> Markdown version of [/jobs/ext/4634297-full-stack-software-engineer-java-react-aws-spark](https://www.wearedevelopers.com/jobs/ext/4634297-full-stack-software-engineer-java-react-aws-spark). 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). --- # Full Stack Software Engineer - Java | React | AWS | Spark - **Company:** SOMERSET STAFFING LLC - **Location:** Mechanicsburg, PA, United States - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Cloud Computing, Databases, Microsoft SQL Server, MongoDB, Cloud Services, Software Engineering, ReactJS, Claude Code, Apache Spark, Spring-boot, AI Coding Agents, Pyspark, Kubernetes, Apache Kafka, Restful APIs, Terraform, OpenSearch, Docker - **Published:** November 8, 2026 - **Apply:** https://www.careerbuilder.com/job-details/full-stack-software-engineer-java-react-aws-spark-mechanicsburg-pa--cd654cf3-2699-4815-b3cd-69554483b90d ## About the Role Software Engineering, Amazon Web Services (AWS), Java, MongoDB, Java, Docker, Application Programming Interface (API), Knowledge Base, Cloud Computing, REST (Representational State Transfer), Core stack: Strong AWS experience: EKS, EMR, OpenSearch, and DocumentDB Containers: Docker, and running services on Kubernetes Spark / PySpark and Kafka (event-driven processing) Java / Spring Boot SQL Server and MongoDB / Amazon DocumentDB React REST API integration Exposure to infrastructure as code (Terraform) Strong AI-native habits: Uses AI coding assistants such as Claude Code every day Writes clear prompts and gives the assistant good context Works from the team's shared skills and knowledge bases Approximate skill breakdown: AWS (EKS, EMR, OpenSearch, and general cloud services): 35% Spark / PySpark and Kafka (event-driven): 30% Java / Spring Boot, React, and databases (DocumentDB, SQL Server): 35%