All roles

Open role

[Remote] Staff Software Engineer - Fraud

Remote · Spain Full-time

Note: The job is a remote job and is open to candidates in USA. Mercury is a fintech company building intelligent systems and operational tools for business banking. The Staff Software Engineer will lead the architecture, delivery, and operation of backend systems for fraud prevention, partnering with Data Science and ML teams to support real-time scoring, decisioning, and model serving.

Responsibilities

  • Lead the architecture, implementation, and long-term roadmap for core systems which support multiple fraud prevention use cases
  • Own the end-to-end delivery of large cross-function projects, translating ambiguous high impact problems into strategy and execution, make pragmatic tradeoffs, and drive teams to measurable outcomes
  • Design, build, and operate highly available, low-latency, backend systems that enable real-time scoring and decisioning for fraud prevention
  • Partner with Data Science and ML teams to productionize models, build reliable ML data pipelines, and enable real-time model serving
  • Establish and elevate department level best practices, review designs, drive engineering quality, and act as a trusted advisor on architectural tradeoffs
  • Mentor and grow engineers, documenting learnings and sharing technical direction through writing, 1:1s, and team meetings
  • Navigate and influence multiple stakeholders, help align teams, communicate tradeoffs to technical and non-technical partners, and independently resolve cross team issues

Skills

  • Has 7-10+ years of software development experience, with a strong focus on the backend, with a knowledge of or excitement to learn Haskell
  • Has been an experienced technical lead making architectural decisions in the past and seen the impact of those decisions over time. You should be able to clearly articulate your technical opinions and lay out tradeoffs
  • Is passionately product-minded and has experience building and shipping new products balancing reliability and velocity
  • Is someone comfortable driving discussions in areas with ambiguous ownership, approaches them with empathy, and delights in getting outcomes. Our work touches many other teams and areas of the product; you'll have a lot of autonomy and the expectation is you'll use that to seek out ways to have an impact
  • Is ridiculously helpful, taking initiative to make your coworkers' lives easier by investing time to mentor and proactively share your knowledge and learnings through writings, 1:1s, and team meetings
  • Experience in fintech, fraud systems, or the broader risk domain is a strong plus

Benefits

  • Equity (stock options/RSUs)

Company Overview

  • Mercury provides digital banking and financial tools tailored for startups and modern businesses. It was founded in 2017, and is headquartered in San Francisco, California, USA, with a workforce of 1001-5000 employees. Its website is https://mercury.com.
  • Company H1B Sponsorship

  • Mercury has a track record of offering H1B sponsorships, with 9 in 2026, 14 in 2025, 6 in 2024, 8 in 2023, 1 in 2022, 1 in 2021, 1 in 2020. Please note that this does not guarantee sponsorship for this specific role.
  • More open positions

    [Remote] Technical Project Manager, Agentic AI Delivery

    Work from home Full-time role

    [Remote] Senior Engineer I

    Work from home Full-time role

    [Remote] Senior Software Engineer - FTC

    Work from home Full-time role

    [Remote] VP, Marketing

    Work from home Full-time role

    [Remote] Staff Product Manager, Affirm Bank

    Work from home Full-time role

    Sr. Engineer Merchandise Technology

    Work from home Full-time role

    Project Manager III

    Work from home Full-time role

    Head of Paid Ads / Performance Marketing Lead (TikTok Ads) - Europe Full Remote

    Work from home Full-time role

    Senior Associate, Leadership Practice

    Work from home Full-time role

    Data Solution Specialist

    Work from home Full-time role

    Coding Specialist II- Hospitalists Profee

    Work from home Full-time role

    HRIS Administrator

    Work from home Full-time role

    Senior Oracle Cloud HCM Functional Architect (Public Sector/K12)

    Work from home Full-time role

    [Remote] Executive Clinical Director of Market Operations

    Work from home Full-time role

    Luxury Destinations Specialist

    Work from home Full-time role

    Mathematics Expert - Remote

    Work from home Full-time role

    Senior DoD Medical Product Program Manager / Team Lead - Telework

    Work from home Full-time role

    Prior Authorization Specialist

    Work from home Full-time role

    [Remote] Senior Director, Revenue Strategy, Planning & Analytics

    Work from home Full-time role

    Licensed Professional Clinical Counselor (LPCC)

    Work from home Full-time role

    Bankruptcy Customer Service Team Lead

    Work from home Full-time role