Hafiz Ismail
PHD Student at A*STAR - Agency for Science, Technology and Research
Singapore
Summary
🤩
Rockstar🎓
Top SchoolHafiz Ismail is a PhD student and software-savvy bioinformatician based in Singapore with 11 years of hands-on experience bridging computational engineering and biological research. He has contributed meaningful backend work to notable open-source GraphQL libraries in Go—refactoring parsers, improving error handling, and modernizing handlers for real-world integrations. His applied research internships span bioinformatics pipelines for pathogen genomics, computer vision for environmental data, and drug-discovery support, showing a consistent focus on practical, reproducible tooling. Comfortable writing unit tests and making legacy code testable, he pairs rigorous software engineering practices with domain knowledge in genomics and single-cell analysis. Hafiz’s curiosity about cross-disciplinary algorithms (e.g., repurposing signal-processing ideas for sequence alignment) informs both his research and engineering approach. He brings a rare combination of open-source contributor mindset, lab experience, and data-centric biological insight.
11 years of coding experience
1 year of employment as a software developer
Summer Exchange Programme, Summer Exchange Programme at Boston UniversityDiploma Biomedical Science, Diploma Biomedical Science at Ngee Ann PolytechnicGCE 'O' Levels Triple Science, GCE 'O' Levels Triple Science at Ahmad Ibrahim Secondary SchoolDoctor of Philosophy - PhD Biological Sciences, Doctor of Philosophy - PhD Biological Sciences at Nanyang Technological University Singapore
English, Malay, Chinese, Japanese
Github Skills (20)
unit-testing10
javascript10
parser10
http-handler10
api-design10
testing10
wpgraphql10
mochajs10
go10
gtfs10
wordpress-graphql10
graphql10
error-handling10
nodejs10
mongodb-database9
Programming languages (14)
Github contributions (5)
graphql-go/graphql
Sep 2015 - Jan 2017
An implementation of GraphQL for Go / Golang
Role in this project:
Back-end Developer
Back-end DeveloperContributions:4 releases, 319 commits, 30 PRs in 1 year 4 months
Contributions summary:Hafiz's commits focused on refactoring the `graphql-go/graphql` library to align with more idiomatic Go practices, particularly within the `graphqlerrors` package. This included re-implementing the package to handle errors in a consistent manner and adding new error types, such as `LocatedError` and `SynxtaxError`, based on `graphql-js`. Furthermore, the user implemented unit tests for the `parser` module based on tests from `graphql-js`, fixed several parsing bugs related to type definition and error messages.
golanggraphql-gosubscriptionsgraphql
graphql-go/handler
Oct 2015 - Apr 2016
Golang HTTP.Handler for graphl-go
Role in this project:Back-end Developer
Back-end DeveloperContributions:13 commits, 4 PRs, 11 pushes in 6 months
Contributions summary:Hafiz primarily worked on the `graphql-go/handler` repository, focusing on the implementation and maintenance of an HTTP handler for GraphQL queries. Their contributions involved refactoring code, updating the library to align with the latest API changes from `graphql-go`, and adapting the code to leverage new features. They also exposed request options, allowing for customization and easier integration with other systems.
golanggraphlhttp-handlergraphqlhandler
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