{"id":2847393,"url":"https://alion.io/job/mlabs-founding-engineer-4","title":"Founding Engineer","company":{"id":4155,"name":"MLabs","domain":"mlabs.city","url":"https://alion.io/company/mlabs","size_band":"51-200","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"A","score":95,"open_postings":5,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":90,"computed_at":"2026-10-22T06:10:10Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["New York, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":180000,"max":220000,"currency":"USD","period":"year","gross":null,"usd_annual":220000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Arbitrum","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-19T11:43:33Z","employer_posted_date":"2026-10-19","last_verified_at":"2026-10-22T03:00:36Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Our client, an innovative venture-backed fintech start-up supported by top-tier investors (including early backers of Polymarket and Kalshi), is building a next-generation trading platform for sports fans to trade performance-based markets on professional athletes.\nThe organization is seeking a talented Founding Engineer (Frontend) to lead the development of their flagship consumer web application. Working closely alongside experienced co-founders with backgrounds from Apple, Google, Dragonfly, and Arbitrum, this key leadership hire will play a central role in designing intuitive trading and portfolio experiences while making complex underlying transaction flows seamless for users.\nThis is a full-time, in-office role located at our client’s office in Chelsea, New York City. It offers competitive compensation, high-impact product influence, and a significant founding equity stake.\nLead frontend development for the flagship consumer web platform using React and TypeScript.\nDesign and execute fast, highly responsive trading and portfolio management interfaces tailored to sports enthusiasts and everyday consumers.\nCollaborate directly with the founding team to shape the overarching product design, feature set, and technical roadmap.\nPartner with backend and protocol engineers to architect optimized APIs and streamlined transaction workflows that conceal underlying on-chain complexity from end users.\nMaintain rigorous standards for code quality, application performance, low-latency responsiveness, and platform reliability.\nRequirements\n echnical Expertise: Advanced proficiency in modern frontend frameworks (React, TypeScript) with a proven track record of shipping polished, consumer-facing web applications.\nArchitecture & State Management: Deep understanding of complex frontend application state, low-latency web performance, web responsiveness, and system reliability.\nProduct Sense: Strong product intuition, with an eye for UI/UX detail and a user-centric approach to software development.\n Location: Based in or willing to work in-office in Chelsea, NYC on a full-time basis.\nPreferred Qualifications (Nice-to-Have)\nPrior experience building user-facing features for trading platforms, prediction markets, brokerages, exchanges, sportsbooks, fintech, or web3/crypto systems.\nBenefits\nBase Salary: $180,000 - $220,000 annually (commensurate with experience)\nEquity: 1.0% - 2.0% founding equity stake\nWork Environment: Modern office space located in Chelsea, NYC\nDirect influence on company direction and tech strategy as an early founding team member.\nDue to the high volume of applications we anticipate, we regret that we are unable to provide individual feedback to all candidates. If you do not hear back from us within 4 weeks of your application, please assume that you have not been successful on this occasion. We genuinely appreciate your interest and wish you the best in your job search.\nCommitment to Equality and Accessibility:\nAt MLabs, we are committed to offer equal opportunities to all candidates. We ensure no discrimination, accessible job adverts, and providing information in accessible formats. Our goal is to foster a diverse, inclusive workplace with equal opportunities for all. If you need any reasonable adjustments during any part of the hiring process or you would like to see the job-advert in an accessible format please let us know at the earliest opportunity by emailing .\nMLabs Ltd collects and processes the personal information you provide such as your contact details, work history, resume, and other relevant data for recruitment purposes only. This information is managed securely in accordance with MLabs Ltd’s Privacy Policy and Information Security Policy, and in compliance with applicable data protection laws. Your data may be shared only with clients and trusted partners where necessary for recruitment purposes. You may request the deletion of your data or withdraw your consent at any time by contacting .","description_format":"text","description_chars":4026,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Blockchain & Crypto","Smart Contracts & Security","Blockchain Infrastructure"],"lifecycle":[{"event":"open","at":"2026-10-19T11:43:33Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":2,"expected_fill_days":90,"reasons":["conf:3","velocity","win:early"],"computed_at":"2026-10-22T06:10:10Z"},"pay":{"stated_usd_annual":220000,"is_top_pay":true},"html_url":"https://alion.io/job/mlabs-founding-engineer-4","json_url":"https://alion.io/job/mlabs-founding-engineer-4.json","meta":{"generated_at":"2026-10-22T06:35:15Z","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_verified","counted_by":"address","units_charged":1,"used_today":1617,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-23T00:00:00Z"}},"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":4155},"rest":"https://alion.io/mcp/rest/get_company?id=4155"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmlabs-founding-engineer-4"},{"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%2Fmlabs-founding-engineer-4"},{"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%2Fmlabs-founding-engineer-4"},{"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/mlabs-founding-engineer-4\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmlabs-founding-engineer-4"}]}