{"id":345703,"url":"https://alion.io/job/praktika-senior-full-stack-web-developer","title":"Senior Full Stack Web Developer","company":{"id":63329,"name":"Praktika","domain":"praktika.ai","url":"https://alion.io/company/praktika","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Teamtailor","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"inferred_company_offices","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":["GB"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":85000,"max_usd":174000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":29},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"A/B Testing","optional":false},{"name":"Auth0","optional":false},{"name":"ChatGPT","optional":false},{"name":"Claude","optional":false},{"name":"Copilot","optional":false},{"name":"Cursor","optional":false},{"name":"Firebase","optional":false},{"name":"Less","optional":false},{"name":"Next.js","optional":false},{"name":"Node JS","optional":false},{"name":"OpenAI Codex","optional":false},{"name":"React.js","optional":false},{"name":"RevenueCat","optional":false},{"name":"State Management","optional":false},{"name":"Stripe","optional":false},{"name":"Swagger","optional":false},{"name":"Tailwind CSS","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-09-04T07:37:15Z","employer_posted_date":"2026-09-04","last_verified_at":"2026-10-27T14:51:19Z","board_verified":true,"closed_at":null,"days_open":53,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":53},"description":"Praktika is an AI-native education company on a mission to deliver efficient, engaging language learning to billions of people worldwide. We're bridging the gap between traditional learning apps and human tutors through a fully automated tutorship experience powered by generative AI avatars.\nSince launching our mobile apps in 2023, we've grown to over 2 million monthly active users, become one of the world's top-4 learning apps, and recently closed a $30M Series A to accelerate our roadmap. We're a fully distributed team of ~50 people across 4 continents and 15+ countries, working asynchronously to ship fast and operate at a high bar.\nWe're hiring a Senior Full-Stack Engineer to own and evolve every web-facing surface at Praktika; onboarding flows, landing pages, customer portals, our web app, and internal tools. This is a full-cycle product engineering role: you'll shape product direction, design and run experiments, ship features end-to-end, and measure their impact on conversion, retention, and learner experience.\nYou'll partner closely with Product, Marketing, and Growth, and your work will directly influence how tens of millions of learners discover and engage with Praktika.\nWhat you'll do\nOwn the entire web stack: marketing site, onboarding funnels, customer portals, web app, and internal tools.\n\nLead architecture, development, experimentation, and operations across all web applications.\n\nDrive product decisions: contribute to the vision, design and run A/B tests, analyze results, and iterate quickly.\n\nBuild adaptive, animated, mobile-first experiences that convert and delight users.\n\nIntegrate with backend services (via Swagger docs), authentication providers (Google/Apple SSO), and payment gateways (Stripe, PayPal, RevenueCat).\n\nSet up and optimize analytics, tracking, and conversion funnels in collaboration with Growth and Marketing.\n\nShip production-ready code end-to-end; from idea through deployment to monitoring.\n\nWhat we're looking for\nWe're looking for outstanding engineers who thrive in a challenging environment, bring a growth mindset, and operate with a high degree of agency, devotion, and autonomy.\nRequired\nProduct-first mindset: you think in user problems and business outcomes, not just code.\n\nExtensive experience with TypeScript, React (hooks, context, state management), and Node.js.\n\nProficiency across modern full-stack tooling: Next.js (or equivalent), CSS-in-JS or Tailwind.\n\nHands-on experience integrating auth providers (Firebase, Auth0), payment systems (Stripe, RevenueCat, PayPal), feature-flag platforms (LaunchDarkly, Flagsmith), and analytics tools (Amplitude, PostHog).\n\nStrong UI/UX sensibility; you care about animation, micro-interactions, and conversion details.\n\nComfortable working with RESTful APIs and collaborating closely with backend teams.\n\nData-driven approach with proven experience in A/B testing, funnel optimization, and analytics.\n\nAbility to thrive in an async, distributed, written-first culture.\n\nBonus\nA portfolio of high-quality web projects and successful conversion experiments.\n\nPrior experience at an early-stage or high-growth consumer product company.\n\nHow we work\nMission-driven: we're building the #1 language learning app and competing to win.\n\nAI-native; AI isn't a feature; it's how we think, build, and scale.\n\nExtreme ownership; every project has a clear owner who drives it to success.\n\nLess meetings, more outputs; async first; meetings are a last resort.\n\nSpeed & excellence; move fast without compromising quality.\n\nTruly all-in: Impactful work, full commitment, real rewards.\n\nData-driven; decisions are based on evidence, not opinion.\n\nUser-obsessed; If it doesn't improve the learner experience, it doesn't matter.\n\nWhat we offer\nEquity that grows with your impact (stock options).\n\n26 days of holiday plus bank holidays (34 days per year total).\n\nAnnual company off-site (last year: Dubai).\n\nHealth and wellness benefits via SafetyWing.\n\nFull AI toolkit access: Claude, Cursor, Codex, and other productivity tools.\n\n$1,000 annual education and learning budget.\n\nFully remote - work from wherever you do your best work\n\nWhy should you join Praktika:\nWe expect dedication and hard work, but we also believe in rewarding it. Our compensation reflects the effort and results you bring to the table.\nTop-tier salary to match your top-tier skills\n\nEquity that grows with your impact: Equity growth via stock options\n\n26 days holidays plus bank holidays. (34 days per year)\n\nYearly off-sites: Last year was in Dubai!\n\nHealth and wellness benefits to support your overall well-being through Safetywing\n\nAccess to an AI toolkit including ChatGPT, Copilot, and other productivity tools\n\nAnnual educational budget of up to $1,000\n\nInterview Process:\n\nWe will provide you with feedback throughout the interview process. \nJoin Praktika and lead the charge in driving exponential growth and innovation. Apply now to be part of a team that is redefining language learning for millions of users worldwide.","description_format":"text","description_chars":5008,"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","Stock options"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-09-05T18:31:12Z"}],"visa":[],"liveness":{"score":26,"band":"fade","label":"Fading","p_open":1,"p_active":0.584,"p_room":0.45,"age_days":52,"expected_fill_days":35,"reasons":["conf:6","win:tail"],"computed_at":"2026-10-27T05:46:45Z"},"pay":null,"html_url":"https://alion.io/job/praktika-senior-full-stack-web-developer","json_url":"https://alion.io/job/praktika-senior-full-stack-web-developer.json","meta":{"generated_at":"2026-10-27T20:24:15Z","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":11566,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-28T00:00:00Z"}},"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":63329},"rest":"https://alion.io/mcp/rest/get_company?id=63329"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fpraktika-senior-full-stack-web-developer"},{"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%2Fpraktika-senior-full-stack-web-developer"},{"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%2Fpraktika-senior-full-stack-web-developer"},{"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/praktika-senior-full-stack-web-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fpraktika-senior-full-stack-web-developer"}]}