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Core Blockchain Developer Jobs (NOW HIRING)

Mindlance

Senior Blockchain Developer

Dallas, TX · On-site

$54.25 - $71.50/hr

Blockchain integration, core blockchain infrastructure components, wallet engineering, and custody, related blockchain workflows. The role works in close partnership with Crypto Custody Lead ...

PTR Global

Blockchain Developer

Woodbridge, NJ · On-site

Key Responsibilities Core Protocol Development * Architect and develop a custom blockchain ... Cryptographic Engineering * Implement and optimize privacy-preserving cryptographic primitives ...

Apex Systems

Senior Blockchain Engineer

Southlake, TX · On-site

$115K - $152K/yr

This engineer operates at the intersection of blockchain protocol mechanics and institutional ... Design and build core blockchain infrastructure services, including indexers, event processors ...

Procom

Senior Engineer, Blockchain Platforms

Southlake, TX · On-site

$98K - $135K/yr

This is a hands-on engineering role focused on Layer1 blockchain integration, core blockchain infrastructure components, wallet engineering, and custody-related blockchain workflows. Responsibilities ...

Fullstack

Blockchain Engineer

Manhattan, NY · On-site

$200 - $250/hr

The Role As a Blockchain Engineer at Fullstack, you will build the foundational infrastructure that ... You will design and ship core blockchain systems that prioritize reliability, speed, and precision ...

Fullstack

Blockchain Engineer

New York, NY · On-site

$200K - $300K/yr

The Role As a Blockchain Engineer at Fullstack, you will build the foundational infrastructure that ... You will design and ship core blockchain systems that prioritize reliability, speed, and precision ...

Fullstack

$200 - $250/hr

The Role As a Blockchain Engineer at Fullstack, you will build the foundational infrastructure that ... You will design and ship core blockchain systems that prioritize reliability, speed, and precision ...

Hired Recruiters

Blockchain Engineer

New York, NY · On-site

$120K - $200K/yr

As a blockchain developer, you will design and build core components of a plethora of crypto use cases, taking a 0 to 1 approach in developing new user experiences. You'll propose new ideas on how to ...

Randstad Digital

Software Developer - Expert

Southlake, TX · On-site

$81.37 - $84.37/hr

This is a hands?on engineering role focused on Layer?1 blockchain integration, core blockchain infrastructure components, wallet engineering, and custody?related blockchain workflows. The role works ...

BloKchain Talent, LLC

$150K - $250K/yr

... years as senior developer Type: Full time, permanent / W2 preferred, 1099 is possible DOE ... The key goal of this position is to play a core role in the development of a decentralized platform ...

WiredCurrencies

$150 - $200/hr

The role joins the core blockchain team and develops smart contracts and protocol implementations ... The engineer also works with DeFi protocols, token standards, cross-chain communication, testing ...

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All JobsCore Blockchain Developer Jobs

Core Blockchain Developer information

What is a core blockchain developer?

Core Blockchain Developers are specialized software engineers responsible for designing, developing, and maintaining the foundational architecture of blockchain systems. They create and optimize the core protocols, consensus algorithms, and security mechanisms that enable decentralized networks to operate effectively. Unlike application developers who build on top of blockchain platforms, core developers work directly on the blockchain’s underlying infrastructure. Their work ensures the network’s efficiency, scalability, and security, making them essential for the evolution and stability of blockchain technology.

What are the key skills and qualifications needed to thrive as a core blockchain developer?

To thrive as a Core Blockchain Developer, you need deep expertise in computer science, cryptography, and distributed systems, often supported by a degree in a related field and experience with blockchain protocols. Proficiency with programming languages such as C++, Go, or Rust, as well as familiarity with blockchain frameworks and tools like Ethereum and Hyperledger, is typically required. Strong problem-solving skills, attention to detail, and effective communication are crucial soft skills for collaborating with other developers and addressing complex technical challenges. These skills ensure secure, efficient, and scalable blockchain infrastructure that meets the needs of users and organizations.

What are some common challenges core blockchain developers face when working on protocol-level changes?

Core Blockchain Developers often encounter challenges such as ensuring backward compatibility during protocol upgrades, maintaining network security, and achieving consensus among distributed stakeholders. Testing and deploying changes require rigorous peer review and extensive collaboration with other developers and the broader community to prevent disruptions. Additionally, developers must stay updated with evolving cryptographic standards and scalability solutions to keep the blockchain secure and efficient.

What is the difference between Core Blockchain Developer vs Blockchain Software Engineer?

AspectCore Blockchain DeveloperBlockchain Software Engineer
Primary FocusDeveloping and maintaining blockchain protocols, consensus algorithms, and core infrastructureBuilding blockchain applications, smart contracts, and user-facing solutions
Required SkillsDeep understanding of blockchain architecture, cryptography, consensus mechanismsProficiency in programming languages, smart contract development, API integration
Work EnvironmentTypically in blockchain development teams, R&D, or core protocol projectsIn software development teams, creating decentralized apps and tools
Industry UsageUsed by blockchain protocol projects, core infrastructure providersUsed by dApp developers, fintech companies, and blockchain startups

While both roles require blockchain knowledge, Core Blockchain Developers focus on building and optimizing the underlying blockchain protocols, whereas Blockchain Software Engineers develop applications and smart contracts on top of existing blockchain platforms.

