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Software Engineer, Deposits & Insights

San Francisco Office💼 Full-time💰 $133,000–$133,000🗓 2026-05-27 → 2026-07-31

Core

Backend engineer leading Trust and Safety platforms to enable safe spending and member protection using low-latency APIs and system architecture.

Role type

Senior IC backend engineer (technical lead)

Builds

Trust and Safety platforms, low-latency APIs, backend services

Domain

Financial technology / Payments

Deliverable

production ML models | product features | infrastructure

Required skills

Ruby on Rails, transactional databases, caching systems, large-scale web application architecture, technical leadership, mentoring

Preferred skills

Fast-paced/early-stage environment experience

Technologies

Ruby on Rails

Responsibilities

Drive technical design and architectural decisions, build and maintain robust low-latency APIs, partner with data engineers and product managers to ship features, improve platform reliability and performance, evolve experimentation and ML integration capabilities, participate in on-call rotation

Seniority

Senior, hands-on IC with leadership responsibilities

Rewrite
## About the Role The Deposit & Insights team is looking for a skilled backend engineer to join our team. You'll be leveraging deeply individualized spending insights and member spending behavior to give our members access to the best tools that enable them to spend safely. This role involves collaborating cross functionally, experimenting quickly, and iterating on solutions to find the best points of conversion. ## Responsibilities - Drive technical design and architectural decisions, while mentoring engineers and fostering cross-functional collaboration - Lead and contribute to multiple projects simultaneously, balancing ownership of key initiatives with support across broader team efforts - Build and maintain robust, low-latency APIs and backend services that power our Trust and Safety platforms - Become the domain expert in our platform architecture, providing technical decisions and solutions to refine our maturing platforms - Partner with data engineers, analysts, and product managers to ship impactful features that enhance member protection and experience - Improve platform reliability and performance through thoughtful system architecture, observability practices, and automation - Evolve our experimentation, policy lifecycle, and ML integration capabilities to support smarter and faster decision-making at scale - Engineers are required to participate in on-call rotation. Being on call may include responding to incidents outside of regular working hours when necessary. ## Requirements - 3+ years of experience developing software in a production environment at scale - Prior experience serving as a technical lead for a team and on complex projects—driving architectural decisions, coordinating execution, and aligning cross-functional teams - Proven experience with Ruby on Rails or comparable frameworks - Experience with transactional databases and caching systems - Deep understanding of architectural patterns for large-scale web applications - Commitment to mentoring engineers and fostering team development - An appreciation of maintainable and well-tested code - Curiosity and passion for diving deeply into system architectures and technical challenges ## Benefits Full-time employees are also eligible for a bonus, competitive equity package, and benefits. The actual base salary offered may be higher, depending on your location, skills, qualifications, and experience.
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