Nils Frantzell - Software Engineer at Microsoft

Nils Frantzell

Software Engineer at Microsoft

Seattle, Washington, United States

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Summary

🤩

Rockstar

Nils Frantzell is a software engineer based in Seattle with eight years of experience and a current role at Microsoft. He brings strong backend expertise, demonstrated by contributions to the ethereum/aleth C++ client where he enhanced JSON-RPC APIs, added gasUsed to transaction receipts, and implemented eth_chainId support. Comfortable working in performance-sensitive, protocol-level code, he balances pragmatic bug fixes and style improvements with feature development. At Microsoft he likely applies this low-level systems experience to large-scale, production services. Colleagues would describe him as a detail-oriented engineer who surfaces non-obvious protocol data for easier developer consumption.

8 years of coding experience

English, Swedish, French

Github Skills (6)

json-rpc10

c-language10

cprogramming-language10

ethereum10

blockchain9

web3js9

Programming languages (5)

C#C++CJavaScriptPython

Github contributions (5)

ethereum/aleth

Apr 2018 - Dec 2019

Aleth – Ethereum C++ client, tools and libraries

Role in this project:

Back-end Developer

Contributions:386 commits, 152 PRs, 646 pushes in 1 year 8 months

Contributions summary:Nils primarily contributed to the backend of the Aleth Ethereum client, focusing on enhancing the transaction receipt and JSON-RPC API functionalities. They added the "gasUsed" data to the LocalisedTransactionReceipt class, enabling access to this crucial gas usage information via web3 APIs. Furthermore, they added support for the eth_chainId JSON-RPC method and addressed code style inconsistencies and bug fixes within various C++ source files.

cppethereumethereum-clientevm

halfalicious/cpp-ethereum

Apr 2018 - Sep 2018

Ethereum C++ client

Contributions:29 pushes, 7 branches in 4 months

ethereumcpp

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