Ian Harper

C

Software Engineer

Crypto Finance AG

Feb 2023 - Current (2 years 7 months)

Full stack application development with a Spring Java backend and an Angular Typescript frontend on a solution to store and use private keys for 15+ cryptocurrencies in a HSM and interact with blockchain nodes Conducted technical research on the cryptocurrencies to maintain the platform and implement new features

P

Data engineer

Poloniex Cryptocurrency Exchange

Dec 2019 - Mar 2021 (1 year 4 months)

Built and maintained ETLs in Python, Scala and SQL using AWS Lambdas, Glue, S3 and Athena ●Migrated Poloniex's data lake from a Circle-Poloniex cross-region design to a Poloniex only single-region DL ●Designed and built an AWS cross-account, cross-region data pipeline to transfer data from Tokyo to Dublin ●Maintained a full stack ECS application for analytics with a Java backend and Vue.js frontend

C

Data analyst,

Circle Internet Financial Ltd.

Mar 2019 - Dec 2019 (10 months)

Queried databases using SQL and analysed resulting data in Python and/or Google Sheets to derive risk decisions to mitigate losses from fraud and ensure regulatory compliance. ●Built and maintained risk monitors & alerts in python while automating data tasks to improve team efficiency ●Implemented risk triggers using XPath logic and built a tagging framework for data collection and analysis ●Created dashboards in Google Sheets and Google DataStudio to present data to a non-technical audience

S

Software engineer

Susquehanna International Group

Sep 2018 - Dec 2018 (4 months)

Developed C# software in Microsoft Visual Studio to prune old directories, fix bugs and improve trading apps ●Built a mock matching engine for various order types and created bots to trade 3 different strategies on it

Student researcher

NASA Goddard Space Flight Center

Jun 2017 - Aug 2017 (3 months)

Developed Python software in a Linux environment to assess the viability of commercial LEDs for space-based applications, primarily for the FOXSI SMEX mission. ●Improved the efficiency of NASA's Hexipy software and used multiprocessing to reduce runtime by 70% ●Analysed solar data from the HEROES balloon flight in Jupyter Notebook

o

Summer intern

of Physics

Jun 2016 - Jul 2016 (2 months)

Spent 8 weeks working on a project called "Social Physics: A Model of Opinion Dynamics" ●Edited a web applet based in Processing.js code and ran simulations in Matlab using Fortran source code.

About

Detail

Timeline

Résumé