What cities are hiring for Core Blockchain Developer jobs?

Cities with the most Core Blockchain Developer job openings:

What states have the most Core Blockchain Developer jobs?

States with the most job openings for Core Blockchain Developer jobs include:

What are popular job titles related to Core Blockchain Developer jobs?

For Core Blockchain Developer jobs, the most frequently searched job titles are:

Infographic showing various Core Blockchain Developer job openings in the United States as of September 2026, with employment types broken down into 1% As Needed, 82% Full Time, 15% Part Time, and 2% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution.

Senior Blockchain Developer

Dallas, TX • On-site

Mindlance
Recruiting and Staffing Services • 1 - 5K employees
Learn more about Mindlanceexternal

$54.25 - $71.50/hr

Other

Posted 8 days ago

Key responsibilities

  • Integrate systems with existing Layer 1 blockchains and evaluate or extend Layer 1 capabilities to meet custody, scalability, or resiliency needs.

  • Design and build core blockchain infrastructure services such as indexers, event processors, block explorers, and data pipelines, ensuring accuracy, performance, and auditability.

  • Contribute to wallet architecture and development, including blockchain-facing wallet services, transaction workflows, and integration with custody key management systems.

Job description

Title: Blockchain Developer

Location: Southlake - Austin is an option
will be on-site 4 days per week
Duration: 12 Months
Contract to Hire
Job Description:
We are hiring a Senior Engineer, Blockchain Platforms to help build and integrate the blockchain infrastructure layer that underpins digital asset custody and tokenization platforms.
Blockchain integration, core blockchain infrastructure components, wallet engineering, and custody, related blockchain workflows. The role works in close partnership with Crypto Custody Lead Engineers and Crypto Security Engineers to ensure blockchain interactions are secure, reliable, observable, and production. This engineer operates at the intersection of blockchain protocol mechanics and institutional custody systems.
What This Engineer Will Do
Layer?1 Blockchain Integration & Platforms
• Integrate systems with existing Layer?1 blockchains (e.g., Ethereum?based or other enterprise?relevant L1s).
• Evaluate and, where appropriate, contribute to building or extending Layer?1 capabilities to meet custody, scalability, or resiliency needs.
• Understand chain?level mechanics such as transaction lifecycle, finality, forks, reorgs, and event propagation.
• Ensure blockchain integrations are reliable under stress conditions and production loads.
Blockchain Infrastructure Components
• Design and build core blockchain infrastructure services, including:
• Indexers and event processors
• Block explorers and observability tooling
• Chain data services and APIs
• Interoperability and cross?chain integration components
• Ensure blockchain data pipelines are accurate, performant, and auditable.
• Support operational tooling required for troubleshooting, monitoring, and incident response.
Wallet Architecture & Development
• Contribute to wallet architecture and development, including:
• Blockchain?facing wallet services
• Transaction creation, signing workflows, and submission pipelines
• Integration with custody key management systems (MPC, HSMs, signing services)
What you have
Required Qualifications
• 7+ years of professional software engineering experience.
• Hands?on experience building or integrating blockchain or distributed ledger systems.
• Strong understanding of Layer?1 blockchain protocols and transaction lifecycles.
• Experience building backend services, APIs, and infrastructure components.
• Proficiency in one or more languages such as Go, Java, Rust, Python, or similar.
• Ability to work effectively across custody, security, and platform teams.
Strongly Preferred
• Experience with blockchain indexers, explorers, or chain analytics systems.
• Familiarity with wallet architecture and blockchain signing workflows.
• Exposure to crypto custody platforms or security?sensitive financial systems.
• Strong debugging instincts in distributed, asynchronous environments.
• Experience using AI tooling to support complex software development.
What Success Looks Like
• Blockchain integrations are predictable, observable, and resilient.
• Wallet and transaction pipelines behave correctly across normal and edge?case chain conditions.
• Custody systems interact with blockchains safely and consistently.
• Incidents related to blockchain dependencies are well understood and quickly diagnosed.
• • This role establishes strong foundations for scalable digital?asset custody and tokenization platforms.
“Mindlance is an Equal Opportunity Employer and does not discriminate in employment on the basis of – Minority/Gender/Disability/Religion/LGBTQI/Age/Veterans.”

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About Mindlance

Sourced by ZipRecruiter

Mindlance is a multinational staffing and services firm based in the Greater NYC area. We have 14 offices across the United States, Canada, and India. We match talented people to Fortune 500 and Fortune 1000 companies across industries. We have been in business since 1999 and are recognized by Staffing Industry Analysts (SIA) as one of the fastest-growing U.S. staffing firms. Our rapid growth means more jobs, more projects, and more opportunities for you. Our core philosophy means that you work with an organization that truly values and recognizes you.

Industry

Recruiting and staffing services

Company size

1,001 - 5,000 Employees

Headquarters location

Union, NJ, US

Year founded

1999

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