{"id":3975389,"url":"https://alion.io/job/topline-pro-senior-agent-designer","title":"Senior Agent Designer","company":{"id":6750,"name":"Topline Pro","domain":"toplinepro.com","url":"https://alion.io/company/topline-pro","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"Design","role_family":"Design","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Boston, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"Claude Code","optional":false},{"name":"JavaScript","optional":false},{"name":"LLM","optional":false},{"name":"React Native","optional":false},{"name":"React.js","optional":true}],"status":"live","first_seen_at":"2026-11-09T15:57:53Z","employer_posted_date":"2026-11-09","last_verified_at":"2026-11-09T17:51:01Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Role\nYou will be the first designer dedicated to Sidekick Labs. You will design how Sidekick (our AI agent) thinks, behaves, and acts, not just how it looks. That means the conversation, the moments where Sidekick hands over a real thing (a quote, an invoice, a post), how it shows its work, how it recovers when it gets something wrong, and how a Pro finds out what it can do. You'll write the prompts and the rubrics that define \"good.\" Then you'll check the traces to see if we hit it.\nYou'll report to the VP of Design and work closely with our Head of App Experience, Sidekick Labs engineers and product manager.\nWhat you'll work on\nOne Sidekick, everywhere - Sidekick shows up across the app, the web dashboard, and partner surfaces. Today Sidekick is only available on our mobile app and is not available for all our products. You'll lead the audit and set the patterns to fix that.\n\nFrom chat to artifact - A pro says \"okay, make it a quote.\" Sidekick keeps writing text. You'll design the handoff from conversation to real, editable work.\n\nShow your work - Pros trust what they can see. You'll design how Sidekick explains what it did and why, without burying a busy pro in detail.\n\nThe wait - Complex requests take time. You'll design the waiting experience so Sidekick feels fast and in control, even when it's thinking.\n\nDiscoverability - Our bet is that pros adopt features by talking to Sidekick, not by hunting through menus. You'll figure out how Sidekick teaches a pro what it can do, at the right moment.\n\nAgent behavior - Define tone, clarifying questions vs. just acting, error recovery, confirmation before anything goes out to a customer. You'll own these as design decisions and write them into prompts and system rules.\n\nEvals - You'll define what a good response looks like, write the rubrics, label real conversations, and work with engineering to turn that into automated checks.\n\nThe cookbook - You'll turn what we learn into reusable agent design patterns other pods can pick up and use. Think design system, but for agent behavior.\n\nNew conventions - Most of the patterns for agents don't exist yet. You'll invent new ones that feel obvious to a pro the first time they see them.\n\nWhere Sidekick goes next - You'll help shape the Sidekick Labs roadmap with the PM and engineers. You'll bring a point of view on what we should build, not just how it should look.\n\nWhat you bring\n6+ years of product design, with a strong portfolio of shipped work.\n\n2+ years designing LLM-powered products that are live with real users. Agents, assistants, or copilots. Not just concepts.\n\nYou've written prompts and system instructions that shipped. You know how a small wording change moves behavior.\n\nYou're comfortable in the weeds. You can read a trace, spot where an agent went wrong, and say why.\n\nYou think in systems. You can design a pattern once and make it work across ten agents.\n\nYou write clearly and plainly. In an agent product, the copy is the product.\n\nYou've done research with people who aren't tech-first, and you respect how they work.\n\nYou prototype in code. HTML, CSS, and JavaScript, or React Native, with help from AI tools like Claude Code. You use prototypes to test behavior against the real model, not just screens.\n\nYou stay close to the models. You know what the latest ones can and can't do, and you design for where they're going, not where they were six months ago.\n\nYour craft is strong. Your UI is polished, clear, and builds trust.\n\nYou've owned complex products end to end in messy, undefined spaces, and shipped anyway.\n\nYou're happy in a small, fast team where the problem isn't fully defined yet.\n\nAbout Sidekick Labs\nSidekick Labs is our AI agent team that is focused on making our agents trustworthy for the pros who use them, and for the teams who build them.\nWe have three jobs:\nBuild a platform other teams can build on. Any pod at Topline Pro should be able to ship an agent without us holding their hand.\n\nBuild a conversational experience Pros trust. Every agent should feel like one Sidekick. Pros stay in control while Sidekick does the work.\n\nBuild agents we're confident in. Every agent completes real tasks correctly, and we can prove it.\n\nAbout Topline Pro\nWe're building an AI-powered Shopify for service businesses. We help service pros (e.g., roofers, landscapers, painters, cleaners) acquire direct business, fast. Up and running within minutes using Gen AI, our digital storefront products help pros get discovered, trusted, and booked repeatedly.\nTopline Pro was co-founded by Nick Ornitz (CEO) and Shannon Kay (COO), with an excellent team of 120+ rockstars and plans to expand further in 2026. We serve thousands of local service businesses and were named one of the top 50 Tech Companies building for SMBs in 2023 and 2024.\nWe're YC-backed and well-funded, with several years of runway, and we've experienced rapid growth over the past year. We're in a phenomenal position to scale, with the financial foundation, product-market fit, and momentum to go big. You'll be joining at an inflection point, where the groundwork is laid, and the path to massive impact is clear.\nWe believe \"great candidates\" do not come about simply from a check mark next to past experience. We believe in hiring people, not just skills. Even if you do not check every box but find excitement at the prospect of working with us in this capacity, please apply.\nTopline Pro is committed to building an inclusive workplace and assembling a team from diverse backgrounds. We ensure that individuals with disabilities receive reasonable accommodation throughout the application and interview process. 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Docs: https://alion.io/developers"}}