Full-Time
Senior Full Stack Java Developer
Posted on 10/4/2025
Citi
10,001+ employees
Global financial services including banking, investment
Compensation Overview
$94.3k - $141.5k/yr
Mississauga, ON, Canada
Hybrid
 Software Engineering (1) |
|---|
- Typically 5-10 years of progressive experience in software development, with a significant focus on full-stack web applications.
- Expert-level proficiency in React.js: Demonstrated experience building complex, dynamic, and performant user interfaces. Deep understanding of the React ecosystem, state management (e.g., Redux, Context API, Hooks), and component lifecycle.
- Strong CSS Skills: Proven ability to create responsive and visually appealing user interfaces, familiarity with CSS pre-processors (Sass/SCSS) and modern styling techniques.
- Proficiency in Node.js: Experience designing and implementing scalable RESTful APIs and microservices.
- Strong proficiency in Java and Spring Boot: Proven experience in building enterprise-grade back-end applications and services using Spring Boot, Spring MVC, Spring Data JPA, and Spring Security.
- Knowledge of containerization technologies like Docker and Kubernetes.
- Experience with CI/CD pipelines and tools (e.g., Jenkins, GitHub Actions, Azure DevOps).
- Strong problem-solving and analytical skills.
- Excellent written and verbal communication skills for effective collaboration in an agile team environment.
- Front-end Development: Design, develop, and maintain dynamic, responsive, and user-friendly web interfaces using React.js, ensuring excellent user experience and high performance.
- CSS and Styling: Apply strong CSS skills to implement visually appealing and accessible designs, working with pre-processors like Sass/SCSS and frameworks like Bootstrap.
- API Integration: Integrate complex APIs seamlessly into front-end applications, managing data flow and state effectively.
- Back-end Development (Node.js): Develop, test, and maintain scalable and efficient RESTful APIs and microservices using Node.js.
- Back-end Development (Java & Spring Boot): Design and implement enterprise-grade back-end applications and services using Java and Spring Boot, including Spring MVC, Spring Data JPA, and Spring Security.
- Full-Stack Collaboration: Work across the entire application stack, from database interactions to user interface, ensuring seamless integration and functionality.
- Architectural Design: Lead the architectural design and implementation of scalable, resilient, and maintainable software systems, considering design patterns, microservices architecture, and distributed systems.
- Code Quality & Best Practices: Write clean, efficient, and well-documented code following best practices for software development, including version control (Git), testing, and continuous integration.
- Testing: Develop and maintain comprehensive unit, integration, and end-to-end tests (e.g., Jest, React Testing Library, JUnit) to ensure code quality and system reliability.
- CI/CD: Implement and manage continuous integration and continuous deployment (CI/CD) pipelines to streamline the software development process.
- Problem Solving: Analyze and resolve complex technical and application issues, providing support for production deployments and live system troubleshooting.
- Experience with building and consuming RESTful APIs.
- Experience with relational and/or NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB, DynamoDB).
- Familiarity with unit testing frameworks (e.g., Jest, React Testing Library, JUnit, Mockito) and test-driven development (TDD).
- Experience with build tools such as Maven or Gradle.
- Understanding of microservices architecture and design patterns.
- Experience with cloud platforms such as AWS, GCP, or Azure.
- Exposure to event-driven design and architecture (e.g., Kafka, RabbitMQ).
- Experience applying AI and ML solutions for engineering processes or DevOps automation.
- Familiarity with observability frameworks (e.g., OpenTelemetry, Grafana, Prometheus).
Citi provides financial services including consumer banking, credit, investment banking, and wealth management to individuals, corporations, and governments. The company operates by earning interest on loans and collecting fees for managing investments, processing trades, and facilitating cross-border transactions through its digital platforms. Unlike many local banks, Citi maintains a physical and digital presence in over 160 countries, allowing it to serve as a single partner for clients with global financial needs. Its goal is to drive growth and profitability for its clients and shareholders while supporting environmental and social sustainability initiatives.
Company Size
10,001+
Company Stage
IPO
Headquarters
New York City, New York
Founded
1812
Simplify's Take
What believers are saying
- Investment banking fees rose 12% YoY in Q1 2026, fueled by AI-driven M&A acceleration.
- Hired 60 managing directors from 20 rivals, boosting banking revenues 15% to $1.8bn in Q1 2026.
