{"id":1974389,"url":"https://alion.io/job/numeral-software-engineer-platform","title":"Software Engineer, Platform","company":{"id":1053,"name":"Numeral","domain":"numeral.com","url":"https://alion.io/company/numeral","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"C","score":66,"open_postings":25,"ghost_share":0.56,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-06T05:45:30Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Francisco, United States","New York, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":180000,"max":300000,"currency":"USD","period":"year","gross":null,"usd_annual":300000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"Amazon ECS","optional":false},{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"Kubernetes","optional":false},{"name":"Model Context Protocol","optional":false},{"name":"Node JS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Redis","optional":false},{"name":"Supabase","optional":false},{"name":"Together AI","optional":false},{"name":"JavaScript","optional":true},{"name":"Platform Engineering","optional":true},{"name":"Terraform","optional":true}],"status":"live","first_seen_at":"2026-10-06T19:26:46Z","employer_posted_date":"2026-10-06","last_verified_at":"2026-10-06T23:37:30Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"About Numeral:\nAt Numeral, we're building the future of tax by bringing together AI agents, human expertise, and global compliance.\nWe’re the largest and fastest-growing AI-native tax solution. Today, we serve more than 3,500 global businesses, including companies like Supabase, Eight Sleep, and Graza. We’ve grown quickly across our core e-commerce and software segments, more than tripled our revenue every year, and expanded into new industries, including manufacturing, distribution, and wholesale.\nNumeral has raised over $157M from Insight Partners, Salesforce Ventures, Benchmark, Mayfield, Y Combinator, and many others.\nAbout the role:\nWe’re looking for a Senior Software Engineer, Platform to build the services, infrastructure, and developer interfaces that power Numeral.\nOur platform team works across infrastructure, our public API, our MCP server, and integrations with billing platforms and ERPs. You’ll help make our systems more reliable and scalable while building new ways for customers and partners to connect with Numeral.\nThis is a hands-on role with meaningful ownership. You’ll take projects from design through production, contribute to architecture decisions, and work closely with product and engineering teams to make tax automation work reliably for our customers.\nWhat you’ll do:\nBuild and evolve our public API and MCP server, making it easy for customers, developers, and AI tools to work with Numeral.\n\nBuild integrations with billing platforms and ERPs, handling data synchronization, workflow automation, and the real-world complexity of financial data.\n\nImprove the infrastructure behind our platform, supporting reliable APIs, background jobs, and data pipelines as transaction volumes grow.\n\nOwn projects end to end, including technical design, implementation, rollout, and ongoing operation.\n\nImprove observability, performance, and incident response so we can identify problems quickly and prevent repeat issues.\n\nAutomate infrastructure and deployment workflows through infrastructure-as-code, CI/CD, and container tooling.\n\nPartner with product and engineering teams to ship new capabilities while keeping our systems dependable and maintainable.\n\nWhat you’ll bring:\n5+ years of experience building and operating backend software or platform systems in production.\n\nStrong backend engineering skills, with experience in Node.js, PostgreSQL, and Redis, or comparable technologies.\n\nExperience building APIs, integrations, or data pipelines, with attention to correctness, error handling, and maintainability.\n\nPractical experience with AWS or another cloud platform and containerized workloads using ECS, Kubernetes, or similar tools.\n\nAn understanding of distributed systems fundamentals, including retries, idempotency, queues, and failure recovery.\n\nExperience using logs, metrics, and tracing to debug production issues and improve system reliability.\n\nThe ability to work through ambiguity, make pragmatic technical decisions, and communicate tradeoffs clearly.\n\nOwnership and customer focus: you follow through, care about how your work performs in production, and connect technical decisions to customer needs.\n\nNice to haves:\nExperience with payments, tax, accounting, or other systems where financial data needs to be accurate and auditable.\n\nExperience integrating with billing platforms or ERPs.\n\nExperience building public APIs, developer tooling, or MCP servers.\n\nA background in infrastructure or platform engineering, including Terraform, CI/CD, or observability tooling.\n\nExperience with event-driven systems or evolving a growing application’s architecture.\n\nLocation:\nThis role is hybrid (3 days a week in our SF or NY office) or remote\n\nWhat we offer:\nCompetitive salary and equity - you'll share directly in the company's success\n\nFull medical, dental, and vision coverage\n\nWellness perks like Headspace and the Peloton One App\n\n401(k) to help you build long-term financial security\n\nRelocation assistance to NYC or SF (if needed)\n\nLunch and snacks when you're in the office\n\nRegular team offsites and company events as we grow\n\nA culture built on ownership - your work matters and people will see it!","description_format":"text","description_chars":4164,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Company events","Equity","Relocation assistance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["Accounting & Tax Software"],"lifecycle":[{"event":"open","at":"2026-10-06T20:45:42Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":40,"reasons":["conf:0","win:early"],"computed_at":"2026-10-07T00:11:06Z"},"pay":{"stated_usd_annual":300000,"is_top_pay":true},"html_url":"https://alion.io/job/numeral-software-engineer-platform","json_url":"https://alion.io/job/numeral-software-engineer-platform.json","meta":{"generated_at":"2026-10-07T00:11:06Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":216,"day_limit":5000,"remaining_today":4784,"minute_limit":60,"resets_at":"2026-10-08T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":1053},"rest":"https://alion.io/mcp/rest/get_company?id=1053"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fnumeral-software-engineer-platform"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fnumeral-software-engineer-platform"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fnumeral-software-engineer-platform"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/numeral-software-engineer-platform\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fnumeral-software-engineer-platform"}]}