Ronald Langeveld
Founder at Stealth
Seongnam-si, South Korea
Summary
🤩
Rockstar🎓
Top SchoolRonald Langeveld is a full-stack software engineer and founder with nine years of experience building web platforms and SaaS products across South Africa and South Korea. He has led development of multi-tenant cloud maintenance systems, interactive learning platforms, and ecommerce recovery tools using Node.js, React, Django/Python, PostgreSQL and Docker. As a former Product Engineer at Ghost he contributed to the popular open-source publishing platform—improving API excerpt handling and helping rewrite core admin and editor components—demonstrating strength in both backend serializers and modern front-end frameworks. He blends hands-on implementation with product sensibility, having moved projects from MVP to production while integrating third-party systems like Stripe, SAP, Sage and Power BI. Based in Seongnam-si, Ronald pairs entrepreneurial leadership with deep full-stack craftsmanship and a knack for SEO‑sensitive and user-focused web experiences. An unconventional detail: he combines formal international studies and Korean language training with a developer background, enabling cross-cultural product work in Asia and Africa.
9 years of coding experience
9 years of employment as a software developer
International Studies and Business Administration, International Studies and Business Administration at Hankuk University of Foreign StudiesScottburgh Primary SchoolAfrikaans, English, Maths, Business Studies, Accounting, Art, Geography, Science, History, Afrikaans, English, Maths, Business Studies, Accounting, Art, Geography, Science, History at Scottburgh High SchoolFull Stack Web Development Certification, Computer Software Engineering, Full Stack Web Development Certification, Computer Software Engineering at freeCodeCampHigh School Diploma, Afrikaans, English, Maths, Business Studies, Engineering Graphics and Design, Computers App Tech, High School Diploma, Afrikaans, English, Maths, Business Studies, Engineering Graphics and Design, Computers App Tech at Kuswag
English, Afrikaans, Dutch, Korean
Stackoverflow
714reputation
87kreached
8answers
47questions
Github Skills (16)
javascript10
publish10
cms10
api10
apidoc10
testing9
nodejs9
handlebars8
blogpost7
microblogging7
callback6
autocomplete6
authentication6
asp-net-mvc6
jquery6
Programming languages (7)
Github contributions (5)
TryGhost/Ghost
Jul 2022 - Jan 2023
Independent technology for modern publishing, memberships, subscriptions and newsletters.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:50 reviews, 56 commits, 651 PRs in 6 months
Contributions summary:Ronald primarily focused on fixing excerpt-related issues and implementing improvements within the Ghost publishing platform's API. They modified code related to serializers, models, and endpoints to ensure accurate and consistent excerpt generation. The user also contributed by integrating and testing new API fields, and added various tests. The user also made improvements to the member counter template helpers.
cmsmembershipspublishingnewslettersjavascript
ronaldlangeveld/Koenig
Aug 2022 - Mar 2025
Components of Ghost's Editor
Contributions:56 pushes, 7 branches in 2 years 6 months
ghost
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