Java Fullstack Developer with AI

Openkyber is seeking a Java Fullstack Developer with AI for a contract engagement located in Alaska (hybrid). The role supports Minnesota government programs, emphasizing a Spring and Hibernate backend, RESTful services, dynamic forms, and accessible front-end interfaces, with Azure and CI/CD experience. The position requires a minimum of 3 years of professional experience.

Responsibilities

• Collaborate with business users, analysts, QA, and development teams to interpret review program requirements and translate them into concrete designs and working software.
• Support risk assessment, effort estimation, progress reporting, and project planning activities.
• Create architecture diagrams, data models, specifications, API contracts, and component designs aligned with industry best practices.
• Design and implement a new module covering dynamic form construction, review workflows, scheduling, findings, corrective actions, and document management.
• Develop program specific electronic forms across various contexts with validations, scoring logic, and full form lifecycle management.
• Implement RESTful APIs and backend services using Java, Spring MVC, Hibernate/JPA, and SQL.
• Build responsive, mobile-friendly user interfaces with approved front-end frameworks, including client-side validation and WCAG 2.1 AA accessibility.
• Implement document upload, storage and retention with metadata tagging and secure retrieval using approved solutions.
• Develop scheduling components for review phases, notifications, and deadlines using Quartz or equivalent solutions.
• Integrate search capabilities, caching, and performance optimizations where appropriate.
• Support complex reporting requirements, including USDA 640 submissions and related transparency reports.
• Deliver clean, secure, maintainable code with thorough test coverage using JUnit, Spring Test, or equivalent frameworks.
• Identify and resolve defects, performance bottlenecks, and security vulnerabilities while following secure coding and compliance standards.
• Produce documentation covering architecture, APIs, workflows, data models, deployment procedures, and support operations.
• Provide knowledge transfer and technical training to internal staff and support teams.
• Mentor peers, participate in code reviews, and promote development best practices.
• Work autonomously to design and deliver assigned features while coordinating with the broader project team to align with milestones and goals.

Requirements

Minimum experience: 3 years

• Over ten years of professional experience delivering enterprise Java applications and complex multi-module systems.
• At least three years designing or architecting scalable, secure applications using the Spring ecosystem and cloud-based services.
• Deep expertise across the Spring stack, including Spring MVC, Spring Data JPA, Spring Security, and Spring Validation.
• Strong proficiency with Hibernate/JPA, domain-driven modeling, transactional integrity, and relational schema design.
• Hands-on experience building and consuming RESTful APIs, API versioning, and API documentation.
• Experience delivering responsive, accessible front-end interfaces using HTML, JavaScript, jQuery, Bootstrap, or modern frameworks such as React or Angular, with WCAG 2.1 AA compliance.
• Experience building configurable or dynamic form systems, workflow or state-machine logic, and rule-driven validation.
• Strong SQL skills with SQL Server, including writing and optimizing complex queries, indexing, and handling large datasets.
• Practical experience implementing document upload, metadata tagging, retention rules, and secure retrieval.
• Experience generating complex regulatory or compliance reports.
• Solid understanding of application performance tuning, query optimization, and diagnosing CPU/memory constraints using profiling tools.
• Extensive experience writing automated tests using JUnit, Spring Test, or equivalent frameworks.
• Hands-on experience with CI/CD pipelines, automated builds, and deployment automation.
• Strong knowledge of secure coding practices, including protections against SQL injection, XSS, CSRF, parameter tampering, insecure deserialization, and related vulnerabilities.
• Experience proactively identifying security risks, implementing mitigations, and conducting security-focused code reviews.
• Experience working in Agile or Scrum teams, including planning, estimation, and iterative delivery.
• Familiarity with Azure cloud services.
• Proven ability to write production-grade code independently while mentoring peers and supporting other developers.
• Experience serving in a technical lead or solution engineer role, including evaluating approaches and ensuring alignment with enterprise standards.
• Experience designing modular, extensible architectures for complex, workflow-driven systems with dynamic forms, configurable business rules, and state management.
• Experience working in government, regulatory, or compliance-driven environments with strict audit, reporting, and data governance requirements.

Technologies

• Java
• Spring MVC
• Spring Data JPA
• Spring Security
• Spring Validation
• Hibernate/JPA
• RESTful APIs
• HTML
• JavaScript
• jQuery
• Bootstrap
• React
• Angular
• SQL Server
• JUnit
• Spring Test
• CI/CD
• Azure
• Quartz

Sample Tasks

• Engage with business users, analysts, QA, and developers to interpret review program requirements and translate them into technical designs and working software.
• Support risk identification, effort estimation, status reporting, and project planning activities.
• Produce architecture diagrams, data models, specifications, API contracts, and component designs aligned with best practices.
• Design and implement the new module including dynamic form building, review workflows, scheduling, findings, corrective actions, and document management.
• Develop program specific electronic forms across various contexts with validations and form lifecycle states.
• Build RESTful APIs and backend services using Java, Spring MVC, JPA/Hibernate, and SQL.
• Create responsive, mobile friendly user interfaces with approved front end frameworks; implement client side validation and accessibility.
• Implement document upload, storage, retention, metadata tagging, and secure retrieval using approved solutions.
• Develop and maintain scheduling components for review phases, notifications, and deadlines using Quartz or equivalent solutions.
• Integrate search, caching, and performance improvements where applicable.
• Implement complex reporting requirements, including USDA 640 submissions and transparency reports.
• Write clean, secure, maintainable code with comprehensive test coverage using JUnit, Spring Test, or equivalent.
• Identify and resolve defects, performance bottlenecks, and security vulnerabilities; adhere to secure coding and compliance standards.
• Produce documentation for architecture, APIs, workflows, data models, deployment procedures, and support operations.
• Provide knowledge transfer and technical training to internal staff and support teams.
• Mentor and guide other developers, support code reviews, and promote development best practices.
• Work independently to design and deliver assigned features while coordinating with the larger project team to ensure alignment with milestones and goals.