HQ: Los Angeles, United States • Blockchain Infrastructure • Payment Processing & Gateways • 51-200 employees • Est. 2022 • Startup • Hiring 7, 2 new
Lightspark is a payments infrastructure company founded in 2022 by former Meta executives and based in Los Angeles. It builds enterprise access to the Bitcoin Lightning Network, including routing, node management and a universal money address standard. The firm targets banks, exchanges and remittance providers seeking instant cross-border settlement.
No named decision-maker yet.
Careers mailbox is known
$200k – $238k per year • Senior • 4+ years exp • In office (Los Angeles, United States) • Relocation • Full-Time • Senior
Python
TypeScript
Databases
Snowflake
Databricks
Google BigQuery
BigQuery
AI/ML
Model Context Protocol
AI Agents
LLM
Prompt Engineering
+2
HQ: London, United Kingdom • Stablecoins • Payment Processing & Gateways • 11-50 employees • Est. 2022 • Startup • Hiring 2
Open a borderless account from anywhere, send and receive payments worldwide, with instant access to funds in digital dollars or local currency. Seamless and 5-10x cheaper than traditional payment solutions.
No named decision-maker yet.
No careers mailbox known
≈ $27k – $66k per year (Estimated) • Junior • 2+ years exp • Madrid • Remote (likely Spain) • Junior
HQ: Buenos Aires, Argentina • Blockchain Infrastructure • Smart Contracts & Security • Est. 2015 • Hiring 5
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
≈ $153k – $303k per year (Estimated) • Head+ • 10+ years exp • Remote (likely Argentina) • Architect
Solidity
AI/ML
AI Agents
LLM
EU AI Act
Agentic Workflows
Cybersecurity
ISO 27001
SOC 2
GDPR
Least Privilege
Web3
OpenZeppelin
Aave
Uniswap
Ethereum
+5
≈ $145k – $229k per year (Estimated) • Senior • 3+ years exp • Remote (likely Argentina) • Senior • English
Move
Cairo
Solidity
Cairo
OpenZeppelin Cairo
AI/ML
Cursor
Claude Code
Tokenization
Web3
Stellar
Arbitrum
Aptos
Cardano
OpenZeppelin
Starknet
Smart Contracts
DeFi
Token Standards
Tokenomics
Aleo
Chainlink
Aave
Uniswap
Ethereum
LayerZero
Wormhole
Axelar
Chainlink CCIP
+18
Remote (worldwide) • English: C1
Solidity
Go
Rust
Move
Cairo
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
HQ: New York, United States • DeFi • Financial Software & Embedded Finance • Blockchain & Crypto • 11-50 employees • Startup • Trust C • Hiring 14
Fun offers the highest converting rails to execute blockchain actions. Optimize your funding rails, reach new customers, and reduce costs.
No named decision-maker yet.
No careers mailbox known
≈ $173k – $316k per year (Estimated) • Senior • 5+ years exp • Hybrid (New York, United States) • Full-Time • Senior
$150k – $300k per year • Senior • 5+ years exp • Hybrid (New York, United States) • Full-Time • Senior
Python
TypeScript
JavaScript
Frontend
React.js
Mobile
React Native
$155k – $300k per year • Senior • 5+ years exp • Hybrid (New York, United States) • Full-Time • Senior
JavaScript
TypeScript
Frontend
React.js
Sass
Design
Figma
HQ: Amsterdam, Netherlands • Blockchain Infrastructure • Crypto Wallets • 51-200 employees • Est. 2016 • Hiring 2
Zerion is a self-custodial wallet and portfolio application covering DeFi, NFTs and multiple blockchains. It aggregates positions across protocols into a single view and provides swaps and bridging in-app. The company also offers wallet infrastructure APIs used by other applications.
Evgeny Yurtaev · Executive Officer, Director · decision-maker
Brad Burnham · Director
Vadim Koleoshkin · Director
Toby Coppel · Director
Careers mailbox is known
Senior • 5+ years exp • Remote (Europe) • Full-Time • Senior
TypeScript
JavaScript
Frontend
React.js
Web3
DeFi
Design
Figma
≈ $43k – $92k per year (Estimated) • Senior • 5+ years exp • Remote (Europe) • Full-Time • Senior
Go
Python
SQL
Databases
PostgreSQL
Cassandra
DevOps
Prometheus
AWS
Docker
Kubernetes
Grafana
Web3
Smart Contracts
QA
Sentry
+4
HQ: Amsterdam, Netherlands • Online Brokerage & Trading Platforms • Blockchain & Crypto • Trust C • Hiring 15
BlockTech is an algorithmic trading firm that trades crypto derivatives and spot markets across global venues around the clock with its own capital. Its strongest area is high-frequency options trading and it is expanding into mid-frequency strategies, hiring quantitative researchers for options and delta one desks and software engineering interns. The firm is based in Amsterdam, Netherlands, with a team in Singapore.
