Senior Java Developer

Position: Senior Java Developer

Location: Onsite/Toronto

Job ID#: RQ10813

Duration: 6 months

Scope

The Justice Technology Services – Digital Design Branch requires a software developer with experience in the design and development of middleware and integration solutions. The developer will build integration infrastructure for Criminal Justice Digital Design (CJDD) products and work on various application integration endpoints, including:

• Criminal eIntake
  
• Digital Disclosure and Hearing Hub (D2H2)
  
• Digital Information Repository (DIR)
  
• ICON Integration workstreams
  

Assignment Deliverables

Development

• Coding and unit testing of interfaces using Spring Boot/Spring Framework in an Azure cloud environment.
  
• Translating functional specifications into working, tested applications.
  
• Writing and/or generating code.
  
• Conducting unit tests and debugging code.
  
• Compiling data‑driven programs.
  

Design & Documentation

• Participating in the creation of high‑quality software designs.
  
• Contributing to documentation across SDLC phases.
  
• Developing detailed programming specifications, UI designs, and prototypes.
  

Support

• Assisting with troubleshooting production issues.
  
• Supporting day‑to‑day operations.
  

Experience and Skillset Requirements

Mandatory Requirements

• Extensive experience with REST API design and development, including documentation and testing.
  
• In‑depth knowledge of integration patterns and best practices; experience designing and building integration solutions using Spring Integration.
  
• Experience with enterprise integration technologies (JMS, AMQP, REST) and their use in a Spring Integration context.
  
• Knowledge of data transformation techniques (mapping, normalization) and hands‑on experience applying them in Spring Integration.
  
• Strong SQL skills and experience with relational databases such as SQL Server or Oracle.
  

Nice‑to‑Have Requirements

• Knowledge of NoSQL databases such as MongoDB and experience using them in production.
  
• Experience leading development teams and mentoring junior developers.
  
• Knowledge of creating APIs requiring mapping between Java applications and mainframe copybooks.
  

Desired Skills and Experience

• Strong expertise in Java and the Java development ecosystem, including Spring Boot.
  
• In‑depth knowledge of microservice architecture and experience building scalable, highly available systems.
  
• Extensive REST API design and development experience, including documentation and testing.
  
• In‑depth knowledge of integration patterns and experience building integration solutions using Spring Integration.
  
• Experience with enterprise integration technologies (JMS, AMQP, REST).
  
• Strong knowledge of XML and experience with XML‑based integration solutions (XSLT, XPath).
  
• Experience with message‑oriented middleware and enterprise service buses, such as Azure Service Bus.
  
• Experience with event‑driven architecture and Azure Event Hub.
  
• Strong SQL skills; experience with SQL Server or Oracle.
  
• Understanding of security best practices, including authentication, authorization, and encryption.
  
• Strong experience writing automated tests, including unit and API tests.
  
• Familiarity with Agile methodologies (Scrum, Kanban) and participation in sprint planning and retrospectives.
  
• Excellent written and verbal communication skills for technical and non‑technical stakeholders.
  
• Passion for learning, staying current with industry trends, and continuous improvement.
  
• Strong problem‑solving and debugging skills, with experience resolving complex issues.
  
• Proven track record delivering high‑quality, robust, and scalable solutions in fast‑paced environments.
  

Evaluation Criteria

Criteria 1: Technical Design – 30 Points

• Strong Java and Spring Boot expertise.
  
• Deep knowledge of microservice architecture and scalable systems.
  
• Extensive REST API design experience, including documentation/testing.
  
• Practical application of design patterns and standards.
  
• Knowledge of WCAG guidelines, OMG standards, and OPS architecture standards.
  

Criteria 2: Integration – 30 Points

• Data transformation expertise (mapping, normalization) in Spring Integration.
  
• Experience with message‑oriented middleware and ESBs (Azure Service Bus).
  
• Event‑driven architecture experience (Azure Event Hub).
  
• Strong SQL skills with relational databases.
  
• Understanding and implementation of security best practices.
  

Criteria 3: Middleware – 15 Points

• Experience with message‑oriented middleware and ESBs (Azure Service Bus).
  
• Event‑driven architecture experience (Azure Event Hub).
  

Criteria 4: Security – 15 Points

• Experience with Security and Web Services Security standards and frameworks.
  
• Extensive experience with OAuth, OpenID, SAML 2.0, etc.
  

Criteria 5: Technical Framework – 10 Points

• In‑depth knowledge of microservice architecture and scalable, highly available systems.
  
• Prior experience with containerized environments such as Azure, OpenShift, Docker, Kubernetes, and Microservices.
  

About Symbiotic Digital.

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