Sr Backend Node Developer

Sonatafy Technology, Inc.; Scottsdale (AZ); Remote; MXN 1,285,000 - 2,386,000; Full time

Job summary

Sonatafy Technology, Inc. is seeking a Senior Backend Engineer to lead a high-performing engineering team across Latin America. The role focuses on scalable architecture, mentoring engineers, and delivering reliable backend systems that power U.S.-based teams.

You will drive coding standards, review designs, and collaborate with frontend peers to ensure performance and quality. AI experience is a plus, and the company promotes a remote-first culture with growth opportunities.

Qualifications

• 7+ years of backend engineering experience.
• Experience leading high-throughput, high-availability applications.
• 4+ years of experience with Node.js and MongoDB in a corporate environment.
• 2+ years of experience with Angular.
• Strong systems experience with AWS services (EC2, ECS, S3, Lambda, Rekognition, Elasticache, AmazonMQ, CloudWatch).
• Experience with Docker and container orchestration.
• DNS, VPNs, Networking, Firewalls, static asset delivery, load balancing, and auto-scaling.
• Preferred: Experience with AI.
• Strong understanding of web design best practices and modern web trends.
• Excellent communication and leadership skills.

Responsibilities

• Lead and mentor a team of engineers, fostering a collaborative and high-performing environment.
• Propose and implement scalable architectural patterns to support the application's growth and ensure maintainability.
• Define and enforce coding standards, best practices, and architectural guidelines.
• Follow and contribute to existing software design patterns.
• Identify and resolve data/process bottlenecks.
• Maintain and update the codebase.
• Collaborate with the Frontend team to ensure new features are performant and meet design requirements.
• Conduct code reviews and provide constructive feedback.
• Troubleshoot and resolve complex technical issues.

Skills

Team leadership

Mentoring

Code reviews

Communication

Problem solving

Tools

Node.js

MongoDB

Angular

AWS

Docker

Job description

THIS OPENING IS AVAILABLE FOR CANDIDATES IN LATIN AMERICA, NOT LIMITED TO ONLY MEXICO. Sonatafy Technology , headquartered in Scottsdale, Arizona, is an award-winning nearshore software development company with a strong reputation. They have a dedicated in-house team of engineers, offering end-to-end software solutions and supporting client development staff augmentation. Catering to companies of all sizes and industries, including some of the world's largest brands, Sonatafy Technology is a trusted provider of nearshore enterprise-level cloud and mobile application software development services.

Responsibilities:

• Lead and mentor a team of engineers, fostering a collaborative and high-performing environment.
• Propose and implement scalable architectural patterns to support the application's growth and ensure long-term maintainability.
• Define and enforce coding standards, best practices, and architectural guidelines.
• Follow and contribute to existing software design patterns.
• Identify and resolve data/process bottlenecks.
• Maintain and update the codebase.
• Collaborate with the Frontend team to ensure new features are performant and meet design requirements.
• Conduct code reviews and provide constructive feedback.
• Troubleshoot and resolve complex technical issues.

Requirements and Skills:

• Proven experience working on high-throughput, high-availability applications, with experience in a lead role.
• 7+ years of professional backend engineering experience.
• 4+ years of experience with NodeJS and MongoDB in a corporate environment.
• 2+ years of experience with Angular.
• Strong systems operations experience with AWS services (EC2, ECS, S3, Lambda, Rekognition, Elasticache, AmazonMQ, CloudWatch).
• Experience with Docker and container orchestration.
• Demonstrated experience with DNS, VPNs, Networking, Firewalls, static asset delivery, application load balancing, and auto-scaling.
• (Preferred) Experience working with AI.
• Strong understanding of web design best practices, standards, and modern web application development trends.
• Excellent communication and leadership skills, with the ability to mentor and guide team members.
• Proven ability to make sound technical decisions and drive projects to completion.
• Experience in technical planning and roadmap development.

Why Work with Sonatafy?

At Sonatafy, you'll join a community of highly skilled engineers across Latin America supporting innovative U.S.-based teams. You’ll be part of a fast-moving, client-first culture where your code has real-world impact. We offer competitive compensation, a remote-first lifestyle, and career growth opportunities across industries and technologies.