No named decision-maker yet.
No careers mailbox known
≈ $64k – $113k per year (Estimated) • Senior • 3+ years exp • Hybrid (Amsterdam, Netherlands) • Relocation • Full-Time • Senior
Python
AI/ML
Scikit-learn
TensorFlow
NumPy
PyTorch
Intern • In office (Amsterdam, Netherlands) • Internship • Intern • English: B2
Intern • In office (Amsterdam, Netherlands) • Internship • Intern • English: B2
HQ: Zurich, Switzerland • Crypto Wallets • Crypto Exchanges • 51-200 employees • Est. 2017 • Likely startup • Hiring 6
Crypto Finance is a Swiss financial group offering regulated brokerage, custody and asset management for digital assets. Acquired by Deutsche Börse, it serves banks and institutional clients wanting exchange-grade access to crypto markets. The company holds securities firm and asset management licences from Swiss regulators.
No named decision-maker yet.
Careers mailbox is known
Verified live · 3 hours ago
1 month ago
Likely open · 52%
AI Engineer
≈ $102k – $236k per year (Estimated) • Hybrid (Zurich, Switzerland) • Bachelor's Degree • Full-Time • English: C1
Python
SQL
Databases
Google BigQuery
BigQuery
AI/ML
Dagster
dbt
Function Calling
AI Agents
LLM
RAG
Hallucination
Tool Use
DevOps
GCP
Git
Game Dev
Pure Data
Analytics
ETL/ELT
+8
≈ $93k – $257k per year (Estimated) • In office (Zurich, Switzerland) • Bachelor's Degree • Full-Time
≈ $66k – $189k per year (Estimated) • Senior • In office (Zurich, Switzerland) • Bachelor's Degree • Full-Time • Senior
Python
DevOps
Rest API
CI/CD
Docker
Kubernetes
Management
Agile
Scrum
QA
TestRail
Selenium
Cypress
Playwright
Swagger
Postman
Gatling
k6
+7
HQ: Charlotte, United States • Online Brokerage & Trading Platforms • Investment Banking & M&A Advisory • Wealth Management & Financial Advisors • Commercial & Retail Banks • 5000+ employees • Est. 1904 • Trust A • Hiring 708, 2 new
Bank of America is an American bank whose oldest predecessor was founded in San Francisco in 1904 as the Bank of Italy to serve immigrant depositors other banks would not take. Its present scale comes from the 1998 merger with NationsBank of Charlotte and the crisis-era acquisitions of Countrywide and Merrill Lynch, and it now runs consumer banking, global wealth and investment management through Merrill and the private bank, global banking for corporate clients, and global markets. Headquartered in Charlotte and listed on the New York Stock Exchange, it is one of the four largest banks in the United States by assets and deposits.
Alastair Borthwick · Chief Financial Officer · decision-maker
Brian Moynihan · Chair and Chief Executive Officer · decision-maker
Amadeo Giannini · Founder · founder
No careers mailbox known
$122k per year • Senior • 10+ years exp • In office (Jersey City, United States) • Bachelor's Degree • Full-Time • Senior
Python
Java
Scala
DevOps
CI/CD
Web3
Smart Contracts
Ethereum
Corda
Hyperledger Fabric
Management
Agile
+1
HQ: San Francisco, United States • Asset Tokenization • 51-200 employees • Startup • Hiring 8
Monumint is a company that offers services and technology solutions related to digital assets and blockchain based financial products. It focuses on tools for creating managing and trading tokenized assets in environments that emphasize regulatory compliance and risk control.
No named decision-maker yet.
No careers mailbox known
$200k – $250k per year • Equity 0.5–1.5% • Senior • 6+ years exp • In office (San Francisco, United States) • Full-Time • Senior
TypeScript
Node JS
JavaScript
Databases
PostgreSQL
AI/ML
AI Agents
Frontend
Next.js
React.js
DevOps
Docker
$150k – $200k per year • Equity 0.5–1.5% • Middle • 3+ years exp • In office (San Francisco, United States) • Full-Time • Middle
TypeScript
Node JS
JavaScript
Databases
PostgreSQL
AI/ML
AI Agents
Frontend
Next.js
React.js
DevOps
Docker
$150k – $200k per year • Equity 0.5–1.5% • Middle • 3+ years exp • In office (San Francisco, United States) • Full-Time • Middle
TypeScript
JavaScript
Databases
PostgreSQL
AI/ML
AI Agents
Frontend
Next.js
React.js
DevOps
Docker
HQ: Tokyo, Japan • Identity Management • Web3 & dApps • Startup • Hiring 1
UPBOND is a Japanese technology company that builds identity infrastructure combining Web2 convenience with Web3 security. Its products include the self-sovereign login platform Login3.0 and an AI agent service, with more than 20 corporate clients and 600,000 wallet users, and it hires solution engineers. The company is based in Tokyo, Japan.
