Principal Systems Software Engineer Jobs

Lead the architecture and implementation of Radiant’s AI-backed desktop product while mentoring engineers and aligning technical strategy with product impact at Supernormal.

Lead the architecture and build scalable, fault‑tolerant systems for Crusoe’s managed AI inference platform to serve LLMs at massive scale.

Lead architecture and implementation of a scalable Python-based pricing platform to optimize revenue and monetization across multiple product surfaces in a remote-first fintech environment.

A growing fintech is hiring a Principal Software Engineer to architect and build a scalable Python-based pricing platform that drives revenue optimization across product teams.

Lead and architect a scalable Python-based core pricing platform at a remote-first fintech, driving revenue optimization and partnering closely with ML, product, and finance teams.

Forward Financing is hiring a Principal Software Engineer to define and lead the architecture and implementation of a scalable, data-driven fintech platform serving small businesses.

Principal Software Engineer to lead architecture and build core systems for Suzy 3.0, focusing on real-time consumer signals, conversational AI, and scalable data pipelines.

Lead PHIL's technical architecture efforts to scale a mission-critical prescription management platform and enable AI/LLM-driven capabilities across a growing B2B2C healthcare ecosystem.

Lead the design and hands-on implementation of ServiceNow's next-generation multi-cloud orchestration and automation platform as a Principal Software Engineer on the Platform Infrastructure team.

Lead the design and delivery of enterprise AI solutions for power systems, building scalable LLM/RAG pipelines and mentoring teams to drive AI adoption across energy platforms.

Lead the architecture and implementation of high-performance, cloud-native Layer-7 security services at Palo Alto Networks as a Principal Software Engineer.

Lead architecture and hands-on development of an AI-native enterprise platform as Principal Software Engineer at a stealth-mode startup based in Midtown Manhattan.

Lead technical direction and delivery for full‑stack, large‑scale Search applications at Yahoo, driving architecture, performance and team excellence.

Inclusive & Diverse

Rise from Within

Mission Driven

Diversity of Opinions

Family Medical Leave

Maternity Leave

Paternity Leave

Lactation Facilities

Family Coverage (Insurance)

Medical Insurance

Dental Insurance

Vision Insurance

Mental Health Resources

Life insurance

Disability Insurance

Health Savings Account (HSA)

Flexible Spending Account (FSA)

401K Matching

Paid Time-Off

Paid Volunteer Time

Senior technical leader role building and scaling enterprise SaaS cloud applications with hands-on full-stack development, architecture influence, and engineering mentorship at Veeva Systems.

Lead software systems engineering efforts for the C2BMC missile defense program, producing system and software artifacts and delivering integrated software solutions on-site in Colorado Springs.