One, Inc

Software Engineer, Risk

One, Inc$100K — $130K *
US-AnywhereRemote in United States
Finance & Insurance
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 3+ years of backend engineering experience, preferably in fintech or payments
  • Skilled in building and maintaining APIs, microservices, and distributed systems
  • Familiar with AWS, Kubernetes, and database technologies
  • Experience with risk, fraud, or compliance systems is advantageous
  • Proactive and driven mindset, embodying a builder and executor spirit

Responsibilities

  • Build resilient backend services for fraud detection and transaction monitoring
  • Develop and maintain APIs for real-time risk and fraud prevention
  • Collaborate with cross-functional teams on system design and deployment
  • Integrate third-party risk and compliance platforms for secure data flow
  • Contribute to architectural decisions focusing on scale and security
  • Document systems clearly to ensure transparency and collaboration

Benefits

  • Competitive base salary, stock options, and health benefits from Day 1
  • 401(k) plan with company match
  • Remote-friendly work environment and flexible time off
  • High-growth, mission-driven inclusive culture that values real impact
Full Job Description
The Role

As a Software Engineer on the Risk team, your work will directly impact the systems that protect our customers and company. You will:
  • Build resilient backend services that power fraud detection, identity verification, and transaction monitoring at scale.
  • Develop, test, and maintain backend services and APIs that enable real-time risk and fraud prevention.
  • Partner with product managers, and other engineers to design and deploy systems that protect customer accounts and transactions.
  • Implement integrations with third-party risk and compliance platforms, ensuring seamless and secure data flows.
  • Contribute to architectural decisions that balance scale, security, and reliability across sensitive financial systems.
  • Build clear documentation to support collaboration, transparency, and operational excellence.


You Bring
  • 3+ years of professional experience in backend engineering, ideally within fintech, payments, or external customer facing systems.
  • Proficiency in building and maintaining APIs, microservices, and distributed systems.
  • Familiarity with cloud infrastructure (AWS, Kubernetes, or similar) and database technologies.
  • Experience working with risk, fraud, or compliance systems is a plus.
  • Drive and proactivity - everyone here is a builder and executor.


Tools We Use

We use Node and TypeScript on the server, leveraging the NestJS framework within a microservice-oriented architecture running on Kubernetes and AWS. On the client side, we build and ship product features for iOS, Android, and web platforms using React Native. We also embrace AI-assisted development, so engineers have their choice of Claude Code or Cursor to fit their workflow. While you don't need experience with our exact stack, familiarity with modern software engineering practices will help you ramp up quickly.

What We Offer
  • Competitive base salary, stock options, and health benefits from Day 1
  • 401(k) plan with company match
  • Remote-friendly (US), flexible time off (FTO), and opportunities for growth
  • A high-growth, mission-driven, inclusive culture where your work has real impact


Standard Interview Process
  • Initial Interview with Talent Partner
  • Technical or Hiring Manager Interview
  • Team Interview
  • Executive Interview
  • Offer!


About One, Inc

One, Inc. provides software solutions for the insurance industry. The company offers a cloud-based policy administration system that automates the process of selling and servicing insurance policies. The company's platform enables insurance companies to manage policies, claims, billing, and analytics. The company's customers include insurance carriers, managing general agencies, and brokers. The company was founded in 2005 and is headquartered in Santa Monica, California.
Learn more about One, Inc
Size
200 employees
Industry
Founded
2012

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