{"id":971118,"url":"https://alion.io/job/kustomer-software-engineer-full-stack-senior-staff","title":"Software Engineer, Full Stack (Senior, Staff+)","company":{"id":58648,"name":"Kustomer","domain":"kustomer.com","url":"https://alion.io/company/kustomer","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"staff","employment_type":"full_time","work_mode":"hybrid","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":130000,"max":215000,"currency":"USD","period":"year","gross":null,"usd_annual":215000},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Anthropic","optional":false},{"name":"AWS","optional":false},{"name":"Claude Code","optional":false},{"name":"Cursor","optional":false},{"name":"ElasticSearch","optional":false},{"name":"GitHub","optional":false},{"name":"Go","optional":false},{"name":"HIPAA","optional":false},{"name":"LangChain","optional":false},{"name":"Node JS","optional":false},{"name":"OpenAI","optional":false},{"name":"Pinecone","optional":false},{"name":"React.js","optional":false},{"name":"Wi-Fi","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-09-16T16:36:12Z","employer_posted_date":"2026-09-16","last_verified_at":"2026-10-22T12:46:00Z","board_verified":true,"closed_at":null,"days_open":35,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":35},"description":"About Kustomer\nKustomer is the AI-native customer experience platform that turns every interaction into a lasting relationship and a measurable business outcome. By unifying customer data, conversations and AI-native workflows into a single connected timeline, Kustomer helps teams cultivate customers, not tickets, resolving issues faster and delivering more personalized service across every channel. Today, Kustomer is the core platform for leading customer service brands like Sweetgreen, Starz, Vuori, Goldbelly and Cotopaxi.\nFounded in 2015 by serial entrepreneurs Brad Birnbaum and Jeremy Suriel, Kustomer raised nearly $200M in funding culminating in a Series E before being acquired by Meta in a deal that closed in 2022. In 2023, Kustomer's founders and original investors, Battery, Redpoint, and Boldstart Ventures, spun the company back out with a $60M investment as an independent, privately held business ready to focus more deeply on AI. In 2025, Norwest led our Series B, bringing our total funding to $90M. This momentum allowed Kustomer to double down on AI-native innovation and build a sharper roadmap for the future of customer experience. Our Krew is a remote-friendly team spread across the U.S. with hubs in NYC and London. We gather in person each year at our annual Kustomer Kick-Off event and always look for Krew members who are curious, collaborative, and ready to shape the future of Customer Experience.\nAbout the Role\nKustomer is hiring a Full Stack Software Engineer to join our Engineering team. In this role, you'll work as part of a pod: a 3-5 person team that picks up a high-priority initiative, ramps quickly, ships end-to-end, and moves on to the next one. You'll be a capable, adaptable engineer who can walk into any part of the codebase, understand it, and make it better. You'll ship new capabilities, improve performance, and contribute to the evolution of our architecture using technologies like Node.js, React, Golang, and AWS, collaborating closely with your pod leader and teammates across engineering, product, and design.\nAI is a core part of how we build. You'll use AI tools daily to move faster and raise the bar on what you ship. You'll also help build AI-powered product capabilities that meaningfully improve the customer experience.\nWe're looking for engineers with strong technical judgment, a high bar for craft, and real curiosity about how systems, product, and AI intersect. You take initiative, thrive in ambiguous problem spaces, and own your work end-to-end, from design through production. Not because someone's tracking it, but because you genuinely care about what you're building. If you want your work to directly shape the product and the team around you, we'd love to hear from you.\nWhat You’ll Do:\nShip full-stack features end-to-end as a member of a pod, owning scope from problem definition through production, using technologies like Node.js, React, Golang, MongoDB, ElasticSearch, and AWS\n\nDevelop APIs and integrate with external services and databases, ensuring data integrity and security\n\nBuild front-end interfaces with a focus on user experience, responsiveness, and accessibility\n\nDesign and build AI-powered features that improve the user experience and platform efficiency\n\nPartner with PMs, engineers, and your Pod Lead to shape requirements, design, UX, and scope tradeoffs, communicating progress proactively along the way\n\nOptimize application performance through caching, efficient algorithms, and database indexing\n\nWrite thorough unit and integration tests to ensure quality and reliability\n\nConduct code reviews, provide constructive feedback, and mentor junior engineers to uphold a high quality bar\n\nShare production support responsibility on a rotating basis, including on-call and bug triage, distributed equitably across the team\n\nStay current with emerging AI tools, full-stack technologies, and industry trends - and actively propose and champion those that improve team velocity, quality, and development practices\n\nRamp quickly on unfamiliar parts of the codebase aided by AI tooling, consistent code hygiene, and a deep engineering foundation\n\nYour qualifications:\n7+ years of progressive software development experience and a Bachelor's degree in Computer Science, Software Engineering, or a related field\n\nYou're comfortable working across frontend and backend. You may have a stronger side, and that's fine. What matters is that you can follow the work wherever it goes and aren't blocked by an unfamiliar layer.