No named decision-maker yet.
Careers mailbox is known
Verified live · 3 hours ago
1 month ago
Long shot · 22%
ソリューションエンジニア
$32k – $77k per year • In office (Tokyo, Japan) • Full-Time
AI Agents
Chips/EDA
PoC Library
HQ: Minato, Japan • Stablecoins • Cryptocurrencies • Blockchain & Crypto • Trust D • Hiring 20
Datachain is a tech company that revolutionizes blockchain interoperability and stablecoin settlement. we aim to make it possible for the world to interact as one network, making it easier to use a variety of services.
No named decision-maker yet.
Careers mailbox is known
$51k per year • Lead • 5+ years exp • Remote (likely Japan) • Full-Time • Staff
Go
DevOps
Docker
Kubernetes
GCP
Azure
AWS
Web3
Polygon
Avalanche
Smart Contracts
Ethereum
Reown
+3
$51k per year • Lead • 5+ years exp • Remote (likely Japan) • Full-Time • Staff
TypeScript
JavaScript
Frontend
React.js
Web3
Reown
NFT
Ethers.js
MetaMask
Ethereum
$51k per year • Lead • Remote (likely Japan) • Full-Time • Staff
Go
JavaScript
Rust
Kotlin
TypeScript
Solidity
Databases
PostgreSQL
Azure Cosmos DB
Frontend
Next.js
React.js
Chakra UI
DevOps
OpenTelemetry
Grafana
GitHub Actions
Azure
CI/CD
ArgoCD
Kubernetes
Argo Workflows
Web3
Cosmos
Ethereum
+13
HQ: Miami, United States • Asset Tokenization • Blockchain Infrastructure • Startup • Hiring 1
Tatum makes blockchain development simple. It’s the go-to blockchain development platform with a unified framework for building Web3 apps using any of the 100+ protocols.
No named decision-maker yet.
Careers mailbox is known
≈ $56k – $126k per year (Estimated) • Head+ • In office (Brno, Czech Republic) • Architect
JavaScript
TypeScript
Node JS
Node JS
Nest.JS
Databases
Redis
Firestore
RabbitMQ
Frontend
Tailwind CSS
React.js
DevOps
CI/CD
Docker
Linux
Terraform
Ansible
GCP
GitLab CI
Kubernetes
Grafana
Cybersecurity
Snyk
Management
ClickUp
Notion
+13
DeFi • 11-50 employees • Est. 2021 • Startup • Hiring 1
deBridge is a cross-chain interoperability protocol that transfers value and messages between blockchains without pooled liquidity. Its design uses a network of solvers who fill orders on the destination chain and are reimbursed on the source chain. The protocol supports swaps between Solana, Ethereum and many other networks.
No named decision-maker yet.
Careers mailbox is known
Middle • Remote (worldwide) • Full-Time • Russian: C1
JavaScript
SQL
DevOps
Rest API
HQ: New York, United States • Stablecoins • Cryptocurrencies • Blockchain & Crypto • Likely startup • Hiring 1
Build financial products your customers love while transforming your financial operations into a competitive advantage. Deploy enterprise-grade stablecoin infrastructure with Mural Pay—launch accounts, wallets, and payments in weeks.
No named decision-maker yet.
No careers mailbox known
≈ $121k – $265k per year (Estimated) • In office (New York, Denver, United States) • Full-Time
TypeScript
JavaScript
Node JS
Node JS
Nest.JS
Prisma
Databases
PostgreSQL
AI/ML
AI Agents
DevOps
AWS
HQ: Seattle, United States • Robotics AI • Logistics & Warehouse Robotics • Advertising • Logistics • Streaming & OTT Platforms • Cloud Platforms (IaaS & PaaS) • Marketplaces • 5000+ employees • Est. 1994 • Trust A • Hiring 11005, 1372 new
Amazon is an American technology and retail conglomerate founded by Jeff Bezos in 1994 as an online bookstore and headquartered in Seattle, Washington. It operates the world's largest online marketplace together with a global logistics network, physical grocery stores and a third-party seller platform that accounts for most units sold. Amazon Web Services, launched in 2006, is the leading public cloud provider and generates the majority of the group's operating profit, while advertising, Prime Video, Alexa devices and Kuiper satellite broadband round out the business.
