{"id":3029624,"url":"https://alion.io/job/customerlabs-software-developer-frontend","title":"Software Developer (Frontend)","company":{"id":2624107,"name":"CustomerLabs","domain":"customerlabs.com","url":"https://alion.io/company/customerlabs","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Zoho Recruit","truth_index":null},"role":"Frontend","role_family":"Frontend","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Chennai, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"JavaScript","optional":false},{"name":"PWA","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-08-28T00:00:00Z","employer_posted_date":"2026-08-28","last_verified_at":"2026-10-24T05:42:09Z","board_verified":true,"closed_at":null,"days_open":57,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":57},"description":"Not a fan of long JDs? take a minute to watch our video JD, it’ll give you a real feel of the role, growth and glimpse of your manager as well here : https://tinyurl.com/3wzr5nty About CustomerLabs CustomerLabs is a fast-growing B2B SaaS company helping businesses maximize the value of their first-party customer data. Our platform helps marketers collect, unify, and activate customer data to improve marketing performance and drive measurable growth.About the Role You'll turn complex product requirements into fast, reliable, and delightful web experiences. You'll build reusable UI with React and JavaScript, care deeply about responsive design and performance, and ship with strong testing and browser compatibility. What You'll Do\nBuild reusable UI components and frontend features using JavaScript, React, HTML5, and CSS3.\nDeliver responsive, mobile-first, pixel-accurate experiences across devices.\nEnsure consistent behavior across Chrome, Safari, Firefox, and Edge.\nProfile and optimize loading, rendering, bundle size, and runtime performance.\nImprove Core Web Vitals and build performance guardrails into everyday development.\nWrite unit/component and automated browser tests to prevent regressions.\nUse DevTools to diagnose network, performance, memory, layout, and rendering issues.\nBuild features using modern Web APIs and Progressive Web App patterns.\nCollaborate with Product, Design, and Backend on scalable frontend systems. Must-Have\nStrong hands-on experience building production web applications with React and JavaScript.\nDeep fundamentals in JavaScript, React, HTML, and CSS.\nStrong problem-solving and DSA fundamentals applied to frontend performance and correctness.\nResponsive, mobile-first design and modern CSS knowledge.\nPractical cross-browser debugging experience.\nPerformance profiling and measurable optimization experience.\nUnit testing and automated browser testing experience.\nUnderstanding of Core Web Vitals, Web APIs, browser DevTools, and PWA fundamentals.\nStrong ownership, communication, collaboration, and attention to UX quality. Good to Have\nTypeScript.\nAccessibility knowledge including semantic HTML, keyboard navigation, and ARIA basics.\nProduction performance monitoring, analytics, and error tracking experience.\nInterest in rapid prototyping and tool-assisted development without compromising quality. Success in This Role\nFeatures are fast, reliable, responsive, accessible, and tested.\nFrontend architecture becomes easier to scale and maintain.\n• Users experience a smoother product because performance and UX are treated as engineering priorities. Why CustomerLabs? Welcome to the Average Kootam - A place where you’re trusted to own your work, make decisions, learn from the experience, and keep moving forward. You’ll know what you’re working towards, have the freedom to grow into bigger responsibilities, and see the impact of what you do. Teams here don’t work in isolation Sales, Marketing, Design, Engineering, and others work closely, challenge ideas, and build better things together. And when we’re not building, we make time to learn, connect, have fun, and bring the whole Kootam together. Wanna know more about us? Connect with us: We're active on LinkedIn, Instagram talking about what we do at CustomerLabs. Would you like to know our stories? Catch up on what we're up to on the LinkedIn page of our HR Team - Devarshini, Aswin, Kunguma! Take a sneak peek at our behind the scenes fun at our team-run Instagram page. Want to bypass all this and get a coffee with us at our office? Let us know here!","description_format":"text","description_chars":3571,"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":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Security Compliance"],"lifecycle":[{"event":"open","at":"2026-10-21T20:05:56Z"}],"visa":[],"liveness":{"score":15,"band":"cold","label":"Long shot","p_open":1,"p_active":0.427,"p_room":0.35,"age_days":57,"expected_fill_days":23,"reasons":["conf:0","win:tail"],"computed_at":"2026-10-24T06:02:35Z"},"pay":null,"html_url":"https://alion.io/job/customerlabs-software-developer-frontend","json_url":"https://alion.io/job/customerlabs-software-developer-frontend.json","meta":{"generated_at":"2026-10-24T09:27:03Z","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":13706,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-25T00:00:00Z"}},"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":2624107},"rest":"https://alion.io/mcp/rest/get_company?id=2624107"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcustomerlabs-software-developer-frontend"},{"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%2Fcustomerlabs-software-developer-frontend"},{"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%2Fcustomerlabs-software-developer-frontend"},{"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/customerlabs-software-developer-frontend\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcustomerlabs-software-developer-frontend"}]}