{"version":"0.1","company":{"name":"YubHub","url":"https://yubhub.co","jobsUrl":"https://yubhub.co/jobs/city/san-francisco-hq"},"x-facet":{"type":"city","slug":"san-francisco-hq","display":"San Francisco Hq","count":7},"x-feed-size-limit":100,"x-feed-sort":"enriched_at desc","x-feed-notice":"This feed contains at most 100 jobs (the most recently enriched). For the full corpus, use the paginated /stats/by-facet endpoint or /search.","x-generator":"yubhub-xml-generator","x-rights":"Free to redistribute with attribution: \"Data by YubHub (https://yubhub.co)\"","x-schema":"Each entry in `jobs` follows https://schema.org/JobPosting. YubHub-native raw fields carry `x-` prefix.","jobs":[{"@context":"https://schema.org","@type":"JobPosting","identifier":{"@type":"PropertyValue","name":"YubHub","value":"job_60d9a00e-729"},"title":"AI Agent Infrastructure Lead","description":"<p>We&#39;re looking for an engineer to lead our internal AI agent enablement efforts. You&#39;ll build the systems that let AI agents safely and effectively increase velocity across Sphere, starting with engineering and expanding into ops, customer success, tax research, and implementation workflows.</p>\n<p>Within days: Ship AI agent features that help Sphere&#39;s engineering team use agents more effectively and responsibly. Iterate on versions of Sphere&#39;s agent sandbox environments. Create workflows where agents can inspect the codebase, run local infrastructure, make changes, run tests, and prepare work for human review. Work directly with engineers to identify high-leverage internal workflows where agents can create immediate velocity.</p>\n<p>Within months: Lead Sphere&#39;s internal efforts to enable AI agents to act more autonomously across engineering, ops, customer success, tax research, and implementation. Build &#39;Goose&#39; for Sphere: the internal AI agent layer that helps agents understand and operate across Sphere&#39;s systems. Own the infrastructure, tooling, and workflows that let agents safely take on more complex internal work over time. Establish the patterns for how Sphere uses agents internally, including context, permissions, review, observability, and escalation.</p>\n<p style=\"margin-top:24px;font-size:13px;color:#666;\">XML job scraping automation by <a href=\"https://yubhub.co\">YubHub</a></p>","url":"https://yubhub.co/jobs/job_60d9a00e-729","directApply":true,"hiringOrganization":{"@type":"Organization","name":"Sphere","sameAs":"https://sphere.com","logo":"https://logos.yubhub.co/sphere.com.png"},"x-apply-url":"https://jobs.ashbyhq.com/sphere/9e1defbe-b135-4117-90b0-06548fa75fa7?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply","x-work-arrangement":"onsite","x-experience-level":"senior","x-job-type":"Full time","x-salary-range":"$230K – $260K","x-skills-required":["Experience building production-quality software","Experience in AI agents, coding agents, internal developer tooling, or AI agent enablement","Comfort working across backend systems, infrastructure, local development environments, CI, and internal tools","Strong judgment around autonomy, safety, permissions, and human review","High agency. 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Working directly with our Founder, Engineering team, and GTM teams, you&#39;ll define how Sphere shows up in customer environments and shape what the forward-deployed motion looks like as we scale. This is a rare opportunity to have an outsized influence on both the product and the customer experience.</p>\n<p>This role is ideal for engineers who thrive on owning problems end-to-end, from discovery to deployment, and who are energized by the challenge of translating intricate, jurisdiction-specific regulatory requirements into elegant, production-grade software. We&#39;re looking for someone who is as comfortable in a customer conversation as they are in a codebase, and who brings the same rigor to building internal processes as they do to solving customer problems.