Software Engineer - Full Stack
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Role Overview
We’re seeking a Full-Stack Engineer to design, build, and scale our web platform, which serves as the core interface for deploying multimodal models, observing workloads, and building agent workflows.
In this role, you’ll work closely with product, infrastructure, and design teams to create high-performance, developer-friendly, and enterprise-ready tools.
We are looking for a hands-on engineer who is eager to work at the intersection of infrastructure, developer experience, and AI applications.
The ideal candidate is a talented full-stack developer, strong collaborator, and someone who enjoys working across the stack, cares deeply about developer workflows, and is excited to help define the future of AI adoption.
Key Skills for This Role
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About the Job
We’re seeking a Full-Stack Engineer to design, build, and scale our web platform, which serves as the core interface for deploying multimodal models, observing workloads, and building agent workflows. In this role, you’ll work closely with product, infrastructure, and design teams to create high-performance, developer-friendly, and enterprise-ready tools.
We are looking for a hands-on engineer who is eager to work at the intersection of infrastructure, developer experience, and AI applications. The ideal candidate is a talented full-stack developer, strong collaborator, and someone who enjoys working across the stack, cares deeply about developer workflows, and is excited to help define the future of AI adoption.
Key Responsibilities
- Design, build, and maintain web applications and tools for AI model deployment, monitoring, and performance optimization
- Develop clean, scalable, and robust APIs powering AI agents, workflows, and user-facing systems
- Collaborate with infrastructure engineers to integrate backend systems with deployment and orchestration pipelines
- Optimize the performance and usability of web interfaces
- Drive code quality through automated testing, CI/CD, and code reviews
- Contribute to architecture and design decisions that shape our platform’s long-term direction
- Identify and resolve technical debt and improve system reliability in production systems
Qualifications
- 5+ years of industry experience in full-stack or backend engineering
- Bachelor’s or Master's degree in Computer Science, Computer Engineering, or equivalent
- Fluent in TypeScript and Python, Expert with React/Next.js
- Strong backend experience with FastAPI or similar Python frameworks
- Proven expertise in delivering production-scale full-stack applications
- Proficiency in designing data models, writing SQL, and working with PostgreSQL
- Deep understanding of modern web frameworks and component-driven architecture
- Strong API design experience across gRPC/REST/GraphQL in production systems
- Solid foundation in cloud-native development
- Familiarity with OpenTelemetry tracing, metrics, and structured logging
- Knowledge of web security, authentication, RBAC, and multi-tenant SaaS systems
Preferred Experience
Familiarity with LLM-based workflows, tool invocation, or agentic systems
Familiarity with Kubernetes for container orchestration, including deploying, scaling, and managing containerized applications in production environments
Have worked in a startup or fast-paced environments with ownership and ambiguity
Built developer-facing SDKs/CLIs
Passion for developer experience and enabling AI adoption
Benefits
- Flexible working hours
- Daily lunch and dinner provided; unlimited snacks and beverages
- Supportive and highly collaborative work environment
- Health check-up support and top-tier equipment/hardware support
- A front-row seat to the generative AI infrastructure revolution
- Competitive compensation, startup equity, health insurance, and other benefits.
About FriendliAI
FriendliAI is building the world’s best AI inference platform that makes large language and multi-modal models fast, efficient, and deployable at scale. We power high-throughput, low-latency AI workloads for organizations worldwide and integrate directly with Hugging Face, giving developers instant access to over 500,000 open-source models.
We are a small, fast-moving team doing work that matters at one of the most exciting moments in the history of technology. With our world-class inference engine, we are building a platform that the AI industry can actually rely on.
About FriendliAI
FriendliAI is a private AI inference platform for enterprises deploying, scaling, and monitoring large language and multimodal models.
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