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HomeCompaniesFinixSenior Frontend Engineer

Senior Frontend Engineer

Finix · San Francisco · On Site · Active · $160,000–$235,000 / year · Lever

Job facts

FieldValue
CompanyFinix
TitleSenior Frontend Engineer
Normalized title-
Department / teamEngineering / Frontend
LocationSan Francisco, CA, United States
Work modelOn Site
Employment typeFull Time
Salary$160,000–$235,000 / year
Statusactive
ATS providerLever
Posted / first seen2025-09-24 / 2026-05-29
Changed / last seen2026-06-02 / 2026-06-06

Related slices

PageWhat it containsOpen
Company jobsActive postings from Finix.Open
Company breakdownsRole, location, ATS, and work model facets for this company.Open
ATS provider jobsActive postings observed through Lever.Open
Provider filtered searchThe same provider as a filtered job collection.Open
City jobsActive postings in San Francisco.Open
Department jobsActive postings in Engineering.Open
Work model jobsActive On Site postings.Open
Lifecycle eventsOpen, update, close, and reopen events for this posting.Open
Original postingCanonical source or apply URL captured from the ATS.Open

Linked records

CompanyFinix
Sourcee82756c7-4787-423d-b1b6-5a1ec071ee94
ATS providerLever

Description

About Us Finix is building the global operating system for fintech, starting with payments. From startups to publicly traded companies, Finix processes tens of billions of dollars annually both in-store and online. Finix was founded in 2015 and is headquartered in San Francisco. To date Finix has raised over $200M, including a $75M Series C led by Acrew Capital and Lightspeed Venture Partners and backed by American Express Ventures, Bain Capital Ventures, Homebrew, Inspired Capital, Visa, and others As a Senior Frontend Engineer on our Frontend Engineering Team, you'll architect and build the core payment experiences that power thousands of businesses. You'll develop our comprehensive payments management dashboards and embeddable components that merchants integrate directly into their applications. In this role, you'll drive the technical vision for customer-facing products from conception to production. You'll lead design and implementation decisions while ensuring our payment interfaces remain performant, secure, and intuitive as we scale. Our engineering team operates with high autonomy and ownership—each engineer makes meaningful contributions that directly impact customer success in our dynamic fintech environment. Finix is looking for engineers who bring exceptional technical acumen, attention to detail, passion for growth, and an obsession with delivering an exceptional customer experience. You Will: Build and maintain sophisticated payment dashboards and transaction management interfaces Build performant, accessible, and reusable component libraries that scale across multiple products Lead technical design sessions and drive frontend architecture decisions Optimize application performance for high-volume financial data processing Collaborate with Product, UX, and Engineering teams to translate complex payment workflows into intuitive user experiences Mentor engineers and establish frontend development standards and best practices You Are: Experienced in balancing rapid feature delivery with code quality, testing, and maintainability Skilled at translating business requirements into scalable technical solutions Proactive in monitoring live systems and troubleshooting production issues Comfortable working with ambiguous requirements and driving clarity through technical discovery Committed to knowledge sharing and building team capabilities through documentation and mentorship You Have: 6+ years of production experience with modern web technologies (HTML, CSS/SCSS, JavaScript/TypeScript) 3+ years of hands-on React development in complex, data-heavy applications Solid experience with state management solutions (Redux, Zustand, Recoil, or similar) Strong background in testing strategies and frameworks Experience building responsive, accessible web applications Understanding of RESTful APIs and modern build tools Bonus if you have: Experience in payments, fintech, fraud prevention, or financial services Backend development experience with Java/Spring, Docker, Kubernetes, or AWS Track record building secure, observable APIs and distributed systems Experience with micro-frontend architectures or component library development

Full job record

Job ID58cd919fddc1274648746c25b120d305a4d53db3
Org ID8b8da43f-535d-47c0-a144-8e465d411318
Source IDe82756c7-4787-423d-b1b6-5a1ec071ee94
Board IDe82756c7-4787-423d-b1b6-5a1ec071ee94
Providerlever
Provider Job Key8447c745-3863-4b07-957e-50ad6a1b3f94
TitleSenior Frontend Engineer
Normalized Title
Statusactive
Activeyes
Location TextSan Francisco
DepartmentEngineering
TeamFrontend
Employment TypeFull-time
Workplace Typeon_site
Remote Policy
CountryUnited States
RegionCA
CitySan Francisco
Salary RawUSD 160000-235000 per-year-salary
Salary Min160,000
Salary Max235,000
Salary CurrencyUSD
Salary Periodyear
Source URLhttps://jobs.lever.co/finix/8447c745-3863-4b07-957e-50ad6a1b3f94
Apply URLhttps://jobs.lever.co/finix/8447c745-3863-4b07-957e-50ad6a1b3f94/apply
First Seen At2026-05-29 07:01:04Z
Last Seen At2026-06-06 07:57:44Z
Last Checked At2026-06-06 07:57:44Z
Last Changed At2026-06-02 10:43:27Z
Inactive At
Source Posted At2025-09-24 00:18:07Z
Source Updated At
Raw Payload Uris3://job-postings-prod-raw-590183727216/raw/provider=lever/board=finix/date=2026-06-06/2026-06-06T07-57-44-053Z-2a381466da0ed27ddc6725e9f24d41215bee8e23df0abc7ac10c3890c2dcb2df.json
Event Fields
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  "last_changed_at": "2026-06-02T10:43:27.958Z",
  "active_status": "active"
}
Parsed Structured
{
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  "location": {
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    "region": "CA",
    "country": "United States",
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  "launch_scope": {
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  "salary_period": "year",
  "workplace_type": "on_site",
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Extensions
{}
Native Structured
{
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    {
      "text": "You Will:",
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    },
    {
      "text": "You Are:",
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    },
    {
      "text": "You Have:",
      "content": "\n<li>6+ years of production experience with modern web technologies (HTML, CSS/SCSS, JavaScript/TypeScript)</li>\n<li>3+ years of hands-on React development in complex, data-heavy applications</li>\n<li>Solid experience with state management solutions (Redux, Zustand, Recoil, or similar)</li>\n<li>Strong background in testing strategies and frameworks</li>\n<li>Experience building responsive, accessible web applications</li>\n<li>Understanding of RESTful APIs and modern build tools</li>\n"
    },
    {
      "text": "Bonus if you have:",
      "content": "\n<li>Experience in payments, fintech, fraud prevention, or financial services</li>\n<li>Backend development experience with Java/Spring, Docker, Kubernetes, or AWS</li>\n<li>Track record building secure, observable APIs and distributed systems</li>\n<li>Experience with micro-frontend architectures or component library development</li>\n"
    }
  ],
  "country": "US",
  "createdAt": 1758673087180,
  "updatedAt": null,
  "categories": {
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    "location": "San Francisco",
    "commitment": "Full-time",
    "department": "Engineering",
    "allLocations": [
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  },
  "salaryRange": {
    "max": 235000,
    "min": 160000,
    "currency": "USD",
    "interval": "per-year-salary"
  },
  "workplaceType": "onsite"
}
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