Senior Software Engineer (DevEx)

Location: Remote in the United States or Canada; hiring is limited to listed US states and Ontario, Alberta, or British Columbia. Hybrid schedule applies to employees living within 30 miles of a hirify.global office location.

Salary: $150,000–$200,000 per year.

Company

hirify.global builds payment tokenization and credential-management infrastructure for AI companies, merchants, banks, fintechs, and other large enterprises.

What you will do

• Design and build Python and FastAPI services for secure agentic payment flows.
• Develop APIs and domain models for card enrollment, token provisioning, purchase intents, mandates, device attestation, OTP flows, confirmations, and cryptogram retrieval.
• Implement security, scalability, availability, performance, error handling, structured logging, metrics, and distributed tracing with OpenTelemetry and Prometheus.
• Design Kubernetes API and Custom Resource Definition workflows for automated platform provisioning.
• Define unit, integration, acceptance, and end-to-end testing strategies, including canary-safe production validation.
• Collaborate with Product, Security, Infrastructure, Platform, and external card-network partners while applying AI-assisted development across the SDLC.

Requirements

• 6+ years of experience delivering and maintaining complex distributed systems in production environments.
• Advanced AWS proficiency and experience using Terraform for reproducible infrastructure.
• Strong hands-on experience with Kubernetes, including EKS, Docker, and GitOps workflows with Flux, Argo, or GitHub Actions.
• Strong Python skills for infrastructure automation and operational tooling.
• Experience implementing Prometheus, Grafana, or OpenTelemetry at scale.
• Solid understanding of cloud security, API gateways, load balancing, and network isolation.

Nice to have

• Experience in fintech, payments, card networks, tokenization, identity, or secure infrastructure.
• Experience designing mandate, credential-provisioning, authentication, attestation, or cryptogram-based workflows.
• Experience applying AI developer tools or agentic automation to engineering workflows.

Culture & Benefits

• Remote-first work with flexible working hours; hybrid work is required for employees living within 30 miles of an office.
• Salary, early equity, internet and learning stipends; US employees receive a 401(k) with a 4% match and immediate vesting.
• Medical, dental, vision, life, disability, pet insurance, and HSA/FSA options.
• Flexible PTO, paid national holidays, and a global parental leave program.
• Learning opportunities, lunch-and-learns, internal promotion, team events, summits, and office lunches.

Hiring process

• Apply for requisition hirify.global-286; the posting includes an additional hiring-process note without further specified stages.