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Senior Software Engineer, Blockchain Infrastructure

Circle • Greater Phoenix Area
Remote Visa Sponsorship
This Job is No Longer Active This position is no longer accepting applications
AI Summary

Circle is seeking a Senior Software Engineer to extend its in-house blockchain systems infrastructure. Responsibilities include building scalable microservices for secure value transfer across blockchain and traditional banking protocols. The role requires strong technical leadership and collaboration to design, test, and deploy robust payment experiences.

Key Highlights
Extend Circle's in-house blockchain systems infrastructure for tokenization.
Build and own scalable microservices for reliable and secure APIs transferring value and assets.
Collaborate with Product and Engineering teams to design, test, and shape features.
Troubleshoot program and system malfunctions.
Build publicly accessible APIs for developer integration with payment systems.
Integrate Platform Services with leading banks and financial technologies.
Write infrastructure for payment experiences, including data sources, messaging systems, and APIs.
Technical Skills Required
Java Go RESTful API design Cloud Services (AWS, Google Cloud, Microsoft Azure) SQL databases NoSQL databases Messaging systems
Benefits & Perks
Day-one PERM sponsorship for qualified candidates
Base Pay Range: $147,500 - $195,000
Flexible and diverse work environment
Equal opportunity employer
Diversity and inclusion valued

Job Description

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.
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Job Overview
Posted Nov 28, 2025
Employment Full-time
Experience Mid-Senior level
Location Greater Phoenix Area
Category Programming
Company Circle
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