- $30bn share buyback signals confidence, targeting 14-15% ROTE by 2031 post-restructuring.
What critics are saying
- JPMorgan erodes Citi's #5 investment banking rank, diverting mandates within 12-24 months.
- Investor backlash to 2031 ROTE target causes share underperformance versus Bank of America in 6-12 months.
- Stripe captures cross-border volumes as Citi's tech lags low-cost alternatives in 24-36 months.
What makes Citi unique
- Citi leads global cross-border payments, enabling near-instant transfers to Mastercard debit cards across 65 origination countries.
- Citi expanded TTS non-interest revenue 98% YoY to $1.1bn in Q4 2024 via US dollar clearing growth.
- Citi operates in 160 countries, serving 200 million accounts with unmatched global network scale.
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Benefits
Health Insurance
Dental Insurance
Vision Insurance
Life Insurance
Disability Insurance
401(k) Retirement Plan
401(k) Company Match
Wellness Program
Paid Vacation
Paid Sick Leave
Paid Holidays
Company News
America's largest banks reported strong first-quarter profits driven by robust investment banking activity and a resilient economy, though executives warned about mounting risks from rising energy prices and geopolitical uncertainty. JPMorgan Chase posted a profit of $16.49 billion, up 13% year-on-year, whilst Wells Fargo earned $5.25 billion and Citigroup reported $5.79 billion. Investment banking fees surged, with JPMorgan seeing a 30% jump and Citigroup a 12% increase in advisory fees, fuelled by market volatility and corporate dealmaking. However, JPMorgan CEO Jamie Dimon cautioned about "an increasingly complex set of risks", including wars, energy prices and trade tensions. Wells Fargo noted customers allocating more spending to petrol whilst cutting discretionary purchases, signalling potential downstream economic impacts from elevated oil prices.
America's largest banks reported strong first-quarter profits driven by investment banking activity and a resilient economy, but executives warned about emerging economic headwinds from rising energy prices and geopolitical uncertainty. JPMorgan Chase posted a 13% profit increase to $16.49 billion, with investment banking fees jumping 30%. Wells Fargo earned $5.25 billion whilst Citigroup reported $5.79 billion in profits. The gains came amid market volatility and increased merger activity. However, JPMorgan CEO Jamie Dimon cited "an increasingly complex set of risks" including wars, energy prices and trade tensions. Wells Fargo's CFO noted consumers allocating more spending towards petrol whilst reducing discretionary purchases. Dimon warned that higher oil prices' impact "will likely take some time to materialise" if they persist.
Citigroup has raised interest among investors, with Jim Cramer highlighting strong market sentiment towards the stock. Following earnings, Cramer noted that Citigroup is "love, love, love by everybody on Wall Street" and expects the stock to jump higher. The bank delivered solid quarterly results, with 8% revenue growth and 35% earnings per share increase, excluding one-time charges. Net interest income rose 14%, beating expectations. However, results were mixed across divisions, with services, banking and fixed income performing well, whilst equity trading and personal banking fell short. Trading at a significant discount to peers despite rising 66% last year, Citigroup remains attractive. CEO Jane Fraser indicated the bank's transformation efforts are over 80% complete, though questions remain about future growth once self-help measures conclude.
Citigroup beat first-quarter profit estimates on Tuesday, reporting net income of $5.8 billion, or $3.06 per diluted share, compared to $4.1 billion in the prior-year period. The result exceeded analysts' estimate of $2.63 per share. Revenue rose 14% whilst net income grew 42%, driven by strong dealmaking activity. Investment banking fees increased 19% to $1.3 billion, with growth in advisory and equity capital markets. Services revenue climbed 17%, and markets crossed $7 billion in revenue. Global investment banking revenue reached $28.2 billion in the first quarter, the highest since 2021. Chief executive Jane Fraser attributed the performance to softer regulation under President Trump and the AI boom. The bank remains on track to deliver its 10-11% return on tangible common equity target.
MerQube, a US-based index provider specialising in rules-based and derivatives-enabled strategies, has closed a Series C funding round led by 7RIDGE and Deutsche Börse Group. Existing investors including Allianz Life Ventures, Citi, Intel Capital, J.P. Morgan, Laurion Capital Management and UBS also participated, though the funding amount was not disclosed. The company plans to use the investment to scale its technology platform and expand in derivatives-linked ETF and structured product markets. MerQube focuses on providing customised index solutions and data-driven strategies for institutional clients.