> Markdown version of [/jobs/ext/3933171-senior-typescript-engineer-node-js-react](https://www.wearedevelopers.com/jobs/ext/3933171-senior-typescript-engineer-node-js-react). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Typescript Engineer / Node.JS / React - **Company:** Kelly Services Inc. - **Location:** Chicago, IL, United States - **Experience:** Expert - **Salary:** $180,000.0 - $220,000.0 - **Contract:** Permanent contract - **Skills:** Cloud Computing, Data Infrastructure, DevOps, Distributed Systems, Machine Learning, Node.Js, Performance Tuning, Reliability Engineering, Ruby, Software Engineering, Systems Integration, TypeScript, ReactJS, Software Troubleshooting, Backend, Infrastructure Automation Frameworks, Data Pipelines, Microservices - **Published:** October 26, 2026 - **Apply:** https://www.chicagocareersite.com/job.asp?id=3467256415&tx=FJ7572FFJ&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * 8+ years of professional software engineering experience * 5+ years focused on backend engineering, platform engineering, or site reliability engineering * Experience building and supporting distributed systems * Strong knowledge of cloud infrastructure and services * Advanced proficiency in at least two of the following: Ruby, Node.JS, TypeScript, etc * Experience with microservices architectures * Strong troubleshooting and performance optimization skills Desired Skills & Experience * Experience supporting large-scale data pipelines * Experience maintaining highly available production systems * Knowledge of observability and monitoring platforms * Experience with DevOps and infrastructure automation * Exposure to machine learning or IoT ecosystems * Experience working within fast-paced product organizations ## Description * 40% Backend Development * 30% Cloud Infrastructure & Distributed Systems * 20% Reliability, Automation & Operations * 10% Data Platform & Integrations Daily Responsibilities * 80% Hands On * 5% Management Duties * 15% Team Collaboration