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Job Summary 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.

Key Responsibilities

Full Stack Development: 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.

System Architecture: Participate in architectural design and decision‑making, advocating for best practices, scalability, and performance. Contribute to the evolution of our microservices architecture.

API Development: Build and maintain secure, scalable, and well‑documented RESTful APIs and/or gRPC services to support various clients and internal systems.

Database Management: Design database schemas, write efficient SQL/NoSQL queries, and manage data persistence layers using technologies like MongoDB or Oracle.

Cloud & DevOps: 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.

Code Quality & Testing: Write clean, maintainable, and well‑tested code. Develop comprehensive unit, integration, and end‑to‑end tests to ensure software quality and reliability.

Collaboration & Mentorship: 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.

Troubleshooting & Support: Diagnose and resolve complex technical issues in production and non‑production environments, ensuring high availability and performance of our systems.

Required Skills And Qualifications

Education: Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

Experience: 5+ years of professional experience in full‑stack software development.

Back‑End Proficiency:

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.

Front‑End Proficiency:

Expertise in modern JavaScript frameworks such as Angular.

Robust command of HTML5 and CSS3.

Database Skills: Proficient in both SQL (e.g., MS SQL) and NoSQL (e.g., MongoDB, Redis) databases.

DevOps & Cloud:

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).

Software Practices: Strong understanding of object‑oriented programming, design patterns, and SOLID principles. Experience with Agile/Scrum methodologies.

Preferred Qualifications

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.

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

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Apply on Kit Job: kitjob.ca/job/2g94j0

📌 Full Stack Java Developer – Assistant Vice President (Mississauga)
🏢 Citi
📍 Mississauga