Frontend software engineer with 4+ years of experience building performant web applications. Passionate about learning new technologies, creating maintainable high-quality interfaces, and improving engineering practices through reusable UI components, performance optimization, and cross-functional collaboration. Experienced in scalable UI architecture, modern frontend tooling, component libraries, performance optimization, and working with backend teams to deliver production-grade software.

Daiva Haryanto

Frontend software engineer with 4+ years of experience building performant web applications. Passionate about learning new technologies, creating maintainable high-quality interfaces, and improving engineering practices through reusable UI components, performance optimization, and cross-functional collaboration. Experienced in scalable UI architecture, modern frontend tooling, component libraries, performance optimization, and working with backend teams to deliver production-grade software.

Available to hire

Frontend software engineer with 4+ years of experience building performant web applications. Passionate about learning new technologies, creating maintainable high-quality interfaces, and improving engineering practices through reusable UI components, performance optimization, and cross-functional collaboration.
Experienced in scalable UI architecture, modern frontend tooling, component libraries, performance optimization, and working with backend teams to deliver production-grade software.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Language

English
Advanced

Work Experience

Software Engineer 2 at Formula Trix Indonesia
January 1, 2025 - Present
Developed new features for the FAST liquid handling web interface using React, Redux, and SCSS, including a humidifier feature adopted by customers and resulting in 10+ purchase orders. Contributed reusable UI components to the internal UI library to improve consistency and reduce effort for future features. Led the UI sub-team for the FAST project by managing feature development timelines and ensuring code maintainability through merge request reviews.
Software Engineer 1 at Formula Trix Indonesia
January 1, 2022 - December 31, 2024
Built 26+ production features for the FLO i8 web interface using React, Redux, SCSS modules, and C# backend integration, directly supporting the sale of 5+ instruments. Fixed 510 issues across the FLO i8 project, stabilizing the interface and reducing customer-reported defects. Migrated the build system from Webpack to Vite, reducing build times by ~1 minute per build. Led migration from legacy custom UI components to the internal UI library by standardizing design patterns and reducing duplicated components. Contributed to rewriting parts of the FLO i8 control panel using React, Vite, and SCSS modules. Implemented ESLint and Prettier for consistent code style. Collaborated with backend teams in Pakistan to integrate APIs and moved endpoints from SignalR to REST API to improve scalability. Created onboarding conventions and mentored junior engineers through code reviews. Led a 3-person UI sub-team for one year, coordinating releases and technical decisions before moving to the FAST pro
Junior Software Engineer at Formula Trix Indonesia
October 1, 2021 - December 31, 2021
Developed a heartbeat monitoring dashboard using Vue.js and Vuetify to track uptime of internal company websites. Fixed critical UI defects in the FLO i8 application using React, Redux, and SCSS, improving stability and reducing production issues reported by customers.
Front-End Web Developer (Intern) at Kantor Sistem Informasi, Universitas Atma Jaya Yogyakarta
December 1, 2020 - June 30, 2021
Built UI prototypes for the new university website using JavaScript, CSS, and Bootstrap. Developed internal system interfaces to support academic and administrative operations.

Education

Bachelor of Informatics Engineering at Universitas Atma Jaya Yogyakarta
January 1, 2017 - December 31, 2021

Qualifications

IELTS Academic (Overall Band 7.5)
January 11, 2030 - August 22, 2026
IDP Education Ltd
December 1, 2025 - August 22, 2026

Industry Experience

Software & Internet, Education, Healthcare, Life Sciences