Staff Software Engineer - DevEx Platform

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 businesses, institutions and developers harness these breakthroughs and capitalize on this major turning point in the evolution of money and technology.
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 and diverse work environment where new ideas are encouraged and everyone is a stakeholder.
What you'll be responsible for:
As a Staff Software Engineer, you'll lead the design and development of scalable platform services, frameworks, and SDKs that accelerate developer productivity and drive innovation across Circle's ecosystem. You'll architect robust APIs, intuitive tools, and integrate emerging technologies like AI to enable next-generation applications. In this role, you'll guide technical decision-making, elevate engineering practices through mentorship and code quality leadership, and shape long-term architectural direction. You'll operate with high autonomy, finding opportunities and delivering solutions that improve performance, usability, and scalability.
What you'll work on:

• Design and develop scalable SDKs, APIs, and developer tools that improve the Circle platform.
• Lead system architecture for new and existing services with a focus on performance and reliability.
• Integrate AI technologies to enable intelligent, next-gen developer experiences.
• Conduct in-depth code reviews and provide technical mentorship to elevate engineering practices.
• Partner with Product and cross-functional teams to define technical solutions aligned with business goals.
• Proactively identify technical gaps and opportunities to increase developer velocity and system efficiency.
• Champion engineering excellence through test coverage, code quality, and continuous delivery practices.

What you'll bring to Circle

• 3+ years of technical leadership experience guiding teams through complex architecture and system design.
• 8+ years of professional software development experience using NodeJS/TypeScript, Python, or Java.
• Deep expertise in SDK and API design, with a track record of building intuitive developer experiences.
• Strong understanding of scalable software architecture and production-quality deployment.
• Proficiency in container orchestration platforms like Kubernetes, EKS, or ECS or equivalent experience.
• Passion for high coding standards, test coverage, and continuous delivery practices.
• Experience/familiarity with Slack, Apple MacOS and GSuite.
• Familiarity with generative AI models (ChatGPT, Gemini, etc.) and crafting effective prompts.

Preferred Requirements

• Experience crafting developer-friendly SDKs that are easy to use and hard to misuse.
• Familiarity with using AI/ML to improve developer tools and applications.
• Bachelor's degree in Computer Science or related field (or equivalent experience).

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:
$172,500 - $227,500
We are an equal opportunity employer and value diversity at Circle. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. 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 to [email protected] for support. We respect your privacy and will connect with you separately from our interview process to accommodate your needs.
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