Head of Engineering @ Warmly
Location:
Remote (preference for US or Brazil)
Team Size: 7-10 engineers
Reporting to:
CEO -
Max Greenwald
About Warmly
Warmly is a fast-growing Series A company backed by Y-Combinator, Felicis, and Sequoia, with a high-velocity, transparent, and data-driven work culture. Our AI sales platform saves hundreds of hours/week for sales teams while helping our customers achieve their mission faster. Heading into 2025 with new funding, we will be scaling $3M to $10M in ARR and 250 to 500 customers in advance of a Series B. We foster a work environment where ideas are encouraged, experiments thrive, and individuals take ownership to drive impact.
About the Role
As the Head of Engineering, you will lead Warmly’s engineering team through its next growth phase. Your mission will be to combine technical vision with strategic leadership, building a resilient team, while aligning engineering efforts with product goals. You will be focused on fostering collaboration across functions (mainly product, design, sales, customer success), managing engineering and QA talent, and driving quality at scale.To understand the kind of engineering team we’ve built & fostered in the past - please read this engineering philosophy from our original engineer & cofounder Alan Zhao and this interview with Alan & Alex Batis (our founding engineer who scaled us from 0 to $3M revenue and 1 to 7 engineers).Our app engineering team is based in the US/Brazil (ex.
meet our Tech Leads Scott & Marcos), our data engineering team is based in Israel (brought in from our acquisition of Immagnify), our QA team is based in Pakistan, and we have a fractional DevOps Agency we partner with. We all work US hours.We have some exciting technical challenges ahead of scaling our systems, integrations & data. We process millions of real-data website visits/day, orchestrate tens of thousands of automated AI sales & marketing campaigns/day and sync hundreds of customer’s CRMs and email platforms.
About You
You are a strategic business executive who understands deeply the nuts and bolts of a product and how it can achieve the vision of the companyYou were the director of engineering at a Series B or above startup, when the startup 3X’d its revenue in 1 year. You were one of the pillar senior engineers/tech leads in our techstack at a Series B or above startup, when the startup 3X’d its revenue in 1 year. You have proven best practices that will put Warmly in the 95th percentile of product/engineering teams.You are able to get into the weeds whether that’s people, technology, or product to help the team discover 10x rather than 2x solutions.You hire and uplevel incredible people.You care deeply about cycle time.“You are able to make people want to do what must be done” - Beyond Entrepreneurship 2.0You’re here to win, as a team.
Key Responsibilities
Technical Vision & Strategy
Define and implement the technical roadmap aligned with product and business goals.
Make future-proof architectural decisions that balance scalability with agility.
Maintain high standards in code quality and shipping velocity through continuous iteration on processes.
Leadership & Team Development
Recruit, mentor, and develop a high-performing team of engineers whose skills align with the business needs.
Foster a culture of ownership, psychological safety, and collaboration.
Create opportunities for knowledge sharing to reduce dependencies on individuals.
Cross-Functional Collaboration
Partner with Product, Sales, and Customer Success to align technical and business objectives.
Act as the engineering voice in strategic discussions with leadership, ensuring technical feasibility and prioritization.
Operational Excellence & Scalability
Implement efficient workflows to optimize team output and improve delivery timelines.
Monitor and manage engineering budgets and resources effectively.Our Tech Stack
Backend: TypeScript, Node.js, GraphQL, tRPC
Infrastructure: PostgreSQL, Redis, Kubernetes, Google Cloud
Third-Party Integrations: Salesforce, Hubspot, Slack
Frontend: React
Internal Systems: Linear, Asana, Figma, Slack
What We’re Looking For
Ideally: you’ve scaled 2+ B2B SAAS startups from Series A to Series D (7 to 40+ engineers).
8+ years of experience in software development with 3+ years leading teams.
Experience with TypeScript, Node.js, React, and relational databases like PostgreSQL.
Proven track record of building and scaling engineering teams, especially in SaaS environments.
Strong leadership skills with experience setting goals, managing performance, and fostering accountability.
Ability to manage budgets, optimize resource allocation, and improve operational workflows.
Excellent communication and collaboration skills with both technical and non-technical stakeholders.
Our Values
At Warmly, we embody our core values:
Slope > Y-Intercept: Focus on long-term growth.
Add a Comma: We are always improving.
Play Like a Team: Collaborate to win.
Know Thyself: Self-awareness and feedback are integral to personal growth.