</p>\n<p><strong>Enablement</strong></p>\n<ul>\n<li>Onboard customers pre-contract, get accounts functional in Sphere</li>\n<li>Navigate customer billing system integrations</li>\n<li>Pull and interpret liability reports, help customers understand exposure</li>\n<li>Guide clients through the complexity of understanding and managing their global tax liability</li>\n<li>Guide customers through VAT ID collection, address hygiene, and regional compliance</li>\n</ul>\n<p><strong>Monetization</strong></p>\n<ul>\n<li>Bridge between customer needs and the engineering roadmap</li>\n<li>Be entrenched with the customer by ensuring Sphere is integral to all of the company’s revenue compliance needs</li>\n<li>Research new compliance requirements (e-invoicing, input tax, etc.) end to end</li>\n<li>Identify patterns across customers - what custom work is being requested repeatedly</li>\n<li>Scope and write tight technical PRDs/proposals ready to hand to core engineering</li>\n<li>Build custom features and integrations on top of the Sphere platform for key accounts</li>\n<li>Identify custom builds that could be scaled and deployed across all customers as new features or products</li>\n</ul>\n<p><strong>Requirements</strong></p>\n<ul>\n<li>Experience in an FDE or customer-facing engineering role.</li>\n<li>Experience executing and shipping bespoke customer features, end-to-end.</li>\n<li>Ownership. 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The speed and density of collaboration we need doesn&#39;t survive over video.</p>\n<p style=\"margin-top:24px;font-size:13px;color:#666;\">XML job scraping automation by <a href=\"https://yubhub.co\">YubHub</a></p>","url":"https://yubhub.co/jobs/job_fb2efdf0-eb3","directApply":true,"hiringOrganization":{"@type":"Organization","name":"Sphere","sameAs":"https://sphere.com","logo":"https://logos.yubhub.co/sphere.com.png"},"x-apply-url":"https://jobs.ashbyhq.com/sphere/a19140ed-172e-4d89-a3d8-27cdc0d369fd?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply","x-work-arrangement":"onsite","x-experience-level":"senior","x-job-type":"Full time","x-salary-range":"$240K – $280K","x-skills-required":["Python","Django","React"],"x-skills-preferred":["large volumes of transaction data","Django or Python ORM"],"datePosted":"2026-04-24T11:20:29.474Z","jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"San Francisco HQ"}},"employmentType":"FULL_TIME","occupationalCategory":"Engineering","industry":"Technology","skills":"Python, Django, React, large volumes of transaction data, Django or Python ORM","baseSalary":{"@type":"MonetaryAmount","currency":"USD","value":{"@type":"QuantitativeValue","minValue":240000,"maxValue":280000,"unitText":"YEAR"}}},{"@context":"https://schema.org","@type":"JobPosting","identifier":{"@type":"PropertyValue","name":"YubHub","value":"job_d0a30328-204"},"title":"Lead AI Engineer","description":"<p>We&#39;re looking for a Lead AI Engineer to join our team. As a Lead AI Engineer, you&#39;ll lead development of TRAM, our proprietary AI reasoning model that reads and interprets global trade law. This isn&#39;t a lookup problem, it&#39;s a reasoning problem , and it only became solvable with LLMs.</p>\n<p>You&#39;ll build the data pipelines that ingest legal sources, the model stack that produces structured evidence, the evaluation frameworks that measure accuracy, and the fine-tuning loops that improve performance. The unusual constraint: you need speed, scale, correctness, and robustness simultaneously , at millisecond latency, zero downtime, heading toward billions of transactions where a single error costs a customer $20K.</p>\n<p>Within weeks:</p>\n<ul>\n<li>Lead development of new features aimed at increasing TRAM’s test-time accuracy</li>\n<li>Work on the underlying data and retrieval pipelines that help power our AI workflows</li>\n<li>Work directly with our internal tax experts to understand how TRAM can better reason like them</li>\n</ul>\n<p>Within months:</p>\n<ul>\n<li>Own TRAM’s eval framework and workflows</li>\n<li>Work directly with leading frontier labs to reinforce fine tune models on our proprietary data</li>\n</ul>\n<p>Requirements:</p>\n<ul>\n<li>Prior experience building AI enabled products, particularly RAG systems</li>\n<li>Experience fine tuning base models, ideally via RFT</li>\n<li>Willingness to dive into tax technical problems - if you aren’t willing to dive deep on how the model should reason through the tax research process you won’t be effective</li>\n<li>A strong understanding of how LLMs and reasoning models function</li>\n</ul>\n<p>Nice to haves:</p>\n<ul>\n<li>Experience working with LLMs on legal applications</li>\n<li>Experience with RAG data pipelines and collecting/curating data for the pipeline</li>\n</ul>\n<p>Who you are:</p>\n<ul>\n<li>You&#39;ll thrive here if: you&#39;re a dog, early stage is in your bones, you own it end to end, you believe speed and accuracy are both possible, and being in the room is a feature, not a cost.