Weekday (YC W21)

Founding Engineer

Weekday (YC W21)

full-time

Posted on:

Location Type: Remote

Location: India

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Salary

💰 ₹3,000,000 - ₹6,000,000 per year

About the role

  • Take full ownership of backend architecture and development using Python (FastAPI).
  • Build scalable APIs, services, and data pipelines to power high-performance products.
  • Collaborate with product and design teams to translate user needs into technical solutions.
  • Participate in architecture and design decisions to ensure system performance, scalability, and security.
  • Set up CI/CD pipelines, testing frameworks, and monitoring systems for a robust engineering foundation.
  • Identify and solve core technical challenges proactively.
  • Establish engineering best practices and foster a quality-driven development culture.
  • Mentor future engineering hires and help scale the team.

Requirements

  • 5+ years of hands-on software engineering experience, preferably in fast-paced startup environments.
  • Strong proficiency in Python, with deep expertise in FastAPI.
  • Solid understanding of API development, async programming, and modern web services.
  • Experience with relational and NoSQL databases (e.g., PostgreSQL, MongoDB).
  • Experience deploying and managing applications in cloud environments (AWS/GCP/Azure).
  • Strong understanding of system design, architecture, and backend performance optimization.
  • Familiarity with Git, CI/CD, Docker, and containerized deployments.
  • Self-starter who thrives in ambiguity and takes end-to-end ownership.
  • Excellent communication and collaboration skills.
  • Preferred Qualifications
  • Prior experience as a founding engineer or early-stage team member.
  • Exposure to frontend technologies (React/Next.js) is a plus.
  • Familiarity with analytics, event-driven systems, or microservices architecture.
  • Experience integrating third-party APIs or building platforms with external integrations.
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
PythonFastAPIAPI developmentasync programmingPostgreSQLMongoDBcloud environmentssystem designbackend performance optimizationmicroservices architecture
Soft Skills
communicationcollaborationself-starterownershipmentoringproblem-solvingquality-driven developmentadaptabilityteam scalingproactive