Stack Engineer Development Specialist

Vincent Williams, Full Stack Engineer

682-***-****, *******************@*****.***

AUBREY, TX

LINKS https://www.linkedin.com/in/vincent-williams-9377b4255/ PROFILE Web development specialist passionate about both the front and back ends. A fervent supporter of open- source projects and has a penchant for crafting pristine code, especially for single-page interfaces. Proficient in collaborative coding sessions and thrives in a remote work setup. Versed in an array of languages, platforms, and tools, with an innate ability to grasp new concepts swiftly and effectively. EMPLOYMENT HISTORY

Jun 2022— Sep 2024 Senior Full Stack Engineer, Cryoport

• Developed a robust product tracking system for Cryoport’s cold chain logistics using Ruby on Rails, JavaScript (React), GraphQL, and AWS, enabling real-time tracking and data monitoring of temperature-sensitive shipments.

• Redesigned and implemented the user interface based on Figma designs, converting prototypes into a highly interactive, responsive web application using React, ensuring seamless user experience.

• Led the development of comprehensive RSpec test suites, achieving 95%+ code coverage, and used mocking and stubbing techniques to isolate and optimize test performance.

• Managed and prioritized the technology platform roadmap, ensuring smooth execution of high- priority projects, and improving product delivery timelines.

• Collaborated cross-functionally with product managers, designers, and backend teams to gather requirements, define project specifications, and deliver high-quality features within aggressive deadlines.

• Implemented secure user authentication and authorization using Devise, ensuring data protection and compliance with Cryoport’s strict security standards.

• Optimized database queries and data fetching techniques, resulting in a 30% reduction in page load times and improved overall application performance.

• Integrated third-party services, including payment gateways and shipping APIs, enhancing the application’s functionality for both internal teams and external partners.

• Conducted A/B testing and analyzed key metrics to drive data-driven decisions, improving user engagement by 20% through iterative UI/UX enhancements.

• Resolved critical bugs and escalated issues, consistently maintaining a high level of responsiveness to ensure a seamless user experience and high user satisfaction. Jan 2018 — May 2022 Senior Full Stack Engineer, ChaiOne

• Developed and enhanced key features for ChaiOne’s industrial-focused applications using Ruby on Rails and Node.js, enabling efficient data processing, workflow automation, and secure transaction handling for enterprise clients.

• Built and optimized responsive frontend interfaces using React and SCSS, improving user engagement and accessibility by designing UIs that met industry best practices for usability and scalability.

• Integrated React with Ruby on Rails to build dynamic single-page applications (SPAs), ensuring seamless user interactions and faster performance, particularly for complex data-driven operations.

• Designed reusable React components using Material UI and Ant Design, improving development speed and ensuring UI consistency across multiple platforms.

• Developed comprehensive test suites using RSpec and Jest, leveraging mocking and stubbing techniques to isolate and test critical functionalities in both Ruby on Rails and Node.js environments.

• Implemented backend services in Node.js for real-time data processing, enhancing the scalability and performance of applications used in industrial settings.

• Optimized API integrations between the React frontend and the Rails/Node.js backend, leading to faster data retrieval and improved application responsiveness.

• Collaborated closely with cross-functional teams including product managers, UX designers, and engineering leads, delivering high-quality features on schedule for demanding enterprise environments.

• Led the migration of legacy systems to modern frameworks like Ruby on Rails and React, resulting in improved code maintainability, security, and enhanced application performance.

• Implemented user authentication and authorization using Devise and JWT, ensuring secure access to sensitive operational data while complying with industry standards for data protection.

• Conducted regular code reviews for both React and Node.js codebases, ensuring the highest level of code quality and adherence to best practices. Jan 2015 — Dec 2017 Full Stack Engineer, MetLife

• Research and implement tons of React and JavaScript functionality for a richer Front-End experience.

• Ruby on Rails, JavaScript, React, jQuery, Behavioral Driven Development (BDD) and pair based. programming is used to develop client-based features and applications.

• Used JIRA for real-time issue tracking, bug tracking, and project management functions Installation and configuration of multiple versions of Ruby on Rails.

• Leveraged existing APIs available (Google) to adopt other services to adjust to tight deadlines and use already built functionality.

• Collaborated with clients to understand project requirements and deliver custom React and JavaScript solutions that exceeded expectations and enhanced user experience.

• Developed responsive and mobile-friendly web applications using Bootstrap and media queries to ensure seamless user interactions across various devices.

• Implemented Redux for state management in React applications, enhancing the scalability and maintainability of complex frontend architectures.

• Participated in code refactoring initiatives, improving code quality and adhering to best practices for clean, efficient, and maintainable code.

• Utilized Test-Driven Development (TDD) practices, writing unit tests with frameworks like Enzyme and Jasmine to ensure code reliability and facilitate future code changes.

• Collaborated with UX designers to convert wireframes and mockups into interactive web pages with pixel-perfect precision and attention to detail.

• Conducted load testing and performance optimization using tools like Lighthouse and Web Page Test, ensuring high application performance and user satisfaction.

• Utilized Git and GitHub for version control and collaborative development, maintaining organized and efficient code repositories.

Oct 2011 — Dec 2014 Junior Engineer, McKesson

• Building stable and maintainable code bases using React, Ruby on Rails.

• Applied a mobile-first approach to existing websites, ensuring that the user experience was seamless and optimized across different devices and screen sizes. Leveraged responsive design techniques and frameworks like Bootstrap or Tailwind CSS to create fluid and adaptable layouts.

• Implemented comprehensive testing strategies using tools like Jest, RSpec, and Mocha to ensure the stability and maintainability of code bases built with React, Ruby on Rails, and Node.

• Employed testing frameworks to write unit tests, integration tests, and end-to-end tests, covering critical functionality and edge cases.

• Collaborating with designers to ensure designs were efficient and technically sound.

• Creating modular, responsive templates using modern CSS techniques and JavaScript libraries.

• Optimized front-end performance through code optimization, caching, and other techniques, resulting in faster page load times and improved user experience.

• Assist with the transition from a waterfall method to a more efficient Agile methodology.

• Implemented real-time features using WebSockets and event-driven architecture, enhancing user engagement and interactivity on the platform.

• Conducted code reviews and provided constructive feedback to peers, fostering a culture of collaboration and continuous improvement within the development team.

• Worked closely with product managers to gather and refine requirements, translating them into actionable technical tasks and project deliverables.

• Integrated internationalization (i18n) and localization (l10n) features into web applications, allowing the platform to be accessible to a global audience.

• Implemented user authentication and authorization mechanisms using OAuth and JWT, enhancing security and user privacy on the platform.

• Developed and maintained RESTful APIs, enabling seamless communication between frontend and backend systems and supporting third-party integrations.

• Actively participated in sprint planning, daily stand-ups, and retrospectives, contributing to the team's Agile process and fostering a culture of transparency and adaptability EDUCATION

2007 — 2011 Bachelor's Degree, Computer Science, University of Houston

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