Agent Platform Engineer jobs in United States
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Replit · 11 hours ago

Agent Platform Engineer

positionFoster City, CA
timeFull-time
remoteHybrid
senioritySenior Level
money$180K/yr - $260K/yr
date5+ years exp

Replit is a software creation platform that enables anyone to build applications using natural language. The role involves building tools that enhance the Agent experience, bridging the AI and UX teams, and tackling complex challenges across the full stack.

Artificial Intelligence (AI)Cloud ComputingDeveloper ToolsInformation TechnologySoftware
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Growth Opportunities
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H1B Sponsor Likelynote

Responsibilities

Build high-throughput backend applications and services, like streaming chat between user and agent
Design a collaborative "Multiplayer Computer" that lets humans and AI agents work together on shared shells, filesystems, and state—conflict-free and in real time
Develop infrastructure (frontend & backend) that empowers product engineers to rapidly ship delightful user experiences
Design and build durable, well-crafted interfaces between the Agent and internal systems, as well as external agentic systems (MCP)

Qualification

Backend services developmentFull-stack experienceAI powered toolingCollaborative editing technologiesEvent sourcing systemsSelf-directedFocus on automationProblem-solving mindsetCommunication skillsContinuous learning

Required

5+ years professional experience in building backend services, systems and platforms
Someone who values simplicity and pragmatism—you think radically but ship incrementally
Self-directed and comfortable working autonomously
Collaborative and team-oriented with a strong sense of shared ownership

Preferred

Experience across the full-stack
Experience building AI powered tooling or products
Experience with collaborative editing technologies such as Operational Transforms (OT), CRDTs, or the inner workings of Git
Experience with event sourcing systems

Benefits

Competitive Salary & Equity
401(k) Program
Health, Dental, Vision and Life Insurance
Short Term and Long Term Disability
Paid Parental, Medical, Caregiver Leave
Commuter Benefits
Monthly Wellness Stipend
Autonoumous Work Environement
In Office Set-Up Reimbursement
Flexible Time Off (FTO) + Holidays
Quarterly Team Gatherings
In Office Amenities

Company

Replit

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Replit is the most secure agentic platform for production-ready apps.
dateFounded in 2016
location
Foster City, California, USA
people-size51-200 employees
web-link
https://replit.com

H1B Sponsorship

Replit has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (8)
2024 (5)
2023 (2)
2022 (2)

Funding

Current Stage
Growth Stage
Total Funding
$472.02M
Key Investors
Prysm CapitalCraft VenturesAndreessen Horowitz
2025-07-30Series C· $250M
2023-11-06Series B· $20M
2023-04-25Series B· $97.4M

Leadership Team

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Amjad Masad
CEO
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Faris Masad
CO-founder and Engineer

Recent News

36kr.com
After laying off 50% of the staff, he achieved a remarkable comeback through AI programming. His Annual Recurring Revenue (ARR) exceeded 100 million, and the company's valuation soared to 60 billion.
2026-01-17
9to5mac
Replit now lets you vibe code iOS apps, but don’t get carried away
2026-01-17
thefly.com
AI startup Replit in talks to raise $400M at $9B valuation, Bloomberg reports
2026-01-16
Company data provided by crunchbase