</li>\n<li>This won&#39;t be a fit if: you need structure handed to you or ambiguity feels draining rather than motivating, you want to manage people more than own hard problems, you&#39;re used to &#39;good enough&#39; shipping, or being in the room five days a week feels like a cost instead of a benefit.</li>\n</ul>\n<p>Compensation Range: $250K - $300K</p>\n<p style=\"margin-top:24px;font-size:13px;color:#666;\">XML job scraping automation by <a href=\"https://yubhub.co\">YubHub</a></p>","url":"https://yubhub.co/jobs/job_d0a30328-204","directApply":true,"hiringOrganization":{"@type":"Organization","name":"Sphere","sameAs":"https://sphere.com","logo":"https://logos.yubhub.co/sphere.com.png"},"x-apply-url":"https://jobs.ashbyhq.com/sphere/4e3c5943-bd07-4ce1-8e13-68b00221d0b7?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply","x-work-arrangement":"onsite","x-experience-level":"senior","x-job-type":"Full time","x-salary-range":"$250K - $300K","x-skills-required":["AI","LLMs","RAG systems","fine tuning base models","tax technical problems","evaluation frameworks","fine-tuning loops"],"x-skills-preferred":["experience working with LLMs on legal applications","experience with RAG data pipelines and collecting/curating data for the pipeline"],"datePosted":"2026-04-24T11:20:21.056Z","jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"San Francisco HQ"}},"employmentType":"FULL_TIME","occupationalCategory":"Engineering","industry":"Technology","skills":"AI, LLMs, RAG systems, fine tuning base models, tax technical problems, evaluation frameworks, fine-tuning loops, experience working with LLMs on legal applications, experience with RAG data pipelines and collecting/curating data for the pipeline","baseSalary":{"@type":"MonetaryAmount","currency":"USD","value":{"@type":"QuantitativeValue","minValue":250000,"maxValue":300000,"unitText":"YEAR"}}},{"@context":"https://schema.org","@type":"JobPosting","identifier":{"@type":"PropertyValue","name":"YubHub","value":"job_ba039c4c-0a0"},"title":"Founding Growth Lead","description":"<p>We&#39;re looking for a Founding Growth Lead to work closely with the Founder to help amplify our brand messaging, build out our direct and partner channels, establish our presence in numerous international markets and take us to $100m+ in ARR.</p>\n<p>Fuel and build out our direct channels:</p>\n<ul>\n<li>Socials: Drive our content strategy across the org and streamline our branding / messaging across social channels / review platforms.</li>\n</ul>\n<ul>\n<li>SEO: Continue to build upon our strong SEO growth with our fabulous SEO advisor (Irina Maltseva).</li>\n</ul>\n<ul>\n<li>Product led: Work with engineering to build growth loops into our product (30% of our current inbound leads come from existing customer referrals).</li>\n</ul>\n<ul>\n<li>Other: We have exciting ideas around OOH / influencer advertising that we want to execute on</li>\n</ul>\n<p>Build out partner channels: We get 35% of our inbount leads from partners (accounting / tax firms, other fintech software providers). We want to double down on that in the US and especially internationally.</p>\n<p>Set up international GTM operations: What we do best is international and it continues to be our strategic focus into 2026. You&#39;ll need to help build out our growth channels in these regions and may even set up there for a period of time.</p>\n<p style=\"margin-top:24px;font-size:13px;color:#666;\">XML job scraping automation by <a href=\"https://yubhub.co\">YubHub</a></p>","url":"https://yubhub.co/jobs/job_ba039c4c-0a0","directApply":true,"hiringOrganization":{"@type":"Organization","name":"Sphere","sameAs":"https://sphere.com","logo":"https://logos.yubhub.co/sphere.com.png"},"x-apply-url":"https://jobs.ashbyhq.com/sphere/52104e06-f4b8-43c3-8591-ac9a7ab56ac1?