React Full Stack Developer

Citigroup Inc.; Mississauga; On-site; CAD 80,000 - 110,000; Full time

Job summary

Citigroup Inc. is seeking a Full-Stack Software Engineer in Mississauga to develop innovative solutions while collaborating in an Agile environment. The role requires strong expertise in Java and JavaScript frameworks, alongside experience with microservices and AI tools to enhance development workflows.

As a key contributor, you will work on both front-end and back-end components, ensuring high-quality deliverables and participation in the broader technical community.

Qualifications

• 3+ years of proven software development experience.
• Demonstrated ability to design, develop, and maintain both front-end and back-end components.
• Experience with Agile methodologies.

Responsibilities

• Develop and engineer solutions within an Agile software delivery team.
• Contribute to the design, documentation, and development of enterprise applications.
• Collaborate with technical leadership to achieve established goals.

Skills

Java

JavaScript framework like React

Spring Boot

Oracle

Microservices

SQL

Education

Bachelor’s degree in computer science, Software Engineering, or a related field

Tools

Docker

JIRA

GitHub Enterprise

AWS

CI/CD tools

Job description

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview

We are looking for experienced Full-Stack Software Engineers who are passionate about solving business problems through innovation and engineering practices. This role will be responsible for writing code, pairing with other developers as appropriate, decomposing acceptance criteria to understand team backlog deliverables, complexities, and risk, while working as a strong contributor on an agile team.

From a technical standpoint, the Software Engineer has full-stack coding and implementation responsibilities and adheres to best practice principles including modern cloud-based software development, agile and scrum, code quality, and tool usage. The Software Engineer works to understand and influence software architecture, while contributing to Citi’s technical user base.

Responsibilities

• Apply depth of knowledge and expertise to all aspects of the software development lifecycle, as well as partner continuously with stakeholders on a regular basis
• Develop and engineer solutions within an Agile software delivery team, working to collaboratively deliver sprint goals, write code, and participate in the broader Citi technical community and team-level Agile and Scrum processes.
• Contribute to the design, documentation, and development of world‑class enterprise applications leveraging the latest technologies and software design patterns.
• Leverage technical knowledge of concepts and procedures within own area and basic knowledge of other areas to resolve issues, as necessary.
• Follow and contribute to defining technical and team standards.
• Collaborate technical leadership to achieve established goals, in line with our broader technical strategy.
• AI-Driven Development: Leverage AI tools, such as GitHub Copilot, to enhance development efficiency, accelerate delivery timelines, and optimize software solutions.
• AI Landscape Awareness: Maintain awareness of the rapidly evolving AI landscape and proactively propose innovative approaches to implement product features.
• Problem Solving and Troubleshooting: Possess the expertise to analyze and effectively troubleshoot complex coding, application performance, and design challenges.
• Root Cause Analysis: Capable of conducting thorough research to identify the root causes of development and performance issues, as well as devising and implementing effective defect resolutions.
• Technical Acumen: Demonstrate a profound understanding of the technical requirements pertinent to the solutions under development.
• Containerization and Orchestration: Utilize Docker for application containerization and Kubernetes for efficient service orchestration.
• Communication and Risk Management: Effectively communicate progress, proactively anticipate bottlenecks, provide skilled escalation management, and adeptly identify, assess, track, and mitigate issues and risks across various levels.
• Process Optimization: Streamline, automate, or eliminate redundant processes within architecture, build, delivery, production operations, or business areas where similar efforts or issues recur annually.

Requirements

• 3+ years of proven software development experience, specializing in Java, JavaScript framework like React, Spring Boot, and Oracle.
• Modern Application Development:
  • In-depth knowledge of modern application architecture principles.
  • Clear understanding of Data Structures and Object-Oriented Principles using Java
  • Practical experience with Artificial Intelligence (AI) tools for enhancing development workflows.
  • Proficiency in Microservices frameworks (e.g., Spring Boot), Event-Driven Services, and Cloud-Native Application Development.
  • Multiple years of experience on Service Oriented and Microservices architectures, including REST and GraphQL implementations
• Full Stack Proficiency: Demonstrated ability to design, develop, and maintain both front‑end and back‑end components of robust web applications.
• Front-End Development: Strong expertise in developing intuitive user interfaces using contemporary JavaScript frameworks (e.g., React), HTML5, and CSS.
• Back-End Development: Solid experience in developing server‑side logic and APIs using languages such as Java, Python, or similar.
• Database Expertise: Comprehensive knowledge of SQL and PL/SQL, with a deep understanding of Relational Database Management Systems (RDBMS), particularly Oracle.
• API Development: Proven capability in designing, developing, and implementing high-performance RESTful APIs leveraging appropriate frameworks and technologies.
• CI/CD and DevOps:
  • Proficiency with Continuous Integration/Continuous Deployment (CI/CD) pipelines and tools for building (e.g., Maven, Gradle) and deploying code (e.g., Docker, Jenkins, OpenShift).
  • Experience with AWS is considered a significant advantage.
• Agile Methodologies: Practical experience working within Agile development methodologies and utilizing project management tools such as JIRA.
• Testing Automation: Ability to develop and automate comprehensive unit, integration, and end-to-end tests to ensure code quality.
• Version Control: Solid understanding and practical experience with code versioning tools, including GitHub Enterprise.

Education

• A bachelor’s degree in computer science, Software Engineering, or a related field is required.

Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests and 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.

Equal Opportunity Statement

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.

Accessibility

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity, review Accessibility at Citi. View Citi’s EEO Policy Statement and the Know Your Rights poster.

This job opening is for an existing job vacancy.