AI Founding Software Engineer - Full Stack Job at twentyAI, San Francisco, CA

WmxScXh2Z0EvVVhSMGhweWg5QTVhRFlKU0E9PQ==
  • twentyAI
  • San Francisco, CA

Job Description

AI Founding Software Engineer (Full Stack) – Join a High-Impact Startup!

Location: San Francisco (3 days onsite)

Employment Type: Full-time, Salaried + Bonus + Equity

About the Role

Are you an ambitious full-stack engineer looking to make a significant impact in the AI space? Join our fast-growing startup as a Founding Software Engineer and help us build an AI-powered voice agent platform that’s revolutionizing call automation. You'll take ownership of core technical projects, build scalable systems, and shape the future of voice AI!

What You’ll Do

  • Architect, develop, and maintain high-performance systems for real-time AI-driven call processing.
  • Guide junior engineers and establish best practices for a top-tier engineering culture.
  • Design APIs, microservices, and data pipelines that power our cutting-edge AI platform.
  • Work closely with product managers, designers, and cross-functional teams to deliver impactful features.
  • Continuously enhance system performance, security, and reliability to support our growing customer base.
  • Provide direct technical support when needed and collaborate with sales and customer success teams to ensure smooth onboarding.

What We’re Looking For

  • 1+ years in full-stack or backend development.
  • Strong programming skills in Python, JavaScript, TypeScript, or Go.
  • Familiarity with AWS, GCP, or Azure, plus experience with Docker & Kubernetes.
  • Proficiency in SQL & NoSQL databases with a focus on efficient data models.
  • Ability to debug complex issues and optimize system performance.
  • A founder-like mindset with autonomy in decision-making.
  • Excellent communication skills and adaptability in a fast-paced environment.

Bonus Points

  • Startup experience or working in a fast-growing company.
  • Background in AI, NLP, speech recognition, or call automation.
  • Strong frontend skills in React, Next.js, or modern frameworks.
  • Experience managing cloud infrastructure, CI/CD, and DevOps best practices.

Why Join Us?

  • Work on game-changing AI technology.
  • Be a key player in shaping our product, culture, and technical direction.
  • Competitive salary, equity, and top-tier benefits (healthcare, meals, gym reimbursements).
  • Own high-impact projects and grow with a well-funded, fast-scaling startup.

Join us and help shape the future of AI-powered automation!

Job Tags

Full time,

Similar Jobs

Warren Transport, Inc.

Fleet Manager Job at Warren Transport, Inc.

 ...culture, all employees are expected to consistently, effectively and reliably perform in accordance with the Companys values. The Fleet Manager is responsible for balancing the needs of fleet safety, drivers and maximizing production, by being held accountable for all... 

OysterLink

Server Job at OysterLink

About the job OysterLink is the go-to website for sourcing top-tier jobs in the hospitality industry. Were looking for a Carhop to join the team at DJs Drive-In in Floyd, VA. If you are an upbeat, customer-focused and team-oriented individual, then wed love to hear...

Home Health Care, Inc.

Hospice RN - Admissions Specialist Job at Home Health Care, Inc.

 ...offered throughout a 21-county service area. Position Summary: We are seeking a skilled and compassionate Admissions Nurse (RN) to serve as the face of our hospice team across communities in the Greater Twin Cities. This is a road warrior position perfect... 

Lakeshore Talent

Corporate Receptionist/ Admin Support Job at Lakeshore Talent

 ...Support Location: Denver, CO | Pay: $24$28/hour | Schedule: MTh 8:00 a.m.5:00 p.m., Fri 8:00 a.m.1:00 p.m. (100% onsite) Parking provided Lakeshore Talent is partnering with a well-established, highly respected oil and gas company in Denver to fill a full... 

Soccer Shots Los Angeles

Fall 2025 Sports Management Paid Internship Job at Soccer Shots Los Angeles

 ...SOCCER SHOTS BALTIMORE-WASHINGTON SPORTS MANAGEMENT INTERNSHIP WHAT IS SOCCER SHOTS?: Soccer Shots is the leader in youth soccer development. Our nationally recognized program offers a high energy, fun, age-appropriate introduction to the wonderful game of soccer...