Senior Full Stack Java Developer

Quantam Solutions provides IT solutions and consulting for various clients. We offer competitive hourly wages, health benefits, paid time off, and a 401(k) plan. We are currently seeking a Senior Full Stack Java Developer. Candidates must be located within 90 miles of Dimondale, MI. Interviews will be held in person in Dimondale, MI. There is no option for a video interview. The work schedule is hybrid with two days onsite in Dimondale, MI and three days remote. There is no option for a fully remote work schedule.

Required Skills

• 10 years of professional experience in software/application development, with strong expertise in Java and enterprise-level system development.
• 3 years of hands-on experience with microservices architecture, containerization using tools such as Docker, and container orchestration platforms such as OpenShift or Kubernetes.
• Strong experience designing multi-tier applications, distributed systems, and high-availability solutions.
• Strong understanding of REST APIs, service integration patterns, CI/CD pipelines, and secure application design.
• Proven expertise in modern security protocols and authentication frameworks, including OAuth 2.0, SAML, OpenID Connect, and JSON Web Tokens, JWT.
• Hands-on experience implementing secure and scalable identity and access management solutions across distributed systems.
• Proven full stack development experience across both front-end and back-end technologies.
• Strong proficiency in Java, Spring, Spring Boot, Oracle, and Hibernate/JPA.
• Strong front-end development skills using Angular, React, HTML5, CSS3, JavaScript, and TypeScript.
• Extensive experience working with relational and NoSQL databases.
• Experience with message queuing systems such as IBM MQ or equivalent technologies.
• Familiarity with Agile/Scrum methodologies and the ability to thrive in a fast-paced, iterative development environment.
• Strong background in DevOps practices and tools, including Git, Jenkins, Docker, Kubernetes, and Maven.
• Expert-level proficiency in Core Java, Multithreading, Collections, Concurrency, and JVM performance tuning.
• Knowledge of Test-Driven Development, TDD, and hands-on experience with automated testing frameworks such as JUnit and Selenium.
• Experience with the Playwright testing platform is desirable.
• Knowledge of AI-driven code development tools such as Amazon Q and Kiro.
• Excellent problem-solving, debugging, and analytical skills, with the ability to troubleshoot and resolve complex technical issues efficiently.
• Strong communication and collaboration skills, with the ability to work effectively in cross-functional teams.

Responsibilities

• Design, develop, and maintain full stack applications using Java/Spring Boot on the back end and modern JavaScript frameworks such as React, Angular, or Vue on the front end.
• Lead the development of scalable, secure, and high-performance solutions using Java-based technologies.
• Collaborate closely with product owners, architects, and cross-functional teams to deliver full stack solutions aligned with business goals.
• Design, develop, and consume RESTful APIs, and integrate applications with third-party services and platforms.
• Build responsive, user-friendly UI components using modern front-end frameworks to ensure a seamless user experience across devices.
• Actively contribute to DevOps practices, including CI/CD, containerization using Docker/Kubernetes, and automated testing.
• Participate in Agile/Scrum ceremonies and collaborate effectively within an agile development environment.
• Analyze, design, document, implement, and test software solutions based on detailed user stories managed through Jira.
• Ensure accurate and timely time tracking for billing and reporting purposes.
• Work alongside product owners to understand and define complex business processes and translate them into effective technical solutions.
• Identify common issues and recurring patterns across applications to design reusable, scalable solutions that reduce redundancy and improve maintainability.
• Provide knowledge transfer and mentorship to team members to ensure continuity and shared understanding of developed solutions.

Detailed Skills Required

• Proven ability to communicate effectively with both technical teams, including developers, testers, and architects, as well as business stakeholders, including product owners, project managers, and executives.
• Ability to ensure alignment between business requirements and technical capabilities.
• Extensive experience working in Agile and Hybrid environments, including Scrum and Kanban.
• Strong track record of translating business requirements into actionable user stories for development teams.
• Familiarity with traditional SDLC methodologies such as Waterfall.
• Strong understanding of enterprise software integration, including how applications interface with other systems and databases to support scalable and cohesive business solutions.
• Knowledge of IT infrastructure and architecture, APIs, middleware, and the evaluation of legacy versus emerging technologies in software development decisions.
• Skilled at identifying functional and technical gaps in existing systems and designing targeted solutions.
• Ability to develop new features, integrate third-party applications, and enhance legacy platforms to meet business needs effectively.