Modal

Member of Technical Staff - Product (Backend)

Modal2 months ago
Location

New York

Type

Full Time

Salary

USD 150,000 – 300,000

Level

Senior

Role

Backend Engineer

Posted

Jan 9, 2026

Full TimeSenior

The role

Summary

Modal is seeking a talented Backend Engineer to join their rapidly growing AI infrastructure platform. The ideal candidate will develop scalable developer tools for cutting-edge AI workloads, working across the full technology stack to build robust, high-performance systems that support the world's leading AI companies.

What you'll do

Developer Tools Development: Build scalable infrastructure for AI companies' development workflows
System Architecture: Design and implement robust backend services supporting complex AI workloads
Performance Optimization: Create high-performance systems with efficient resource utilization
Customer-Centric Solution Design: Develop solutions that directly address customer technological challenges

What we look for

Technical

Full Stack ProficiencyComprehensive understanding of web application development across TypeScript, Python, and data platforms
Infrastructure ScalabilityExperience designing systems for large-scale computational workloads

Education

Computer ScienceBachelor's or equivalent practical experience in software engineering or related field

Experience

Production SystemsDemonstrated history of building and shipping end-to-end web applications
AI/ML InfrastructureHands-on experience with AI model training, inference, or related infrastructure

Skills

Required skills

Web Application DevelopmentEnd-to-end modern web application development experience
Full Stack DevelopmentAbility to work across frontend and backend technologies
PythonBackend service development using Python
ObservabilityDeep understanding of large-scale workload monitoring and tooling

Nice to have

B2B SaaSExperience with enterprise software and B2B tooling
Machine Learning InfrastructureKnowledge of LLM and diffusion model infrastructure
Payment SystemsExperience with billing and payment system design

Compensation & benefits

Salary

USD 150,000 – 300,000 (annual)

Stock options

Available

Benefits

Equity

Stock options in a high-growth AI infrastructure startup

Remote Flexibility

Hybrid work model with NYC office presence

Cutting-Edge Technology

Work with advanced AI and cloud infrastructure technologies

Professional Growth

Opportunities to work with creators of popular open-source projects

Interview process

  1. 1
    Initial Screening — Resume and background review
  2. 2
    Technical Phone Screen — Discussion of technical experience and problem-solving approach
  3. 3
    Technical Interview — In-depth coding and system design assessment
  4. 4
    Team Fit Interview — Evaluation of collaboration and product thinking skills
  5. 5
    Final Interview — Meeting with engineering leadership
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Modal

Modal

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Modal is a cloud computing platform that enables developers to build, deploy, and scale applications without managing underlying infrastructure. The company provides serverless computing solutions that allow developers to run code on demand, handle background jobs, and deploy machine learning models with minimal operational overhead. Modal serves software developers and organizations looking to streamline their application development and deployment processes in the cloud.

San Francisco, USAFounded 2021modal.com

Tech Stack

Languages
TypeScriptPython
Databases
ClickHouse
Tools
Observability Tools
Other
AI Infrastructure
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