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# Senior Software Engineer / Back end developer

- **Company:** Kelly Services Inc.
- **Location:** Waltham, MA, United States
- **Experience:** Expert
- **Salary:** $170,000.0 - $220,000.0
- **Contract:** Permanent contract
- **Skills:** Testing (Software), Java (Programming Language), JavaScript (Programming Language), Artificial Intelligence, Bash Shell, Cloud Computing, Cloud Engineering, Continuous Integration, Gradle, Python (Programming Language), Apache Maven, Systems Development Life Cycle, Software Engineering, TypeScript, Data Logging, Grafana, Kotlin, Containerization, Kubernetes, Information Technology, Build Tools, Npm(Software), Jenkins
- **Published:** October 26, 2026
- **Apply:** https://www.techcareers.com/job.asp?id=3468070210&tx=IT8477TTZ&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

* 6+ years of software development experience
 * Bachelor's degree in Computer Science or related field
 * Strong experience with at least one of the following: Java, Kotlin, JavaScript, TypeScript, Python, or Bash
 * Experience designing and leading technical projects
 * Experience working in cloud-native environments
 * Strong problem-solving and communication skills
 * Passion for AI technologies and developer productivity Desired Skills & Experience
 * CI/CD experience, particularly Jenkins
 * Infrastructure-as-Code experience - Kubernetes and containerization experience
 * Experience with developer platforms and portal technologies such as Backstage
 * Familiarity with observability tools, monitoring, logging, and tracing
 * Experience with build tools such as Maven, Gradle, npm, or nx
 * Software testing and automation experience

What You Will Be Doing Tech Breakdown

 * 40% Platform Engineering & Developer Experience
 * 25% AI-Driven SDLC Initiatives
 * 20% Cloud Infrastructure & Automation
 * 15% CI/CD, Observability & Internal Tooling

Daily Responsibilities

 * 75% Hands-On Engineering
 * 15% Cross-Functional Collaboration
 * 10% Technical Leadership & Strategy