Skip to content
UpstartUpstartSan Mateo, CA

Principal Software Engineer, Capital Marketplace

Leads technical roadmap, architecture evolution, and innovation for Capital Supply systems at scale. Requires 8+ years experience building highly available consumer products, leading cross-team initiatives, and mentoring leaders.

186k – 258k/yr
Remote8+ YOEBackend Engineering

About the role

Role Summary\nPrincipal Engineer on the Capital Supply team, collaborating across Upstart's business and engineering to drive technical roadmap, architecture, and innovation for Capital Marketplace systems.\n\n## How you’ll make an impact:\n- Help define the Capital Supply engineering’s longer term technical roadmap ensuring alignment with business objectives\n- Guide the architectural evolution of Capital Supply systems with an emphasis on systems shared across the Capital Market engineering teams\n- Uncover and drive alignment across complex technical requirements, designs, trade-offs, influencing product direction\n- Proactively evaluate, prototype, and roll out new technologies/frameworks to help cultivate a culture of innovation\n- Partner with product leaders to shape product direction and drive business impact across all Capital Supply products\n- Lead from the front, while mentoring and developing technical leaders\n- Identify and prioritize high leverage and impactful opportunities\n\n## What we’re looking for:\n### Minimum requirements:\n- Bachelor’s degree in Computer Science, Engineering, or Mathematics, or a related field (or its equivalent) + 8 years of experience\n- Strong technical and software engineering fundamentals including a demonstrated ability to build and own large-scale, highly available consumer products\n- Ability to explain complex business and technical concepts to all audiences\n- Experience leading large cross-team initiatives at companies that have gone through periods of rapid business or organizational growth\n- Track record of successfully mentoring and developing technical leaders\n\n### Preferred qualifications:\n- Has defined and executed on longer term (multi-quarter +) technological visions or strategies for multi-team organizations\n- Has driven initiatives of significant depth or breadth with demonstrated results in engineering process, technology platforms, or overall productivity of others\n- Ability to identify gaps in organizational knowledge, tools, and practices and produce and execute on plans to address those gaps\n- Ability to influence and lead without direct authority\n- Strong product and analytical mindset that allows you to think in terms of ROI, risk, and trade offs

Skills

Software EngineeringSystem ArchitectureLarge-Scale SystemsHigh AvailabilityTechnical LeadershipMentoringPrototypingRoadmap PlanningCross-Team CollaborationInnovation
Gusto

Principal Software Engineer, Money Group

GustoDenver, CO +2

Technical lead for Gusto's Money Group, guiding architecture and service migrations for financial infrastructure including payments, lending, and accounts. Requires 10+ years experience building regulated financial systems at scale.

189k – 278k/yr
Hybrid10+ YOEBackend Engineering
Upstart

Principal Software Engineer, Cash Line

UpstartUnited States

Principal backend engineer building core systems for a new AI-powered revolving credit product. Owns distributed services for underwriting, pricing, transactions, and servicing in a greenfield environment.

183k – 270k/yr
Remote8+ YOEBackend Engineering
Upstart

Principal Software Engineer

UpstartUnited States

Principal Software Engineer providing technical leadership for internal platforms, security automation, and workflow systems supporting Upstart Bank operations. Requires 8+ years experience and a bachelor's degree.

191k – 264k/yr
Remote8+ YOEBackend Engineering
Hightouch

Principal Engineer, Streaming Systems

HightouchUnited States

Leads development of high-throughput streaming systems handling millions of messages per second with sub-second latency for real-time behavioral data processing and AI personalization. Requires expertise in distributed systems architecture, scaling infrastructure, and leading complex projects.

180k – 320k/yr
RemoteBackend Engineering
NinjaTrader

Principal Software Engineer, Trading Systems

NinjaTraderChicago, IL

Lead design, development, and optimization of Scala-based, low-latency trading infrastructure and services for high-volume, 24x7 retail futures trading. Requires extensive experience building high-performance distributed trading systems, JVM tuning, and mentoring engineers.

195k – 220k/yr
On-site7+ YOEBackend Engineering