Proofpoint · 10 hours ago
Software Engineer III (UI)
CO
Full-time
Hybrid
Mid Level
$136K/yr - $214K/yrProofpoint is a global leader in human- and agent-centric cybersecurity, dedicated to safeguarding the digital world and empowering people to work securely. The Software Engineer III (UI) will design and build modern, user-focused web applications, primarily on the frontend using React, while collaborating closely with cross-functional teams to deliver scalable and secure features.
EmailEnterprise SoftwareInformation TechnologyNetwork SecuritySaaS
Responsibilities
Design and build modern web interfaces using React, Node.js, and related frameworks
Collaborate cross-functionally with product, design, and backend engineers to deliver scalable and secure features
Develop and maintain reusable components and UI libraries to ensure consistency and performance across the platform
Integrate with backend APIs and data services, ensuring security, performance, and reliability
Apply secure coding practices in frontend development, with awareness of common web vulnerabilities and OWASP Top 10 principles
Leverage AI-assisted development tools as part of an AI-First engineering environment to improve productivity and code quality
Own features end-to-end — from concept to deployment — and iterate rapidly based on customer and user feedback
Contribute to automation, CI/CD, and testing pipelines to ensure high release velocity and quality
Continuously learn and adapt as customer requirements, AI capabilities, and security needs evolve
Qualification
Required
Proficiency in React, including modern patterns such as hooks, component composition, and controlled state
Familiarity with Node.js in support of local development, build tooling, and frontend workflows
Experience integrating with RESTful APIs
Strong understanding of JavaScript fundamentals (closures, async/await, promises, event loop) and how they impact UI performance
Experience writing unit and integration tests (Jest, React Testing Library, Cypress, Playwright)
Experience working with design systems or shared UI component libraries
Strong problem-solving skills, ownership mindset, and ability to thrive in a fast-moving environment
Must have a minimum of a Bachelor of Science degree from an accredited school in an engineering related field
Preferred
Experience with Micro-FrontEnds and distributed UI architectures
Hands-on experience with Material UI or similar design systems
Familiarity with observability tools (Splunk, Grafana, etc.) to help debug and monitor frontend behavior in production
Benefits
Competitive compensation
Comprehensive benefits
Career success on your terms
Flexible work environment
Annual wellness and community outreach days
Always on recognition for your contributions
Global collaboration and networking opportunities
Flexible time off
A comprehensive well-being program with two paid Wellbeing Days and two paid Volunteer Days per year
A three-week Work from Anywhere option
Company
Proofpoint
Proofpoint provides cloud-based email security, e-discovery, and compliance solutions for companies to protect sensitive business data.
Founded in 2002
1001-5000 employees
H1B Sponsorship
Proofpoint has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (51)
2024 (52)
2023 (47)
2022 (103)
2021 (71)
2020 (54)
Funding
Current Stage
Public CompanyTotal Funding
$885.5MKey Investors
DAG VenturesBridgescale PartnersMeritech Capital Partners
2021-04-26Acquired
2019-08-21Post Ipo Debt· $800M
2012-04-20IPO
Leadership Team
Sumit Dhawan
CEO
Michael Frendo
Chief Technology Officer, Engineering
Recent News
2026-01-06
2025-12-18
Company data provided by crunchbase