About the Role

We're seeking a fully-remote Senior Fullstack Engineer in a USA-aligned timezone to join our team building APX (Application Performance Xcellerator), an innovative platform that leverages AI to revolutionize how organizations optimize and maintain their data-intensive applications. You'll be at the forefront of creating an intelligent system that automatically detects, diagnoses, and resolves performance, reliability and cost issues while seamlessly integrating with modern development workflows.

What You Will Do

• Design and implement our multi-agent system architecture using Python and TypeScript to bring a 0-to-1 product to life
• Design, develop, and maintain a scalable, reliable, and secure backend using Python and Typescript
• Develop specialized AI agents
• Create interfaces for human experts to review and refine agent recommendations
• Build and maintain advanced integrations with APM/Cloud/Developer/Database/Observability platforms (e.g. Datadog, PostgreSQL, Github)
• Engineer feedback loops to improve agent performance based on human input
• Work with founders and frontend engineers to rapidly prototype user flows, gather customer feedback and iterate accordingly
• Troubleshoot and debug complex fullstack issues

What We Look For

• 6+ years of professional software engineering experience with Python and TypeScript, AI/LLM experience is a plus
• Proven track record of rapidly shipping high-quality backend systems
• Demonstrated commitment to excellent developer experiences and open source code
• Solid understanding of distributed systems, microservices architecture, and event-driven architectures
• Experience with databases (PostgreSQL, MySQL, MongoDB), caching systems (Redis, Memcached), and message queues (Kafka)
• Experience with developer operations, including Cloud providers such as AWS and containerization technologies
• Solid understanding of web security best practices
• Outstanding communication, leadership, and collaboration skills
• Bachelor's or Master's degree in Computer Science, Software Engineering, or equivalent experience

How to Apply

Send your resume to jobs@stepchange.work. We aim to get back to submissions within 3-5 working days.