> Markdown version of [/jobs/ext/462630-java-fullstack-developer](https://www.wearedevelopers.com/jobs/ext/462630-java-fullstack-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). --- # Java Fullstack Developer - **Company:** CYNET SYSTEMS INC. - **Location:** Pittsburgh, PA, United States - **Salary:** $93,600.0 - $104,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, Application Performance Management, Software Quality, Code Review, DevOps, Scrum Methodology, Retrieval-Augmented Generation, Large Language Models, Spring-boot, Amazon Relational Database Service, Deployment Automation, Front End Software Development, Functional Programming, Api Gateway, Restful APIs, Microservices - **Published:** June 1, 2026 - **Apply:** https://www.dice.com/job-detail/f71f7cde-5085-40c5-bc7c-cfc1c594e2df ## About the Role * We are looking for a skilled Java Backend Developer with exposure to AWS and emerging AI technologies to design, develop, and deploy scalable microservices and intelligent applications. Requirement/Must Have: * Strong experience in Core Java, Spring Boot, and REST APIs. * Knowledge of LLMs, AI agents, and Retrieval-Augmented Generation (RAG) frameworks., * Core Java. * Spring Boot. * REST API. * Microservices. * AWS. ## Description * Design, develop, and maintain scalable microservices using Core Java and Spring Boot. * Build and expose RESTful APIs ensuring high performance and security. * Deploy, monitor, and manage applications on AWS cloud services (EC2, S3, Lambda, RDS, API Gateway). * Implement and maintain CI/CD pipelines for automated deployments. * Integrate LLMs (Large Language Models) into backend services. * Develop AI agents using frameworks like AutoGen and implement RAG (Retrieval-Augmented Generation) solution. * Ensure code quality through best practices, code reviews, and testing. * Identify and resolve technical issues, bottlenecks, and performance problems. * Collaborate with cross-functional teams including frontend, DevOps, and product stakeholders. * Participate in Agile ceremonies such as sprint planning, stand-ups, and retrospectives. * Maintain proper documentation for APIs, system design, and workflows. * Monitor application performance and optimize for scalability and reliability. Nice to Have: * Experience with emerging AI technologies. ## Related Videos - [Java Meets AI: Empowering Spring Developers to Build Intelligent Apps](https://www.wearedevelopers.com/videos/1554-java-meets-ai-empowering-spring-developers-to-build-intelligent-apps) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [20 billion requests a week: Upgrading Twilio's API gateway at scale](https://www.wearedevelopers.com/videos/100234-20-billion-requests-a-week-upgrading-twilio-s-api-gateway-at-scale) - [WeAreDevelopers LIVE - CSS is DOOMed](https://www.wearedevelopers.com/videos/1838-wearedevelopers-live-css-is-doomed) - [Building the Future of Java: AI Agents, MCP, and Next-Gen App Development](https://www.wearedevelopers.com/videos/100113-building-the-future-of-java-ai-agents-mcp-and-next-gen-app-development) - [Our GitOps approach for deploying an Identity Provider and an API Gateway in a SaaS company](https://www.wearedevelopers.com/videos/776-our-gitops-approach-for-deploying-an-identity-provider-and-an-api-gateway-in-a-saas-company) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [7 Cloud Computing Trends Coming in 2025 for Developers](https://www.wearedevelopers.com/magazine/412-7-cloud-computing-trends-coming-in-2025-for-developers) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [6 Reasons to Use Java For Your Next AI Project](https://www.wearedevelopers.com/magazine/111-6-reasons-to-use-java-for-your-next-ai-project) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)