HQ: San Jose, United States • Endpoint Security • Observability & APM • Unified Communications • Network Security • Network Equipment • 5000+ employees • Est. 1984 • NASDAQ: CSCO • Trust A • Hiring 1292, 22 new
Cisco Systems is an American networking company founded in 1984 by Stanford computer scientists Leonard Bosack and Sandy Lerner, and headquartered in San Jose, California. It is the largest supplier of enterprise networking equipment in the world, building the routers, switches, wireless access points and optical systems that carry traffic across corporate networks, service providers and data centres, together with the software and silicon that run them. The company has diversified heavily into security, observability through Splunk, collaboration with Webex, and AI infrastructure networking, and now earns a growing share of revenue from software subscriptions rather than hardware sales.
Mark Patterson · Chief Financial Officer · decision-maker
Chuck Robbins · Chair & Chief Executive Officer · decision-maker
Sandy Lerner · Co-Founder · founder
Leonard Bosack · Co-Founder · founder
No careers mailbox known
$229k – $345k per year • Equity • Arlington • Washington • Herndon • Remote (United States) • Full-Time
AI Agents
DevOps
BGP
OSPF
Cybersecurity
Zero Trust
Web3
Bitcoin
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
≈ $140k – $276k per year (Estimated) • Senior • 5+ years exp • Hybrid (Menlo Park, United States) • Full-Time • Senior • English
≈ $118k – $243k per year (Estimated) • Middle • 4+ years exp • Hybrid (Menlo Park, United States) • Full-Time • Middle • English
Python
Go
Rust
AI/ML
Tokenization
Web3
Bitcoin
Layer 2
HQ: San Francisco, United States • Online Brokerage & Trading Platforms • Cryptocurrencies • 51-200 employees • Est. 2019 • Startup • Hiring 4
River is a bitcoin financial services company that builds products helping clients buy, sell, secure and use bitcoin. It aims to build a trusted financial institution for bitcoin savings and corporate treasuries, and hires client operations associates, compliance analysts, a chief compliance officer and software engineers. The company is headquartered in San Francisco, California, United States.
Andrew Benson · Executive Officer, Director · decision-maker
Alexander Leishman · Executive Officer, Director · decision-maker
No careers mailbox known
$200k – $250k per year • Equity • Staff+ • 6+ years exp • Remote (AMER) • Full-Time • Staff
Elixir
Databases
PostgreSQL
DevOps
Kubernetes
Web3
Bitcoin
Shanghai • Crypto Wallets • Blockchain & Crypto • Hiring 2
Trade tokenized stocks and ETFs with DeGate, a multichain self-custody crypto wallet. No manual bridging. Gas is handled automatically.
No named decision-maker yet.
No careers mailbox known
≈ $33k – $92k per year (Estimated) • Senior • 5+ years exp • In office (Shanghai, China) • Full-Time • Senior • English
Rust
Databases
PostgreSQL
Redis
ClickHouse
Apache Kafka
AI/ML
Model Context Protocol
Function Calling
LLM
RAG
Tool Use
DevOps
Terraform
Helm
Loki
Prometheus
CI/CD
GitOps
ArgoCD
AWS
Kubernetes
Grafana
Platform Engineering
Sealed Secrets
SOPS
Amazon EKS
GitHub
IAM
Linux
DNS
FinOps
Cybersecurity
Least Privilege
Web3
Bitcoin
+23
Mumbai • Delhi • Hyderabad • Cryptocurrencies • Crypto Exchanges • Est. 2014 • Hiring 1
ZebPay is a mobile-based online cryptocurrency exchange platform with 3million+ users, enabling them to trade bitcoin, ripple, Ethereum, and other crypto-assets while focussing on security.
No named decision-maker yet.
Careers mailbox is known
≈ $16k – $37k per year (Estimated) • Middle • 4+ years exp • In office (Delhi, Mumbai, Hyderabad, India) • Middle
SQL
Web3
Bitcoin
Analytics
A/B Testing
Design
Figma
Management
Asana
Confluence
HQ: San Francisco, United States • Web3 & dApps • Crypto Wallets • 51-200 employees • Est. 2017 • Trust B • Hiring 12, 1 new
Headquartered in San Francisco, California, United States, Trust Wallet (operated by DApps Platform, Inc., a subsidiary of Binance) is a Web3 financial technology enterprise and self-custody cryptocurrency wallet provider. The company provides a multi-chain mobile and browser extension wallet that enables users to store, send, receive, and swap millions of digital assets and non-fungible tokens (NFTs) across over 100 blockchain networks.
No named decision-maker yet.
