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Citigroup · Mississauga Ontario Canada

# Full Stack Java Developer

Mississauga Ontario Canada Full-time $94,300.00 - $141,500.00 Software Engineering 

Listed on Citigroup’s official careers site. Posted October 14, 2026. Check that it is still open and apply there.
[Apply on Citigroup’s careers site →](https://citi.wd5.myworkdayjobs.com/2/job/Mississauga-Ontario-Canada/Full-Stack-Java-Developer_26999859)

[OpenNash Jobs](https://jobs.opennash.com/) / [Citigroup](https://jobs.opennash.com/companies/citigroup/) / Full Stack Java Developer

## Job description

The Full Stack Developer is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities.

### 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+ 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 Education: Bachelor’s degree/University degree or equivalent experience Technology Skills: Proficient in industry standard best practices such as Design Patterns, Coding Standards, Coding modularity, Prototypes, Object oriented programming etc.

Thorough in-depth understanding of usage of the fundamental concepts of Java and Restful APIs Experience with Single page application development like React or Angular with state management. Practical experience with Docker and basic understanding of container orchestration Implement robust authentication and authorization mechanisms (OAuth 2.0, OpenID Connect, JWT, SSO, RBAC).
- Knowledge and application of Java, Spring, Spring Boot, HTML/CSS, Experience with any SQL (Oracle, Sybase etc.)
- Strong knowledge of unit testing frameworks like JUnit, Mockito
- Write comprehensive automated tests including unit, integration, and end-to-end tests (Jest, Cypress, Playwright) Experience in debugging, tuning and optimizing Java micro service components Expertise in technologies like JMS, Solace is a plus Experience working in a Continuous Integration and Continuous Delivery environment and familiar with Teamcity, Jenkins, Code Quality/Style Tools -SonarLint, Blackduck etc.

Knowledge of application servers / webservers (weblogic, Tomcat) Proficiency with Git for managing code versions and collaborating with other developers. Understanding of web performance monitoring, logging, and error tracking tools Work experience on the transactional applications for low latency, high availability uses is a plus This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required. ------------------------------------------------------ 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. View Citi’s EEO Policy Statement and the Know Your Rights poster.

## At a glance
- Posted by the employer: Oct 14, 2026
- First seen by OpenNash: Oct 20, 2026
- Last checked: Oct 20, 2026
- Listed for: 6 days
- Location: Mississauga Ontario Canada
- Employment type: Full-time
- Pay: $94,300.00 - $141,500.00[Apply on Citigroup’s careers site →](https://citi.wd5.myworkdayjobs.com/2/job/Mississauga-Ontario-Canada/Full-Stack-Java-Developer_26999859)

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