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# Senior Software Engineer, Full-Stack Applications - Ratings Technology

- **Company:** Fitch Group, Inc.
- **Location:** Toronto, OH, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Software Quality, Code Review, Continuous Integration, Distributed Systems, Python (Programming Language), ReactJS, Large Language Models, Spring-boot, Generative AI, Backend, Git, Machine Learning Operations, Restful APIs, Microservices
- **Published:** August 11, 2026
- **Apply:** https://us.experteer.com/career/view-jobs/senior-software-engineer-full-stack-applications-ratings-technology-toronto-oh-usa-58900537

## About the Role

_ AI innovation with delivery * Mentor engineers, drive knowledge sharing, and cultivate engineering excellence and continuous learning * Balance rapid delivery with engineering standards; design production-ready, scalable solutions * Own production reliability: monitoring, observability, performance improvements, and operational excellence Tasks * 12+ years of full-stack development experience * Proficiency in Java, Springboot, Python, REACT * Experience designing and delivering scalable, production-quality systems * Strong architectural and design skills: RESTful APIs, microservices, distributed systems * Bachelor's degree in CS/Software Eng or equivalent * Expert knowledge of modern development practices: TDD, advanced Git, CI/CD, code quality * Leadership and collaboration: cross-functional team leadership and stakeholder communication * Strategic understanding of AI/ML and ability to drive adoption in production Key requirements *

## Description

Experteer Overview Senior Software Engineer to lead AI-enabled, full-stack platform development in Fitch's Toronto AI Innovation hub. You will architect and implement production-grade, scalable applications that integrate generative AI with traditional finance workflows. You'll collaborate with ML engineers to shape AI-powered platforms used by analysts and financial professionals. This high-impact role offers ownership of architecture, greenfield initiatives, and a clear path to senior technical leadership within a fast-paced, innovation-driven culture. Compensation / Benefits * Architect and lead full-stack features using Java/Springboot, Python, and REACT; own UI, backend, APIs, and infrastructure decisions * Lead AI/ML integration architecture for generative AI, LLMs, and intelligent automation * Enforce engineering excellence: code reviews, CI/CD improvements, debt management, and architecture optimization * Coordinate with ML engineers, product managers, and stakeholders to align AI innovation with delivery * Mentor engineers, drive knowledge sharing, and cultivate engineering excellence and continuous learning * Balance rapid delivery with engineering standards; design production-ready, scalable solutions * Own production reliability: monitoring, observability, performance improvements, and operational excellence Tasks * 12+ years of full-stack development experience * Proficiency in Java, Springboot, Python, REACT * Experience designing and delivering scalable, production-quality systems * Strong architectural and design skills: RESTful APIs, microservices, distributed systems * Bachelor's degree in CS/Software Eng or equivalent * Expert knowledge of modern development practices: TDD, advanced Git, CI/CD, code quality * Leadership and collaboration: cross-functional team leadership and stakeholder communication * Strategic understanding of AI/ML and ability to drive adoption in production Key requirements *


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