Luthfan Anshar Lubis

Work Experience

Software Engineer, FLYWHEEL Inc.

Apr 2024 – present

Lead and contribute to technical projects delivering data solutions for clients. Tasks include:

Lead projects end-to-end, designing system architecture and coordinating cross-functional delivery.
Maintain stable operation of existing production systems.
Build data pipelines (Dagster), transformations (dbt, Athena, Snowflake), and search functionality (Elasticsearch).
Build backend microservices (Micronaut) and configure cloud infrastructure (Kubernetes, Terraform).
Provide technical mentorship to team members and newer employees.

Doctor of Science (All But Dissertation)
Mathematical and Computing Science, Tokyo Institute of Technology
2021 – 2024
Master of Science
Mathematical and Computing Science, Tokyo Institute of Technology
2019 – 2021
Bachelor of Science
Information Science, Tokyo Institute of Technology
2015 – 2019

Object-Oriented Programming Language with Versions
Tokyo Institute of Technology
2021 – 2024
This research investigates the design and implementation of an object-oriented programming language with versioning support, introducing version as a type's resource.
GPGPU Programming Framework Research
Research Assistant, Tokyo Institute of Technology
May 2021 – Mar 2023
Assisting implementation of a high-speed GPGPU framework for Python.
Malicious Access Detection Through Log Data Research
Research Assistant, Tokyo Institute of Technology
Apr 2018 – Mar 2019
Assisting research on extracting information from the university’s internal security network logs using statistical tools. Work focused on data manipulation using Python.

Y. Tanabe, L. A. Lubis, T. Aotani, H. Masuhara. Compilation Semantics for a Programming Language with Versions. The 21st Asian Symposium on Programming Languages and System. Nov 2023. ↗
L. A. Lubis, Y. Tanabe, T. Aotani, H. Masuhara. BatakJava: An Object-oriented Programming Language With Versions. Software Language Engineering (SLE). December 2022. ↗
Y. Tanabe, L. A. Lubis, T. Aotani, H. Masuhara. A Step Toward Programming with Versions in Real-World Functional Languages. 14th International Workshop on Context-oriented Programming and Advanced Modularity (COP). June 2022. ↗
Y. Tanabe, L. A. Lubis, T. Aotani, H. Masuhara. A Functional Programming Language with Versions. The Art, Science, and Engineering of Programming, vol. 6, no. 1, 2022. ↗

F. A. Alfansuri, H. Masuhara, L. Lubis, Y. Cong. Supporting Multiple Inheritance in an Object-Oriented DSL for GPGPU by Class Hierarchy Transformation. 39th JSSST Annual Conference. Aug-Sep 2022.

[Poster] L. A. Lubis. Polymorphism for Programming With Versions. Student Research Competition, European Conference on Object-Oriented Programming 2023. Jul 2023.
[Poster] L. A. Lubis. Toward Parameterized Versions in Object-oriented Version Programming. Programming and Programming Language Workshop 2023. Nagoya. Mar 2023.
[Talk] L. A. Lubis. Implementation Concept of Chatbot as a Programming Learning Aid. 3rd Annual Scientific Symposium of Indonesian Collegians (ASSIGN) in Japan. Sep 2021.
[Talk] L. A. Lubis. Object-oriented Programming with Versions. 13th International Workshop on Context-oriented Programming and Advanced Modularity (COP). Jul 2021.
[Poster] L. A. Lubis, Y. Tanabe, T. Aotani, H. Masuhara. BatakJava: A Java Extension with Versions. 37th JSSST Annual Conference. Sep 2020.

Tokyo Tech Advanced Human Resource Development Fellowship
Apr 2021 – Mar 2024
Tsuji International Scholarship Foundation
Apr 2020 – Mar 2021
East Asian Circle of Applied Technology Scholarship
Apr 2019 – Mar 2020
Japanese Government MEXT Scholarship
Apr 2014 – Mar 2019

LFortran Compiler Implementor
Dec 2022 – Mar 2024
Planned and implemented a generic type system for Fortran. ↗
LPython Compiler Contributor
Jun – Sep 2022
Planned and implemented a generic type system for Python during Google Summer of Code for Python Software Foundation. ↗
Domain-Specific Language Design Intern
nau data lab
Aug – Sep 2019
Implemented a domain-specific language (DSL) to describe musical notes and calculate Angklung musical instrument assignments. ↗

Teaching Assistant
Tokyo Institute of Technology
- Exercises in Fundamentals of Data Science
  Oct 2023 – Nov 2023
- Computer Science I-II
  Sep 2018 – Feb 2020
  Assisting introductory programming classes for first-year students from all departments.
- Information Literacy I-II
  Apr – Aug 2019
  Assisting introductory classes for first-year students on the topic of computer.
Indonesian Language Teacher
Gowell Japan
2017 – 2023
Part-time Indonesian language teacher for mostly Japanese students.

Reviewer
- ACM SIGPLAN SPLASH Onward! 2020 Essay Track
- The Art, Science, and Engineering of Programming Volume 10 Artifact Evaluation
- The Art, Science, and Engineering of Programming Volume 11 Artifact Evaluation
Student Volunteer
- ACM SIGPLAN Conference on Systems, Programming, Languages, and Applications; Software for Humanity (SPLASH 2020, 2021)
- International Conference on Functional Programming (ICFP 2021)