Senior Staff Software Engineer (R14272)

Who We Are
Oportun (Nasdaq: OPRT) is a mission-driven financial services company that puts its members' financial goals within reach. With intelligent borrowing, savings, and budgeting capabilities, Oportun empowers members with the confidence to build a better financial future. Since inception, Oportun has provided more than $22.7 billion in responsible and affordable credit, saved its members more than $2.5 billion in interest and fees, and helped its members set aside an average of more than $1,800 annually.
The Opportunity
We’re looking for a Senior Staff Software Engineer to provide technical leadership across multiple engineering teams, systems, and business domains. You’ll help shape architecture, technical strategy, and execution for complex initiatives spanning Product, Platform, Infrastructure, and customer-facing systems.
This is a highly influential individual contributor role for a deeply technical leader who operates with a high degree of autonomy and accountability. You’ll lead strategically important work from discovery through production, mentor Staff and senior engineers, and help teams make strong technical decisions across scalability, reliability, security, cost, developer productivity, and long-term maintainability.
At Oportun, we move fast and we hold each other to a high bar. If you care about doing your best work while actually moving the needle for real people, you'll fit right in.
At Oportun, we move fast, and we hold each other to a high bar. If you care about doing your best work while actually moving the needle for real people, you'll fit right in.
What You'll Do
Your day-today
You’ll provide senior technical leadership across multiple engineering teams, systems, and business domains.
You’ll drive architecture, design, and implementation of scalable, reliable, secure, and maintainable software systems.
You’ll lead complex cross-functional technical initiatives from discovery and design through delivery and production operation.
You’ll partner with Product, Engineering, Data, Risk, Compliance, Operations, Customer Experience, and business stakeholders to connect technical decisions with business outcomes.
You’ll design and guide implementation of backend services, APIs, integrations, platform capabilities, and distributed systems.
You’ll evaluate existing systems and identify opportunities to improve reliability, scalability, performance, observability, maintainability, cost efficiency, and developer productivity.
You’ll influence technical strategy, roadmap planning, architecture standards, and prioritization across teams.
You’ll establish and promote strong engineering practices across code quality, testing, CI/CD, monitoring, documentation, security, and operational excellence.
You’ll mentor Staff Engineers, senior engineers, and technical leads, helping raise the bar for architecture, execution, ownership, and technical judgment.
You’ll help teams make thoughtful trade-offs across speed, quality, scalability, reliability, security, cost, and long-term maintainability.
You’ll lead or support modernization efforts across legacy and modern systems, platforms, and integrations.
You’ll contribute to systems supporting customer communications, telephony, contact center workflows, servicing platforms, and enterprise integrations where needed.
You’ll participate in production support, incident reviews, root-cause analysis, and long-term reliability improvements for critical systems.
You’ll identify practical ways to use AI-assisted engineering tools and automation to improve development workflows, operational efficiency, knowledge sharing, and team effectiveness.
Who You Are
The right fit looks like this
You’re a deeply technical engineer who thinks beyond individual systems and considers the broader organization, business context, and long-term impact of technical decisions. You’re comfortable taking on ambiguous, high-impact problems and creating clarity across multiple teams.
You influence through technical judgment, credibility, and collaboration rather than title alone. You communicate clearly, mentor other senior engineers, and take ownership for outcomes from strategy through production.
What You Bring
Skills & experience
Required
12+ years of professional software engineering experience.
Deep experience designing, building, and operating large-scale distributed systems.
Proven experience providing technical leader