Lead Backend Engineer - Remote Fintech, Stock Options

Flex Ltd; México; Remote; MXN 1,200,000 - 2,400,000; Full time

Benefits offered by this job

Competitive salary and stock options

Performance bonuses

Comprehensive health insurance

Generous PTO and holidays

Professional development budget

Job summary

Flex Ltd is seeking an experienced Lead Software Engineer (Backend) for a fully remote role. You will drive backend architecture, guide a team of engineers, and build scalable systems for fintech solutions.

Strong communication, autonomy, and proactive collaboration are essential for success in a remote‑first environment. Qualifications include 8+ years in backend development with leadership exposure, expertise in distributed systems, and proficiency in Python/Java/Go/Node.js, plus cloud and

Qualifications

• Bachelor's or Master's degree in Computer Science, Engineering, or related field, or equivalent practical experience.
• 8+ years of backend software development, with at least 3 years in a leadership or senior role.
• Proven expertise in designing and building complex, scalable distributed systems.
• Strong proficiency in one or more backend languages (Python, Java, Go, Node.js) and frameworks.
• Extensive experience with cloud platforms and microservices architecture.
• Deep understanding of SQL and NoSQL databases and data modeling.
• Experience with Kafka or RabbitMQ and caching mechanisms.
• Familiarity with Docker and Kubernetes.
• Excellent problem solving, analytical and communication skills.
• Proven ability to lead, mentor, and inspire engineering teams.
• Experience in remote, agile work environments.

Responsibilities

• Lead the design, development, and deployment of backend services and APIs.
• Architect robust, scalable, highly available systems with modern technologies.
• Collaborate with product managers and frontend engineers to define requirements.
• Write high‑quality, well‑tested code in Python, Java, Go, or Node.js.
• Mentor backend engineers and ensure code quality through reviews.
• Identify performance bottlenecks and mitigate technical debt.
• Drive CI/CD, testing strategies, and system monitoring.
• Contribute to technical decision‑making and strategic engineering planning.
• Ensure data and systems security and integrity.
• Stay current with emerging technologies and best practices.

Skills

Distributed systems design

Backend leadership

Cloud platforms (AWS/Azure/GCP)

Containerization (Docker/Kubernetes)

CI/CD and testing

Mentoring/people leadership

Remote collaboration

Education

Bachelor's or Master's degree in CS/Engineering

Tools

Docker

Kubernetes

Kafka/RabbitMQ

SQL/NoSQL databases

AWS/Azure/GCP

Job description

Flex Ltd is seeking an experienced Lead Software Engineer (Backend) for a fully remote role. You will drive backend architecture, guide a team of engineers, and build scalable systems for fintech solutions.

Strong communication, autonomy, and proactive collaboration are essential for success in a remote‑first environment. Qualifications include 8+ years in backend development with leadership exposure, expertise in distributed systems, and proficiency in Python/Java/Go/Node.js, plus cloud and