Software Engineer - Infrastructure
Confirmed on the employer's own hiring board on Oct 18, 2026. First seen by Alion on Jul 14, 2026. Moderntreasury scores B on the Alion truth index.
OVERVIEW
This position can be based out of San Francisco, New York, or remote (we accept candidates from the following states: AZ, CA, CO, CT, FL, GA, HI, IL, MA, MD, MI, MN, MT, NC, NJ, NV, NY, OH, OK, OR, PA, TN, TX, UT, WA, WI).
Modern Treasury is expanding deeper into money movement. We’re building new products that will let customers move funds across both traditional rails and emerging technologies, including stablecoins. You’ll help design, deploy and operate the infrastructure that makes this possible.
This is a hands-on devops role with strong ownership over infrastructure architecture and platform automation.
ABOUT THE ROLE
This role sits at the intersection of infrastructure, platform engineering and security. You’ll define how Modern Treasury scales and operates our infrastructure, and guide teams toward cohesive architectural patterns.
You will set direction and build for infrastructure systems that support:
Multi-rail money movement
Real-time payment flows
Ledger-backed transaction processing
High-availability payment orchestration
This is a staff individual contributor role with broad influence across Product, Platform, and Infrastructure teams.
WHAT YOU’LL DO
Lead architecture for AWS infrastructure, container orchestration, and CI/CD to support scalable payment systems
Standardize automation and infrastructure-as-code to provision, scale, and operate high-volume ledger and transaction platforms
Reduce operational overhead through tooling, streamlined workflows, and engineering standards uplift
Optimize performance, reliability, and observability across real-time and rails-specific infrastructure
Define service ownership and operational models, aligning platform and product teams on scalable rail architecture
Contribute to infrastructure and security strategy for new payment rails, including FBO structures, stablecoin integrations, and compliance-focused features
WHAT YOU SHOULD HAVE
Required
8+ years in Devops, or infrastructure engineering
Strong track record of setting technical direction without direct authority
Experience building internal platforms that abstract complexity away from product teams
Strong experience with:
Designing and operating distributed systems
AWS infrastructure at scale
Infrastructure as Code (Terraform or similar)
CI/CD systems and automation pipelines
Containerized environments (Docker)
Observability and performance tuning for production systems
Experience with application and product security
Experience scaling systems that process high-volume workloads
Experience defining reliability standards and operational maturity models
What Sets You Apart
Experience architecting infrastructure for multiple payment rails simultaneously
Experience scaling systems that process high-volume financial or transactional workloads
Understanding of payment rail mechanics (ACH, wires, RTP, cards, etc.)
Familiarity with security and risk standards for money movement
Ability to balance immediate delivery needs with long-term infrastructure strategy
TECHNOLOGIES WE USE
Ruby on Rails for our backend
React, GraphQL, and Tailwind CSS on the front end
Postgres for our database
AWS for infrastructure and hosting
Docker for containerization
GitHub for source code management
Buildkite for continuous integration
ABOUT MODERN TREASURY
Modern Treasury provides trusted infrastructure for money movement. The company helps teams launch and scale payment experiences in days, not months. With best-in-class developer tools and a single API for fiat and stablecoins-plus built-in compliance, ledgering, and reporting-Modern Treasury enables businesses to move money instantly, reliably, and at scale.
Modern Treasury is committed to equal employment opportunity and does not discriminate in any employment opportunities or practices based on an individual's race, color, creed, gender (including gender identity and gender expression), religion (all aspects of religious beliefs, observance or practice, including religious dress or grooming practices), marital status, registered domestic partner status, age, national origin or ancestry (including language use restrictions and possession of a driver’s license issued under California Vehicle Code section 12801.9), natural hair, physical or mental disability, political affiliation, medical condition (including cancer or a record or history of cancer, and genetic characteristics), sex (including pregnancy, childbirth, breastfeeding or related medical condition), genetic information, sexual orientation, military and veteran status or any other consideration made unlawful by federal, state, or local laws. It also prohibits unlawful discrimination based on the perception that anyone has any of those characteristics, or is associated with a person who has or is perceived as having any of those characteristics.
Modern Treasury participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.