Senior Backend Engineer (Kotlin)

Location: On-site in Mexico City, Mexico

Salary: MX$150K–MX$220K per month, plus equity and performance bonuses

Company

hirify.global is a profitable Mexican fintech developing credit cards, BNPL loans, bill payments, and a marketplace in a mobile-first consumer finance app.

What you will do

• Design and ship backend systems that support rapid growth and millions of transactions.
• Lead the transition from a Kotlin monolith to scalable microservices.
• Build reliable systems using Kotlin, Spring, AWS, and Terraform.
• Collaborate with product and data teams to turn ideas into production software.
• Mentor engineers through strong implementation practices and challenging code reviews.
• Improve system performance, reliability, and data integrity.

Requirements

• 5+ years of backend engineering experience.
• Experience building and operating distributed systems.
• Strong Kotlin and Spring experience, or comparable backend technologies.
• Practical knowledge of AWS and Terraform.
• Systems-thinking approach with a focus on performance and data integrity.
• Willingness to work on-site in Mexico City.

Culture & Benefits

• High autonomy, trust, and ownership in a lean technical organization.
• Equity for employees, with performance bonuses and equity refreshers.
• 100% medical, dental, and vision coverage for employees; 50% coverage for dependents.
• Unlimited PTO and extended maternity and paternity leave.
• 401(k) for US employees and PTU for Mexico employees.
• Fast experimentation culture with open communication and low bureaucracy.

Hiring process

• Conversation with the hiring manager.
• Business case or technical assessment.
• On-site interview with the team, followed by a fast offer decision.