Senior Software Engineer (Fullstack)

TL;DR

Senior Software Engineer (Fullstack): Architecting and building features across a JavaScript SDK client, high-throughput APIs, and a React dashboard for a product experience platform with an accent on scalability, performance, and developer experience. Focus on optimizing backend services, managing complex web application releases, and ensuring system reliability under heavy traffic.

Location: Must be based in or able to commute to San Francisco, CA (3 days per week in-office)

Salary: $180,000 – $260,000 base + Equity

Company

hirify.global is an AI-native product experience platform helping teams understand user behavior through fast, intelligent research tools.

What you will do

• Own the full-lifecycle development and deployment of public-facing SDKs used by millions.
• Architect and optimize backend services built on Node.js, ClickHouse, and Postgres.
• Design and develop intuitive React dashboards with a focus on high performance and quick load times.
• Coordinate SDK versions and web application releases across multiple platforms.
• Contribute to product roadmap discussions and influence engineering strategy.
• Mentor junior engineers and promote engineering excellence through code reviews and documentation.

Requirements

• Must be able to work from the San Francisco office 3 days a week.
• 5+ years of professional software development experience.
• Extensive production experience with customer-facing React applications.
• Proven track record of deploying high-quality, scalable software.
• Experience diagnosing and fixing performance bottlenecks using instrumentation.
• Strong written and verbal communication skills for technical documentation and mentoring.

Culture & Benefits

• Competitive base salary and equity package.
• High-growth startup environment with a focus on AI-native product innovation.
• Collaborative team culture that values mentorship and engineering excellence.
• Commitment to diversity and inclusion in hiring and team growth.