Together AI is hiring a Staff Engineer to own and evolve the core product runtime that powers our Cloud application surfaces. This role sits at the intersection of infrastructure and application architecture and is responsible for ensuring systems are stable, scalable, and cleanly structured as we grow. You will lead the technical evolution of our production runtime and application architecture, strengthening the foundation product engineers build on.
What You'll Do
- Own the evolution of the product runtime and application architecture, ensuring systems are resilient, scalable, and production-ready.
- Drive structural improvements within the existing web application, improving system boundaries, performance, and long-term maintainability.
- Lead initiatives that strengthen production stability, performance, and reliability across the application layer.
- Define and evolve runtime architecture patterns for server-side behavior, request handling, and scaling.
- Improve deployment safety, release confidence, and environment consistency across product engineering.
- Establish strong observability practices across the application stack, including logging, metrics, tracing, and debuggability.
- Identify and address structural bottlenecks that slow development or introduce operational risk.
- Partner with the API Platform team to help extract and separate API responsibilities from the application layer.
- Collaborate with the UI Platform team on runtime performance, framework behavior, and production characteristics of the web stack.
- Drive performance optimization efforts across the application tier, including latency reduction, scaling behavior, and resource efficiency.
- Improve CI/CD architecture and operational maturity to support fast, safe iteration.
- Mentor engineers and influence architectural direction across teams.
What We're Looking For
- 8+ years of experience building and operating large-scale production systems.
- Strong hands-on experience with Node.js in production environments.
- Strong proficiency with TypeScript in large, complex codebases.
- Proven experience evolving real-world systems into stable, scalable platforms.
- Deep understanding of system design, performance, and reliability at production scale.
- Experience improving runtime stability, performance, and operational maturity of server-side systems.
- Experience working across application and infrastructure layers.
- Demonstrated ability to drive architectural change across teams without formal authority.
- Strong experience with CI/CD systems, deployment workflows, and production operations.
- Experience establishing or improving observability (logging, metrics, tracing) in production environments.
- Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or equivalent practical experience.
Nice to Have
- Experience with Next.js and/or React in large-scale production environments.
- Experience evolving monolithic web applications into modular or service-oriented architectures.
- Experience operating production workloads in Kubernetes-based environments.
- Experience optimizing SSR performance and server-side runtime behavior.
- Experience improving system performance under high request volume and growth.
- Experience with Golang.
Technical Stack
- Node.js
- TypeScript
- Next.js
- React
- Kubernetes
- Golang
Benefits & Compensation
- Salary: $240,000 - $275,000 + startup equity.
- Health insurance.
- Other competitive benefits.
Together AI is an Equal Opportunity Employer and is proud to offer equal employment opportunity to everyone regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, veteran status, and more.
