Sr. FS Software Engineer(Python/React)

Required Skills & Experience

Full Stack Engineering

• 10+ years of software engineering experience
• Strong hands-on Python backend + React frontend
• FastAPI experience
• Experience building modern applications/platforms from the ground up Cloud & AI-First Development
• Strong cloud development experience with GCP or AWS
• Hands-on experience using AI-assisted coding / agentic development
• Comfortable with spec-driven development
• Experience building and deploying cloud-native applications, APIs, and services Education & Working Style
• Bachelor’s degree required
• Strong ownership mentality and ability to work through ambiguity
• Able to move quickly, iterate, and ship working software True hand-to-keyboard engineer comfortable in a greenfield environment

Nice to Have Skills & Experience

Plusses

• Powertrain / Powertrain Calibration experience
• Automotive software experience
• Strong GCP experience
• Vertex AI, ADK, Gemini, or similar Google AI/agentic tooling
• Greenfield/startup-style platform development Master’s degree preferred

Job Description

Role Overview IG's client is building a greenfield software platform supporting Powertrain Calibration with an AI-first, agentic approach. This Senior Full Stack Engineer will be a hands-on builder across Python/FastAPI backend and React frontend, leveraging AI-assisted development to rapidly build and ship new capabilities. Day to Day

• Build the greenfield platform across React and Python/FastAPI
• Design and develop backend services, APIs, integrations, and frontend functionality
• Use AI-assisted/agentic coding throughout the development lifecycle
• Work within a spec-driven development model
• Turn loosely defined requirements into working software
• Own technical problems end to end and make decisions in ambiguous situations
• Rapidly build, test, ship, and iterate on new functionality Partner closely with Powertrain/Calibration stakeholders to translate business needs into technical solutions

Exact compensation may vary based on several factors, including skills, experience, and education. Benefit packages while on contract for this role will start on the 31st day of employment and include medical, dental, and vision insurance, as well as HSA, FSA, and DCFSA account options, and 401k retirement account access with employer matching. Employees in this role are also entitled to paid sick leave and/or other paid time off as provided by applicable law.