Ion Lupascu
VP - Equities Low Level Developer at Barclays Investment Bank
United Kingdom
Summary
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Rockstar🎓
Top SchoolIon Lupascu is a seasoned software engineer with 14 years of experience building low-level, high-performance systems for finance and enterprise applications, currently serving as VP - Equities Low Level Developer at Barclays. He blends deep domain knowledge in ERP and Oracle E-Business Suite with practical expertise in C/C++, Python, Node.js and data platforms (Oracle, SQLite, MongoDB), applying mathematical modelling (MILP) to pricing and hedging workflows. Ion has a track record of translating complex functional requirements into robust technical solutions—from implementing RFQ-to-order gateways and market data price calculations to contributing native printing support in open-source Node.js tooling. Recognised by Oracle and 1C, he is equally comfortable optimizing back-end performance and designing integration layers across large-scale systems. Based in the UK, he pairs analytical rigor with hands-on coding and a penchant for reflecting complexity through simplicity, as reflected in his GitHub contributions.
14 years of coding experience
15 years of employment as a software developer
Professional Certificate Oracle 11g Advance PL/SQL, Professional Certificate Oracle 11g Advance PL/SQL at Oracle University, London, UKMScIT Computer Science, MScIT Computer Science at Universitatea de Stat din MoldovaProfessional Training Oracle 10g SQL Tunning for Developers & DBAs, Professional Training Oracle 10g SQL Tunning for Developers & DBAs at Uniora Group, Chisinau, MoldovaUSM
English, Romanian, Russian, French
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (14)
printing10
print10
nodejs10
c-language10
cprogramming-language10
pthreads-win329
win32com9
pywin329
win32gui9
win2d9
win649
cups8
ide6
linux6
Programming languages (8)
Github contributions (5)
tojocky/node-printer
Jun 2012 - Sep 2021
Native node.js printer
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 release, 167 commits, 38 PRs in 9 years 3 months
Contributions summary:Ion primarily contributed to the core functionality of the `node-printer` repository, which involves sending raw data to printers. Their work included implementing the `printDirect` function, which allows direct communication with the printer by sending raw data. The user also added support for POSIX systems by adding getPrinter, getJob, setJob, and getJobCommands methods. Furthermore, they corrected errors and added supported format for different OS.
zplnode-jsescposjavascriptnode-native
tojocky/node-pdfium
Mar 2015 - Jan 2018
Contributions:11 commits, 4 PRs, 7 pushes in 2 years 10 months
pdfjavascriptpdfiumnwjsnodejs
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