\n\nYou understand how systems work at depth and have experience with cloud platforms like AWS or similar. Data structures, algorithms, concurrency, distributed systems, API design, database internals; these are tools, not trivia.\n\nYou don't need to be the domain expert before contributing. You read READMEs, trace execution, ask sharp questions, and start adding value fast.\n\nYou own the outcome, not just the ticket. You raise risks early, communicate progress proactively, and care about what ships, not just what you committed.\n\nYou’re able to diagnose and debug complex issues, optimize application performance, and identify areas for improvement.\n\nYou have hands-on experience with modern AI developer tools, such as Cursor or Claude Code, and have built a real working practice around using them as a force multiplier for code comprehension, test scaffolding, documentation, debugging, and ramp.\n\nYour application will stand out if you have:\nFamiliarity with integrating AI or ML-powered capabilities into web applications, even at a prototype or feature level\n\nExposure to integrating third-party AI APIs or frameworks (e.g., OpenAI, Anthropic, LangChain, or vector databases like Pinecone)\n\nInterest in exploring how AI can enhance developer workflows and improve product functionality\n\nGithub activity showing thoughtful, relevant contributions\n\nHIPAA Compliance\nAll roles at Kustomer may involve handling sensitive personal data.\nBenefits\nKustomer offers an array of benefits including competitive salaries and stock options. In the U.S. we offer 100% healthcare coverage, 401K, WiFi and Mobile reimbursement, and a generous vacation policy; in the UK we also offer pension, supplemental health insurance and other perks.\nDiversity & Inclusion at Kustomer\nKustomer is committed to bringing together individuals from different backgrounds and perspectives.\nWe strive to create an inclusive environment where everyone can thrive, feel a sense of belonging, and do great work together.We are proud to be an equal opportunity employer open to all qualified applicants regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or expression, Veteran status, or any other legally protected status.\nCandidate Privacy Notice\nAs a job applicant, you have the right to know and understand the categories of personal information we collect about you, and the purposes for which we use such personal information.\n Disclaimer: Kustomer only contacts candidates from company email addresses ending in kustomer.com and does not seek funds from candidates in any circumstances.","description_format":"text","description_chars":7185,"description_truncated":false,"requirements":{"experience_years_min":7,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["401k plan","Generous vacation","Health insurance","Mobile reimbursement","Stock options"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Customer Support & Help Desk Software"],"lifecycle":[{"event":"open","at":"2026-09-16T17:56:38Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 5","filings_12m":5,"filings_prev_12m":3,"green_card_filings_12m":0,"median_offered_wage_usd":217500,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)"],"filings_for_role_12m":4}],"liveness":{"score":59,"band":"ok","label":"Likely open","p_open":1,"p_active":0.787,"p_room":0.75,"age_days":35,"expected_fill_days":43,"reasons":["conf:0","win:late"],"computed_at":"2026-10-22T06:10:10Z"},"pay":{"stated_usd_annual":215000,"is_top_pay":false},"html_url":"https://alion.io/job/kustomer-software-engineer-full-stack-senior-staff","json_url":"https://alion.io/job/kustomer-software-engineer-full-stack-senior-staff.json","meta":{"generated_at":"2026-10-22T16:07:14Z","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":16257,"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":58648},"rest":"https://alion.io/mcp/rest/get_company?id=58648"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fkustomer-software-engineer-full-stack-senior-staff"},{"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%2Fkustomer-software-engineer-full-stack-senior-staff"},{"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%2Fkustomer-software-engineer-full-stack-senior-staff"},{"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/kustomer-software-engineer-full-stack-senior-staff\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fkustomer-software-engineer-full-stack-senior-staff"}]}