Lead Full Stack Java Developer Job Mississauga area,Ontario Canada,Software Development

Role Overview:

The Lead Full Stack Java Developer is a senior-level position responsible for designing, developing, and implementing scalable and high-performance microservices-based systems using Java
, Spring Boot
, Kafka
, and MongoDB
. The overall objective of this role is to lead the development of distributed systems, ensure system reliability, and drive innovation in application design and architecture.

Key Responsibilities:

Microservices Development:Design, build, and maintain scalable, distributed, and high-performance microservices using Java and Spring Boot
.Implement RESTful APIs and asynchronous communication patterns using Kafka for real-time data streaming.

System Integration:Integrate microservices with external systems and APIs, ensuring seamless communication and data with MongoDB to design and optimize No

SQL database schemas and queries for high availability and performance.

Performance and Scalability:Optimize application performance, scalability, and reliability.

Identify and resolve bottlenecks in the system, ensuring low-latency and high-throughput processing.

Architecture and Design:Provide expertise in application architecture and ensure that designs adhere to the overall system blueprint.

Develop standards for coding, testing, debugging, and implementation.

Collaboration:Partner with multiple management teams to ensure appropriate integration of functions to meet business goals.

Collaborate with Dev Ops teams to deploy and monitor applications in cloud environments.

Mentorship and Leadership:Serve as an advisor or coach to mid-level developers and analysts, allocating work as necessary.

Conduct code reviews and ensure adherence to best practices.

Risk and Compliance:Appropriately assess risk when making business decisions, ensuring compliance with applicable laws, rules, and regulations.

Escalate, manage, and report control issues with transparency.

Qualifications:

Strong proficiency in Java (8+ years) and deep understanding of Spring Boot and the Spring ecosystem.

Hands-on experience with Apache Kafka for event-driven architecture and real-time data processing.

Expertise in MongoDB
, including schema design, indexing, and query optimization.

Microservices and Distributed Systems:Proven experience in designing and implementing microservices-based architectures.

Knowledge of RESTful APIs, gRPC, and asynchronous communication patterns.

Cloud and Dev Ops:

Experience with cloud platforms like AWS
, Azure
, or GCP
.Familiarity with containerization tools like Docker and orchestration platforms like Kubernetes
.

Observability and Monitoring:

Experience with monitoring tools like Prometheus
, Grafana
, or ELK Stack
.Knowledge of distributed tracing tools like Jaeger or Zipkin
.

Agile Practices:Strong understanding of Agile methodologies, including Scrum or Kanban.

Experience with tools like JIRA
, Confluence
, and version control systems like Git
.

Good to Have

Skills:

Experience with distributed caching solutions like Hazelcast or Redis
.

Prior experience with building distributed, multi-tier applications.

Experience with building highly performant and scalable applications.

Education:

Bachelor’s degree/University degree or equivalent experience.

Master’s degree preferred.

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Primary Location Full Time Salary Range:

$120, - $170,

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

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