Jeff Bezos · Founder & Executive Chairman · decision-maker
Doug Herrington · Chief Executive Officer, Worldwide Amazon Stores · decision-maker
Matt Garman · Chief Executive Officer, Amazon Web Services · decision-maker
Brian Olsavsky · Senior Vice President & Chief Financial Officer · decision-maker
Careers mailbox is known
$213k – $288k per year • Equity • Senior • 10+ years exp • In office (Austin, United States) • Bachelor's Degree • Full-Time • Senior
Clarity
AI/ML
Machine Learning
Chips/EDA
Cadence Voltus
Ansys RedHawk
Cadence Sigrity
HQ: Lagos, Nigeria • Money Transfer & Remittances • 11-50 employees • Est. 2022 • Startup • Hiring 10
Kredete is the autonomous way to move money globally. Building the financial layer for everyone the legacy system left out.
No named decision-maker yet.
Careers mailbox is known
≈ $20k – $34k per year (Estimated) • Senior • 5+ years exp • In office (Lagos, Nigeria) • Full-Time • Senior
Rust
Solidity
JavaScript
TypeScript
Node JS
Databases
PostgreSQL
DevOps
AWS
Docker
Kubernetes
Web3
Stellar
Polygon
Solana
Avalanche
Smart Contracts
Ethereum
+7
Chennai • Dubai • Austin • Mobile App Development Services • Custom Software Development • Hiring 3
Ionixx Technologies, a custom software & IT solutions provider for Fintech, Healthtech, Design, and Web3 industries using provide blockchain, cloud, & AI tech.
No named decision-maker yet.
Careers mailbox is known
$32k – $53k per year (gross) • Senior • 8+ years exp • Chennai • Remote (India) • Senior
Java
TypeScript
JavaScript
Java
Spring Boot
Web3
Ethers.js
Web3.js
Smart Contracts
Token Standards
Ethereum
+1
HQ: San Francisco, United States • 201-500 employees • Est. 2019 • Likely startup • Trust C • Hiring 11
Tools for Humanity is a technology company building for humans in the age of AI.
Samuel Altman · Executive Officer, Director · decision-maker
Alexander Blania · Director · decision-maker
Alex Blania · Director, Executive Officer · decision-maker
Sam Altman · Executive Officer, Director · decision-maker
No careers mailbox known
≈ $105k – $215k per year (Estimated) • Senior • 5+ years exp • In office (Munich, Germany) • Full-Time • Senior
Python
Go
AI/ML
AI Agents
OpenAI
Machine Learning
DevOps
Terraform
CloudFormation
CI/CD
Docker
Kubernetes
Amazon EKS
AWS
Management
Stripe
+5
$306k – $360k per year • Head+ • 10+ years exp • In office (San Francisco, United States) • Full-Time • Architect
OpenAI
Cybersecurity
GDPR
Web3
Rollup
Management
Stripe
Agile
≈ $108k – $221k per year (Estimated) • Senior • In office (Munich, Germany) • Full-Time • Senior
Python
Rust
AI/ML
OpenCV
Computer Vision
NumPy
PyTorch
OpenAI
Red Teaming
Machine Learning
Quantization
Knowledge Distillation
Model Distillation
Robotics
Localization
Management
Stripe
+6
HQ: Mumbai, India • AI Consulting & Integration • IT Consulting & Digital Transformation • Analytics & BI Consulting • Business Process Outsourcing (BPO) • 5000+ employees • Est. 2000 • Trust C • Hiring 172, 11 new
eClerx is an Indian knowledge process outsourcing and analytics company that provides data management, operations, analytics and automation services to large enterprises. Founded in 2000 and listed on the Indian stock exchanges, it serves financial services, communications, retail, technology and media clients from delivery centres in India, the Philippines, Thailand and Europe, covering digital customer operations, financial markets operations and programmatic media buying. The company is headquartered in Mumbai, India.
No named decision-maker yet.
Careers mailbox is known
$130k – $190k per year • Senior • 5+ years exp • In office (New York, United States) • Bachelor's Degree • Senior
Python
Go
JavaScript
TypeScript
SQL
Node JS
Solidity
Java
Java
Maven
Spring Boot
Gradle
Frontend
Angular
React.js
DevOps
Rest API
CI/CD
Git
Web3
Solana
Smart Contracts
Ethereum
+11
HQ: Stuttgart, Germany • Custom Software Development • Machine Learning • IT Consulting & Digital Transformation • Hiring 2
51nodes is a digital consultancy and software company that helps clients turn ideas into digital business models built on automation and intelligent technology. It hires software developers, including for blockchain projects, at its Stuttgart site. The company is headquartered in Stuttgart, Germany.
Jochen Kaßberger · Vertreten durch · decision-maker
Careers mailbox is known
≈ $79k – $166k per year (Estimated) • Hybrid (Stuttgart, Germany)
