Opportunity Backend Engineering work from LinkedIn, X, Reddit and Upwork, in one list. Find me work
techroles

Senior Full Stack Java Developer

Citi Open
Hybrid Mississauga Ontario Canada Full-time Senior Backend Engineering

At a glance

Senior Backend Engineering role at Citi. Mississauga Ontario Canada · full-time · CA$94,300–CA$141,500 base.

SalaryStated by Citi
CA$94,300 – CA$141,500
Base salary for this role, in CAD per year, as published in the posting.
RoleBackend Engineering
SenioritySenior
LocationMississauga Ontario Canada
WorkplaceHybrid
EmploymentFull-time
Base payCA$94,300–CA$141,500
PostedOct 5, 2026
Role brief

techroles summary, based on the employer's posting.

What you'll do

  • Build Java services and Angular or React interfaces for the Oracle Ledger Program, adapting them as business needs change
  • Take software from requirements analysis through design, coding, testing and release, keeping delivery on track
  • Handle complex production incidents through L3 support, finding root causes within a global coverage model
  • Turn business user needs into technical designs and add Selenium checks to safeguard releases
  • Set team coding practices and advise colleagues, including mentoring less experienced developers

What you bring

  • You have at least four years of relevant experience in software development and full stack engineering
  • You can build Java backend systems and use REST APIs in production, plus develop interfaces with Angular or React
  • You have hands-on Selenium testing experience and can deliver software from planning through implementation
  • You hold a relevant bachelor's degree or have equivalent professional experience
  • You have resolved difficult production issues through advanced application support

Who this fits

This suits a senior full stack developer comfortable owning delivery across frontend and backend work, production support, and technical guidance for teammates. The role is based in Canada and is hybrid; support follows a global, around-the-sun model.

From the employer

Citi is looking for a Senior Full Stack Developer to join the Oracle Ledger Program, where you will build and maintain the common services and user interfaces that underpin critical financial systems across the organization. In this role, you will work with a high-performing technology team to develop full stack applications, drive technical solutions end-to-end, and provide expert-level support across a global delivery model. This is an opportunity to apply your engineering expertise to systems that directly support Citi's financial infrastructure at scale.


Responsibilities

  • Design, develop, and maintain full stack applications for the Oracle Ledger Program, building both frontend interfaces and backend services to meet evolving business requirements.
  • Build and enhance common services and user interfaces using Java, Angular or React, and REST APIs, ensuring high-quality, scalable, and maintainable code.
  • Lead the full development lifecycle across analysis, design, construction, testing, and implementation to deliver reliable software on schedule.
  • Provide L3 technical support as part of an around-the-sun global support model, diagnosing and resolving complex application issues with minimal disruption.
  • Collaborate with business users and cross-functional technology teams to translate requirements into practical technical solutions and recommend the most effective engineering approaches.
  • Develop and implement automated test coverage using Selenium to validate functionality and protect system integrity across releases.
  • Define and uphold engineering standards and best practices, contributing to a consistent and maintainable codebase across the team.
  • Act as a subject matter expert for senior stakeholders and teammates, providing technical guidance and mentoring less experienced developers.

Required Qualifications & Skills

  • Experience in software development, with a strong focus on full stack engineering across enterprise applications.
  • Proficiency in Java for backend development, with demonstrated experience building and consuming REST APIs in production environments.
  • Hands-on experience with Angular or React for building responsive, user-facing web interfaces.
  • Practical experience with Selenium for automated testing, including writing and maintaining test suites that support continuous delivery.
  • Proven ability to manage and deliver software projects end-to-end, including planning, prioritization, and delivery under deadline pressure.
  • Experience providing advanced application support, including root cause analysis and resolution of complex production issues.
  • Bachelor's degree in a relevant field or equivalent professional experience.

Beneficial Skills & Qualifications

  • Familiarity with Python for scripting, automation, or data processing tasks within an enterprise application context.
  • Exposure to Oracle financial systems or ledger-based platforms, providing useful context for the business domain.
  • Experience working within global or follow-the-sun support and delivery models across distributed teams.

Recommended 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


Education:

  • Bachelor’s degree/University degree or equivalent experience


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.

Opportunity

Backend Engineering work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Backend Engineering

Find me work

By the team behind techroles.

Find me work
Opportunity

Backend Engineering work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Find me work

By the team behind techroles.