Appian
Principal ML Platform Engineer
$175K–$325K
McLean, Virginia +1 · Principal · Full-time · Posted Sep 11, 2026
- Location
- McLean, Virginia
Appian Corporation - US - Experience
- 10+ years with a BS, or 8+ years with a relevant Master of Science.
- Education
- Minimum Bachelor of Science in Computer Science or a related technical/analytical discipline; equivalent experience is not accepted.
About the job
Leads architecture, development, modernization, and reliability of high-scale enterprise software supporting Appian’s AI-powered process automation platform, while mentoring engineers and influencing engineering practices.
What you'll do
- Architect, build, optimize, and modernize high-performance software systems; lead technical design and delivery across complex application layers.
- Improve availability, latency, scalability, and efficiency of production systems; establish engineering practices, code review, and automation to prevent recurring problems.
- Coach and mentor engineers, influence technical direction across teams, and share domain expertise through documentation.
What they ask for
- Bachelor of Science in Computer Science or a related technical/analytical discipline; equivalent experience is not accepted in lieu of a degree.
- 10+ years of relevant software development experience with a BS, or 8+ years with a relevant Master of Science.
- Expert coding, scripting, and debugging in Java, Python, or Go; deep knowledge of distributed systems and cloud infrastructure.
- Experience using AI coding assistants, influencing technical decisions beyond one team, and developing or maintaining high-volume, mission-critical production services.
Nice to have
- Experience with microservices, Docker, Kubernetes, CI/CD, and AWS, Azure, and/or GCP.
- Experience with Salesforce or ServiceNow.
Pay
$175,000 — $325,000 USD (base salary)
Tools
Java, Python, Go, Docker, Kubernetes, CI/CD, AWS, Azure
AI focus
Uses AI coding tools and assistants to generate, review, and critically evaluate AI-assisted code for production engineering; works on software for Appian’s AI-powered process automation platform.
Model-written summary · the original posting is authoritative