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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full-Stack Java Developer - **Company:** AllSTEM Connections - **Location:** Ontario, CA, United States - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Java (Programming Language), Amazon Web Services, Component-Based Software Engineering, Application Frameworks, Application Layers, Business Logic, Application Performance Management, Unit Testing, Cloud Computing, Cloud Engineering, Program Optimization, Software Quality, Code Review, Database Storage Structures, Software Debugging, Design of User Interfaces, Spring Framework, Object-Oriented Software Development, Systems Architecture, Backend, AngularJS, Deployment Automation, Front End Software Development, Restful APIs, Microservices - **Published:** June 24, 2026 - **Apply:** https://www.dice.com/job-detail/c5bd7665-6322-4b54-b9f7-923e2a63cde4 ## About the Role Moving seamlessly between backend system architecture and modern front-end design, you will collaborate with cross-functional stakeholders to translate complex business logic into efficient technical specifications. The ideal contractor possesses a deep technical toolkit across cloud environments, writes pristine, modular code, and brings a proven history of technical leadership to maintain absolute application performance and reliability., Experience Baseline: Minimum of 6 to 9 years of professional experience in enterprise-grade Java development. Leadership Depth: Minimum of 1 to 2 years of experience serving explicitly in a technical lead or project lead capacity. Advanced Hard Filters (6-9 Years of Verifiable Depth Required for Each): oAdvanced Java Mastery: Expert-level capability designing, debugging, and scaling core Java application frameworks. oAdvanced Angular Fluency: Proven hands-on track record building complex front-end modules, managing application state, and driving user-experience optimizations. oAdvanced AWS Core: Solid working knowledge of cloud-native computing, storage, deployment automation, and routing within the Amazon Web Services ecosystem. Competencies: Exceptional written and verbal communication habits, strong analytical problem-solving skills, and a proven history of operating successfully within fast-paced, collaborative project teams. Preferred Qualifications Prior professional development experience or domain knowledge within the Investment, Wealth Management, Retirement Services, or broader FinTech industries is highly preferred. ## Description We are seeking a highly accomplished and technically secure Senior Full-Stack Java Developer to join an enterprise project team on a contract basis. In this senior individual contributor seat, you will take operational ownership of designing, engineering, and maintaining scalable, high-performance web applications., Backend Engineering & Cloud Architecture Scalable Application Design: Architect, build, and sustain advanced, high-availability backend microservices and application layers utilizing Advanced Java frameworks. Cloud Infrastructure: Leverage Amazon Web Services (AWS) to deploy, configure, and optimize cloud-native application components, ensuring code is tailored for distributed cloud environments. Modular Code Delivery: Write clean, highly efficient, well-documented, and reusable code components following strict object-oriented design patterns and enterprise best practices. Front-End Integration & Full-Stack Synergy Responsive UI Development: Design and engineer complex, single-page client interfaces using Advanced Angular, ensuring robust cross-platform responsiveness and seamless backend API integration. Full-Stack Bridging: Own technical outcomes end-to-end, connecting scalable database structures and RESTful APIs directly to client-facing web components. Technical Leadership & Quality Governance Requirement Translation: Analyze complex user requirements and translate them into functional, maintainable, and highly secure technical solutions. Code Quality Assurance: Champion high code quality by conducting comprehensive unit testing, system debugging, and active participation in peer code review loops. System Optimization: Stay continuously updated on evolving Java and cloud methodologies, proactively recommending and implementing system performance improvements. Project Mentorship: Provide technical direction, architectural guidance, and process oversight to project team members, drawing on prior technical leadership experience to keep development velocities aligned with milestones. ## Related Videos - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) - [Are Code Reviews Worth It? Insights from 16 Years of Review Data](https://www.wearedevelopers.com/videos/1135-are-code-reviews-worth-it-insights-from-16-years-of-review-data) - [How to Stop Choosing JavaScript Frameworks and Start Living](https://www.wearedevelopers.com/videos/118-how-to-stop-choosing-javascript-frameworks-and-start-living) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Build a CI/CD pipeline to automate code reviews and ensure code quality](https://www.wearedevelopers.com/videos/349-build-a-ci-cd-pipeline-to-automate-code-reviews-and-ensure-code-quality) - [Stand alone components in Angular](https://www.wearedevelopers.com/videos/656-stand-alone-components-in-angular) ## Related Articles - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)