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[Remote] Senior Software Engineer

Remote · Argentina Full-time

Note: The job is a remote job and is open to candidates in USA. Circle 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 will extend Circle's in-house blockchain systems infrastructure, build scalable microservices, and collaborate with Product and Engineering teams to enhance Circle's features.

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

Skills

  • 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

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

Company Overview

  • Circle helps businesses and developers utilize stablecoins for payments and online commerce. It was founded in 2013, and is headquartered in New York, New York, USA, with a workforce of 1001-5000 employees. Its website is https://www.circle.com.
  • Company H1B Sponsorship

  • Circle has a track record of offering H1B sponsorships, with 2 in 2026, 32 in 2025, 41 in 2024, 43 in 2023, 25 in 2022, 4 in 2021, 2 in 2020. Please note that this does not guarantee sponsorship for this specific role.
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