Software Engineer Jobs

Software Engineer

80Twenty

Location:
United States, San Francisco

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

200000.00 - 300000.00 USD / Year

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Job Description:

This is a once in a life time opportunity to join what is soon to be a unicorn pharma / health start-up. This role offers top of the market salary range as well as a very strong equity package. We are looking for a top of the line Software Engineer who is ready to work hard and rapidly grow with our client. You will be helping to accelerate our product’s impact by building and optimizing the systems that drive acquisition, activation, retention, and monetization. You’ll be joining a highly collaborative, cross-functional team that works at the intersection of engineering, product, design, and data.

Job Responsibility:

Design, build, and ship features across full stack to improve conversion, engagement, and retention
Maintain and improve server-side event forwarding, and a clean event schema across marketing site and app
Identity & attribution enablement
Work with design to build and iterate high-performance landing pages and lightweight micro-tools that capture intent and convert
Partner with product, design, and data to identify high-impact opportunities and rapidly test hypotheses through experiments and A/B testing

Requirements:

5+ years building production web software with clear business impact
Full-stack fluency: Strong back-end and infra skills with enough front-end to extend Framer and build/track landing pages
Instrumentation end-to-end: Event design, tag management, server-side forwarding, experiment wiring
SEO fundamentals: Core Web Vitals, crawlability/indexing basics, structured data/sitemaps
Strong skills in SQL and Python
Strong Product sense
Working familiarity with GTM, ad pixels, and Google Analytics

What we offer:

Equity package

Additional Information:

Job Posted:
December 01, 2025

Employment Type:

Fulltime

Work Type:

On-site work

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