Julian Popescu
Senior Software Engineer at aqora
Paris, Ile-de-France
Summary
🤩
Rockstar🎓
Top SchoolJulian Popescu is a Senior Software Engineer based in Paris with 12 years of hands-on experience building full-stack and systems software across startups and enterprise environments. He has led teams and projects from early-stage product incubation to production-grade services, with recent focus on secure confidential computing, Rust-based SGX services, and finance-facing decentralized applications. A proven open-source contributor, Julian has modified Solidity compilers for Solana/Polkadot (solang) and improved developer tooling in Foundry, blending compiler-level backend work with frontend UX contributions like Angular Google Maps. He co-founded a mental health startup and combines technical leadership with a founder’s mindset—comfortable shipping product, shaping CI/CD, and refining developer workflows. Known for bridging cryptography research and practical engineering, he continually expands his stack across Rust, Python, Dart, and modern web technologies.
12 years of coding experience
11 years of employment as a software developer
BS, Computer Science, BS, Computer Science at Georgia Institute of Technology
English, German, Spanish, French
Stackoverflow
712reputation
70kreached
31answers
1question
Github Skills (38)
foundry10
javascript10
parser10
solidity10
coffeescript10
compiler-development10
directives10
ethereum10
angularjs10
blockchain10
smart-contracts10
rust10
google-maps-api10
code-formatting10
directive10
Programming languages (19)
Github contributions (5)
foundry-rs/foundry
May 2022 - Aug 2022
Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.
Role in this project:
Backend Developer & Automation Engineer
Backend Developer & Automation EngineerContributions:36 reviews, 13 commits, 30 PRs in 2 months
Contributions summary:Julian's primary focus was on enhancing the project's code formatting capabilities, specifically by integrating the `solang-parser` and adding comment support. They also introduced configuration options for line length, function modifiers, and quote styles. Furthermore, they contributed to the project's build process by adding a `cast rpc` method for raw JSON-RPC requests, modifying the CI/CD process and the project configuration. The user demonstrated expertise in working with Rust, specifically in the context of Ethereum development.
foundryethereumsolcsethevm
hyperledger-solang/solang
May 2022 - Aug 2022
Solidity Compiler for Solana, Polkadot and Stellar
Role in this project:Backend Developer
Backend DeveloperContributions:1 review, 5 commits, 6 PRs in 3 months
Contributions summary:Julian focused on compiler development, modifying the Solidity compiler for Solana, Polkadot, and Stellar. Their work included refactoring and modifying the parser to utilize `IdentifierPath` and other related changes. The contributions span across multiple files and show modifications to the semantic analysis and parser, including implementing new functionality and fixing existing bugs.
bpfsubstratesolanarustblockchain
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