Senior Software Engineer
First Resonance8 months ago
Base Salary
$160k - $190k/yr
Responsibilities
- Own and deploy end-to-end full-stack features using Python, Next.js, and TypeScript.
- Develop GraphQL queries and mutations and design relational data models in Postgres.
- Build and maintain scalable AWS services for multi-tenant SaaS environments.
- Lead adoption of AI coding tools to automate boilerplate, refactor legacy logic, and accelerate delivery.
- Write design specifications and UML/system-flow diagrams for teammates and AI agents.
- Drive modular architecture, reliability, and comprehensive testing with Pytest and Jest.
Requirements
- 6+ years of technical experience building and scaling production-grade software.
- Expert-level Python experience, including ORMs such as SQLAlchemy and asynchronous processing.
- Proficiency with TypeScript, React, and Next.js.
- Hands-on experience with AWS and deploying multi-tenant SaaS environments.
- Strong GraphQL and API design experience, with familiarity with Domain-Driven Design or event-driven systems.
- Pro-AI mindset and active use of coding assistants to improve productivity and code quality.
- Preferred experience with Terraform or CDK, manufacturing tools or high-stakes industrial environments, and complex ETL processes for industrial data.
Benefits
- Comprehensive medical, vision, dental, and life insurance.
- Employee Stock Option Plan and 401K.
- Unlimited PTO and a hybrid work schedule.
- Paid parental leave, team outings, group lunches, and an open office in El Segundo.
- Full-time role based in Los Angeles, California, with headquarters in El Segundo.
Tech Stack
Categories
About First Resonance
First Resonance builds the ION Factory OS, a manufacturing operations platform for complex hardware makers in aerospace, automotive, energy, and other industries. It provides part traceability, workflow execution, and data integration via APIs to connect production, quality, and supply chain across the factory. Founded in 2019 and headquartered in Los Angeles, the privately held company sells its software to manufacturers as a subscription and raised a Series C round in 2024.