Senior Software Engineer (Ruby)

At Kueski, we're dedicated to improving the financial lives of people in Mexico. Since 2012, we've been the leading buy now, pay later (BNPL) and online consumer credit platform in Latin America, known for our innovative financial services. Our flagship product, Kueski Pay, provides seamless payment solutions for both online and in-store transactions, establishing itself as the preferred option for a quarter of Mexico's top e-commerce merchants. Notably, we were the first to introduce BNPL on Amazon Mexico.

We're a tech company with a culture geared toward innovation, collaboration, and impact, fostering a strong, diverse, and inclusive company culture. In 2023, Kueski was recognized as the top BNPL platform by Fintech Breakthrough and earned the title of one of Mexico's most ethical companies from AMITAI. Additionally, we ranked as one of the Best Companies for Female Talent by EFY.

We are looking for a Senior Software Engineer who is excited about creating and supporting web services that provide the core functionality for the financial ecosystem, considering functional and nonfunctional requirements, as well as collaborating with other teams to evolve such services towards our technological vision. This is a temporary role.

Key Responsibilities

• Supporting the team in designing and building high-quality systems that may involve multiple teams and iterations. As well as collaborating with other teams to make sure the solution is feasible and aligned with the technical vision.

• Analyzing issues, diagnosing root causes, and creating robust backend solutions aligned with business needs.

• Writing efficient, maintainable code, focusing on system performance, reliability, and security.

• Monitoring and maintaining backend infrastructure, troubleshooting and resolving bugs, and improving scalability.

• Contributing to best practices, mentoring team members, and reviewing code to uphold quality standards.

• Documenting backend processes, participating in technical discussions, and advising on project breakdowns and task estimation.

• Staying current with backend technologies, supporting onboarding, and collaborating with architects on evolving backend architecture.

Position Requirements (Experience & Competencies)

• Language and Frameworks: Proficiency in Ruby is a must.

• Technical Expertise: Strong background in backend development with a solid understanding of programming fundamentals.

• Code Quality: Knowledgeable in best practices for code structure, readability, and maintainability.

• Software Design: Experience with software design patterns relevant to backend systems.

• API Development: Strong experience in designing, building, and integrating APIs, with an understanding of RESTful and/or GraphQL standards.

• Production Experience: Experience deploying, monitoring, and maintaining software products in a production environment.

• Architectural Knowledge: Familiarity with backend architectural patterns (e.g., MVC) and experience with microservices is a plus.

• Iteration & Improvement: Experience delivering solutions iteratively, with a continuous focus on optimization and improvement.

• Microservices Expertise: Experience designing and deploying microservices-based architectures.

• Cloud Platforms: Familiarity with AWS services, including deployment and monitoring solutions.

At Kueski we embrace diversity in all forms, systematically promote equity, and ensure everyone feels included with a sense of belonging. We are committed to the full inclusion of all qualified candidates. As part of this commitment, we will make efforts to ensure reasonable accommodations are made during the hiring process. If reasonable accommodation is needed, please let the Talent Acquisition team know.