Circle · 1 day ago
Senior Software Engineer
Greater Phoenix Area
Full-time
Hybrid
Senior Level
$152K/yr - $205K/yr
6+ years expCircle is one of the world’s leading internet financial platform companies, building the foundation of a more open, global economy through digital assets and payment applications. The Senior Software Engineer is responsible for extending Circle's in-house blockchain systems infrastructure, building scalable microservices, and collaborating with teams to improve existing systems and develop new features.
BankingBlockchainCryptocurrencyFinancial Services
Responsibilities
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
Qualification
Required
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
Benefits
Day-one PERM sponsorship for qualified candidates
Accommodations for disability
Company
Circle
Circle helps businesses and developers utilize stablecoins for payments and online commerce.
1001-5000 employees
H1B Sponsorship
Circle has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (32)
2024 (41)
2023 (43)
2022 (25)
2021 (4)
2020 (2)
Funding
Current Stage
Public CompanyTotal Funding
$2.44BKey Investors
ARK Investment ManagementCoinbaseAlameda Research
2025-11-19Post Ipo Secondary· $17.7M
2025-08-14Post Ipo Secondary· $1.04B
2025-08-14Post Ipo Equity· $260M
Leadership Team
Jared Favole
Chief of Staff to CEO
Jeremy Allaire
Co-Founder and CEO
Recent News
Ledger Insights - blockchain for enterprise
2026-01-06
Cointelegraph
2026-01-03
Company data provided by crunchbase