HQ: Menlo Park, United States · Crypto Wallets · Cryptocurrencies · Blockchain Infrastructure · Est. 2014 · Trust A · Hiring 43
Blockstream is a leading blockchain technology company founded in 2014 by cryptographers and Bitcoin developers, including CEO Adam Back. The company focuses on developing infrastructure, tools, and sidechain technology - such as the Liquid Network and Lightning Network implementations - to expand Bitcoin's scalability, privacy, and functionality. Its offerings range from enterprise-grade financial solutions and data feeds to consumer products like the Blockstream Jade hardware wallet and non-custodial mobile app.
No named decision-maker yet.
Careers mailbox is known
≈ $124k – $264k per year (Estimated) · Staff+ · 10+ years exp · Remote (location not specified) · Full-Time · Architect
Rust
Go
C++
Python
DevOps
GCP
CI/CD
AWS
Cybersecurity
Threat Modeling
OWASP
ISO 27001
Web3
Bitcoin
+3
HQ: London, United Kingdom · IoT Connectivity · MVNO · 501-1000 employees · Est. 2006 · Trust A · Hiring 34, 5 new
1GLOBAL is a mobile connectivity company headquartered in London, United Kingdom, and founded in 2006 as Truphone. The company operates its own mobile core network and issues eSIM profiles that let enterprises, banks, and device makers provision cellular service across many countries from a single contract. It serves regulated sectors including financial trading, where it supplies compliant call recording, and rebranded to its current name in 2023.
No named decision-maker yet.
Careers mailbox is known
≈ $77k – $146k per year (Estimated) · Senior · In office (Berlin, Germany, Warsaw, Poland, Madrid, Spain, Lisbon, Portugal, Tel Aviv, Israel) · Relocation · Full-Time · Senior
Bash
Python
DevOps
IAM
Terraform
Git
Linux
Kubernetes
CI/CD
AWS
Cybersecurity
Wireshark
Tcpdump
Suricata
Least Privilege
ISO 27001
+6
Herzliya · Seoul · Bassano del Grappa · Cybersecurity · 51-200 employees · Est. 2020 · Likely startup · Trust B · Hiring 7
Defining the forefrontof innovation. Dataflow Security — a results-driven research firm, consistently delivering singular and bespoke applied research results.
No named decision-maker yet.
Careers mailbox is known
Remote (location not specified)
HQ: London, United Kingdom · Cloud Platforms (IaaS & PaaS) · Virtualization & Containers · Operating Systems · 1001-5000 employees · Est. 2004 · Trust D · Hiring 269, 5 new
Canonical is the company behind Ubuntu, the Linux distribution it has published since 2004 and which has become the most widely used operating system on public cloud instances. It earns revenue from support subscriptions, security maintenance of open source packages, and a set of infrastructure products including MicroK8s and Charmed Kubernetes for containers, MAAS for bare metal provisioning, OpenStack distributions and the Snap packaging system. The company was founded by the South African entrepreneur Mark Shuttleworth, who still owns it privately, is headquartered in London, and operates as a fully distributed organisation with staff in dozens of countries.
Mark Shuttleworth · Founder and Chief Executive Officer · decision-maker
No careers mailbox known
≈ $115k – $247k per year (Estimated) · Staff+ · Remote (worldwide) · Bachelor's Degree · Staff
Ubuntu
Cybersecurity
NIST CSF
ISO 27001
Management
Agile
≈ $99k – $226k per year (Estimated) · Lead · Remote (worldwide) · Bachelor's Degree · Staff
Ubuntu
Cybersecurity
Shodan
Maltego
≈ $100k – $206k per year (Estimated) · Senior · 10+ years exp · Remote (worldwide) · Bachelor's Degree · Senior
Go
Python
DevOps
GitOps
Ubuntu
Git
Kubernetes
Cybersecurity
NIST CSF
ISO 27001
Management
Agile
+1
HQ: Buenos Aires, Argentina · Blockchain Infrastructure · Smart Contracts & Security · Est. 2015 · Hiring 7, 1 new
OpenZeppelin is a smart contract security company founded in 2015 with origins in Buenos Aires. Its open-source contract libraries are the de facto standard for token and access control implementations across Ethereum and compatible chains. The firm also performs audits and sells Defender, a platform for secure contract operations, upgrades and incident response.
No named decision-maker yet.
No careers mailbox known
Remote (worldwide) · English: C1
Solidity
Rust
Move
Cairo
Go
Cairo
OpenZeppelin Cairo
Solidity
Echidna
Halmos
Certora
Cybersecurity
Threat Modeling
Web3
OpenZeppelin
Smart Contracts
Ethereum
DeFi
Foundry
Stellar
Solana
Aptos
Cosmos
Aave
Starknet
Uniswap
Sui
Cosmos SDK
+16