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply","x-work-arrangement":"onsite","x-experience-level":"senior","x-job-type":"Full time","x-salary-range":"$220K – $260K","x-skills-required":["growth channels","SEO","product led growth","OOH advertising","influencer marketing"],"x-skills-preferred":["network in the CFO / finance / accounting community"],"datePosted":"2026-04-24T10:59:14.125Z","jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"San Francisco HQ"}},"employmentType":"FULL_TIME","occupationalCategory":"Marketing","industry":"Technology","skills":"growth channels, SEO, product led growth, OOH advertising, influencer marketing, network in the CFO / finance / accounting community","baseSalary":{"@type":"MonetaryAmount","currency":"USD","value":{"@type":"QuantitativeValue","minValue":220000,"maxValue":260000,"unitText":"YEAR"}}},{"@context":"https://schema.org","@type":"JobPosting","identifier":{"@type":"PropertyValue","name":"YubHub","value":"job_4892788f-14a"},"title":"Senior Backend Engineer (Infrastructure)","description":"<p><strong>Compensation</strong></p>\n<p>$230K – $280K • Offers Equity</p>\n<p><strong>Why this is a massive opportunity:</strong></p>\n<p>We&#39;re using AI to codify the world&#39;s international trade law. Every business around the world needs this. Compliance isn’t optional. Strong macro tailwinds: Businesses are expanding globally at a faster pace, while tax authorities are cracking down on cross-border compliance, driving urgent demand. AI advantage: Incumbents can’t scale beyond the U.S.; our AI-native tax engine can. Multi product play: Indirect tax is just the start; we’re building a compound startup that helps business with all forms of revenue-based compliance.</p>\n<p><strong>What you will do:</strong></p>\n<p>Within weeks:</p>\n<ul>\n<li>Find solutions to Sphere&#39;s toughest scaling, performance, and latency problems</li>\n</ul>\n<ul>\n<li>Work closely with engineering team to define tooling to help us ship even faster</li>\n</ul>\n<ul>\n<li>Participate in an On Call rotation to solve critical production events</li>\n</ul>\n<ul>\n<li>Work directly with customers like Eleven Labs, Replit, Windsurf, and partners like Stripe, Chargebee, on their latency and availability requirements.</li>\n</ul>\n<p>Within months:</p>\n<ul>\n<li>Influence and implement the next generation of Sphere&#39;s database, real-time queue, and container orchestration infrastructure</li>\n</ul>\n<ul>\n<li>Work across our engineering organization to introduce and scale best practices with cloud-native technologies like Amazon ALB, ECS/EKS, Temporal, AWS SQS, Amazon Aurora PostgreSQL, Elasticache Redis, and S3</li>\n</ul>\n<ul>\n<li>Build abstractions within Terraform to simplify the architecture and increase velocity and ownership</li>\n</ul>\n<p><strong>Requirements:</strong></p>\n<ul>\n<li>Experience managing k8s clusters in AWS/GCP/Azure at scale</li>\n</ul>\n<ul>\n<li>Extensive experience shipping high-quality architectures for mission critical systems (focus on high availability, high load, low latency)</li>\n</ul>\n<ul>\n<li>Experience with Postgres at scale</li>\n</ul>\n<p><strong>Nice to have:</strong></p>\n<ul>\n<li>Experience working with large volumes of transaction data. You’ll be getting very familiar with it!</li>\n</ul>\n<ul>\n<li>Strong experience in Python. Our core application backend and data pipeline services are built with Python and Django</li>\n</ul>\n<ul>\n<li>Passionate about developer experience</li>\n</ul>\n<ul>\n<li>Very strong attention to detail. 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Containerization for goods. SWIFT for money. Stripe for payments. Compliance is one of the last and largest — and the hardest, because trade rules aren&#39;t data to be looked up. They&#39;re a complex adaptive system with 190+ sovereign jurisdictions, in different languages, changing constantly, reacting to each other.</p>\n<p><strong>THE ROLE</strong></p>\n<p>CX has an unusually high importance in a product like Sphere. Trust is of utmost importance when handling a company&#39;s payments and tax obligations. As a result, every user experience, modal, button, export needs to be flawless (would you trust Stripe with your payments if it was full of bugs and inconsistencies?).</p>\n<p>Sphere is looking for a passionate founding product engineer to own our CX, take it to the next level and help build out new features / products on our roadmap.</p>\n<p><strong>WHAT YOU&#39;LL DO</strong></p>\n<p>Within weeks:</p>\n<ul>\n<li>Work / listen to many of our customers on what their main pain points are and prioritize lowest hanging fruit features that can help solve their problems</li>\n</ul>\n<ul>\n<li>Collaborate extensively with design on bringing those features to life</li>\n</ul>\n<ul>\n<li>Executing and shipping features, end-to-end, on a daily basis</li>\n</ul>\n<ul>\n<li>Doing customer support where necessary to understand our customers and how they think as much as possible</li>\n</ul>\n<p>Within months:</p>\n<ul>\n<li>Own Sphere&#39;s CX and make it unique</li>\n</ul>\n<ul>\n<li>Own feature / product roadmap in conjunction with the CEO / Founder (you will work a lot together)</li>\n</ul>\n<ul>\n<li>Build / implement more rigorous customer feedback / analysis processes to allow us to better prioritize roadmap</li>\n</ul>\n<p><strong>REQUIREMENTS</strong></p>\n<ul>\n<li>Strong experience with React. Our entire front end is built in react.