Nethermind
nethermind.io
Actively hiring
Smart Contracts & Security
Blockchain Infrastructure
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Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Latest round
Venture round
Sep 2026 · 1 mo ago
Team
51-200
employees, estimated range
Hiring now
1
open roles
The money's age
Fresh money
1 months since the last round · hiring slowed
Momentum
35/100
in the news, fresh money
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Sep 4
Raised a round Venture round
Apr 20
Raised a round Venture round
Dec 29, 2025
Raised a round Venture round
Apr 24, 2020
Raised a round Venture round
Sep 4, 2018
Raised a round Venture round
2017
Founded
Tractionpublic signals, read monthly
Web presence
top 0.03%
of 133.2M domains by links, Common Crawl
Hacker News stories
2
best: 46 points
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Venture round | Sep 2026 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Apr 2026 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Dec 2025 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Apr 2020 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Sep 2018 | — | — | find-and-update.company-information.service.gov.uk |
Registers and programsofficial lists and records that name the company
| Legal entity | Demerzel Solutions Limited | its site |
Founders and leadersfrom filings, registers and the company's site
Tomasz StanczakFounder
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Overview
Nethermind is a blockchain research and engineering company founded in 2017 that builds core infrastructure for Ethereum and the networks around it. It is best known for the Nethermind execution client, a high-performance dotnet implementation that runs a significant share of Ethereum mainnet nodes and is valued for keeping client diversity healthy. Headquartered in London, the company also maintains the Juno client and Voyager explorer for Starknet, runs a security practice doing audits and formal verification, and provides protocol research and engineering services to foundations and institutional clients.
News
Nethermind Drops LayerZero Verifier Role, Joins Chainlink
Another major LayerZero verifier just defected to Chainlink.
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Report
Report
UBS and Nethermind Test How Banks Can Use Ethereum Compliantly
UBS and Nethermind have successfully tested Ethereum compliance controls to support regulated institutional blockchain infrastructure.
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Report
Report
AI-powered audit uncovers 'high-severity' bug in Ethereum software
A crypto security firm used AI to identify a high-severity bug in an Ethereum client. While never exploited, that bug could have affected nearly 40% of Ethereum validators. Last week Anthropic rattled cybersecurity stocks with its own AI security tool.
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Report
Getting Ethereum Ready for GigaGas
Reproducible benchmarks reveal true Ethereum client throughput under real and extreme load, with Nethermind sustaining 2-10x higher performance. Getting Ethereum Ready for GigaGas - Technical insights from Nethermind on Ethereum, cryptography, and decentr
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Report
Blue Gold Announces Successful Smart Contract Audit by Nethermind, Strengthening Security and Transparency Ahead of Standard Gold Coin Launch on Base
--Blue Gold Limited, a next-generation gold development and technology company, today announced the successful completion of a comprehensive smart contract audit conducted by Nethermind, one of the world' s leading blockchain engineering and security firm
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Report
Nethermind brings transparency to the
At the Singapore FinTech Festival 2025, Nethermind's Delane Foo outlined why institutional tokenisation on public Web3 infrastructure is still constrained by opaque, protocol-layer processes-and why visibility from wallet to settlement is becoming essenti
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Report
Road to ZK Implementation: Nethermind Client's Path to Proofs
Nethermind Client is advancing toward full ZK readiness. Execution witness, stateless replay, and RISC-V64 compilation are complete. Next: Zisk, RISC0, SP1 integration. Road to ZK Implementation: Nethermind Client's Path to Proofs - Technical insights fro
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Tech stack
Technologies named in job postings at Nethermind over the last 12 months, by layer, with the share of postings for each.
Technologies in use
9
Postings analysed
1
Stack modernity
73/100
Cloud & platforms
Kubernetes
AWS
GitHub
Practices & domains
Agentic Workflows
FinOps
IAM
Platform Engineering
Smart Contracts
Other
Ethereum
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Products
Sedge
Sedge is an open-source tool that generates validator and node setups from a short configuration. It lowers the operational barrier to running Ethereum staking infrastructure correctly.
nethermind.io
Security
The security practice performs smart contract audits, formal verification and protocol reviews for decentralised finance and infrastructure projects. It combines manual review with automated proof tooling.
nethermind.io
Voyager
Voyager is the block explorer for Starknet built and operated by Nethermind. It lets developers and users inspect transactions, contracts and network state.
nethermind.io
Juno
Juno is Nethermind's Starknet full node client written in Go. It gives the Starknet network an independent implementation alongside the reference client.
nethermind.io
Client
The Nethermind client is a dotnet implementation of the Ethereum execution layer used by node operators, staking providers and exchanges. Its share of mainnet nodes is a meaningful contribution to client diversity.
nethermind.io
People
Tomasz Stanczak
Founder
Tomasz Stanczak founded Nethermind in 2017 and built its Ethereum execution client. He later took a leadership role at the Ethereum Foundation while remaining connected to the company he started.
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data
Growth
Hiring Momentum
58/100
Growing
Open positions
1
0 opened / 0 closed in 30 days
ATS activity
Every ~4 hours
Today
Hiring Dynamics
+100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Frontend
100% ▼
Activity Timeline
Added WhatsApp to stack
Sep 2026
Added Telegram to stack
Sep 2026
Added Outlook to stack
Sep 2026
Added IAM to stack
Sep 2026
Added Gmail to stack
Sep 2026
Added Discord to stack
Sep 2026
Added AI Agents to stack
Sep 2026
Added Agentic Workflows to stack
Sep 2026
Offices
Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
London
United Kingdom
HQ
50-200 est. staff
Jobs
Remote (Hungary) • Full-Time • 5+ years exp
Agentic Workflows
DevOps
AWS
Kubernetes
Platform Engineering
FinOps
GitHub
IAM
Cybersecurity
ISO 27001
SOC 2
Web3
Smart Contracts
Ethereum
Management
Gmail
Outlook
Discord
Telegram
WhatsApp
Apply
Financials
Latest round
Venture - Series Unknown
Funding rounds
5