Careers mailbox is known
≈ $119k – $232k per year (Estimated) • Senior • 5+ years exp • Remote (likely United States) • Full-Time • Senior
SQL
Databases
ClickHouse
AI/ML
Flink
Web3
Solana
Bitcoin
Cosmos
Chainlink Oracles
DeFi
Trust Wallet
The Graph
Chainlink
Covalent
Nansen
+5
HQ: Paris, France • AI Agents • Information Security • 51-200 employees • Est. 2019 • Startup • Hiring 3
Sahar’s AI‑powered platform enables organizations tosecure their assets and operations against complex cyber, physical and informational threats.
No named decision-maker yet.
Careers mailbox is known
≈ $66k – $140k per year (Estimated) • Hybrid (Paris, France) • Full-Time • French: C1
Python
JavaScript
Rust
TypeScript
Scala
Node JS
Python
FastAPI
Django
Node JS
Nest.JS
Fastify
Frontend
Vue.js
Svelte
Angular
React.js
DevOps
Rest API
Git
Docker
Kubernetes
Web3
Solana
Bitcoin
Smart Contracts
+13
HQ: Gibraltar • Cryptocurrencies • Digital Banks & Neobanks • Est. 2013 • Hiring 4, 1 new
Where Global Banking Meets Bitcoin. Experience the freedom of managing your Bitcoin and US Dollars side by side — all in one secure, seamless app.
No named decision-maker yet.
No careers mailbox known
≈ $62k – $138k per year (Estimated) • Head+ • Gibraltar • Remote (Gibraltar) • Full-Time • Architect
Aliso Viejo • AI Agents • Custom Software Development • 201-500 employees • Est. 2009 • Hiring 4, 1 new
ITRex builds production-ready applied AI, data, and intelligent edge solutions for digital health, life sciences, biotech, manufacturing, and supply chains. We specialize in Gen AI solutions, agentic systems, RAG, and AI-ready data platforms. Go beyond prototypes—build AI that scales!
No named decision-maker yet.
Careers mailbox is known
≈ $66k – $125k per year (Estimated) • Staff+ • Remote (Cyprus, Poland, Serbia, Armenia, Georgia, CT hours) • Full-Time • Architect • English: C1
LLM Guardrails
DevOps
CI/CD
AWS
IAM
Cybersecurity
NIST CSF
SOC 2
SBOM
MobSF
Frida
Web3
Bitcoin
Account Abstraction
Token Standards
Management
Slack
+5
HQ: Purchase, United States • Payment Processing & Gateways • Cards & Card Issuing • 5000+ employees • Est. 1966 • Trust A • Hiring 1160, 74 new
Mastercard is an American payments technology company whose origins date to 1966, when a group of banks formed the Interbank Card Association to compete with BankAmericard. Like its main rival it does not issue cards or extend credit; it operates the network that authorises, clears and settles transactions between issuing banks, acquirers and merchants in more than two hundred countries. Headquartered in Purchase, New York, the company has built a large services business alongside the core network, covering fraud and identity products through its Ethoca and RiskRecon acquisitions, open banking, consulting and loyalty programmes.
Sachin Mehra · Chief Financial Officer · decision-maker
Michael Miebach · Chief Executive Officer · decision-maker
Ajay Banga · former Chief Executive Officer
Careers mailbox is known
≈ $45k – $97k per year (Estimated) • Senior • 5+ years exp • In office (Lisbon, Portugal) • Bachelor's Degree • Full-Time • Senior
Java
JavaScript
TypeScript
Frontend
GraphQL
Angular
DevOps
Rest API
Azure
CI/CD
AWS
Docker
Kubernetes
Cybersecurity
PKI
Web3
Polygon
Solana
Bitcoin
Smart Contracts
Ethereum
+9
Buenos Aires • London • Montevideo • Cryptocurrencies • Blockchain Infrastructure • Est. 2011 • Hiring 9, 4 new
RootstockLabs builds infrastructure for Bitcoin-secured finance, enabling onchcain capital markets, lending, borrowing, investment, and cross-border payments through developers, fintechs, and institutional partners.
No named decision-maker yet.
Careers mailbox is known
≈ $77k – $166k per year (Estimated) • Middle • 3+ years exp • Remote (location not specified, UTC-3 – UTC+2 hours) • Middle • English: C1
Python
JavaScript
Rust
TypeScript
Solidity
C++
AI/ML
LLM
Red Teaming
DevOps
CI/CD
Cybersecurity
OWASP Top 10
Threat Modeling
Web3
Bitcoin
Smart Contracts
DeFi
Ethereum
+7
≈ $153k – $304k per year (Estimated) • Head+ • Remote (location not specified) • Architect
AI Agents
Web3
Bitcoin
Ethereum
≈ $86k – $188k per year (Estimated) • Senior • 7+ years exp • Remote (location not specified) • Senior • English: C1
HQ: New York, United States • Crypto Exchanges • Financial Software & Embedded Finance • 51-200 employees • Est. 2018 • Startup • Trust A • Hiring 15
Talos is an institutional digital asset trading technology company founded in 2018 and headquartered in New York. It provides order and execution management systems that connect banks, funds and brokers to a wide range of liquidity venues. The platform covers the full trade lifecycle including allocation, settlement and portfolio management.
