VAT Lead
International VAT/GST subject matter expert collaborating with AI and engineering teams to expand a global tax engine for cross-border compliance.
Sphere
AI-powered global tax compliance platform
fintechSan Francisco, CA1-50Series AOnsiteFounded 2021Salary transparent
About
Sphere builds an AI-native platform that automates sales tax, VAT, and GST compliance including registration, calculation, filing, and remittance across 100+ jurisdictions. It serves fast-growing tech companies expanding internationally, such as ElevenLabs, Replit, and Deel. The proprietary TRAM AI engine interprets tax laws to ensure accurate determinations, reducing manual work for finance teams.
Tech stack
PythonDjangoReactPostHogSEOSocial MediaKubernetesAWSGCPAzurePostgreSQLTerraformTemporalECSEKSRAG
Open roles 12
SALT Lead
Lead U.S. sales and use tax matters as primary SME, translating complex tax rules into scalable product and operational solutions while partnering with Product, Engineering, and Customer Success.
GTM Engineer
Build and own the internal GTM infrastructure powering CRM, outbound, paid acquisition, SEO/GEO, and growth channels at an early-stage AI compliance startup.
AI Agent Infrastructure Lead
Leads development of internal AI agent infrastructure ("Goose") to boost velocity across engineering, ops, and other teams. Builds safe, autonomous agent workflows for codebase inspection, testing, and complex tasks with strong focus on safety and accuracy.
Founding Forward Deployed Engineer
Embeds with strategic customers to understand cross-border compliance workflows, builds custom features and integrations on the Sphere platform, and bridges customer needs to the engineering roadmap. Defines forward-deployed processes in early-stage AI trade compliance startup.
Founding CSM
Builds the foundational Customer Success function at an early-stage startup, handling full customer lifecycle from issue triaging and technical implementation to process creation and contract expansion. Requires early-stage experience owning CS processes with comfort in admin tools and APIs.
Senior Backend Engineer (Infrastructure)
Build and scale infrastructure for high-availability, low-latency tax compliance platform handling millions of global transactions. Manage Kubernetes clusters, Postgres at scale, and cloud-native services while participating in on-call and collaborating with customers.
Founding Growth Lead
Founding Growth Lead partners with founder to amplify brand messaging, build direct (social, SEO, product-led) and partner channels, and establish international GTM operations to scale to $100M+ ARR at early-stage AI compliance startup. Requires early-stage experience and vocal social presence.
Lead AI Engineer
Leads development of proprietary AI reasoning model TRAM for interpreting global trade law, building data pipelines, fine-tuning LLMs, and evaluation frameworks for high-speed, accurate compliance determinations. Requires AI product experience, especially RAG systems and model fine-tuning.
Senior Full Stack Engineer
Builds and owns new product lines like input tax and e-invoicing, plus mission-critical platform features like filing infrastructure and AI components using Python/Django. Ships high-impact features, works directly with customers, and mentors engineers in a fast-paced early-stage environment.
Founding Product Engineer
Founding product engineer owns customer experience and ships frontend features end-to-end using React, collaborates with design via Figma, engages directly with finance customers, and co-owns product roadmap in early-stage AI compliance startup. Requires strong attention to detail and customer obsession.
Chief of Staff
Chief of Staff works directly with CEO on GTM, ops, finance, tax, automating client operations, revops/sales ops setup, compliance research, KPI tracking, and business automation in fast-paced early-stage AI compliance startup. Requires high drive, detail-orientation, and onsite presence.