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VGS

Staff Software Engineer

VGS

. Lead the design and evolution of Python 3.13+ and FastAPI services powering secure, production-critical agentic payment flows .

Posted 9/18/2026full-timeArizona • United StatesLead💰 $160,000 - $220,000 per yearWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates advanced proficiency in Python 3.13+, Kubernetes, and AWS ecosystems, with a strong focus on designing secure, scalable payment systems. Capable of leading architectural decisions and implementing observability tools like OpenTelemetry and Prometheus in mission-critical environments.

Highest-signal resume keywords
Python 3.13+ DevelopmentKubernetes (EKS) ManagementAWS Ecosystem ProficiencyOpenTelemetry ImplementationTerraform for Infrastructure Automation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
API DesignDistributed Systems ArchitectureError Handling and TraceabilityUnit and Integration TestingTokenization and Payment Processing
Soft Skills
Cross-Functional CollaborationTechnical Design Review Leadership
Tools & Technologies
PrometheusGrafanaDockerGitOps WorkflowsAI-Assisted Development Tools
Certifications & Qualifications
BA/BS Degree
Industry Keywords
Cloud SecurityAgentic WorkflowsPayment FlowsCredential ProvisioningNetwork Isolation

Tech Stack

Tools & technologies
AWSCloudDistributed SystemsDockerFluxGrafanaKubernetesPrometheusPythonSDLCTerraform

About the role

Key responsibilities & impact
  • Lead the design and evolution of Python 3.13+ and FastAPI services powering secure, production-critical agentic payment flows
  • Design APIs and domain models for card enrollment, agentic token provisioning, purchase intents, mandates, device attestation, OTP flows, confirmations, and cryptogram retrieval
  • Drive architectural decisions across security, scalability, availability, performance, and developer experience
  • Establish error handling, traceability, structured logging, metrics, and distributed tracing using OpenTelemetry and Prometheus
  • Design extensible provisioning workflows using Kubernetes APIs and Custom Resource Definitions
  • Define unit, integration, acceptance, and end-to-end testing strategies for high-risk payment flows, including canary-safe production validation
  • Lead technical design reviews, surface architectural and delivery risks, and drive cross-functional initiatives through production operation
  • Apply AI-assisted development and agentic workflows across the SDLC
  • Collaborate with Product, Security, Infrastructure, Platform, and external card-network partners

Requirements

What you’ll need
  • 10+ years of experience taking personal ownership of outcomes in complex, large-scale distributed systems within mission-critical environments
  • Advanced proficiency in AWS ecosystems leveraging Terraform to build reproducible environments
  • Strong, hands-on experience with Kubernetes (EKS), Docker, and GitOps workflows (Flux, Argo, GitHub Actions)
  • Strong coding skills in Python to automate infrastructure and build operational tools
  • Experience implementing Prometheus, Grafana, or OpenTelemetry at scale
  • Solid understanding of cloud security, API Gateways, load balancing, and network isolation
  • Experience with tokenization, payment processing, or security products (nice to have)
  • BA/BS degree (nice to have)
  • Experience designing mandate, credential-provisioning, authentication, attestation, or cryptogram-based workflows (nice to have)
  • Experience applying AI developer tools or agentic automation to day-to-day engineering workflows (nice to have)

Benefits

Comp & perks
  • Competitive salary
  • 401(k) with a 4% match and immediate vesting (applies to US only)
  • Early equity
  • Internet Stipend
  • Learning Stipend
  • Office set-up stipend (applies to US only)
  • Insurance (medical, dental, and vision)
  • HSA/FSA Options
  • Life and disability insurance
  • Pet insurance
  • Flexible PTO
  • Paid national holidays
  • Global parental leave program
  • Promote from within
  • Lunch and learns
  • Team events and summits
  • Remote and hybrid opportunities
  • Flexible working hours
  • Weekly office lunches
  • Employee discount platform