Lead Engineer

TransUnion

Senior Systems Developer managing backend systems and infrastructure for financial decision-making at TransUnion. Designing reliable solutions and mentoring junior developers.

Posted 5/8/2026full-timeRemote • 🇨🇷 Costa RicaSeniorWebsite

Tech Stack

Tools & technologies

AWSCloudGoogle Cloud PlatformJavaScriptNode.js

About the role

Key responsibilities & impact

Design and build reliable backend systems and infrastructure tooling
Use TDD to write high-quality, maintainable code and build out automated test suites
Own reliability, observability, and performance of key services
Collaborate with clients to understand requirements, debug issues, and propose solutions
Drive improvements to system architecture, automation, and deployment processes
Mentor junior developers and contribute to a strong engineering culture
Take ownership of problems—investigate, iterate, and fix

Requirements

What you’ll need

Strong programming skills in Node.js or similar backend language
Deep understanding of TDD and a strong focus on automated testing
Experience with Cloud Platforms AWS or GCP
Experience owning backend systems in production environments
Comfort working directly with clients to gather requirements and debug issues
Strong problem-solving skills and a desire to understand the root cause of complex issues
Clear communicator—both in writing and on calls

Benefits

Comp & perks

Competitive salary
Flexible working hours
Professional development budget
Home office setup allowance
Global team events

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Node.jsTDDautomated testingbackend systemsCloud PlatformsAWSGCPsystem architectureautomationdeployment processes

Soft Skills

problem-solvingcommunicationmentoringcollaborationownershipdebuggingclient interactionengineering culture