST APIs using Django, supporting data processing workflows and improving data retrieval performance by 27%. Assisted in database design and optimization for relational systems, improving data consistency and reducing query execution times. Implemented basic CI/CD pipelines and version control practices using Git, improving collaboration and reducing integration issues within the team. Participated in debugging, testing, and performance optimization efforts, reducing system downtime by 15% during early production phases. Worked closely with senior developers to apply design patterns and improve code structure, enhancing maintainability and scalability. Supported user testing and feedback analysis, contributing to iterative improvements that increased user satisfaction scores by 20%. Assisted in documentation and onboarding processes, ensuring knowledge transfer and consistency across development teams.