No named decision-maker yet.
Careers mailbox is known
$100k per year • Intern • In office (London, United Kingdom) • Master's Degree • Internship • Intern
Python
SQL
Databases
Google BigQuery
BigQuery
AI/ML
AI Agents
Machine Learning
DevOps
GitHub
Web3
Bitcoin
HQ: Lagos, Nigeria • Crypto Exchanges • 11-50 employees • Est. 2018 • Startup • Hiring 8, 1 new
Busha is a Nigerian cryptocurrency exchange offering naira trading, savings products and dollar-denominated stablecoin accounts. It targets retail customers seeking protection from local currency depreciation as much as speculative trading. The company operates under Nigerian regulatory registration and serves customers through mobile and web apps.
No named decision-maker yet.
Careers mailbox is known
≈ $13k – $32k per year (Estimated) • Senior • 5+ years exp • Hybrid (Lagos, Nigeria) • Full-Time • Senior
≈ $16k – $47k per year (Estimated) • Senior • 5+ years exp • Lagos • Remote (Nigeria) • Full-Time • Senior
HQ: Paris, France • DeFi • Est. 2021 • Startup • Trust A • Hiring 9, 3 new
Morpho is a decentralised lending protocol founded in 2021 by a team based in Paris. It replaces monolithic lending pools with minimal, immutable markets that anyone can configure, layering curated vaults on top for passive depositors. The protocol is used by fintech applications and exchanges to embed crypto-backed lending without operating their own credit infrastructure.
Justine Maze-Colboc · Gérant · decision-maker
Careers mailbox is known
≈ $171k – $302k per year (Estimated) • Staff+ • Remote (United States, GMT hours) • Full-Time • Staff
HQ: Bengaluru, India • Blockchain & Crypto • Commerce • Coupons, Deals & Cashbacks • 51-200 employees • Startup • Hiring 7
GoSats is a financial technology enterprise specializing in digital asset rewards and consumer loyalty solutions. Headquartered in Bengaluru, India, the company operates a cashback platform and prepaid card ecosystem that enables users to earn Bitcoin and digital gold rewards on everyday spending. By partnering with major retail and e-commerce merchants alongside offering browser extensions and payment infrastructure, the platform allows consumers to passively build digital asset portfolios through routine retail transactions.
No named decision-maker yet.
Careers mailbox is known
Middle • 3+ years exp • In office (Bengaluru, India) • Full-Time • Middle
TypeScript
Databases
RabbitMQ
Apache Kafka
AI/ML
Cursor
Claude Code
OpenAI Codex
DevOps
gRPC
GCP
AWS
Docker
Kubernetes
Web3
Bitcoin
+4
≈ $13k – $32k per year (Estimated) • Equity 0–0.1% • Junior • 2+ years exp • In office (Bengaluru, India) • Full-Time • Junior
Cursor
Claude
Fine-tuning
LLM
RAG
OpenAI Codex
Web3
Bitcoin
≈ $18k – $42k per year (Estimated) • Equity 0–0.1% • Senior • 6+ years exp • In office (Bengaluru, India) • Full-Time • Senior
Python
Node JS
AI/ML
Cursor
Claude Code
Mobile
React Native
DevOps
AWS
Kubernetes
GitHub
Cybersecurity
PCI DSS
Web3
Bitcoin
+2
HQ: Houston, United States • Power Grid • Electrical Equipment & Cables • 51-200 employees • Est. 2019 • Startup • Trust B • Hiring 53
Giga Energy is a Houston-based energy infrastructure company that began by turning stranded and flared natural gas into electricity for on-site computing and has since grown into supplying electrical equipment and power infrastructure, including transformers, for data centers, utilities and industrial projects. It runs procurement, construction and verification work for data center projects and hires buyers, procurement analysts, mechanical verification technicians and office staff. The company is headquartered in Houston, Texas, United States.
No named decision-maker yet.
