Senior UI Developer (.NET/React)

Reposted 5 Hours Ago
Be an Early Applicant
Toronto, ON, CAN
In-Office
94K-142K Annually
Senior level
Fintech • Financial Services
The Role
Design and implement front-end web applications by converting .NET UI elements to React/HTML5 using Citi standard components. Deliver timely front-end design and code, perform automated testing, integrate with APIs, analyze complex problems, advise stakeholders, mentor junior staff, and ensure security, compliance, and operational support across development lifecycle.
Summary Generated by Built In

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

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.

We are looking for a senior UI developer proficient in .NET/C# to join teams transforming Citi UI elements into React based html5 ones, using standard Citi components and ensuring fully automated testing and good design throughout.
Responsibilities:

  • Design and deliver front end web applications based on business requirements

  • Responsible for completing Front-end design and coding in a timely manner by understanding user requirements

  • Solves complex technology problems / projects for the business unit supported

  • Tracks business unit performance against the IT business plan and service level agreements; identifies gaps

  • Appropriately assess risk when business decisions are made, demonstrating 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 behaviours, conduct and business practices, and escalating, managing and reporting control issues with transparency.

  • 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.

Recommended Qualifications:

  • Relevant working experience in Windows and Web UI Development

  • Proficiency in .NET/C# and React

  • Solid understanding of HTML5, CSS3, JavaScript, knowledge of test frameworks.

  • Strong sense of responsibility, self-motivation, attention to details and a positive attitude.

Preferred skills:

  • JSON/XML and REST API based web service integrations

  • Knowledge of TypeScript

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.

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Job Family Group: Technology

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Job Family:Applications Development

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Time Type:Full time

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Primary Location Full Time Salary Range:$94,300.00 - $141,500.00

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Most Relevant Skills Please see the requirements listed above.

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

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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.

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This job opening is for an existing job vacancy.

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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.

Skills Required

  • Relevant working experience in Windows and Web UI Development
  • Proficiency in .NET/C#
  • Proficiency in React
  • Solid understanding of HTML5, CSS3, JavaScript
  • Knowledge of test frameworks (automated testing)
  • Bachelor's degree or equivalent experience
  • JSON/XML and REST API based web service integrations
  • Knowledge of TypeScript

Citi Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Citi and has not been reviewed or approved by Citi.

  • Healthcare Strength Benefits coverage is positioned as comprehensive, including health, dental, and vision insurance plus on-site clinics, prescription drug support, and disability coverage. Family-building support such as fertility assistance is described as a notable differentiator within the overall package.
  • Retirement Support Retirement benefits are framed as strong, highlighted by a 401(k) with matching and additional plan options like a Roth 401(k). Financial support is reinforced through discounts and broader financial guidance resources tied to the benefits ecosystem.
  • Wellbeing & Lifestyle Benefits Wellbeing support extends beyond insurance through programs like an Employee Assistance Program, counseling/legal resources, and gym or wellness reimbursement. These offerings increase the perceived total rewards value even when cash compensation sentiment varies by role.

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The Company
HQ: Kwun Tong, Kowloon
223,850 Employees

What We Do

Citi's mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. Our core activities are safeguarding assets, lending money, making payments and accessing the capital markets on behalf of our clients. We have 200 years of experience helping our clients meet the world's toughest challenges and embrace its greatest opportunities. We are Citi, the global bank – an institution connecting millions of people across hundreds of countries and cities.

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