> Markdown version of [/jobs/ext/3620663-full-stack-backend-developer](https://www.wearedevelopers.com/jobs/ext/3620663-full-stack-backend-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). --- # Full Stack / Backend Developer - **Company:** JSR Tech Consulting - **Location:** Newark, NJ, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Unix, Command-Line Interface, Cloud Engineering, Data Stores, Relational Databases, Linux, Java Web Services, JSON, WildFly (JBoss AS), Apache Maven, MongoDB, Node.Js, Cloud Services, Software Engineering, Data Streaming, Multithreading, Chatbots, Mern, ReactJS, Retrieval-Augmented Generation, Large Language Models, Concurrency, Spring-boot, Parallel Computation, Agentic-AI, Restful APIs, Amazon Simple Queue Service (SQS), Microservices - **Published:** October 8, 2026 - **Apply:** https://www.thejobnetwork.com/job/2d011861-06e4-40c3-9058-9dac4ba4ac61/full-stack-developer ## About the Role * Experience with Python, Java, and JavaScript; working in distributed systems, object-oriented programming, design patterns, and design methodology \n * Experience with Java services using Spring CLI, Maven, Microservices, multi-threading, concurrency, and parallel processing \n * Frameworks: Spring Boot, Node.js (Full/MEAN/MERN stack) \n * Data Store: Non-relational and relational data structures; MongoDB; BPM tools \n * Data Streaming: SQS, Kinesis \n * Ability to work effectively in cross-functional teams and with business partners to develop high-quality applications \n * Hands-on experience with AWS cloud services and cloud-native application development \n * Recent experience building enterprise GenAI solutions, including AI agents, chatbots, or RAG applications \n * Experience with AWS Bedrock or other enterprise LLM platforms \n * 5+ years of relevant experience with Java-related technologies on Unix or Linux \n * 5+ years of relevant experience with backend technologies including JBoss, Spring Boot, REST \n * 3+ years of relevant experience with client-side technologies including React, JavaScript, JSON, REST \n