Jun Hao
@junhao
Full Stack Engineer specializing in React, Next.js, TypeScript, and pragmatic product delivery.
MalaysiaWhat I'm looking for
I am a Full Stack Engineer with eight years building and shipping web and mobile applications across startups, agencies, and regulated environments. I specialize in React, Next.js, TypeScript, Node.js, and PostgreSQL, and I own features end-to-end from vague requirements through production deployment.
I have delivered multiple MVPs and internal platforms that cut operational overhead by up to 45%, improved data accuracy by 30%+, and sped feature delivery cycles by 40% through improved architecture and tooling. I lead pragmatic engineering in ambiguous environments, shipping fast 80% solutions and iterating from real user feedback.
I have hands-on experience integrating AI and LLM-powered features into products, optimizing performance and reliability on AWS, and establishing CI, automated testing, and deployment workflows that reduce regressions and rollbacks. I collaborate directly with founders and cross-functional stakeholders to translate business needs into reliable software.
Experience
Work history, roles, and key accomplishments
Full Stack Engineer
Huntress
Sep 2023 - Nov 2025 (2 years 2 months)
Owned multiple cross-functional product features delivering production releases used by 4,000+ daily users and reduced manual internal workflows by 38%. Redesigned query logic and Prisma validations to cut data errors by 31% and support tickets by 27%, and integrated AI workflows that reduced analyst review time by 42%.
Software Engineer
Lizard Global
Jun 2020 - Aug 2023 (3 years 2 months)
Led full-stack development of B2B SaaS platforms, delivering 6 major features that enabled clients to onboard paying customers two months earlier and reduced backend runtime errors by 35% via type-safe APIs and data models.
Software Engineer
Agmo Studio
Dec 2018 - May 2020 (1 year 5 months)
Built and maintained web and mobile applications for enterprise and government clients, improving dashboard load times by up to 45% through query restructuring and delivering 100% on-time across five parallel projects.
Full Stack Developer
Freelancer
Dec 2017 - Nov 2018 (11 months)
Delivered end-to-end web applications and MVPs for early-stage founders, helping 4 clients launch within 6–8 weeks and reducing clients' daily admin time by up to 3 hours with practical dashboards and reporting solutions.
Education
Degrees, certifications, and relevant coursework
UMUniversity of Malaya
Bachelor of Science, Computer Science
2013 - 2018
Completed a Bachelor’s Degree in Computer Science covering core topics in software development and systems from 2013 to 2018.
Software Engineer Certificate
Certificate, Software Engineering
Completed a professional Software Engineer certificate focused on practical engineering skills.
Frontend Developer Certificate
Certificate, Frontend Development
Completed a Frontend Developer certificate focused on modern frontend frameworks and tooling.
Tech stack
Software and tools used professionally
Availability
Location
MalaysiaAuthorized to work in
Website
junhao.top.dev@gmail.comJob categories
Skills
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