> Markdown version of [/jobs/ext/2769383-senior-software-engineer-back-end-developer](https://www.wearedevelopers.com/jobs/ext/2769383-senior-software-engineer-back-end-developer). 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 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:** September 7, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3381146614&tx=IT8578TYV&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 ## Related Videos - [Modular Secrets to Lightning-Fast Android Builds](https://www.wearedevelopers.com/videos/1428-modular-secrets-to-lightning-fast-android-builds) - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [The Road to MLOps: How Verivox Transitioned to AWS](https://www.wearedevelopers.com/videos/1050-the-road-to-mlops-how-verivox-transitioned-to-aws) - [Empowering Thousands of Developers: Our Journey to an Internal Developer Platform](https://www.wearedevelopers.com/videos/1519-empowering-thousands-of-developers-our-journey-to-an-internal-developer-platform) - [Moving from Java to Kotlin](https://www.wearedevelopers.com/videos/384-moving-from-java-to-kotlin) - [Introducing Kotlin Multiplatform in an existing project](https://www.wearedevelopers.com/videos/276-introducing-kotlin-multiplatform-in-an-existing-project) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe)