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Senior Software Engineer, Full Stack - Product

Job in San Francisco, San Francisco County, California, 94199, USA
Listing for: Qualified
Full Time position
Listed on 2026-02-16
Job specializations:
  • Software Development
    AI Engineer, Full Stack Developer
Salary/Wage Range or Industry Benchmark: 200000 - 250000 USD Yearly USD 200000.00 250000.00 YEAR
Job Description & How to Apply Below

Overview

We re looking for a deeply experienced Senior Software Engineer to join our dynamic Product Team. This is a foundational role where you will be at the forefront of integrating AI technologies, including LLMs, embeddings, and other machine learning advancements, directly into our product offerings. You will be responsible for tackling technically challenging and ambiguous problems, designing and building innovative features that push the boundaries of what s possible and deliver exceptional user experiences.

As a Senior Engineer, you will own the entire end-to-end feature lifecycle—from rapid ideation and prototyping to coding, testing, deployment, and monitoring. You will be a key driver of our engineering culture, maintaining high standards of quality and collaborating closely with Product Managers and Designers. If you are passionate about building delightful, user-centric AI-powered products and thrive in a fast-paced environment where you can have a tangible impact, this role is for you.

What

You'll Do
  • Develop and Deliver New Products:
    Own the end-to-end delivery of customer-focused applications, building new features, improving existing ones, and creating entirely new products that delight our users.
  • Integrate Cutting-Edge AI:
    Utilize the latest advances in machine learning, LLMs, and other AI technologies to enhance our product offerings and deliver a magical user experience.
  • Collaborate with Key Stakeholders:
    Partner closely with Product Managers, Product Designers, and Platform Engineers to ideate and develop mission-critical applications.
  • Drive Rapid Iteration:
    Conduct rapid prototyping and iterative development to enhance AI solutions based on real-world performance and user feedback.
  • Ensure System Reliability:
    Work on our core functionality to ensure it is stable, scalable, well-maintained, and continuously improving.
  • Cultivate Technical Excellence:
    Continuously grow your technical skills to tackle our toughest challenges related to quality, performance, robustness, and reliability.
  • Elevate the Team:
    Contribute to our team’s culture by mentoring other engineers and setting a high standard for engineering excellence.
  • Support and Scale:
    Support and scale highly-available, highly-trafficked services essential for our customers  time-sensitive, business-critical needs.
What We're Looking For
  • 5+ years of professional full-stack software development experience, with a recent focus on leveraging AI/ML technologies.
  • Expertise in working with all components of a modern web application, with proficiency in languages such as Ruby on Rails, Python, or Go.
  • Strong background in object-oriented programming, systems design, and working with large-scale, low-latency systems.
  • Experience using frontier-scale LLMs (e.g., GPT, Claude, Gemini) programmatically for developing applications in production environments is a plus.
  • Strong software engineering practices, including coding, unit testing, code reviews, and design documentation.
  • Passionate about crafting innovative, user-centric solutions and driven by the challenge of creating elegant and intuitive products.
  • Self-directed, independent, and experienced in owning complete features and products from start to finish.
Why Join Qualified
  • Foundational Impact:
    You ll be a key member of our product team, helping to shape the future of our platform by integrating cutting-edge AI technologies.
  • High-Growth Environment:
    Join us at a pivotal stage where you can establish best practices that will scale with our rapid growth and expansion.
  • Cutting-Edge AI:
    Work on unique challenges related to AI-driven products and help define the future of B2B applications.
  • Close Leadership

    Collaboration:

    Partner with leadership to ensure AI is integrated into our strategic decision-making.
  • Career Growth:
    Lead and grow as a key member of the product team with opportunities to build and manage a team as the company expands.

If you re ready to take on a high-impact role where you ll help establish the AI foundation for a fast-growing company and drive critical initiatives from day one, we d love to hear from you.

About Qualified

Qualified is the Agentic Marketing platform for B2B companies around…

Position Requirements
10+ Years work experience
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