[Remote] Staff Backend Engineer - Commerce

Note: The job is a remote job and is open to candidates in USA. Together AI is a research-driven artificial intelligence company focused on creating open and transparent AI systems. They are seeking a Staff Backend Engineer to lead the technical vision and architecture of their commerce platform, ensuring robust and scalable backend solutions that enhance customer experience and drive revenue.ResponsibilitiesDefine and own the technical roadmap for Together's monetization and billing pipeline infrastructure, spanning usage metering, contract billing, entitlements, spend governance, and payments processingLead architecture reviews for major systems investments, ensuring long-term scalability, correctness, and maintainability across the commerce stackDrive cross-functional alignment with Product, Finance, and Go-To-Market teams — translating business strategy into clear engineering requirements and system designsMentor and grow engineers on the team through design feedback, code reviews, technical coaching, and setting high standards for craftOwn data modeling and schema design for core commerce entities, making principled tradeoffs between flexibility, performance, and correctnessEstablish and evolve API contracts in collaboration with client engineering teams, enabling high-quality customer-facing product experiencesChampion reliability and scalability — lead incident response, drive postmortems, and systematically improve the resilience of commerce APIs and distributed systemsIdentify and reduce technical debt proactively, balancing pragmatic delivery with sustainable engineering practicesSkills8+ years of experience building large-scale, fault-tolerant API-driven services and backend systemsDemonstrated track record of tech lead or staff-level scope — owning system architecture decisions, influencing team direction, and delivering multi-quarter initiativesDeep expertise in designing relational database schemas and backend APIs that support complex product and business requirements at scaleStrong experience leading and influencing cross-functional teams — comfortable partnering with product, finance, and non-technical stakeholdersExpert-level proficiency in one or more of Golang, TypeScript, Python, C++, or JavaDeep knowledge of distributed systems tradeoffs: consistency, availability, fault tolerance, and performance at scaleStrong understanding of low-level systems concepts: multi-threading, memory management, networking, storage, and I/OExperience with infrastructure as code (Terraform, AWS CDK, Pulumi) and mature CI/CD workflowsBachelor's or Master's degree in Computer Science, Computer Engineering, or equivalent practical experienceExperience with payment processors (e.g. Stripe) and billing systems strongly preferredExperience with Kubernetes and containerized deployments a plusBenefitsCompetitive compensationStartup equityHealth insuranceOther competitive benefitsCompany OverviewTogether AI is a cloud-based platform designed for constructing open-source generative AI and infrastructure for developing AI models. It was founded in 2022, and is headquartered in San Francisco, California, USA, with a workforce of 201-500 employees. Its website is https://www.together.ai.Company H1B SponsorshipTogether AI has a track record of offering H1B sponsorships, with 8 in 2026, 19 in 2025, 6 in 2024, 3 in 2023. Please note that this does not guarantee sponsorship for this specific role.