Senior Software Engineer, Platform

Qualified • San Francisco, CA

1d

About The Position

Join our Platform Engineering Team at Qualified as a Senior Platform Engineer and play a pivotal role in constructing and maintaining the critical systems that form the backbone of our operations. Our team is responsible for developing scalable, high-performance backend systems foundational to our product's functionality. Your goal will be to ensure these systems are robust, secure, and capable of supporting complex, real-time interactions with our customers, while maintaining high standards of reliability and performance.
This is a technical role with high impact where you will drive the evolution of our engineering practices and architectural standards. You will provide technical guidance and mentor other developers to foster a culture of excellence within the organization. Beyond code, you will collaborate with cross-functional partners to ideate and execute platform initiatives that solve complex problems. Earning customer trust is paramount; therefore, you will focus on delivering business-critical solutions that directly contribute to our customers' success and ROI

Requirements

• Expert-level proficiency in AI-assisted software development (e.g., Claude, Cursor, etc); you are capable of leveraging these tools to significantly accelerate your output from day one.
• 5+ years of experience in professional full-stack or backend software development.
• Proficiency in programming languages such as Ruby on Rails, Python, or Go.
• Proven experience working with backend programming languages and familiarity with SQL, RDBMS (PostgreSQL preferred), and data warehousing solutions.
• Experience with deploying and monitoring code on cloud platforms such as AWS, Google Cloud, or Azure.
• Strong software engineering practices (e.g. coding, unit testing, code reviews, design documentation).
• Strong debugging skills and experience solving complex technical problems.
• Experience in leading large-scale projects while guiding and mentoring other developers.
• A commitment to quality, demonstrated by rigorous testing and code review practices.
• B.S. or higher in Computer Science (or equivalent work experience).

Responsibilities

• Construct and maintain the critical systems that form the backbone of our operations.
• Develop and maintain scalable, high-performance backend systems foundational to our product's functionality.
• Continuously improve system performance, identify bottlenecks, and deploy optimizations for smooth operation at scale.
• Support and scale highly-available, highly-trafficked services essential for our customers' time-sensitive, business-critical needs.
• Evaluate new technologies and introduce new subsystems as the footprint and complexity of our product grows.
• Uphold high standards of quality through best practices in coding, testing, deployment, and proactive system health monitoring.
• Mentor other engineers, help build our team's culture, and set standards for engineering excellence.
• Embrace a culture of flexibility and efficiency, moving fast to capture the huge opportunity before us.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level