Demo

Founding Engineer

Weekday AI (YC W21)
New York, NY Full Time
POSTED ON 10/21/2025
AVAILABLE BEFORE 2/18/2026
This role is for one of the Weekday's clients

Salary range: $170K - $220K

Min Experience: 3 years

JobType: full-time

In this role, you will collaborate directly with the founding team, contribute to strategic decisions, and have end-to-end ownership of technical execution. You will help us solve complex challenges, ship features quickly, and ensure a seamless user experience, all while laying down scalable and sustainable systems for the future.

Requirements

Key Responsibilities

  • Product Development: Design, develop, and deploy core features across the full stack to deliver high-quality user experiences.
  • Architecture & Scalability: Build scalable systems and infrastructure that can grow with the product and support future business needs.
  • End-to-End Ownership: Take complete ownership of features from ideation, design, implementation, testing, deployment, and maintenance.
  • Collaboration with Founders: Work closely with the founding team to align on product vision, technical priorities, and company objectives.
  • Innovation & Problem-Solving: Identify bottlenecks, propose innovative solutions, and implement best practices in engineering.
  • Culture Building: Set the tone for engineering excellence, mentor future team members, and contribute to a culture of collaboration, agility, and accountability.
  • Agility & Experimentation: Quickly build and test prototypes, experiment with new technologies, and iterate rapidly based on feedback.
  • DevOps & Deployment: Manage cloud infrastructure, CI/CD pipelines, and ensure reliability, security, and performance of systems.

Skills & Qualifications

  • Experience: 3-6 years of hands-on software engineering experience, ideally in fast-growing product-based startups.
  • Technical Skills:
    • Strong proficiency in at least one backend language (e.g., Go, Java, Python, Node.js).
    • Experience with frontend frameworks (React.js, Next.js, Angular, or similar).
    • Solid understanding of databases (SQL & NoSQL) and data modeling.
    • Exposure to DevOps practices, CI/CD, containerization (Docker, Kubernetes).
    • Familiarity with cloud platforms (AWS, GCP, or Azure).
  • Engineering Practices: Strong fundamentals in system design, algorithms, and problem-solving.
  • Startup Mindset: Comfortable wearing multiple hats, working with ambiguity, and contributing beyond code when needed.
  • Soft Skills: Excellent communication, ability to work independently, and strong collaboration skills with non-technical stakeholders.

Salary : $170,000 - $220,000

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