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Salary
≈ $73k – $215k per year (Estimated)
Location
Hybrid (Bogotá, Colombia, Mexico City, Mexico)
Seniority
Senior · 7+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 17, 2026. First seen by Alion on Jul 22, 2026. PayJoy scores B on the Alion truth index.

Overview
Company
Impact
Profile match
PayJoy is a financial technology company that lets people in emerging markets buy smartphones on credit, using device-locking technology as security and building a credit history for customers who have none. It operates in Mexico, Colombia, Indonesia, India, South Africa and other markets through retail partners and also offers cash loans to customers with a repayment record. Founded in 2015, the company is headquartered in San Francisco, California, United States.

We are looking for a Senior Software Engineer to design, develop, and maintain scalable, secure, and high-performance applications. The ideal candidate has strong experience building backend services with Django, developing modern web applications with Vue.js, designing RESTful APIs, and implementing microservices that support high-volume, mission-critical systems.

Responsibilities

  • Design, develop, test, deploy, and maintain scalable applications using Django and Vue.js.
  • Build and maintain RESTful APIs, microservices, and integrations with internal and external systems.
  • Design, optimize, and maintain PostgreSQL databases, ensuring performance, scalability, and data integrity.
  • Collaborate closely with Product, Design, QA, and Engineering teams to deliver high-quality software solutions.
  • Participate in architecture discussions, code reviews, testing, and Agile ceremonies.
  • Write clean, maintainable, well-documented code and contribute to continuous improvements in engineering practices.
  • Mentor other engineers and support knowledge sharing across the team.

Requirements

  • Bachelor’s degree in Computer Science, Software Engineering, or a related technical field.
  • 7+ years of professional experience as a Software Engineer.
  • Strong proficiency in software engineering principles, design patterns, and modern development practices.
  • Strong experience developing backend applications using Python.
  • Experience building scalable backend services, RESTful APIs, and distributed systems.
  • Strong experience working with relational databases such as PostgreSQL, MySQL, or similar SQL databases, including schema design, query optimization, and performance tuning.
  • Experience developing frontend applications using Vue.js and modern JavaScript.
  • Experience designing and implementing microservices and service-oriented architectures.
  • Experience integrating internal and third-party APIs.
  • Proficiency with Git for version control.
  • Experience working with Docker and Kubernetes.
  • Experience with automated testing, test-driven development (TDD), and code reviews.
  • Experience documenting software functionality and reviewing the work of other engineers.

Benefits

  • Bachelor's degree in Computer Science, Software Engineering, or a related technical field.
  • 7+ years of professional experience as a Software Engineer.
  • Strong experience with Django, PostgreSQL, Vue.js, REST APIs, and microservices.
  • Experience with Docker, Kubernetes, Git, and CI/CD pipelines.
  • Experience with automated testing, Test-Driven Development (TDD), and code reviews.
  • Experience building scalable, high-performance applications and working with distributed systems.
  • Experience in Payments, FinTech, or other high-volume transactional environments is highly desirable.
  • Strong analytical, problem-solving, communication, and collaboration skills, with the ability to thrive in a fast-paced Agile environment.
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