Senior Backend Engineer, Trust Platform
Builds and scales secure backend systems for fraud detection, authentication, decisioning, and customer data in a fintech platform. Requires 5+ years experience with distributed systems and cross-functional collaboration.
About the job
What You'll Do
- Design, Build, and Scale – Own backend systems end-to-end, from architecture to deployment, building high-performance, secure, and reusable services that product teams rely on to manage risk and deliver consistent customer experiences.
- Greenfield Development – Work on new capabilities from scratch - whether that's a next-generation fraud signal pipeline, a unified notifications service, or an intelligent decisioning layer - making foundational technical decisions that will shape our platform for years to come.
- Cross-Functional Collaboration – Partner with product, design, data science, and adjacent engineering teams to build trust and safety features that balance rigorous risk management with a seamless user experience.
- Technical Leadership – Lead critical technical and design discussions across fraud detection, authentication, and customer data domains, driving best practices in system design, coding, testing, and DevOps.
- Customer-Focused Innovation – Scope, build, and optimize intelligent services that protect users from fraud while ensuring every interaction feels secure, personalized, and trustworthy.
Requirements
- 5+ years of experience designing, building, and scaling high-performance backend systems in a fast-paced, high-growth environment.
- Expertise in architecting and productionizing large-scale distributed systems.
- Comfortable working across multiple technical areas and collaborating with frontend/mobile teams.
- Passion for tackling complex challenges with structured thinking and analytical rigor. Ability to break down intricate systems, identify flaws, and implement scalable, secure, and maintainable solutions.
- Thrives in a fast-moving, iterative environment with a bias for action. Excited to take full ownership of projects, drive impact, and work cross-functionally with product, design, and engineering teams.
- Strong understanding of data privacy, compliance, and secure coding practices. Experience with designing resilient and reliable systems that meet high security and regulatory standards.
Nice to Have
- Experience working with products related to lending, credit cards, payments, or other financial services.
- Familiarity with mobile app ecosystems and financial technology.
Benefits and Perks
- 100% company-paid medical, dental, and vision coverage for you and your dependents on your first day of employment.
- Receive up to $100 per month in fitness reimbursement or enjoy a complimentary full membership to LifeTime Fitness or Equinox.
- 401(k) with a 3.5% match and immediate vesting.
- Meal program available for both lunch and dinner.
- Pre-tax benefits, including a $1,000 HSA match.
- Life and accidental insurance.
- Flexible PTO.
- Bonus and equity programs.
Skills
Distributed Systems, Backend Development, System Design, Fraud Detection, Authentication, DevOps, Data Privacy, Compliance, Secure Coding, Microservices
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