Member of Technical Staff (Full Stack)

Fireworks AI; United States; On-site; USD 150,000 - 190,000; Full time

Job summary

Fireworks AI is seeking a Full Stack Software Engineer to architect, build, and scale fireworks.ai, shaping the end-to-end technical stack from UI to API and data layer. You will own the developer journey, deliver performant web apps, and guide a growing team in a fast-paced AI‑driven environment.

This role blends hands-on coding with technical leadership, mentoring engineers, driving architectural standards, and collaborating with Product, Design, and Core AI/Infrastructure teams to ship

Qualifications

• 6+ years of professional experience in full-stack software development.
• Experience delivering scalable, production-grade web applications.
• Strong leadership or tech lead experience.
• Experience in AI/ML‑focused environments is a plus.
• Bachelor’s degree or equivalent practical experience.

Responsibilities

• Architect and scale fireworks.ai end-to-end.
• Mentor a team of frontend and backend engineers.
• Design robust APIs and data models.
• Collaborate cross-functionally with Product, Design, and AI infra.
• Own CI/CD pipelines and cloud infrastructure.

Skills

Full stack

Frontend

Backend

API design

REST/GraphQL

React

TypeScript

Next.js

Node.js

Python

Go

Cloud

Docker

CI/CD

Leadership

Mentorship

Architecture

AI/ML

LangChain

LlamaIndex

Education

Bachelor's degree in Computer Science or related field

Tools

Docker

LangChain

LlamaIndex

Node.js

Python

Go

React

Next.js

Job description

• We are looking for a Full Stack Software Engineering to architect, build, and scale our developer-focused web application (fireworks.ai) and shape our end-to-end technical architecture
• This role blends hands-on engineering with technical leadership, offering the opportunity to mentor other engineers, collaborate cross-functionally, and drive innovation in a fast-paced, AI-focused environment
• You’ll play a key role in delivering scalable, elegant, and highly performant solutions that directly impact our hundreds of thousands of developers and product vision
• You will be directly shaping and shipping the most optimal developer journey—spanning intuitive front-end interfaces, robust APIs, and efficient backend orchestration—combined with our large offering of open-source generative AI models, enabling our users to seamlessly build, experiment, and ship their AI workflows with our playground
• End-to-End Ownership: Engineering ownership of fireworks.ai from the user interface down to the API and data layer, with a strong focus on a delightful developer journey
• Product-Led Growth: Participate in the team’s shared accountability for product-led growth through the web application, model playground, and seamless user onboarding workflows
• Full Stack Development: Design, develop, and test responsive, performant web applications alongside robust, scalable backend services and APIs
• Leadership & Mentorship: Mentor and support a team of full stack, frontend, and backend engineers through code reviews, pair programming, and ongoing technical coaching
• Architectural Excellence: Define and implement full stack architectural standards, API design best practices, database schemas, and modern development workflows
• Cross-Functional Collaboration: Partner with Product, Design, and Core AI/Infrastructure Engineering to align on requirements, system design, timelines, and delivery expectations
• Systems & Components: Build and maintain reusable, scalable frontend component libraries while ensuring backend services are modular and easily integrated
• Unified Developer Experience: Partner with other engineering teams to build an aligned developer journey across web, SDK, and CLI surfaces
• Quality & Performance: Champion application performance, security, data integrity, and accessibility across the entire software stack
• Innovation: Drive innovation by staying informed of emerging full stack trends, cloud-native technologies, and AI orchestration frameworks

Architecture & Devops: Experience with modern cloud infrastructure (AWS, GCP, or OCI), containerization (Docker), and full stack CI/CD pipelinesExperience: 6+ years of professional experience in full stack software developmentTrack Record: Proven track record of delivering and scaling production‑grade, full stack web applicationsBackend Proficiency: Strong expertise in building server‑side applications, designing RESTful or GraphQL APIs, and working with modern backend languages (e.g., Node.js, Python, Go)Data Management: Solid understanding of database systems (SQL/NoSQL), caching strategies, and data modelingEducation: Bachelor’s degree in Computer Science or a related field, or equivalent practical experienceLeadership: 2+ years of experience in a technical leadership role (e.g., tech lead, team lead, or engineering manager)Frontend Proficiency: Strong expertise in React, TypeScript, JavaScript, and Next.jsAI/ML Domain Knowledge: Experience working in AI/ML‑focused environments, or interacting with LLM APIs, vector databases, and model orchestration tools (e.g., LangChain, LlamaIndex)Startup Agility: Prior startup experience—especially as a technical founder or early engineer—is a major plusPeople Growth: Experience managing or mentoring other engineers, including providing performance feedback and supporting career developmentDeveloper Tooling: Prior experience building developer platforms, SaaS dashboards, or complex interactive environments like playgrounds and sandboxesOpen Source: Contributions to open‑source projects, internal component libraries, or developer tools