GTMA Trust - Principal Full-Stack Software Engineer – PMTS
Core
Set technical direction for architecture, tooling, governance, and practices to protect the operational and data-integrity backbone of the Digital Wallet billing/usage platform.
Role type
Principal Full-Stack Software Engineer (PMTS)
Builds
Digital Wallet (entitlement management, billing, usage tracking)
Domain
SaaS / Financial Services / Billing & Usage
Deliverable
production ML models
Required skills
Object-oriented programming (Java/JavaScript/C++/C#/Ruby/Python), Observability strategy (New Relic/Splunk/Grafana), Web frameworks (NodeJS/Express/Hapi), Relational database design (SQL/PL/SQL), Automated testing strategy, Agentic coding tools (Claude Code/orchestration), System root-cause analysis, Technical leadership
Preferred skills
Scalable self-healing web applications, Gated phased production rollouts (canary/pilot), Agile/TDD, Cross-team consensus driving, Reusable tools/plugins development
Technologies
New Relic, Splunk, Grafana, NodeJS, Express, Hapi, Java, JavaScript, C++, C#, Ruby, Python, SQL, PL/SQL, JUnit, JSUnit, Selenium, Claude Code
Responsibilities
Own resolution of complex production issues spanning provisioning, billing pipelines, and cross-org data reconciliation; Act as technical gatekeeper for high-risk production changes; Define service health instrumentation and alerting strategy; Lead multi-quarter structural fixes and automation tooling; Serve as technical anchor during major incidents; Mentor engineers and define development process standards; Lead adoption of AI-native and agentic engineering practices
Seniority
Principal, hands-on IC with strategy & mentorship