backend developer (java/spring boot, api architecture) Jobs

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IT Solutions Specialist II (2-Year Contract)
City of Markham —Markham, ON
Serving a diverse and growing community of more than 370,000 residents, Markham combines rich heritage with a vibrant local economy and offers employees the…
$96,257–$129,223 a year
Quick apply
11d

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IT Solutions Specialist II (2-Year Contract)
City of Markham —Markham, ON
Serving a diverse and growing community of more than 370,000 residents, Markham combines rich heritage with a vibrant local economy and offers employees the…
$96,257–$129,223 a year
Quick apply
11d
RQ10036 - Specialized IT Consultant - Senior
Source Code —Toronto, ON
REST APIs — Extensive experience with REST API design, development, documentation, and testing. Weekly or sprint-based status updates on development progress,…
Quick apply

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RQ10036 - Specialized IT Consultant - Senior

Source Code
Toronto, ON

Quick apply

Job details

Full-time

Skills

Spring Boot
Authentication
Azure
Oracle
JUnit
Kubernetes
XML
Kanban
Relational databases
Xpath
Encryption
Microsoft SQL Server
Java
Microservices
SQL
OOP
Analysis skills
Docker
Splunk
REST
Scrum
APIs
Agile
JSON
XSLT
Communication skills
Spring framework
Debugging
AMQP

Full job description

RQ10036 - Specialized IT Consultant - Senior (APIs)

5-month contract

Onsite / 21 College Street, Toronto

Justice Technology Services - Ministry of Public and Business Service Delivery and Procurement

Security Level: CRJMC

Scope

The project will deliver a secure, user-friendly notification platform that provides real-time updates and clear instructions related to court appearances. The solution will ensure that accused individuals receive accurate, timely, and actionable information to reduce no-shows and improve adherence to court requirements.
The Notify App project aims to improve and streamline communication for accused individuals within the judicial process, specifically targeting the first court appearance stage. This initiative addresses two critical issues:
- Missed court appearances due to lack of timely notifications.
- Insufficient understanding of court protocols, leading to procedural delays and non-compliance.

Assignment Deliverables

Detailed design and specification documents for RESTful APIs, including endpoints, request/response models, authentication, and error handling.
Clean, scalable, and secure REST APIs built using Java and Spring Boot, adhering to best practices and company standards.
Modular and decoupled microservices, designed and deployed independently, with clear inter-service communication protocols.
Using APIs to develop application based on the business requirement to transform and route data.
Comprehensive test coverage using tools like JUnit, Mockito, or Test Containers to ensure code reliability and prevent regressions.
Efficient relational database schemas designed and implemented to support API data storage and retrieval.
Profiled and optimized APIs for response time, memory usage, and throughput, ensuring high performance under load.
Secure API calls with proper authentication (e.g., OAuth2, JWT), authorization, input validation, and protection against common vulnerabilities (OWASP).
Dockerized applications with configuration files, docker-compose scripts, and Kubernetes manifests (if applicable) for smooth deployment.
Integrated monitoring (e.g., Prometheus, Grafana) and logging (e.g., ELK stack, Logstash, or Splunk) for operational visibility.
Produce clear documentation for developed systems such as design, deployment instructions, and operational guides.
Regular code reviews, feedback sessions, and mentorship to junior developers, ensuring code quality and knowledge sharing.
Weekly or sprint-based status updates on development progress, blockers, and delivered functionalities.
Timely resolution of production issues, regression fixes, and performance improvements based on user feedback and testing.
Available for any on-call on weekend for production issues.

Desired Skills and Experience

Strong proficiency in object-oriented programming and functional programming with modern Java features.
Strong expertise in Java and the Java development ecosystem, including experience with Spring Boot.
In-depth knowledge of microservice architecture and experience building scalable, highly available systems.
Expertise in designing, building, and consuming REST APIs; knowledge of HTTP methods, status codes, and REST best practices
In-depth knowledge of integration patterns and best practices, including experience designing and building integration solutions using Spring Integration
Experience with enterprise integration technologies, such as JMS, AMQP, or REST, and an understanding of how to use them in a Spring Integration context.
Strong knowledge of XML and experience working with XML-based integration solutions, such as XSLT and XPath.
Knowledge of data transformation techniques, such as mapping and normalization, and experience using them in a Spring Integration context.
Experience with message-oriented middleware and enterprise service buses, such as Azure Service Bus
Experience on Event Driven architecture, experience on Azure Event Hub, etc.
Strong skills in SQL and experience working with relational databases, such as SQL Server, or Oracle.
Understanding of security best practices and experience implementing authentication, authorization, and encryption.
Strong experience with writing automated tests, including unit, API test, and a deep understanding of the testing process.
Familiarity with Kubernetes, Helm, or other container orchestration tools.
Familiarity with Agile software development methodologies, such as Scrum or Kanban, and experience participating in sprint planning and retrospectives.
Excellent communication skills, both written and verbal, and the ability to work effectively with both technical and non-technical stakeholders.
A passion for staying up-to-date with the latest industry trends and technologies, and a desire to continuously learn and improve your skills.
Strong problem-solving and debugging skills, and experience diagnosing and resolving complex issues.
A track record of delivering high-quality, robust, and scalable solutions in a fast-paced, deadline-driven environment.
Strong analytical and troubleshooting abilities for complex systems.
Clear verbal and written communication for technical and non-technical stakeholders..
Capable of mentoring junior developers and contributing to architectural decisions.
Ability to prioritize tasks, manage deadlines, and handle multiple responsibilities.

Must-haves:

REST APIs — Extensive experience with REST API design, development, documentation, and testing.
Java + Spring Boot — Strong expertise in Java and the Spring Boot ecosystem.
Integration Patterns — Strong knowledge of integration patterns and best practices; hands-on experience with Spring Integration.
Messaging / Middleware — Experience with Azure Service Bus or similar message-oriented middleware/enterprise service bus.
Event-Driven Architecture — Practical experience designing and implementing event-driven systems.
Microservices — In-depth knowledge and hands-on experience building scalable, highly available microservice-based systems.
Security Standards — Extensive experience with OAuth, OpenID, and SAML 2.0, including implementing authentication, authorization, and encryption.

Nice to Have:

Containerization & Orchestration — Experience with Docker, Kubernetes, OpenShift, and containerized deployments in Azure.
SQL Server — Strong SQL skills specifically with Microsoft SQL Server (beyond general RDBMS experience).
Data Transformation — Experience with mapping/normalization and transforming between JSON, XML, CSV within integration contexts.
Public Sector Experience — Prior work in government or public sector environments.

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RQ10036 - Specialized IT Consultant - Senior

IT Solutions Specialist II (2-Year Contract)

Senior Cloud Engineer/Technical Lead

Senior Software Engineer ( Java)

Senior Software Engineer (Java) - Contract

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