2w
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Blockchain Engineer
Jersey City or Dallas or Tampa or Coppell or Boston
$60k-$115k/yr HybridFull Time
4+ YOE4+ years software engineering experience, 2+ years Rust, 1+ year smart contract development; strong blockchain security, distributed systems and testing/CI/CD experience.
Rust, Soroban, Solana, Stellar, Hyperledger Besu, Playwright, Selenium, Cypress, Postman, CI/CD
2w
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Lead Blockchain Engineer
Jersey City or Tampa or Coppell or Boston or Texas
$75k-$150k/yr HybridFull Time
5+ YOE5+ years software engineering experience, 3+ years Rust, 2+ years smart-contract experience; strong blockchain security, CI/CD, automated testing, and cryptography knowledge.
Rust, Soroban, Stellar, Solana, Playwright, Selenium, Cypress, Postman, CI/CD
2mo
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(Senior) Blockchain Solutions Engineer/ IT & Development
Miami or Hong Kong
HybridFull Time
5+ YOE5+ MgmtLead design and implementation of enterprise-grade blockchain platforms; manage architecture; collaborate with teams; experience with Hyperledger, Quorum, Cosmos SDK; cloud deployment; 5+ years tech leadership; English/Chinese proficiency.
Hyperledger Fabric, Corda, Cosmos SDK, Go, Java, Node.js, REST, gRPC, AWS, Azure, GCP, Alibaba Cloud
1d
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Senior Vice President, Blockchain Security Engineer
New York or Pittsburgh or Lake Mary
$120k-$218k/yr OnsiteFull Time
10+ YOE10+ years information security experience with 5 years financial enterprise security and 3 years in digital asset/blockchain; Bachelor's required; expertise in smart contract security, cryptography, key management, and threat modeling.
Solidity, SSDLC, MPC, SMPC
2w
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Blockchain Lead Test Engineer
Tampa or Jersey City or Dallas or Boston or Coppell
$75k-$150k/yr HybridFull Time
5+ YOE5+ years in QA/quality engineering for enterprise software, experience testing blockchain and distributed-ledger platforms, strong manual and automated testing skills, test framework development, API and web app testing, CI/CD experience.
Playwright, Selenium, Cypress, Postman, Hyperledger Besu, CI/CD, REST
2mo
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Senior Solutions Engineer, Banking and Capital Markets
New York or Chicago or Boston or Denver or Miami or Atlanta or Canada or Toronto or Washington or United States
$111k-$269k/yr RemoteFull Time
3+ YOE3+ years customer-facing delivery or solutions engineering experience; hands-on blockchain engineering, Solidity and EVM experience; proficiency with middleware, APIs, and languages like JavaScript/TypeScript/Go/Rust/C++; proven PoC-to-production delivery.
Solidity, EVM, JavaScript, TypeScript, Go, Rust, C++, AWS, RPC
3w
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Backend Engineer (Golang + Solidity) Part-Time
Miami, Florida, United States
$50-$100/hr HybridPart Time
3+ YOE3+ years software development with mastery of Golang and practical Solidity experience; blockchain/payments, SQL, Kafka, Redis, AWS/GCP, Kubernetes, Hardhat/Foundry; leadership of 4+ engineers; strong communication and security focus.
Golang, Solidity, Hardhat, Foundry, SQL, Kafka, Redis, AWS, GCP, Kubernetes, EKS, ECS, Web3
3w
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Technical Support Engineer
Hallandale Beach or Lisbon or Toronto
$104k-$130k/yr RemoteFull Time
1+ YOE1+ years technical support and 1+ year blockchain experience; advanced scripting (Python, GoLang, Ruby, Bash); internet protocols knowledge; Terraform/Ansible experience; Linux host management; Stripe experience; strong communication and debugging skills.
Python, GoLang, Ruby, Bash, DNS, TCP/SSL, HTTP, Ethereum JSON RPC, Terraform, Ansible, Salt, Puppet, Chef, Linux, Stripe, CLI
1mo
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Senior Software Engineer
Miami, Florida, United States
RemoteFull Time
5+ YOE5+ years building cloud microservices (Python, Rust), production architecture experience, Docker, Kubernetes, CI/CD, cloud services, debugging/testing skills, familiarity with LLM-assisted development, and strong communication.
Django, Flask, SQLAlchemy, Python, Rust, Node.js, TypeScript, Docker, Docker Compose, Kubernetes, AWS, Google Cloud, Microsoft Azure, Redis, PostgreSQL, RabbitMQ, Elasticsearch, Kafka, GitHub, GitLab CI, Kibana, NGINX, Blockchain, Ethereum, Linux, WINE, C/C++, LLM
1mo
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Senior Full-stack Engineer - Agentic Payments (NYC / MIA)
New York or Miami
$200k-$230k/yr HybridFull Time
7+ YOE7+ years building production systems; strong backend/full-stack skills; experience with payments, wallets, or blockchain; proficiency in TypeScript/JavaScript/Java/Python; strong communication and product mindset.
TypeScript, JavaScript, Java, Python, EVM, Solana, Stellar
1w
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Chief Technology Officer
Miami, Florida, United States
OnsiteFull Time
10+ YOE10+ years in engineering or infrastructure leadership, deep experience with cloud, distributed systems, servers, multi-GPU environments, hardware integration, and scaling engineering teams; authorized to work in the US.
multi-GPU, servers, PCs, cloud infrastructure, blockchain
3mo
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Head of Fintech Partnerships
United States or Miami or Mexico City
RemoteFull Time
6+ YOE6+ years in fintech/payments or financial infrastructure, deep knowledge of US payment rails and stablecoin/crypto infrastructure, strong commercial negotiation skills, product/engineering collaboration, and leadership experience; Spanish fluency preferred.
WhatsApp, AI, blockchain, stablecoin, Web3, ACH, RTP, Card Networks