Just Words
Full Stack Software Engineer
Skills
10 days ago
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Important information
Contract type:
Permanent
Salary:
$120,000 – $160,000 / year
Location:
San Francisco, CA, USA
Work mode:
Onsite
Published on:
10 October 2026
What they need
Role Overview
We’re looking for a Full Stack Software Engineer to design, implement, and QA large customer features, end-to-end. In this role, you’ll work with product and design teams to scope emergent customer needs and design and implement solutions across our entire stack.
What You’ll Do
- Take responsibility for projects from initial scoping to production, breaking large, ambiguous problems into clear milestones with measurable outcomes
- Own quality and outcomes across the full lifecycle, including testing, launch, and rollout
- Partner closely with product and design, scoping and evaluating tradeoffs between technical feasibility and product experience
Qualifications
- 2+ years of industry experience in full-stack engineering, with strong backend skills
- Experience in building platforms end-to-end, with a focus on product requirements
- You are a quick learner, and you thrive in a fast-paced, constantly evolving environment
Why Join JustAI
- High ownership, high impact - your work defines how AI meets real customer workflows
- Founding-stage startup backed by YC & Peak XV (Sequoia), and growing fast
- Work with leadership from Twitter, Pinterest, and Goldman Sachs
- Competitive salary and meaningful equity
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