> Markdown version of [/jobs/ext/3697736-software-engineer](https://www.wearedevelopers.com/jobs/ext/3697736-software-engineer). 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). --- # Software Engineer - **Company:** Harnham Inc. - **Location:** Phoenix, AZ, United States - **Experience:** Expert - **Salary:** $120,000.0 - $145,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Agile Methodology, Amazon Web Services, Amazon S3, Cloud Computing Security, Cloud Engineering, Continuous Integration, DevOps, Distributed Systems, Python (Programming Language), Node.Js, Software Engineering, TypeScript, Cloud Platform System, ReactJS, AWS Lambda, Backend, Build Management, Deployment Automation, Functional Programming, Api Gateway, Restful APIs, Serverless Computing, Microservices - **Published:** October 12, 2026 - **Apply:** https://www.juju.com/job/2_163945478 ## About the Role * 2-8+ years of software engineering experience * Strong hands-on experience with AWS Serverless (Lambda, S3, API Gateway) * Proficiency in Nodejs for backend development * Solid understanding of cloud-native architecture and distributed systems * Experience working in Agile environments with CI/CD pipelines * Experience building modern front-end applications with React / ReactJS (Nice to have) ## Description We're partnering with a large, well-established national organization to hire a Senior Software Engineer with strong AWS Serverless, Python or Node.js, and Javascript/Typescript experience to help scale and modernize their cloud platform. This role sits at the center of a fast-moving engineering team responsible for powering customer-facing applications (leasing, payments, maintenance) and internal systems. You'll design and build scalable, serverless backend services in AWS while contributing to modern React-based front-end applications. This is a hands-on senior IC role with strong ownership across cloud architecture and application development. The Engineering Environment The team operates in a high-velocity Agile environment focused on: * AWS-first, serverless architecture (Lambda, S3, API Gateway, etc) * Cloud-native microservices * Continuous integration and delivery * Modern DevOps practices * Ongoing platform modernization and legacy refactoring What You'll Be Working On * Design and build serverless backend services using AWS Lambda, S3, and related AWS services * Develop RESTful APIs and event-driven workflows in Python * Build and enhance modern front-end applications using React / ReactJS * Architect scalable, secure cloud-native solutions * Optimize performance, reliability, and cost efficiency in AWS environments * Participate in CI/CD pipelines and automated deployments * Collaborate with product, QA, and cross-functional teams to ship high-quality releases