Andreea Eftene
Full Stack Engineer at Freelance
Berlin, Germany
Summary
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Rockstar🎓
Top SchoolAndreea Eftene is a Full Stack Engineer based in Berlin with six years of professional experience building user-facing web applications and developer tooling. She has led small teams and shipped production-ready Web3 developer UX at Parity Technologies, including a wasm smart contract deployment UI with roughly 1k monthly users and a pure-proxy multisig app. Her background spans modern frontend stacks (React/Redux, Storybook) and backend services (Node.js, GraphQL, AWS), with practical experience modernizing legacy codebases and building distributed PDF and e-commerce systems. As a creative coder exploring Web3 and AI, she blends product-minded engineering with hands-on implementation of smart contracts and chain integrations. Notably, she has balanced technical leadership and hiring collaboration, contributing to roadmaps and candidate assessment while staying active as a freelance engineer.
6 years of coding experience
12 years of employment as a software developer
Bachelor of Science (B.S.) Computer Science, Bachelor of Science (B.S.) Computer Science at Universitatea „Spiru Haret” din București
English, French, Spanish, Romanian
Stackoverflow
111reputation
1kreached
1answer
0questions
Github Skills (71)
web-application10
metadata10
smart-contracts10
polkadot10
wallet10
pallet10
nearprotocol10
api10
webapp10
webassembly10
rust10
substrate10
deploying10
lunrjs10
parity10
Programming languages (3)
Github contributions (5)
use-ink/contracts-ui
Jun 2021 - Jan 2023
Web application for deploying wasm smart contracts on Substrate chains that include the FRAME contracts pallet
Contributions:126 reviews, 378 commits, 212 PRs in 1 year 7 months
web-applicationpolkadotchainspallet-contractsblockchain
statictype/api
Dec 2021 - Nov 2022
Promise and RxJS APIs around Polkadot and Substrate based chains via RPC calls. It is dynamically generated based on what the Substrate runtime provides in terms of metadata. Full documentation & examples available
Contributions:10 pushes, 2 branches in 11 months
substraterpcjsonrpcrxjscalls
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