Arthur Buldauskas is a Senior Software Engineer based in Boston with 11 years of experience building front-end platforms and product UIs at scale, most recently at Paxos after a long tenure leading frontend architecture and storefront platform efforts at Wayfair. He blends hands-on engineering and technical leadership across full-stack and frontend systems, shipping features, improving developer platforms, and mentoring teams through multiple promotions to Staff-level roles. Arthur also contributes to low-level tooling in the open-source space—helping develop the Walt WebAssembly compiler with work on function calls, type systems, and parser/generator fixes—showing a rare comfort with both UI polish and compiler internals. Colleagues would describe him as a pragmatic architect who navigates complex domains and iterates quickly to deliver reliable, maintainable frontend experiences.
:zap: Walt is a JavaScript-like syntax for WebAssembly text format :zap:
Role in this project:
Back-end Developer
Contributions:5 releases, 467 commits, 146 PRs in 1 year 8 months
Contributions summary:Arthur contributed to the development of the Walt compiler, specifically focusing on implementing features related to function calls, type systems, and array subscripting. Their work involved writing new code, modifying existing functionalities, and fixing bugs in both the parser and generator components of the project. The user's contributions included adding support for default function arguments and improving the overall structure and validation of the compiler.
Contributions:20 commits, 15 pushes, 1 branch in 1 month
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Arthur Buldauskas - Senior Software Engineer at Paxos