senior java microservices developer (spring boot / kafka) Jobs

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Senior Software Designer & Developer

Johnson Service Group Inc.
Calgary, AB

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Job details

Contract
7 hours ago

Skills

Spring Boot
Azure
Oracle
Computer Science
CSS
JUnit
React
DevOps
Engineering
Business analysis
Data analysis skills
Test automation
Microsoft SQL Server
Selenium
J2EE
Java
Databases
Database design
OOP
Docker
Bachelor's
JavaScript
PostgreSQL
Redis
IT support
REST
Scripting
Computer networking
JSP
APIs
Linux
Unit testing
PL/SQL
JMS
Spring framework
HTML

Full job description

Our client is seeking a Senior Software Designer & Developer to design, develop, modernize, and maintain enterprise-grade applications while supporting cloud migration initiatives, particularly within the Azure ecosystem.

Must Have skills

Bachelor’s degree or diploma in Computer Science, Engineering, or a related field, or equivalent experience.
Minimum 10 years of experience in
- application systems development, business analysis, design, integration, and maintenance.
- hands-on Java development experience.
- designing and implementing complex, end-to-end J2EE solutions.
- web services, JavaScript, HTML, and PL/SQL.
Minimum 5 years of experience in application integration with JMS and APIs.
Proven experience in application modernization and cloud migration, preferably within Microsoft Azure.
Strong experience analyzing legacy applications and defining cloud migration strategies, including rehost, replatform, and refactor approaches.
Experience refactoring Java-based applications for cloud-native environments.
Solid knowledge of Java, object-oriented design and programming, domain-driven design, design patterns, refactoring, and unit testing.
In-depth knowledge of Java frameworks such as Spring, Spring Boot, and JUnit.
Experience with backend services, APIs, RESTful design, JMS, and event-driven integrations.
Experience with complex data model design, DML, and DDL scripting.
Strong understanding of physical database design principles in Oracle and SQL Server environments.
Experience designing and developing user interfaces using JavaScript, JSP, HTML, and CSS.
Working knowledge of application server and networking concepts.

Nice to Have skills

Microsoft Azure cloud migration experience.
Experience with database modernization, including Oracle to PostgreSQL migration.
Familiarity with DevOps practices, containerization, Docker, and Linux environments.
Experience with Linux and Docker virtual environments.
Experience with ReactJS and Redis.
Experience with automated testing tools such as Selenium and REST Assured.
Experience in IT support and/or data analysis.
Experience mentoring junior developers and providing technical guidance across teams.
Experience evaluating and adopting new technologies to support innovation and continuous improvement.

Responsibilities

Lead end-to-end application analysis and remediation for cloud migration, including application architecture, dependencies, and technical constraints.
Identify and implement design and code changes required to make applications cloud-compatible, including refactoring for microservices, containerization, and cloud-native patterns.
Analyze and optimize database workloads and queries for cloud environments, with a focus on performance, scalability, and cost efficiency.
Collaborate with cloud and platform teams to align applications with Azure architecture standards, security, and operational practices.
Evaluate and apply cloud-native design best practices, including resiliency, observability, and scaling strategies.
Lead technical solutioning for database modernization, including Oracle to PostgreSQL migration where applicable.
Design and develop scalable, high-performance applications using object-oriented and distributed architecture principles.
Lead the development of complex enterprise solutions using Java and J2EE technologies.
Define and document architecture, design patterns, development standards, and functional design specifications.
Develop and maintain backend services, APIs, and event-driven integrations.
Design and develop user interfaces using JavaScript, JSP, HTML, and CSS.
Integrate applications with internal and external systems while ensuring reliability and data integrity.
Contribute to API design, microservices architecture, and cloud-ready solutions.
Ensure code quality through unit testing, automation, code reviews, and development best practices.
Provide accurate effort estimates and contribute to sprint planning and delivery commitments.
Ensure development work meets specifications, standards, quality requirements, security policies, and governance practices.
Provide maintenance support for critical systems, which may include 24/7 technical support to system controllers and business users.
Maintain detailed logs of service calls and resolution steps.
Collaborate with product owners, business analysts, architects, and cross-functional teams.
Mentor junior developers and provide technical guidance across teams.
Contribute to continuous improvement of development processes, tools, and frameworks.

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