CareerPlan

Senior Staff Software Engineer

Mountain View, CAFull-time$279k–$341k2026-11-05 → 2026-11-10
Hybrid

Core

Designing and developing core financial products and AI-native systems for earned wage access, ensuring scalable architecture and responsible AI integration.

Role type

Senior Staff Software Engineer (AI-native architecture)

Builds

Core product logic, domain boundaries, shared systems, and AI agents/skills for engineering workflows

Domain

Fintech / Payments / Regulated financial services

Deliverable

production ML models

Required skills

Distributed systems design, Domain-driven design, Event-driven systems, Clean architecture, AI coding tools, Cross-team technical leadership, System decomposition, Technical mentorship

Preferred skills

Fintech experience, Payments domain knowledge, Regulated environment experience

Technologies

AI coding agents, AI design tools, Event-driven frameworks

Responsibilities

Define domain boundaries and service contracts across business units, Lead architecture reviews and maintain decision records, Drive unification roadmaps for shared systems, Prevent technical debt via deprecation strategies, Partner with platform leads to standardize practices, Build and maintain AI agents and guardrails, Mentor Staff and Senior engineers

Seniority

Senior Staff, hands-on IC with mentorship