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Remote

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3d ago

Location: USA (Remote with occasional travel to MI & VA) Full-Time | Salaried with Cogent ( / / H1B / TN Visa transfer ) Role Overview: Design and maintain secure, performant cross-chain communication protocols to enable seamless token transfers, staking, and verification across blockchain ecosystems. Key Responsibilities: Develop and implement bridge logic and cross-chain messaging layers (e.g., IBC, Layer Zero).Ensure reliable token movement, validator coordination, and proof validation acr

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Full-time

Depends on Experience

Lead Wallet Engineer (Blockchain) - Remote

Remote or Orlando, Florida

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Today

RESPONSIBILITIES: A client with Kforce is seeking a Lead Wallet Engineer (Senior Blockchain Engineer) to join their team. This is a remote position, and the resource must be able to work EST hours. Summary: The Lead Wallet Engineer should have 7-10 years of software engineering experience, including 2-4 years in blockchain wallet development, to lead the architecture and implementation of next-generation wallet solutions. This role focuses on integrating wallet logic with runtime security valid

Contract

$75 - $85 hourly

Front-End Blockchain UX Engineer - Remote

Remote or Orlando, Florida

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Today

RESPONSIBILITIES: A client with Kforce is seeking a Front-End Blockchain UX Engineer to join their team remotely. They are seeking someone with 6-8 years of experience in front-end development, including relevant experience building Web3 or blockchain-enabled interfaces. This role focuses on designing wallet and dashboard experiences that embed trust, security, and transparency into every interaction. Key Responsibilities: * Build wallet/dashboard UI with embedded trust and verification workflo

Contract

$65 - $75 hourly

Back-End Blockchain UX Engineer

Remote

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3d ago

Location: USA (Remote with occasional travel to MI & VA) Full-Time | Salaried with Cogent Required Qualifications 3+ years of experience in backend development, with at least 1 year focused on blockchain or crypto wallet projects (Mandatory) Proficiency in backend programming languages such as Python, Node.js, Go, or Rust Experience with blockchain technologies, including integrating with public blockchains, smart contracts, and Web3 libraries (Mandatory) Solid understanding of RESTful API des

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Full-time

Depends on Experience

Senior Blockchain Security Engineer

Remote

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Today

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Full-time

USD 186,065.00 - 218,900.00 per year

Senior Blockchain Security Engineer

Remote

•

Today

Full-time

USD 186,065.00 - 256,500.00 per year

Front-End Blockchain UX Engineer

Remote

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3d ago

Requirement: 46 years of front-end development (React, Vue, or similar), with 2+ years building Web3/blockchain interfaces (Mandatory). Strong grasp of wallet flows, transaction signing, and decentralized app architecture. Experience with blockchain APIs, real-time data streams, and UX for trust and security.

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Full-time

Depends on Experience

Sr. Blockchain Engineer

Remote or South Jordan, Utah

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Today

Senior BlockChain Developer Remote - USA Long term contract Pay: DOE We are seeking an experienced Blockchain Engineer. The ideal candidate will have experience working with Blockchain and Ethereum, including experience in Go, C# and other OOP languages. As a Blockchain Engineer, you will primarily work on blockchain-related projects, Designing and implement Smart Contracts using Solidity.Additionally you may also be tasked to work on back-end micro services using Go, .Net and SQL as needed.

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Full-time

Senior Blockchain Security Engineer

Remote

•

Today

Full-time

USD 186,065.00 - 218,900.00 per year

Software Engineer, Backend - (Blockchain Platform - Wallet)

Remote

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Today

Full-time

USD 147,900.00 - 174,000.00 per year

Software Engineer, Backend - (Blockchain Platform - Nodes)

Remote

•

Today

Full-time

USD 152,405.00 - 179,300.00 per year

Senior Software Engineer (Platform - Blockchain Platform Nodes)

Remote

•

Today

Full-time

USD 186,065.00 - 218,900.00 per year

Blockchain Security Engineer

Remote

•

Today

Full-time

USD 152,405.00 - 179,300.00 per year

Senior Blockchain Security Engineer, Offensive Security

Remote

•

Today

Full-time

USD 186,065.00 - 218,900.00 per year

Blockchain Security Architect

Remote

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3d ago

Required: 7+ years of experience in security architecture or cybersecurity roles, including 3 5 years in blockchain security, runtime environment design, or related domains. Proven experience designing secure blockchain runtime environments or similar distributed systems. Strong understanding of blockchain protocols, cryptographic primitives, smart contracts, and wallet security models. Expertise in security architecture frameworks, threat modeling, and prevention-first security strategies.

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Full-time

Depends on Experience

Blockchain Forensics Analyst (Security Analyst)

Remote

•

Today

Job Description: We are seeking a highly skilled and detail-oriented Blockchain Forensics Analyst/Security Analyst who can join our security and compliance team. In this critical role, you will lead post-execution forensic investigations on blockchain transactions and smart contracts to detect anomalies, fraudulent behavior, and trust violations. Your expertise will drive the integrity and trustworthiness of our decentralized ecosystem by uncovering threats, supporting incident response, and st

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Full-time

Depends on Experience

Blockchain Forensics Security Analyst - Remote

Remote or Orlando, Florida

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Today

RESPONSIBILITIES: A client with Kforce is seeking a Blockchain Forensics Analyst (Security Analyst) to join their team. This is a remote position, and the resource must be able to work EST hours. We are seeking a highly skilled and detail-oriented Blockchain Forensics Analyst/Security Analyst who can join our security and compliance team. In this critical role, they will lead post-execution forensic investigations on blockchain transactions and smart contracts to detect anomalies, fraudulent beh

Contract

$60 - $70 hourly

Staff Blockchain Security Architect

Remote

•

Today

Full-time

USD 218,025.00 - 256,500.00 per year

Blockchain Security Architect

Remote or Orlando, Florida

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Today

RESPONSIBILITIES: A client with Kforce is seeking a Blockchain Security Architect (Senior Blockchain Developer- Security focus) to join their team in Orlando, FL. The Manager is looking for someone who is hands-on, as this position will be responsible for designing the CRYO Wall runtime environment and embedding a prevention-first security model into both blockchain infrastructure and wallet layers. This role requires deep expertise in blockchain technologies, security architecture, and runtime

Contract

$95 - $105 hourly

Manager, Software Engineering - Stablecoin and Blockchain

Remote or San Francisco, California

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Today

Circle is a financial technology company at the epicenter of the emerging internet of money, where value can finally travel like other digital data - globally, nearly instantly and less expensively than legacy settlement systems. This ground-breaking new internet layer opens up previously unimaginable possibilities for payments, commerce and markets that can help raise global economic prosperity and enhance inclusion. Our infrastructure - including USDC, a blockchain-based dollar - helps busines

Full-time

USD 182,500.00 - 240,000.00 per year

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