How do I apply for this Senior Backend Engineer - Commerce position?

Click the "Apply Now" button on the job listing page to be directed to the application. You will be taken to the employer's application page.

Is this position remote?

This role is based in San Francisco. Check the full description for remote or hybrid options.

The listed salary range for this position is $160,000 - $250,000. Final compensation may vary based on experience, qualifications, and location.

This position was posted 3 days ago. We recommend applying promptly as positions can fill quickly.

Together AI is seeking a Senior Backend Engineer to shape, build, and scale the commerce platform that drives our Together’s Cloud products. As a member of the Commerce Engineering team, you will develop and work on mission-critical commerce capabilities including usage-based billing, payment processing, customer-facing analytics, and product entitlements. This role is ideal for an engineer who enjoys working close to the product surface: defining data models, designing clean backend APIs, and partnering closely with Product, Product Engineering, and other cross-functional teams to turn business requirements into reliable, scalable systems. You will help translate product and pricing strategy into durable backend primitives that directly impact revenue and customer experience.
Together AI is a research-driven artificial intelligence company. We believe open and transparent AI systems will drive innovation and create the best outcomes for society, and together we are on a mission to significantly lower the cost of modern AI systems by co-designing software, hardware, algorithms, and models. We have contributed to leading open-source research, models, and datasets to advance the frontier of AI, and our team has been behind technological advancement such as FlashAttention, Hyena, FlexGen, and RedPajama. We invite you to join a passionate group of researchers and engineers in our journey in building the next generation AI infrastructure.

Design and build foundational backend services that power Together’s monetization and commerce stack, including billing, payments, entitlements, and usage tracking
Partner cross-functionally with Product Managers, Finance, and Go-To-Market teams to understand requirements and deliver systems aligned with business goals
Own data modeling and schema design for core commerce entities, ensuring correctness, scalability, and long-term flexibility
Define and evolve backend API contracts in close collaboration with client engineers, enabling high-quality customer-facing product experiences
Analyze and improve the scalability, reliability, and performance of existing commerce APIs, databases, and distributed systems
Participate in design reviews, code reviews, documentation, and incident response to uphold a high engineering bar

5+ years of experience building large-scale, fault-tolerant API-driven services and backend systems
Strong experience designing relational database schemas and backend APIs that support product and business requirements
Proven ability to work cross-functionally with product and client engineering teams to deliver end-to-end features
Deep understanding of system scalability, reliability, and performance tradeoffs in distributed systems
Excellent understanding of low level operating systems concepts including multi-threading, memory management, networking and storage, performance and scale
Expert-level proficiency in one or more of Golang, TypeScript, Python, C++, or Java
Experience with infrastructure as code (Terraform, AWS CDK, Pulumi) and CI/CD workflows
Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or a related technical field, or equivalent practical experience