Java Backend Developer
Job in
Mississauga, Ontario, Canada
Listed on 2026-02-28
Listing for:
Citi
Full Time
position Listed on 2026-02-28
Job specializations:
-
Software Development
Java Developer, Full Stack Developer, Backend Developer, Software Engineer
Job Description & How to Apply Below
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
4+ 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
Technology Skills
Must have expert level (hands‑on) knowledge and understanding in JAVA/J2EE spring boot, spring framework stack
Must have deep understanding of Microservice and Microservices best practices, patterns - Spring boot microservices is highly preferred
Ideal candidate will have a strong development experience in one or more of the following technologies, with familiarity with JIRA, Confluent, Agile and Continuous Delivery is essential.
Primary Skills with strong working experience:
Java Proficiency
Core Java:
Strong understanding of Java fundamentals, OOPs concepts, data structures, algorithms, collections, multithreading, and error handling.
Spring Framework (and Spring Boot):
This is almost non‑negotiable for enterprise Java development. Expertise in Spring Boot for rapid application development, Spring MVC for web applications, Spring Data JPA for persistence, and Spring Security for authentication/authorization.
Microservices Architecture:
Understanding how to design, develop, and deploy independent, loosely coupled services, which is a common pattern for applications running on ECS.
RESTful APIs:
Designing, developing, and consuming RESTful web services using Java and Spring Boot.
Build Tools:
Maven or Gradle for project management and build automation.
Database Management
No
SQL Databases:
Strong understanding with No
SQL databases (e.g., Mongo
DB, Cassandra, Redis) if the application leverages them.
SQL Databases (Bonus):
Familiarity of relational databases (e.g., MSSQL, Oracle) and SQL query language.
Version Control
Git:
Essential for collaborative development, branching, merging, and pull requests.
Git Hub/Git Lab/Bitbucket:
Experience with hosting platforms.
AWS ECS &…
Note that applications are not being accepted from your jurisdiction for this job currently via this jobsite. Candidate preferences are the decision of the Employer or Recruiting Agent, and are controlled by them alone.
To Search, View & Apply for jobs on this site that accept applications from your location or country, tap here to make a Search:
To Search, View & Apply for jobs on this site that accept applications from your location or country, tap here to make a Search:
Search for further Jobs Here:
×