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This position was posted on March 13, 2026 and is likely no longer accepting applications. We've kept it here for historical reference. Check out the similar jobs below!

Squire Technologies, Inc. logo

Backend Engineer, Payments Team

Job Overview

Location

Buenos Aires

Job Type

Full-time

Category

Backend Engineer

Date Posted

March 13, 2026

Full Job Description

đź“‹ Description

  • • As a Backend Engineer on the Payments Team at Squire Technologies, you will play a pivotal role in shaping the financial infrastructure that powers our innovative business management system for barbershops. This is an exciting opportunity to contribute to a core, high-impact area of our product, ensuring the seamless and secure processing of transactions that are vital to our users' success.
  • • You will be responsible for designing, developing, and maintaining robust backend services and APIs that handle all aspects of payment processing, including integrations with third-party payment gateways, managing transaction lifecycles, and ensuring data integrity and security.
  • • Your work will directly influence the reliability and scalability of Squire's payment systems, impacting thousands of barbershops and their customers worldwide. This involves collaborating closely with product managers, frontend engineers, and other backend teams to deliver features that enhance user experience and drive business growth.
  • • You will delve into complex challenges related to financial transactions, such as implementing fraud detection mechanisms, optimizing payment flows for speed and efficiency, and ensuring compliance with relevant financial regulations.
  • • This role requires a deep understanding of backend development principles, a passion for building scalable and resilient systems, and a keen eye for detail, especially when dealing with sensitive financial data.
  • • You will be instrumental in architecting solutions that can handle increasing transaction volumes as Squire continues its rapid expansion.
  • • Responsibilities will include writing clean, well-documented, and testable code, participating in code reviews to maintain high-quality standards, and troubleshooting production issues to ensure minimal disruption to our users.
  • • You will contribute to the continuous improvement of our development processes, exploring new technologies and methodologies to enhance team productivity and system performance.
  • • The Payments Team is at the forefront of Squire's financial operations, and your contributions will be critical in building trust and providing a reliable payment experience for our diverse user base.
  • • You will have the opportunity to work with modern technologies and contribute to the evolution of our payment platform, making a tangible difference in the lives of entrepreneurs.
  • • This role involves a significant degree of problem-solving, requiring you to analyze complex technical issues, devise effective solutions, and implement them with precision.
  • • You will be a key player in ensuring the security and compliance of our payment systems, adhering to best practices and industry standards.
  • • Collaborating with cross-functional teams to understand business requirements and translate them into technical specifications will be a regular part of your day.
  • • You will contribute to the overall architecture of our backend systems, ensuring they are scalable, maintainable, and performant.
  • • The opportunity to mentor junior engineers and share your expertise within the team will also be a valuable aspect of this position.
  • • You will be involved in the entire software development lifecycle, from conception and design to deployment and ongoing maintenance.
  • • Proactively identify and address potential performance bottlenecks and security vulnerabilities within the payment processing infrastructure.
  • • Develop and maintain comprehensive documentation for APIs, services, and system architecture.
  • • Stay abreast of emerging trends and technologies in backend development and payment processing to inform future architectural decisions and improvements.
  • • Contribute to a culture of innovation and continuous learning within the engineering team.
  • • You will be a champion for best practices in software development, including testing, CI/CD, and monitoring.
  • • The impact of your work will be felt directly by our users, enabling them to manage their businesses more effectively and grow their revenue through a seamless and secure payment experience.
  • • This role offers a unique chance to specialize in a critical domain within a fast-growing SaaS company, providing significant opportunities for professional development and career advancement.

Skills & Technologies

Backend
Onsite

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Squire Technologies, Inc. logo
Squire Technologies, Inc.
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About Squire Technologies, Inc.

Squire Technologies provides a cloud-based business management platform for barbershops and men’s grooming salons. The software handles appointment scheduling, point-of-sale, customer data, employee management, payroll, inventory, and marketing analytics. It also offers a consumer-facing mobile app that lets clients discover shops, book services, and pay digitally. The company serves independent barbers, multi-chair shops, and franchise networks across North America, integrating payments and financing to streamline operations and increase revenue.

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