Sphere

Build Sphere’s outbound sales engine by identifying target accounts, engaging senior finance leaders, and creating qualified pipeline through research and creative prospecting. The role offers exposure to the full sales cycle and a path toward an Account Executive position.

The Founding Account Executive will own full-cycle B2B SaaS sales, from outbound prospecting through expansion, while building go-to-market processes and supporting the broader sales function. The role requires SMB and mid-market selling experience and early-stage startup experience.

Reviews and validates AI-generated indirect tax determinations, identifies errors and edge cases, conducts tax research, and improves the underlying tax taxonomy. Requires 4+ years of indirect tax experience, strong attention to detail, and international tax familiarity.

Review and validate high-volume determinations from Sphere's AI tax engine (TRAM) for indirect taxes like sales tax, VAT, and GST. Flag errors to improve the system, conduct research for complex cases, and contribute to tax taxonomy as the internal SME. Requires 4+ years indirect tax experience, precision at speed, and a global mindset.

Serve as tax subject matter expert partnering with Customer Success to help customers navigate complex tax compliance using Sphere's AI platform. Troubleshoot issues, translate feedback to product improvements, create documentation, and support implementations and escalations. Requires 4+ years in tax operations/compliance.

Lead global e-invoicing strategy at Sphere, translating complex indirect tax and digital reporting regulations into scalable product features and roadmaps in partnership with Product and Engineering teams. Requires 8+ years in global tax compliance including 3+ years direct e-invoicing experience across multiple countries.

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.

Build and own the internal GTM infrastructure powering CRM, outbound, paid acquisition, SEO/GEO, and growth channels at an early-stage AI compliance startup.

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.

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.

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 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.

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.

The Founding Account Executive will drive full-cycle B2B SaaS sales across European SMB and mid-market accounts while building GTM processes with the Founder. The role requires early-stage startup experience and the ability to sell to finance stakeholders.

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 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.