herkafitra

Senior Frontend Engineer

Frontend engineer with 7+ years building scalable web products across adtech, insurtech, and HR-tech. Deep expertise in React ecosystems, TypeScript, and component architecture. Since 2022, expanded into fullstack development on independent projects. Fluent in AI-assisted workflows (Cursor, Copilot, Claude) applying them to ship higher quality features faster. Focused on owning outcomes, not just completing tickets.





Experience: 7 years

Yearly salary: $62,000

Hourly rate: $25

Nationality: 🇮🇩 Indonesia

Residency: 🇮🇩 Indonesia


Experience

Frontend Developer
MicroAd
2022 - 2023
Owned the full frontend rebuild of the Ads Performance dashboard, migrating from a fragile legacy codebase to a modern React + React Query + Ant Design stack, cutting data transfer latency from 6s+ to under 1s and resolving the top recurring client complaints within a single quarter. Drove a 90% reduction in partner dashboard complaints by architecting a flexible dynamic chart system, eliminating the need for the Ads Performance team to manually edit campaign data in spreadsheets. Accelerated client delivery cycles by standardizing early stage prototyping to cover 80% of requirements upfront reducing mid-sprint scope changes and rework. Championed quarterly retrospectives for the engineering team, improving sprint velocity and reducing repeated bugs through structured feedback loops. Resolved critical SEO performance issues using Next.js, overhauled a client site to achieve 100% mobile responsiveness, resulting in 70% more organic leads and a 20% drop in bounce rate.
Frontend Engineer
Zalents
2021 - 2021
Led the architectural migration of the main dashboard from a monolithic MVC structure to a React SPA dramatically reducing developer onboarding time and decoupling frontend from complex backend rendering logic. Collaborated with UX designers to implement an Ant Design system, delivering a more modern and consistent interface that improved new user activation and contributed to new subscription sales. Consolidated fragmented client-specific features into unified, configurable components reducing codebase complexity and maintenance overhead. Integrated third-party platforms (Udemy, LinkedIn) into the internal system, extending the product's value proposition for enterprise clients.
Frontend Engineer
Qoala
2020 - 2020
Established a component library aligned with Qoala's design system using NuxtJs, enabling faster and more consistent feature delivery across product teams. Built the internal marketing platform from the ground up allowing the marketing team to publish insurance promos in real-time without engineering dependencies. Shipped a dynamic insurance claims approval flow on the partner dashboard, reducing manual back and forth and speeding up processing time.
Frontend Engineer
Thinktive
2019 - 2020
Built a high-performance marketing site using GatsbyJs with optimized data transitions and fast load times. Designed a new UI using AdobeXD that translated directly into a client's product roadmap bridging design and strategic planning.

Skills

digital-marketing
marketing-analyst
seo
front-end
english
indonesian