
Principal Software Engineer
Progressive Leasing
full-time
Posted on:
Location Type: Remote
Location: Arizona • Texas • United States
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Job Level
About the role
- Architect, design, and develop proof-of-concepts and early-stage production systems leveraging LLMs, agentic workflows, vector databases, and emerging AI technologies
- Work closely with the VP of Research & Development to shape technical direction, evaluate emerging tools, and identify high-impact opportunities for AI adoption
- Build integrations with platforms such as Microsoft Copilot, ChatGPT, and other leading models using APIs, SDKs, and custom toolchains
- Develop full-stack solutions end-to-end, including API development, data pipelining, infrastructure provisioning, and cloud-native deployments
- Create advanced prompts, system instructions, tools, and agent architectures to elevate automation, reasoning, and decision-making across business processes
- Partner with engineering, product, data, and security teams to validate feasibility, ensure responsible-AI standards, and transition successful POCs toward production readiness
- Maintain a high sense of ownership over solution design, performance, quality, and reliability
- Actively research, experiment, and document findings to keep Progressive Leasing at the cutting edge of applied AI
Requirements
- 10+ years of experience in software engineering with deep expertise in full-stack development, distributed systems, and cloud architectures
- Senior-level proficiency in AI integrations, LLM APIs, agent development, prompt engineering, and orchestration frameworks
- In‑depth expertise in cloud infrastructure design, automation, and deployment with AWS
- Strong programming capability in Python, plus experience with JavaScript/TypeScript and complementary backend frameworks
- Hands-on experience building APIs, automating workflows, and designing scalable services using JSON, REST, and event-driven patterns
- Solid understanding of databases (SQL/NoSQL), vector embeddings, and data modeling for AI-powered applications
- Experience designing POCs, running experiments, and driving MVP-to-production evolution
- Ability to work autonomously, move quickly, and distill ambiguous problem spaces into actionable technical solutions
- Strong communication skills with the ability to influence decision-making and explain complex technical concepts to non-technical audiences
- Curiosity, creativity, and a passion for staying ahead of the rapidly evolving AI landscape
Benefits
- Full Health Benefits; Medical/Dental/Vision/Life Insurance + Paid Parental Leave
- Company Matched 401k
- Paid Time Off + Paid Holidays + Paid Volunteer Hours
- Employee Resource Groups (Black Inclusion Group, Women in Leadership, PRIDE, Adelante)
- Employee Stock Purchase Program
- Tuition Reimbursement
- Charitable Gift Matching
- Job required equipment and services
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
full-stack developmentdistributed systemscloud architecturesAI integrationsLLM APIsprompt engineeringorchestration frameworkscloud infrastructure designautomationAPI development
Soft Skills
strong communication skillsability to influence decision-makingcuriositycreativitypassion for AIability to work autonomouslyproblem-solvingteam collaborationownershipadaptability