Appian

Principal Applied AI Engineer

Appian
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2 months ago
McLean, VA, USAStaff+
H1B sponsor

Base Salary

$200k - $350k/yr

Responsibilities

  • Architect, build, optimize, and operate high-performance production LLM systems.
  • Lead platform modernization, code refactoring, and strategic technology changes across the Appian codebase and AI systems.
  • Use AI coding tools to generate, review, evaluate, and improve production code.
  • Drive technical story breakdowns, acceptance criteria, architecture, prototyping, and delivery for complex AI-powered applications.
  • Improve product availability, latency, scalability, efficiency, and reliability through advanced systems engineering and tuning.
  • Promote engineering best practices, conduct detailed code reviews, and build automation frameworks to prevent recurring problems.
  • Coach and mentor engineers at multiple levels and own technical growth initiatives.
  • Share technical expertise through cross-department communication and permanent engineering documentation.

Requirements

  • Bachelor of Science in Computer Science or a related technical or analytical discipline; equivalent experience is not accepted in lieu of a degree.
  • 10+ years of relevant software development experience with a bachelor's degree, or 8+ years with a master's degree in Computer Science or a related field.
  • Deep hands-on experience designing and operating production LLM systems.
  • Expertise in code generation, agents, retrieval, structured generation, tool use, model routing, evaluation, and observability.
  • Experience using AI coding assistants and evaluating, coaching others on, and selectively applying AI-generated code in production.
  • Strong distributed-systems, API, security, and reliability foundations with senior individual-contributor capability.
  • Demonstrated ability to influence technical decisions and engineering practices across teams.
  • Experience developing, optimizing, and maintaining high-volume, mission-critical production services.
  • Exceptional ability to communicate technical architectures verbally, visually, and in writing.
  • Preferred experience with compilers, program analysis, formal or executable specifications, or legacy modernization.
  • Experience with enterprise platforms such as Salesforce or ServiceNow is preferred.

Benefits

  • Base salary range of $200,000—$350,000 USD and potential discretionary bonus.
  • 401(k) plan with company match, flexible time off, paid parental leave, medical, dental, vision, life, and disability insurance.
  • Wellness programs, flexible spending accounts, health savings account contributions, employee referral bonus, learning and development resources, and possible equity awards.
  • Employee Assistance Program, Employee Stock Purchase Program, retirement or pension plan, wellness dollars, tuition reimbursement, and family-forming benefits, varying by country.
  • Training, mentorship, Appian University, leadership and skills-based development programs, tuition reimbursement, and a First-Friend onboarding program.
  • Based at Appian headquarters in McLean, Virginia, with an expectation of working in the office five days per week.

Categories

Appian

About Appian

1,001-5,000 employees

Appian builds a low-code platform for process automation, case management, and data orchestration, used by large enterprises and government agencies to design and run mission-critical workflows. It sells subscriptions and services for cloud and on-premise deployments, spanning BPM, RPA, process mining, and AI-enabled capabilities. Founded in 1999 and headquartered in McLean, Virginia, Appian is a public company listed on NASDAQ.

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