Note: The job is a remote job and is open to candidates in USA. Matter Neuroscience is a small but growing startup building the world’s first emotional fitness community. They are seeking a Senior Backend Engineer to help build and scale backend services and AI infrastructure that powers their product experience.

Responsibilities

• Ship features across the entire backend stack, from infrastructure to product endpoints
• Evolve our chat harness so we can quickly and safely experiment with AI behavior in response to product needs
• Improve evaluations and other quality-control measures to benchmark utility and accuracy of chat for our users
• Optimize AI/ML usage for speed, cost, and reliability
• Establish and follow best practices for scalability, security, testing, monitoring, alerting, and AI systems operations
• Partner closely with product, your engineering teammates, and leadership to translate product goals into reliable technical systems

Skills

• 4+ years of experience working on a large-scale backend system
• Production experience in TypeScript, Python or Go (Matter uses TypeScript)
• Strong SQL and data skills
• Familiarity with AWS or GCP, experience with infrastructure-as-code a plus
• Experience building reliable, observable, and maintainable production systems
• Proactive communication in a fully remote environment
• Strong ownership and a bias for action
• Developing a chat-based system that can answer questions reliably and accurately
• Building an internal data-analysis chatbot, AI analyst, support copilot, search/Q&A tool, or similar product
• Working with LLMs, evals, prompt/version management, observability, cost optimization, or AI safety practices
• Working on consumer, health, wellness, productivity, or other trust-sensitive products

Benefits

• Equity ownership
• 20 vacation days, plus the last week in December off
• 100% company-funded, premium healthcare coverage for you and your dependents
• Remote-first work environment

Company Overview