Staff Engineer - Foundations

Spin is FEMSA's business unit that enriches and simplifies people's lives. It is an ecosystem of financial and digital solutions that creates added value by helping our users and communities make the most of their time and money. The Spin ecosystem consists of simple, agile, and accessible solutions that help our customers address everyday needs and receive rewards for doing so; such as the digital wallet, Spin by OXXO, the loyalty program, Spin Premia, and Spin Negocios, which offers various solutions for businesses, including NetPay and OXXO PAY.

Objective of the Role:

As our Staff Engineer (Foundations), you will be responsible for the design, development, and maintenance of complex architectures at Spin. You will make strategic technical decisions and mentor engineers, collaborating cross-functionally to deliver high-quality, innovative solutions aligned with business goals.

Main Responsibilities:

• Technical Leadership & Architecture – Design, develop and implement scalable, maintainable software architectures, ensuring alignment with the company’s technology strategy. 
• Mentorship & Team Development – Guide junior and senior engineers through technical mentorship, code reviews, and career development initiatives. 
• Innovation & Optimization – Identify and implement new technologies, optimize system performance, and drive automation to enhance efficiency and scalability. 
• Cross-functional Collaboration – Work closely with product, business, and Tech teams to define requirements and develop technical solutions that meet business needs. 
• Quality & Security – Promote best practices (TDD, CI/CD, SOLID), ensure compliance with industry security standards, desgin patterns and lead incident resolution efforts. 
• Strategic Impact – Contribute to high-level technical decisions, manage dependencies across teams, and advocate for key strategic initiatives. 

Required Knowledge and Experience:

• 7+ years of experience in software development, with a strong background in building and maintaining complex systems. Experience in the fintech industry is preferred.

• Proven experience as a hands-on Software Architect, with expertise in:

  • Designing, coding, and implementing scalable cloud-based architectures, including microservices, containerized, and serverless applications

  • Database management (SQL/NoSQL) and system performance optimization

  • Frontend technologies for web and mobile applications

  • Automation testing and CI/CD pipeline implementation

• Strong problem-solving skills, with the ability to troubleshoot complex technical issues and drive innovation through automation and emerging technologies

• Experience mentoring and onboarding engineers, fostering a culture of technical excellence and continuous learning

• Intermediate English required, with excellent communication skills

• Experience working with Agile/Scrum methodologies

This position is remote, but the ideal candidate will be based in Mexico.

Spin está comprometida con un lugar de trabajo diverso e inclusivo. Somos un empleador que ofrece igualdad de oportunidades y no discrimina por motivos de raza, origen nacional, género, identidad de género, orientación sexual, discapacidad, edad u otra condición legalmente protegida. Si desea solicitar una adaptación, notifique a su Reclutador.

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