Staff Engineer, Revenue Cycle — AI-Driven Backend

F-Prime Capital; Dallas (TX); On-site; USD 160,000 - 200,000; Full time

Benefits offered by this job

PTO

Holiday schedule

Free therapy coverage

Medical, Dental, Vision

HSAs with company contribution

Parental Leave

401(k) match

Company gathering

Company shutdown between holidays

Supplemental life insurance

Job summary

SonderMind in Dallas, TX is seeking a Staff Engineer to own end-to-end features across backend services, AI pipelines, and frontend components, shaping a microservices architecture with product, design, and QA collaboration.

You will design scalable Ruby/Rails, TypeScript/Node, and Python services, optimize queries in PostgreSQL and MongoDB, and mentor junior engineers while navigating evolving AI-enabled tools.

Qualifications

• 8+ years building web services or full-stack applications.
• Strong hands-on experience in Ruby/Rails, TypeScript/Node, Python or similar backends.
• Deep understanding of APIs, PostgreSQL, and some performance tuning.
• Proven ability to balance short-term delivery with long-term technical investments and continuous improvement of quality.
• Comfortable working in a fast-paced, ambiguous environment where requirements evolve over time.

Responsibilities

• Design, build, and maintain scalable Ruby/Rails, TypeScript/Node, and Python services and RESTful or gRPC APIs that integrate with agentic GenAI systems.
• Optimize MongoDB and PostgreSQL queries and service performance.
• Collaborate with cross-functional squads to define requirements and deliver features.
• Work on AI Agents, MCP servers and various other AI enabled tools and frameworks and so must be comfortable working with ambiguity and rapidly evolving technologies.
• Identify and drive process, architecture, and toolchain improvements.
• Mentor junior engineers (code reviews, pair-programming etc)
• Serve as a technical lead for complex projects, balancing scope, risk, and not compromising deliverable quality.

Skills

Ruby/Rails

TypeScript/Node

Python

APIs

Performance tuning

Tools

PostgreSQL

MongoDB

Job description

SonderMind in Dallas, TX is seeking a Staff Engineer to own end-to-end features across backend services, AI pipelines, and frontend components, shaping a microservices architecture with product, design, and QA collaboration.

You will design scalable Ruby/Rails, TypeScript/Node, and Python services, optimize queries in PostgreSQL and MongoDB, and mentor junior engineers while navigating evolving AI-enabled tools.