Careers mailbox is known
≈ $111k – $201k per year (Estimated) • Senior • 8+ years exp • United States • Remote (United States) • Bachelor's Degree • Senior
Python
DevOps
DNS
BGP
OSPF
Ansible
Cybersecurity
Least Privilege
SOC 2
NIST 800-53
SIEM
Web3
Bitcoin
+2
HQ: Ho Chi Minh City, Vietnam • Game Development • Blockchain Infrastructure • GameFi • 201-500 employees • Est. 2018 • Startup • Hiring 5
Sky Mavis is a blockchain gaming studio founded in 2018 and headquartered in Ho Chi Minh City. It created Axie Infinity, the game that popularised play-to-earn economics and reached millions of players in Southeast Asia. The company also operates the Ronin network, a gaming-focused chain that now hosts third-party titles.
No named decision-maker yet.
No careers mailbox known
≈ $7.5k – $11k per year (Estimated) • Intern • In office (Ho Chi Minh City, Vietnam) • Internship • Intern
JavaScript
TypeScript
SQL
Node JS
Solidity
Databases
PostgreSQL
Frontend
React.js
DevOps
Rest API
Git
Cybersecurity
ISO 27001
NIST CSF
OWASP Top 10
SOC 2
GoPhish
Web3
Solana
Ronin
Bitcoin
Ethereum
NFT
Ethers.js
Hardhat
+13
≈ $11k – $30k per year (Estimated) • Junior • 2+ years exp • In office (Ho Chi Minh City, Vietnam) • Bachelor's Degree • Full-Time • Junior • English
Python
DevOps
Terraform
Web3
Solana
Ronin
Bitcoin
Ethereum
≈ $23k – $48k per year (Estimated) • Junior • 2+ years exp • In office (Ho Chi Minh City, Vietnam) • Master's Degree • Full-Time • Junior • English
Solidity
Python
Go
Go
Chi
Cybersecurity
Threat Modeling
Web3
Solana
Ronin
Bitcoin
Smart Contracts
Ethereum
+2
HQ: Vancouver, Canada • Mining & Staking • Blockchain Infrastructure • 51-200 employees • Est. 2016 • Hiring 2
DMG Blockchain Solutions is a Canadian technology company founded in 2016 and headquartered near Vancouver. It operates bitcoin mining and blockchain analytics businesses. The company is listed on the TSX Venture Exchange.
Adrian Glover · Executive Officer, Director · decision-maker
Daniel Reitzik · Executive Officer, Director · decision-maker
Sheldon Bennett · Executive Officer, Director · decision-maker
Ryan Cheung · Executive Officer · decision-maker
Careers mailbox is known
≈ $73k – $155k per year (Estimated) • Middle • 4+ years exp • In office (Delta, Canada) • Full-Time • Middle
JavaScript
TypeScript
Node JS
Node JS
Nest.JS
Databases
PostgreSQL
Frontend
Next.js
React.js
Web3
Solana
Bitcoin
Token Standards
QuickNode
+3
HQ: New York, United States • HQ: Manama, Bahrain • Crypto Payments • Cards & Card Issuing • Stablecoins • Crypto Exchanges • Cryptocurrencies • Blockchain & Crypto • 51-200 employees • Est. 2021 • Startup • Trust A • Hiring 34
Rain is a financial technology company that provides stablecoin-powered card issuing and payments infrastructure, letting businesses and fintechs launch Visa cards and accounts funded with stablecoins. Its platform covers card programs, compliance, settlement, loyalty and rewards and agentic payments for partners that want to bring digital dollar balances into everyday spending. The company is headquartered in New York, New York, United States.
No named decision-maker yet.
No careers mailbox known
$215k – $250k per year • Equity • Senior • 8+ years exp • In office (New York, United States) • Full-Time • Senior
AI Agents
Web3
Solana
Smart Contracts
Tron
Bitcoin
Crypto Wallets • Crypto Payments • 51-200 employees • Hiring 6
Institutional-grade crypto infrastructure. MiCA-licensed wallet architecture, embedded on/off-ramps, and global stablecoin settlements for fintechs, exchanges, and dApps.
No named decision-maker yet.
Careers mailbox is known
≈ $85k – $214k per year (Estimated) • Senior • 5+ years exp • Remote (location not specified) • Full-Time • Senior • Russian: C1 • English: C1
TypeScript
Node JS
JavaScript
Node JS
Nest.JS
TypeORM
Databases
PostgreSQL
NATS
Redis
AI/ML
Copilot
Cursor
Claude
LLM
Frontend
React.js
Redux
Material UI
DevOps
Kubernetes
GCP
Helm
OpenTelemetry
Kustomize
Prometheus
Docker
Grafana
Cybersecurity
PCI DSS
GDPR
Web3
Ethers.js
Web3.js
Solana
Smart Contracts
Token Standards
TON
Tron
Bitcoin
Ethereum
Management
Agile
QA
Jest
+28