{"id":2911696,"url":"https://alion.io/job/sparkinity-senior-web-developer","title":"Senior Web Developer","company":{"id":721699,"name":"Sparkinity","domain":"sparkinity.com","url":"https://alion.io/company/sparkinity","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bengaluru, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":17500,"max_usd":41000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":168},"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"JavaScript","optional":false},{"name":"Next.js","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"Tailwind CSS","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2026-10-20T09:35:00Z","employer_posted_date":null,"last_verified_at":"2026-10-20T09:35:00Z","board_verified":false,"closed_at":null,"days_open":6,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":6},"description":"We are seeking a Senior Web Developer to own, scale, and optimize high-performance web applications using React.js, Next.js, and Tailwind CSS. Join our core technology team to build seamless, user-focused digital experiences from development to deployment.\n\nResponsibilities: \nOwn the development and delivery of complex web features from requirement gathering to production.\nBuild scalable, reusable, and high-performance applications using React.js, Next.js, and Tailwind CSS.\nTranslate product and design requirements into robust technical solutions.\nDesign and integrate APIs while collaborating closely with backend engineers.\nIdentify and resolve performance, scalability, and reliability issues across the application.\nParticipate actively in code reviews and establish engineering best practices.\nContribute to technical architecture, technology decisions, and long-term product scalability.\nMentor junior engineers and help improve overall engineering quality and development processes.\nOwn our core web architecture and drive high-impact technical decisions.\nBuild rapid-delivery systems scaled for millions of active daily users.\nAccelerate your career in a high-growth, venture-backed engineering environment.\nCollaborate with elite developers solving complex, real-world commerce challenges.\n\nRequirements: \n4-6 years of professional experience in web development, preferably in product/startup environments.\nStrong hands-on experience with React.js and modern frontend architecture.\nStrong proficiency in Next.js, including routing, server-side rendering, API routes, and performance optimization.\nExcellent knowledge of JavaScript/TypeScript, ES6+ concepts, asynchronous programming, and modern development practices.\nStrong experience with Tailwind CSS and building responsive, pixel-perfect user interfaces.\nExperience designing and integrating REST APIs and working with backend services.\nSkills\nJS, JavaScript, Next.js, Nextjs, React, React.js, TypeScript","description_format":"text","description_chars":1974,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Marketplaces","Wholesale"],"lifecycle":[{"event":"open","at":"2026-10-20T09:35:00Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":5,"expected_fill_days":28,"reasons":["seen:5","velocity","win:early"],"computed_at":"2026-10-26T05:57:25Z"},"pay":null,"html_url":"https://alion.io/job/sparkinity-senior-web-developer","json_url":"https://alion.io/job/sparkinity-senior-web-developer.json","meta":{"generated_at":"2026-10-26T14:04:40Z","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":19394,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-27T00:00:00Z"}},"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":721699},"rest":"https://alion.io/mcp/rest/get_company?id=721699"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsparkinity-senior-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%2Fsparkinity-senior-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%2Fsparkinity-senior-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/sparkinity-senior-web-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsparkinity-senior-web-developer"}]}