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Senior Blockchain Engineer Jobs in Arizona (NOW HIRING)

Senior Software Engineer

Phoenix, AZ · Remote

$152K - $205K/yr

The Senior Software Engineer is responsible for extending Circle's in-house blockchain systems infrastructure to support the tokenization of the world; analyzing requirements, procedures, and ...

As Senior Counsel on the Product Legal team, you will provide strategic legal support for the ... Partner with Product, Engineering, Compliance, and Policy to shape blockchain features and smart ...

... and programmable blockchain infrastructure. Circle's platform includes the world's largest ... The Senior Analyst, AML is responsible for conducting detailed customer onboarding, including ...

... and programmable blockchain infrastructure. Circle's platform includes the world's largest ... The Senior Analyst is responsible for the end-to-end KYC periodic review process, including the ...

... and programmable blockchain infrastructure. Circle's platform includes the world's largest ... As a Sr. Principal Product Manager on the Circle product team, you will be responsible for the ...

Senior Software Developer

Mesa, AZ · On-site

$54 - $71.50/hr

This position is expected to be a subject matter expert and senior engineer in the design ... Knowledge of Machine learning, AI concepts, and Blockchain is a plus * Experienced in Agile ...

... and programmable blockchain infrastructure. Circle's platform includes the world's largest ... Circle is seeking a seasoned Senior Manager of Internal Audit to lead the strategic development and ...

Senior Software Developer

Mesa, AZ · On-site

$54 - $71.50/hr

This position is expected to be a subject matter expert and senior engineer in the design ... Knowledge of Machine learning, AI concepts, and Blockchain is a plus * Experienced in Agile ...

Senior Software Developer

Mesa, AZ · On-site

$54 - $71.50/hr

Verra Mobility is looking to hire an experienced full-stack engineer on their Connected Vehicle ... Blockchain is a plus Company : Verra Mobility provides smart mobility, traffic enforcement, and ...

... and programmable blockchain infrastructure. Circle's platform includes the world's largest ... Circle is looking for a Senior Finance Systems Analyst to join the growing Finance Systems team ...

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Senior Blockchain Engineer information

What are some typical challenges faced by senior blockchain engineers when working on enterprise-level projects?

Senior Blockchain Engineers often encounter challenges such as ensuring scalability and security of blockchain solutions, integrating with legacy systems, and meeting regulatory compliance requirements. Working on enterprise projects typically involves collaborating with cross-functional teams, including product managers, security experts, and backend developers, to align technical solutions with business objectives. Staying updated with rapidly evolving blockchain frameworks and protocols is also essential, as is troubleshooting issues that may arise during deployment or operation of decentralized applications.

What are the key skills and qualifications needed to thrive as a senior blockchain engineer, and why are they important?

To thrive as a Senior Blockchain Engineer, you need advanced knowledge of blockchain architectures, cryptography, smart contract development, and programming languages like Solidity or Rust, typically supported by a degree in computer science or related field. Familiarity with distributed ledger technologies, consensus algorithms, cloud platforms, and tools such as Ethereum, Hyperledger, and Docker is crucial, and certifications like Certified Blockchain Developer can be advantageous. Strong problem-solving abilities, attention to detail, and effective communication skills help you collaborate with cross-functional teams and address complex technical challenges. These competencies are vital for building secure, scalable, and innovative blockchain solutions that meet organizational and industry standards.

What is the difference between Senior Blockchain Engineer vs Blockchain Developer?

AspectSenior Blockchain EngineerBlockchain Developer
Required CredentialsBachelor's/Master's in CS, experience with blockchain protocolsBachelor's in CS or related, coding skills in blockchain languages
Work EnvironmentDesigning blockchain architecture, leading projectsDeveloping smart contracts, coding blockchain applications
Industry UsageUsed in enterprise solutions, financial servicesUsed in DApps, startups, and blockchain projects
Search & Comparison IntentHigher-level roles, architecture, leadershipDevelopment, coding, implementation

While both roles involve blockchain technology, a Senior Blockchain Engineer typically focuses on designing blockchain systems and leading projects, requiring more experience and strategic oversight. In contrast, a Blockchain Developer primarily concentrates on coding and implementing blockchain applications. Both roles are essential in blockchain projects but differ in scope and responsibilities.

What does a senior blockchain engineer do?

