Dietrich Fernandez

Dietrich Fernandez

Web Developer Consultlant
Reply rate:
66.67%
Availability:
Hourly ($/hour)
Location:
Riverside, California, United States
Experience:
10 years
Dietrich Fernandez / Full-stack Software Engineer Full-stack Software Engineer with 10+ years of experience driving measurable impact across product development, system modernization, and cross-functional leadership. Proven expertise in scaling applications, optimizing performance, mentoring teams, and delivering results in fast-paced environments. Professional Experience Senior Fullstack Developer • Ambit (Remote) ​ Jan 2025 - Jul 2025 ●​ Modernized multi-service platform (POS, retail, e-comm, kiosk) serving 150+ users; refactored React, Angular, PHP, SQL microservices, reducing code duplication by 30-40% ●​ Designed a business-management module eliminating manual workflows, reducing onboarding time by ~70% and enabling self-service operations ●​ Built commission engine + KPI dashboards, improving financial transparency; collaborated with DevOps to stabilize infrastructure and enable consistent weekly releases ●​ Mentored junior devs through pair-programming sessions and bi-weekly tech tals; achieved 90%+ sprint completion rate Front-End Lead Developer • PowerTrust (Remote)​ May 2023 - Jul 2024 ●​ Reduced bundle size 87MB → 7.5MB (91%), cut load times by ~90% via image optimization, code splitting, pagination, and Redux integration ●​ Built a reusable component library and integrated the Metronic UI framework; reduced UI bugs by ~40% through standardized patterns and improved consistency ●​ Coordinated with backend and design teams, reducing integration errors by ~40%; improved developer velocity through standardized architecture and clear dev/production environment distinction Full-Stack Developer • Consultant (Remote)​ Jan 2020 - Apr 2023 ●​ All4U Morelia: Built a PHP/MySQL promo-code automation platform, increasing customer retention 5x (10 → 50+/month); expanded venue partnerships through scalable digital infrastructure ●​ Al Capriccio Restaurant: Developed modern SPA with parallax effects and featured menu; drove 35% sales increase within first month; provided 5+ years of continuous maintenance and updates ●​ Portfolio (15+ SMBs): Delivered modernized websites using React, Vue, Node.js, and PostgreSQL, averaging 35% engagement increase and 20% conversion improvement; automated manual workflows with long-term maintainable solutions Web Master • SEP (Secretaría de Educación Pública)​ Aug 2015 - Dec 2020 ●​ Digitized an entirely manual, paper-based case management system processing 1,000–2,500 cases/week for 200+ users; built a PHP/MySQL workflow with dynamic tracking, audit trails, and role-based access ●​ Reduced processing time by ~80%: Eliminated overnight shifts during peak seasons (3:00 AM → 5–6 PM); improved employee satisfaction and reduced burnout-related turnover ●​ Evolved system over 5 years (Webpack, Babel, Bootstrap, lazy loading, memoization, Redux-style state management) without frameworks; demonstrated long-term architectural vision and maintainability Projects ForoHub (Back-End) • Java, Spring Boot • GitHub Developed a RESTful API with full CRUD operations and a relational database for persistent data storage Skills Languages & Frameworks: JavaScript, TypeScript, PHP, React, Angular, Next.js, Node.js, Express, HTML, SCSS, CSS, Redux Backend & Databases: PostgreSQL, MySQL, MongoDB, REST APIs, SQL (vanilla) Tools & Platforms: Git, GitHub, GitLab, AWS (S3, Lambda, SQS), Docker, Netlify, Jira, Click-Up Testing & Debugging: Chai (JavaScript), Jest, Django TestCase/APITestCase Other Technical Skills: UI/UX Optimization, Performance Tuning, Legacy Code Refactoring, Clean Architecture Soft Skills: Leadership, Collaboration, Problem Solving, Time Management, Mentorship, Bilingual (EN/ES) Education and Certifications Oracle Next Education F2 T6 Back-End • Certified in 2024 Google Data Analytics Certificate • Certified in 2024 Completed Coursework for Bachelor’s in Computer Science • Sor Juana Inés de la Cruz
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