</li>\n</ul>\n<ul>\n<li>Strong experience with Figma. In order to collaborate efficiently with design.</li>\n</ul>\n<ul>\n<li>Customer obsession. You’re going to be talking to a lot of people in the finance realm (Controller, Heads of Finance, Heads of Tax). You need to like them and obsess over them.</li>\n</ul>\n<ul>\n<li>Very strong attention to detail. When you work with numbers this is a non-negotiable - it’s not enough to be 99% right.</li>\n</ul>\n<ul>\n<li>Strong organization skills. We get hundreds of feature requests every day. How you monitor, organize and prioritize these is key.</li>\n</ul>\n<p><strong>NICE TO HAVES</strong></p>\n<ul>\n<li>Experience working with large volumes of transaction data. You’ll be getting very familiar with it!</li>\n</ul>\n<ul>\n<li>Experience in Python and Django. Our core application backend and data pipeline services are built with Python and Django</li>\n</ul>\n<ul>\n<li>Experience using tools like PostHog and Sentry</li>\n</ul>\n<p><strong>WHO YOU ARE</strong></p>\n<p>You&#39;ll thrive here if:</p>\n<ul>\n<li>You&#39;re a Dog. You&#39;ve been underestimated, gone through struggle, and never stopped running. You have a chip on your shoulder and enormous drive. You look at Stripe, Deel, and Flexport all punting on compliance and think: good, that means the opportunity is ours. Hunger beats pedigree.</li>\n</ul>\n<ul>\n<li>Early stage is in your bones. You’ve built things where there’s no playbook and nobody handing you the answer. You define the problem instead of waiting for instructions.</li>\n</ul>\n<ul>\n<li>You own it end to end. Give you a goal and you figure out your own path. Small team, global surface area — everyone owns a domain that would be a full team at a larger company. No one tells you how.</li>\n</ul>\n<ul>\n<li>You believe speed and accuracy are both possible. We’re building a complex product that requires robustness and 100% uptime, and we have to build at our customers’ pace. Move fast. Don’t break things. Both.</li>\n</ul>\n<ul>\n<li>Being in the room is a feature, not a cost. Five days in SF isn’t a policy, it’s how the work gets done. The speed and density of collaboration we need doesn’t survive over video.</li>\n</ul>\n<p>This won’t be a fit if:</p>\n<ul>\n<li>You need structure handed to you or ambiguity feels draining rather than motivating</li>\n</ul>\n<ul>\n<li>You want to manage people more than own hard problems (we’re a flat, experienced team — everyone builds)</li>\n</ul>\n<ul>\n<li>You’re used to “good enough” shipping (small errors have outsized impact here)</li>\n</ul>\n<ul>\n<li>Being in the room five days a week feels like a cost instead of a benefit</li>\n</ul>\n<p style=\"margin-top:24px;font-size:13px;color:#666;\">XML job scraping automation by <a href=\"https://yubhub.co\">YubHub</a></p>","url":"https://yubhub.co/jobs/job_e3f42db8-8ed","directApply":true,"hiringOrganization":{"@type":"Organization","name":"Sphere","sameAs":"https://jobs.ashbyhq.com","logo":"https://logos.yubhub.co/sphere.com.png"},"x-apply-url":"https://jobs.ashbyhq.com/sphere/bfa759a9-f19a-4030-959e-9e29d81d6879?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply","x-work-arrangement":"onsite","x-experience-level":"senior","x-job-type":"Full time","x-salary-range":"$230K – $280K • Offers Equity","x-skills-required":["React","Figma","Customer obsession","Attention to detail","Organization skills"],"x-skills-preferred":["Python","Django","PostHog","Sentry"],"datePosted":"2026-03-08T21:14:31.353Z","jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"San Francisco HQ"}},"employmentType":"FULL_TIME","occupationalCategory":"Engineering","industry":"Technology","skills":"React, Figma, Customer obsession, Attention to detail, Organization skills, Python, Django, PostHog, Sentry","baseSalary":{"@type":"MonetaryAmount","currency":"USD","value":{"@type":"QuantitativeValue","minValue":230000,"maxValue":280000,"unitText":"YEAR"}}}]}