Wisnu Nurcahyo
Backend Developer at CIMB Niaga
Tangerang, Banten, Indonesia
Summary
👤
Senior🎓
Top SchoolWisnu Nurcahyo is a backend developer with 11 years of experience building scalable, production-grade systems across fintech, travel tech, and e-commerce. He has a strong track record at Traveloka delivering high-impact infrastructure and data solutions—designing Athena rate limiters and throttlers, accelerating Spark ETLs by 82%, and automating incident generation to streamline month-end finance operations. Equally comfortable in Java, PL/pgSQL, Scala, and Python, Wisnu pairs deep algorithmic problem-solving from competitive programming with pragmatic engineering practices like caching, checkpoint schedulers, and Terraform-driven infrastructure. He contributes to open source—improving a front-end language parser and localizing GitHub’s training-kit into Bahasa Indonesia—demonstrating attention to both tooling and developer experience. Based in Tangerang, Indonesia, he mentors engineers and has rebuilt his skill set through deliberate learning paths, blending curiosity about computer science and math with measurable operational outcomes.
11 years of coding experience
7 years of employment as a software developer
Bachelor’s Degree, Bachelor’s Degree at Telkom UniversitySDN CipariSMPN 1 CILEUNGSIHigh School, High School at SMAN 1 CILEUNGSI
English, Japanese, Indonesian, javanese
Stackoverflow
994reputation
40kreached
30answers
1question
Github Skills (22)
parser10
syntax10
localization10
compiler-compiler10
parsing10
parse10
compiler10
html9
file-handling8
git8
unit-testing7
courses-resource7
trainings7
datasheet7
haskell6
Programming languages (21)
Github contributions (5)
mint-lang/mint
Sep 2018 - May 2021
🍃 A refreshing programming language for the front-end web.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:1 review, 7 commits, 5 PRs in 2 years 9 months
Contributions summary:Wisnu primarily focused on improving the Mint programming language's parser, specifically enhancing block and inline comment parsing. They implemented and refined the parsing logic for both comment types and integrated them into the relevant components and top-level parsing structures. Furthermore, they refactored code, merging changes and adding inline comments within the codebase to enhance functionality. The user's contributions involved creating and modifying files within the source and specification directories, as well as formatting the new comment types.
compile-to-jsmint-langweb-front-endcompilerleaves
github/training-kit
Aug 2017 - Dec 2017
Open source courseware for Git and GitHub
Role in this project:Localization / Internationalization Specialist
Localization / Internationalization SpecialistContributions:7 commits, 3 PRs, 20 comments in 3 months
Contributions summary:Wisnu's primary contribution involved adding and fixing translations for the Bahasa Indonesia language within the GitHub training kit repository. This included modifying HTML files to incorporate language-specific links and content, particularly within the cheat sheets section. The work focused on ensuring accurate language representation and updating existing translations. The user also integrated the translated content into the repository's existing structure.
fieldservicestraining-kitcoursewarecheatsheettraining
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