Principal Software Engineer - Full Stack - AI
Level inferred from job title
Job description
Principal Software Engineer at Anaplan responsible for architecting and deploying scalable Generative AI solutions, autonomous AI agents, and full-stack services across frontend and backend. The role bridges backend APIs, MCP services, agentic workflows, and modern user interfaces to deliver intelligent planning experiences.
At a glance
- Work mode
- Remote · United Kingdom
What you'll do
- Architect, design, and deploy scalable Generative AI solutions, autonomous AI agents, and full-stack services into production environments
- Build comprehensive GenAI features including backend API services, custom tools, LLM model integration, and evaluation harnesses
- Design, build, and maintain Model Context Protocol (MCP) servers and services that securely expose backend data and enterprise tools to agentic AI workflows
- Implement robust orchestration, tool-calling capabilities, and multi-agent coordination
- Drive best practices across the full stack, guiding development of responsive frontend applications (React/TypeScript) and scalable backend services (Python, Java, Kotlin, or Node.js)
- Establish robust LLM observability, evaluations, and caching, implementing latency optimisations and comprehensive monitoring
- Champion high availability, performance optimisation, and observability across frontends and backend microservices, optimising MTTD and MTTR
- Mentor senior and junior engineers, conduct code and system design reviews, and partner with product managers to translate product visions into technical roadmaps
What we're looking for
- Extensive professional software engineering experience with a proven track record of delivering complex, high-quality technical projects in a senior or principal role
- Deep hands-on experience designing, deploying, and scaling agentic AI workflows, tool integrations, and GenAI features in production environments
- High proficiency in modern frontend frameworks (specifically React and TypeScript) and robust backend development languages (Python, Java/Kotlin, or Node.js)
- Deep understanding of LLM APIs, prompt engineering, agentic/multi-agent architectures, and building/consuming Model Context Protocol (MCP) services
- Strong experience with application observability, logging, and performance monitoring across distributed backend systems and frontend applications
- Exceptional communication skills with a demonstrated ability to collaborate across engineering, product, and design teams to take ideas from prototype to production
Nice to have
- Hands-on experience with agent orchestration frameworks and integrating AI agents with enterprise platforms
- Experience with GenAI observability and evaluation tools
- Previous experience in Enterprise Performance Management (EPM), financial planning, business analytics, or related enterprise SaaS environments
- Contributions to open-source agent frameworks, MCP servers, or published research in distributed systems or Generative AI
Apply
About Anaplan
AI-infused scenario planning and analysis platform
Anaplan provides a leading AI-infused scenario planning and analysis platform so customers can outpace their competition and the market. Its Winning Culture is built on diversity of thought, leadership regardless of title, ambitious goals, and celebrating wins, supported by operating principles of being strategy-led, values-based and disciplined in execution.
Key facts
- Enterprise SaaS / business planning software
- 2,400+ global companies rely on the platform
- Customers include Coca-Cola, LinkedIn, Adobe, LVMH and Bayer
- Customers rank among the Fortune 50
Partners & customers
What they value
- Diversity of thought
- Behave like leaders regardless of title
- Committed to achieving ambitious goals
- Strategy-led
- Disciplined in execution