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Full Stack Java Developer

https://www.citi.com/ Logo

Citi

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Location:
Canada , Mississauga

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

94300.00 - 141500.00 USD / Year
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Job Description:

We are seeking a highly skilled and motivated Senior Full Stack Java Developer to join our dynamic engineering team. In this role, you will be responsible for designing, developing, and maintaining both front-end and back-end components of our web applications. The ideal candidate will have extensive experience with the Java ecosystem, modern front-end frameworks, and cloud-native technologies. You will play a critical part in the entire software development lifecycle, from concept and design to deployment and support, while collaborating with cross-functional teams to deliver high-quality, scalable, and robust software solutions.

Job Responsibility:

  • Design, code, test, and deploy high-quality web applications, services, and APIs using Java (Spring Boot) for the back-end and modern JavaScript frameworks (e.g., Angular, React, or Vue.js) for the front-end
  • Participate in architectural design and decision-making, advocating for best practices, scalability, and performance
  • Contribute to the evolution of our microservices architecture
  • Build and maintain secure, scalable, and well-documented RESTful APIs and/or gRPC services to support various clients and internal systems
  • Design database schemas, write efficient SQL/NoSQL queries, and manage data persistence layers using technologies like MongoDB, or Oracle
  • Utilize cloud platforms (AWS, GCP, or Azure) for deploying and managing applications
  • Implement and maintain CI/CD pipelines using tools like Jenkins, Harness, Docker, and Kubernetes to automate testing and deployment
  • Write clean, maintainable, and well-tested code
  • Develop comprehensive unit, integration, and end-to-end tests to ensure software quality and reliability
  • Work closely with product managers, UX designers, and other engineers to translate business requirements into technical solutions
  • Mentor junior developers through code reviews, pair programming, and knowledge sharing
  • Diagnose and resolve complex technical issues in production and non-production environments, ensuring high availability and performance of our systems

Requirements:

  • Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience
  • 5+ years of professional experience in full-stack software development
  • Strong proficiency in Java (Java 17 or later) and extensive experience with the Spring ecosystem (Spring Boot, Spring Cloud, Spring Security)
  • Solid experience with ORM frameworks like Hibernate/JPA
  • Proven experience in building and consuming RESTful APIs
  • Expertise in modern JavaScript frameworks such as Angular
  • Strong command of HTML5, CSS3
  • Proficient in both SQL (e.g., MS SQL) and NoSQL (e.g., MongoDB, Redis) databases
  • Hands-on experience with CI/CD tools (Jenkins, etc.)
  • Experience with containerization technologies (Docker) and orchestration (Kubernetes)
  • Familiarity with at least one major cloud provider (AWS, GCP, Azure)
  • Strong understanding of object-oriented programming, design patterns, and SOLID principles
  • Experience with Agile/Scrum methodologies

Nice to have:

  • Experience with event-driven architecture and messaging systems like Apache Kafka or RabbitMQ
  • Experience with performance monitoring and logging tools (e.g., Prometheus, Grafana, ELK Stack)
  • AWS/GCP/Azure certification is a plus
  • Contributions to open-source projects or a strong GitHub profile

Additional Information:

Job Posted:
April 23, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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