Who We Are

Walnut is a fast growing startup in the sales automation space, backed by top-notch investors.

We help some of the best GTM teams in the world perform better by easily creating failure-free, interactive, and personalized demo experiences for B2B buyers at every stage of the customer lifecycle.

We are a young company that values culture, grit, transparency, and excellence. We put our founding members at the very heart of our company and are looking for proactive self-starters who are excited about building within a new, rapidly growing and still to be defined category.

As a Staff Software Engineer at Walnut, you will be a technical leader who shapes our engineering culture and architecture while mentoring other engineers. We embrace functional programming principles across our stack, leveraging ReScript on the frontend and Elixir on the backend to build robust, maintainable systems.

Our current stack is composed of React, ReScript, Elixir, GraphQL, Docker, and AWS.

What you will do:

• Lead the architectural design and implementation of complex, cross-cutting features and systems
• Drive technical excellence by establishing best practices, design patterns, and coding standards
• Mentor and provide technical guidance to engineering teams across multiple projects
• Collaborate with product and engineering leadership to develop technical strategy and roadmaps
• Identify and resolve systemic technical issues before they impact product quality
• Contribute to high-level technical decisions regarding scalability, performance, and security
• Lead complex refactoring efforts to improve system resilience and maintainability
• Represent engineering in cross-functional initiatives and stakeholder discussions
• Champion innovation while maintaining a pragmatic approach to delivery
  
  

Who you are:

• You have 10+ years of professional software engineering experience with a proven track record of technical leadership
• You possess deep expertise in frontend architecture and modern JavaScript frameworks (especially React)
• You have extensive experience with at least one backend programming language, preferably in functional paradigms (Elixir, ReScript, Haskell, etc.)
• You've architected and implemented large-scale distributed systems with attention to performance, security, and reliability
• You excel at breaking down complex technical challenges into manageable components
• You have strong experience mentoring engineers and elevating the technical capabilities of teams
• You communicate technical concepts clearly to both technical and non-technical stakeholders
• You have a demonstrated ability to balance engineering excellence with business priorities
• You thrive in ambiguous environments and can navigate technical uncertainty with confidence
• You're passionate about creating scalable, maintainable solutions that drive business value
• You embrace remote-first collaboration with asynchronous communication and documentation
  
  

In the News:

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You better believe it! We raised $35 million in our Round B!

Tech Crunch: Walnut Growing 700% in 4 months!

World Financial Review: Walnut Raises #35 million

Ted Talk: How Walnut is Reshaping the Greater B2B Sales Experience