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Five9

Senior Software Engineer - Frontend UI

Five9 · India, Bengaluru (Hybrid)

Posted about 2 months ago · Previously reposted

or apply directly on Five9's site. We never take the application ourselves.

Is this posting real?

This role has been open
54 days
Five9's roles stay open a median of 55 days
Reposted
Yes
taken down and listed again at least once
Salary listed
No
0% of Five9's roles list one
Ghost-job risk at Five9
high
87 stale, 4 reposted of 124 open
Hiring momentum
210 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-09-27

Measured from postings appearing on and disappearing from Five9's own greenhouse board since 2026-08-03. Full hiring picture for Five9.

About this role

As a Senior Software Engineer on the Core Applications team, you will work on greenfield projects, developing new features for the UI products using React and TypeScript. Your responsibilities include coding, conducting code reviews, mentoring junior engineers, and collaborating with a distributed team across different time zones. This role emphasizes high ownership and technical decision-making within a small, self-organizing team.

Our read on this posting2.0out of 5
benefits
1/5
freshness
1/5
career value
4/5
role clarity
4/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Five9 as an employer.

What you need

  • Strong React and TypeScript proficiency
  • Experience with other modern frameworks (Vue, Angular, Svelte)
  • Testing experience with Jest and/or Playwright
  • Ability to operate autonomously on a small, fast-paced team
  • Strong written communication and collaboration skills
  • Comfortable conducting code reviews and mentoring engineers

Nice to have

  • Prior experience in CCaaS, agent desktop, or UI platform roles
  • Familiarity with TanStack Query and Zustand
  • Web accessibility knowledge; familiarity with WCAG standards
  • Monorepo and micro-frontend architecture experience; Nx preferred
  • Experience with WebSockets or real-time application development

Worth weighing

  • Hybrid role requiring 3 days a week in office
  • Working shift must align with Pacific working hours
  • Position requires the ability to be On Call

Summarised from Five9's posting. Read the full original.

Listed by Five9 on their greenhouse job board, last confirmed open on 2026-09-27. PitchMeAI is not the employer.

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