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John Lawrence Hermo
From Philippines 12:49 AM (GMT+08:00)
$12/hr or $25,000/yr

Active over a week ago


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Full-stack Engineer

Full-Stack Engineer
Available for hire
Years of experience
2+ years
Experience level
Mid-level
Available for
Full-time, Part-time, Contract, Freelance
Available from
07 Jul 2026
Download Resume / CV

Full-stack developer with a strong focus on frontend development, specializing in building scalable SaaS applications and AI-powered tools. Experienced in Next.js, React, and modern backend technologies, with hands-on experience integrating LLM APIs and automating workflows. Proven ability to deliver high-impact features in both startup and team environments.

Languages

Employment History

Fullstack Engineer at Poliris 2025 - 2026
- Contributed to the development of an AI visibility SaaS platform (in active development), enabling brands to analyze their presence across LLM-driven search and GEO-based queries. - Led frontend development using Next.js, TypeScript, Zustand, and ShadCN, building responsive and reusable components in close collaboration with UI/UX designers. - Developed an internal automation tool that replaced manual GEO visibility testing workflows, significantly reducing repetitive tasks and improving team efficiency. - Integrated Mapbox and GeoApify APIs to support location-based analysis and visualization for client data. - Implemented integrations with multiple LLM providers (OpenAI, Claude, Gemini, Mistral, Grok) to power AI-driven insights and flexible model usage. - Collaborated within a growing team of developers to align frontend and backend systems, contributing to scalable architecture and consistent feature delivery.
Fullstack Engineer at JLabs 2024 - 2025
- Developed and enhanced full-stack web applications using React, Laravel, Node.js, and Express, improving user engagement by 35% through UI/UX and performance optimizations. - Implemented key components of Stripe and Moneris payment integrations, contributing to automated billing workflows and reducing manual invoicing errors by 40%. - Designed and implemented RESTful APIs and optimized database queries, improving system performance and ensuring scalability under high traffic conditions. - Collaborated with cross-functional teams (design, QA, product) in Agile sprints, contributing to a 15% reduction in feature delivery time. - Identified and resolved critical application issues, reducing system downtime by 30% and improving overall platform stability. - Participated in code reviews and architecture discussions, contributing to maintainable codebases and continuous improvement of development practices.
Web Developer at Nordic Quality 2022 - 2023
- Crafted custom Shopify themes aligned with brand specifications, driving a 20% increase in online sales and boosting site conversion rates by 15%. - Developed and deployed responsive React applications, improving page load speed by 30% and increasing user engagement by 25%, contributing to higher customer retention. - Optimized website SEO through technical enhancements, structured contents, and performance tuning, achieving top-ranking positions for key keywords and increasing organic traffic by 40%. - Integrated third-party apps and APIs into existing platforms, automating workflows and reducing manual processes by 35%, while ensuring accurate data synchronization.

Education

Fullstack Web Development at Uplift Code Camp 2023 - 2024