Nikos Kontakis
DevOps Engineer at EUROPEAN DYNAMICS
Attica, Greece
Summary
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RockstarNikos Kontakis is a DevOps Engineer based in Attica, Greece with 10 years of hands-on software engineering experience and a pragmatic "I build stuff" ethos. He works at European Dynamics and brings a mix of backend, frontend, and infrastructure skills—contributing to notable Polkadot ecosystem projects like polkadot-js and the Polkadot staking dashboard. His contributions span improving light-client support, refining Substrate connect integrations, and refactoring core SDK components, showing comfort across blockchain node internals and user-facing UI. Nikos has a track record of fixing build issues, enhancing UX, and adding autoconnect and subscription improvements that tighten production reliability. Colleagues know him for pragmatic problem solving and quietly improving developer workflows across the stack.
10 years of coding experience
Github Skills (21)
json-rpc10
substrate10
javascript10
back-end-development10
typescript10
polkadot-js10
api10
web3js10
blockchain10
typescript-types10
executor10
typescripts10
rust10
polkadot10
react10
Programming languages (10)
Github contributions (5)
paritytech/polkadot-sdk
Aug 2023 - Jul 2024
The Parity Polkadot Blockchain SDK
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 reviews, 6 PRs, 24 pushes in 10 months
Contributions summary:Nikos's commits primarily involve refactoring and renaming code related to the `node-runtime` within the Polkadot SDK. They are making changes to the core components of the blockchain node, including modifications to the service and executor files. The user also focuses on updating dependencies and aligning code with new naming conventions. These changes suggest a focus on improving the codebase and ensuring compatibility.
blockchaincumuluspolkadotsubstrate
polkadot-cloud/polkadot-staking-dashboard
Jul 2022 - Dec 2022
Fully Featured Light Client Powered Dashboard for Staking and Nomination Pools on Polkadot.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:9 reviews, 54 commits, 33 PRs in 5 months
Contributions summary:Nikos primarily focused on enhancing the Polkadot staking dashboard by adding support for substrate connect and light clients. This involved modifications to the network bar, API context, and network configuration files. Furthermore, the user addressed UI and functionality aspects, fixing bugs related to network switching and display within the bottom bar.
substratestakingblockchaindashboardpolkadot
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