A Senior Blockchain Engineer is responsible for designing, developing, and maintaining blockchain-based systems and applications. They lead the implementation of secure and scalable smart contracts, decentralized applications (dApps), and blockchain protocols. These professionals often collaborate with cross-functional teams to integrate blockchain technology into existing systems, ensure security best practices, and troubleshoot complex issues. Their role also includes staying updated on emerging blockchain trends and mentoring junior engineers within the team.
What are the most commonly searched types of Blockchain Engineer jobs in Arizona? The most popular types of Blockchain Engineer jobs in Arizona are:
What are popular job titles related to Senior Blockchain Engineer jobs in Arizona? For Senior Blockchain Engineer jobs in Arizona, the most frequently searched job titles are:
What job categories do people searching Senior Blockchain Engineer jobs in Arizona look for? The top searched job categories for Senior Blockchain Engineer jobs in Arizona are:
What cities in Arizona are hiring for Senior Blockchain Engineer jobs? Cities in Arizona with the most Senior Blockchain Engineer job openings:
Infographic showing various Senior Blockchain Engineer job openings in Arizona as of August 2026, with employment types broken down into 92% Full Time, 3% Part Time, and 5% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution.

Senior Software Engineer

Circle

Phoenix, AZ • Remote

$152K - $205K/yr

Full-time

Re-posted 2 days ago


Job description

Circle (NYSE: CRCL) is one of the world's leading internet financial platform companies, building the foundation of a more open, global economy through digital assets, payment applications, and programmable blockchain infrastructure. Circle's platform includes the world's largest regulated stablecoin network anchored by USDC, Circle Payments Network for global money movement, and Arc, an enterprise-grade blockchain designed to become the Economic OS for the internet. Enterprises, financial institutions, and developers use Circle to power trusted, internet-scale financial innovation. Learn more at circle.com.

What you'll be part of:

Circle is committed to visibility and stability in everything we do. As we grow as an organization, we're expanding into some of the world's strongest jurisdictions. Speed and efficiency are motivators for our success and our employees live by our company values: High Integrity, Future Forward, Multistakeholder, Mindful, and Driven by Excellence. We have built a flexible work environment where new ideas are encouraged and everyone is a stakeholder.

What you'll be responsible for:

The Senior Software Engineer is responsible for extending Circle's in-house blockchain systems infrastructure to support the tokenization of the world; analyzing requirements, procedures, and problems to improve existing systems and modifying systems; building and owning scalable microservices that are responsible for reliable and secure APIs that transfer value and assets across all blockchain protocols as well as traditional banking protocols; collaborating with Product and Engineering teams to design, test, and shape Circle features, including developing and documenting system design procedures, testing procedures, and quality standards; troubleshooting program and system malfunctions to restore normal functioning; building publicly accessible APIs that make it simple for developers to integrate with complex payment systems; integrating Platform Services with leading banks and financial technologies; consulting with management to ensure agreement on system principles; writing the infrastructure to deliver great payment experiences, including data sources (SQL or NoSQL), messaging systems and APIs; other duties as assigned.

What you'll bring to Circle:

  • 6 years minimum professional software development experience in object oriented languages like Java and Go

  • Bachelor's degree in Computer Science or a closely related field (or equivalent).

  • Led teams (2-4) technically on architecture and system design.

  • Experience working with payment systems like credit cards and bank transfers.

  • A broad understanding of RESTful API design and development principles.

  • Experience with Cloud Services (AWS, Google Cloud, Microsoft Azure, etc).

  • Experience with SQL databases and designing schemas.

  • Proven experience in the design & deployment of production-quality, scalable software.

  • A focus on coding standards and code quality -- a desire to have great test coverage to enable continuous delivery.

  • Excellent communication skills, able to collaborate with remote teams, share ideas and present concepts effectively.

  • Self-starter, you enjoy moving at a fast pace, shipping software that improves the user experience and constantly improving your work with little supervision.

Additional Information:

  • This position is eligible for day-one PERM sponsorship for qualified candidates.

Circle is on a mission to create an inclusive financial future, with transparency at our core. We consider a wide variety of elements when crafting our compensation ranges and total compensation packages.

Starting pay is determined by various factors, including but not limited to: relevant experience, skill set, qualifications, and other business and organizational needs. Please note that compensation ranges may differ for candidates in other locations.

Base Pay Range: $152,500-$205,000

We are an equal opportunity employer. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status, or any other protected status required by the laws in the locations where we hire. Additionally, Circle participates in the E-Verify Program in certain locations, as required by law.

Should you require accommodations or assistance in our interview process because of a disability, please reach out toaccommodations@circle.comfor support. We respect your privacy and will connect with you separately from our interview process to accommodate your needs.

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