Qualified
Senior Software Engineer, Backend - AI Core
Qualified, San Francisco, California, United States, 94199
Senior Software Engineer, Backend - AI Core
Qualified is the Agentic Marketing Platform for B2B companies that scales inbound pipeline growth. We partner with brands such as Crunchbase, Asana, Box, and Grubhub to boost lead conversions and improve efficiency. Our AI SDR agent, Piper, engages website visitors around the clock, capturing leads and powering a continuous inbound pipeline.
Base Pay Range $170,000 – $230,000 per year
Overview We are seeking a seasoned, product‑focused Senior AI Backend Engineer to develop and scale the core backend systems that power our platform. In this foundational role you will strategically integrate AI technologies—including LLMs and embeddings—to enhance product capabilities, build robust data pipelines, and ensure stability, high performance, and continuous improvement.
What You'll Do
Develop Foundational Backend Systems: Architect, build, and maintain scalable, high‑performance backend systems critical to product functionality and business growth.
Drive AI Integration: Identify and implement the best ways to incorporate LLMs, embeddings, and other AI technologies into our platform, exploring new possibilities and applying learnings to enhance product offerings.
Architect Data Models: Design and implement robust data models for managing and standardizing data from diverse sources, optimizing these models to support RAG models’ training and inference processes efficiently.
Champion Engineering Excellence: Maintain core product stability and reliability, continuously improving quality and performance while adopting a product‑first mindset.
Contribute to Team Culture: Mentor fellow engineers, champion product‑focused values, and help establish and maintain standards of engineering excellence across the team.
What We're Looking For
5+ years of experience building modern web applications, with a recent focus on leveraging AI/ML technologies.
Strong background in backend development with proven proficiency in Ruby on Rails, JavaScript, Python, or Go.
Hands‑on experience in AI‑driven application development, including experiment setup, dataset curation, model training, offline evaluation, error analysis, deployment, and online evaluation.
Experience with PostgreSQL or other RDBMS.
Solid software engineering practices: coding, unit testing, code reviews, and design documentation.
Excellent communication and collaboration skills, able to translate complex technical concepts into business impact and work effectively with cross‑functional teams.
Why Join Qualified
Foundational Impact: Shape AI integration and backend systems from day one on a small, high‑impact team.
High‑Growth Environment: Establish best practices that scale with rapid company expansion.
Cutting‑Edge AI: Work on unique challenges that define a new generation of B2B AI applications.
Close Leadership Collaboration: Partner with leadership to guide technology strategy.
Career Growth: Grow and lead the backend and AI engineering function as the company expands.
About Qualified Qualified delivers pipeline generation at scale with Piper the AI SDR for thousands of customers. Founded in San Francisco, the company is backed by Sapphire, Tiger Global, Norwest Venture Partners, Redpoint Ventures, and Salesforce Ventures, and it ranks #1 on the Salesforce AppExchange.
Diversity & Inclusion Qualified is committed to building an inclusive environment where everyone can thrive. We strive to create a place where diverse backgrounds and perspectives are valued.
EEO Statement Qualified is an equal‑opportunity employer open to all qualified applicants regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or expression, Veteran status, or any other legally protected status.
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Base Pay Range $170,000 – $230,000 per year
Overview We are seeking a seasoned, product‑focused Senior AI Backend Engineer to develop and scale the core backend systems that power our platform. In this foundational role you will strategically integrate AI technologies—including LLMs and embeddings—to enhance product capabilities, build robust data pipelines, and ensure stability, high performance, and continuous improvement.
What You'll Do
Develop Foundational Backend Systems: Architect, build, and maintain scalable, high‑performance backend systems critical to product functionality and business growth.
Drive AI Integration: Identify and implement the best ways to incorporate LLMs, embeddings, and other AI technologies into our platform, exploring new possibilities and applying learnings to enhance product offerings.
Architect Data Models: Design and implement robust data models for managing and standardizing data from diverse sources, optimizing these models to support RAG models’ training and inference processes efficiently.
Champion Engineering Excellence: Maintain core product stability and reliability, continuously improving quality and performance while adopting a product‑first mindset.
Contribute to Team Culture: Mentor fellow engineers, champion product‑focused values, and help establish and maintain standards of engineering excellence across the team.
What We're Looking For
5+ years of experience building modern web applications, with a recent focus on leveraging AI/ML technologies.
Strong background in backend development with proven proficiency in Ruby on Rails, JavaScript, Python, or Go.
Hands‑on experience in AI‑driven application development, including experiment setup, dataset curation, model training, offline evaluation, error analysis, deployment, and online evaluation.
Experience with PostgreSQL or other RDBMS.
Solid software engineering practices: coding, unit testing, code reviews, and design documentation.
Excellent communication and collaboration skills, able to translate complex technical concepts into business impact and work effectively with cross‑functional teams.
Why Join Qualified
Foundational Impact: Shape AI integration and backend systems from day one on a small, high‑impact team.
High‑Growth Environment: Establish best practices that scale with rapid company expansion.
Cutting‑Edge AI: Work on unique challenges that define a new generation of B2B AI applications.
Close Leadership Collaboration: Partner with leadership to guide technology strategy.
Career Growth: Grow and lead the backend and AI engineering function as the company expands.
About Qualified Qualified delivers pipeline generation at scale with Piper the AI SDR for thousands of customers. Founded in San Francisco, the company is backed by Sapphire, Tiger Global, Norwest Venture Partners, Redpoint Ventures, and Salesforce Ventures, and it ranks #1 on the Salesforce AppExchange.
Diversity & Inclusion Qualified is committed to building an inclusive environment where everyone can thrive. We strive to create a place where diverse backgrounds and perspectives are valued.
EEO Statement Qualified is an equal‑opportunity employer open to all qualified applicants regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or expression, Veteran status, or any other legally protected status.
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