Full Stack Developer

Citigroup; Mississauga; On-site; CAD 94,000 - 142,000; Full time

Job summary

Citigroup in Mississauga, Canada, is seeking a seasoned Applications Developer to lead end-to-end software development. The role emphasizes Java-based solutions, API development, security, and scalable architectures within a collaborative technology group.

You will design, implement, and test complex systems, mentor analysts, and ensure timely delivery while adhering to regulatory and security requirements. A Bachelor’s degree and strong problem-solving skills are essential.

Qualifications

• 5-8 years of relevant experience.
• Experience in systems analysis and programming of software applications.
• Experience in managing and implementing successful projects.
• Working knowledge of consulting/project management techniques/methods.
• Ability to work under pressure and meet deadlines.
• Strong Java technologies: Core Java, Java EE, Spring Boot, Spring Microservices.
• Solid understanding of OOPS, data structures, and algorithms.
• Experience with REST APIs, API documentation and testing.

Responsibilities

• Conduct feasibility studies, estimates, IT planning, and risk analysis.
• Oversee development lifecycle and provide user support for applications.
• Analyze complex problems and propose architectural solutions.
• Suggest security measures in post-implementation reviews.
• Consult with users and IT groups on issues and solutions.
• Define operating standards and best practices.
• Act as advisor or coach to junior analysts.
• Operate with limited supervision and exercise independent judgment.
• Serve as SME to senior stakeholders and teams.
• Assess risk in business decisions and ensure regulatory compliance.

Skills

Java/J2EE

REST APIs

OOP Principles

Data Structures & Algorithms

AI/ML/LLMs

Unit Testing

CI/CD

Security

Education

Bachelor’s degree

Tools

Docker

Kubernetes

Swagger/OpenAPI

Job description

Responsibilities

• Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement new or revised applications systems and programs to meet specific business needs or user areas

• Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users

• Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement

• Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality

• Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems

• Ensure essential procedures are followed and help define operating standards and processes

• Serve as advisor or coach to new or lower level analysts

• Has the ability to operate with a limited level of direct supervision.

• Can exercise independence of judgement and autonomy.

• Acts as SME to senior stakeholders and /or other team members.

• Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.

Qualifications

• 5-8 years of relevant experience

• Experience in systems analysis and programming of software applications

• Experience in managing and implementing successful projects

• Working knowledge of consulting/project management techniques/methods

• Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements

• Modern Java Technologies: Core Java, Java EE, Spring Boot, Spring Microservices.

• Programming Principles: Strong understanding of OOPS (Object-Oriented Programming), Data Structures, and Algorithms.

• Solution Design: Extensive experience in designing and developing integrated solutions with non-functional requirements (scalability, availability, consistency).

• Coding & Troubleshooting: Expertise in problem-solving and troubleshooting, ability to write "clean code" using Core Java, J2EE, Collections, and Multithreading.

• API Development: Proficiency in API and Web Services development using REST protocols.

• Testing: Strong experience in Unit testing and ensuring test coverage.

• Cloud Platforms: Solid understanding of Docker and Kubernetes.

• API Documentation: Experience using Swagger/OpenAPI to define, document, implement, and test APIs.

• Design Patterns: Familiarity with Standard and Enterprise Design Patterns.

• Messaging Platforms: Experience with High-Speed Messaging platforms, particularly Kafka.

• Databases: Advanced knowledge of Relational Databases, SQL, and ORM technologies (JPA2, Hibernate).

• Security: Expertise in Authentication, Authorization, and security protocols.

• CI/CD: Experience with Continuous Integration / Continuous Delivery (CI/CD) tools.

• Communication: Proven ability to communicate effectively both verbally and in writing.

• AI/ML/LLMs: Knowledge of AI/ML, LLMs (including Spring AI / Python).

Education

Bachelor’s degree/University degree or equivalent experience

Job Family Group

Technology

Job Family

Applications Development

Time Type

Full time

Primary Location Full Time Salary Range

$94,300.00 - $141,500.00

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

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

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.

This job opening is for an existing job vacancy.

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.

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 (https://www.citigroup.com/citi/accessibility/application-accessibility.htm).

View Citi’s EEO Policy Statement (https://www.citigroup.com/global/eeo-aa-policy) and the Know Your Rights (https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf) poster.

Citi is an equal opportunity and affirmative action employer.

Minority/Female/Veteran/Individuals with Disabilities/Sexual Orientation/Gender Identity.