Full-Time
Senior Full Stack Developer
Posted on 8/20/2025
Citi
10,001+ employees
Global financial services including banking, investment
Compensation Overview
$120.8k - $170.8k/yr
Mississauga, ON, Canada
In Person
 Software Engineering (1) |
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- 6 - 10 years of professional experience in full-stack development.
- Proven experience in designing and implementing complex, scalable, and high-performance enterprise-level applications.
- Expert-level proficiency in Java (8/11/17+) and Spring Boot, including advanced features, reactive programming, and performance tuning.
- Expert-level hands-on experience with Angular (8/10/12+) and TypeScript, including architectural patterns, state management (e.g., NgRx), and performance optimization techniques for large-scale applications.
- Proficient in building RESTful APIs and integrating them with front-end applications.
- Experience with containerization using Docker and orchestration using Kubernetes.
- Strong understanding of microservices architecture and event-driven systems.
- Experience with relational databases like Oracle.
- Familiarity with NoSQL databases like MongoDB is a plus.
- Knowledge of front-end technologies, including HTML5, CSS3, and JavaScript (ES6+).
- Familiarity with state management libraries like NgRx or Redux.
- Experience with testing frameworks like JUnit, Mockito, Jasmine, and Karma.
- Knowledge of cloud platforms like AWS (EC2, S3, RDS) or OpenShift.
- Strong problem-solving skills and attention to detail.
- Demonstrated strong leadership skills, with a proven track record of successfully mentoring junior developers, and fostering technical growth.
- Excellent communication and teamwork skills.
- Design, develop, and maintain scalable and high-performance web applications using Java, Spring Boot, and Angular.
- Build and integrate RESTful APIs to enable seamless communication between front-end and back-end systems.
- Develop reusable and modular Angular components, services, and directives.
- Implement microservices architecture and containerize applications using Docker.
- Orchestrate and manage containerized applications using Kubernetes.
- Collaborate with cross-functional teams, including UI/UX designers, QA engineers, and DevOps teams, to deliver high-quality software solutions.
- Implement security best practices, including authentication and authorization using Spring Security and JWT.
- Write clean, maintainable, and well-documented code following industry best practices.
- Participate in code reviews, provide constructive feedback, and mentor junior developers.
- Work in an Agile/Scrum environment and contribute to sprint planning, daily stand-ups, and retrospectives.
- Deploy applications on cloud platforms such as AWS or OpenShift using Docker and Kubernetes.
- Proactively identify system bottlenecks and lead initiatives to optimize application performance, ensuring high availability and responsiveness.
- Establish and enforce stringent coding standards, conduct architectural reviews and thorough code reviews, promoting clean, maintainable, and well-documented code.
- Proactively identify emerging technologies and drive technical initiatives to continuously improve system architecture, development processes, and overall engineering excellence
- Experience with CI/CD pipelines and tools like Teamcity, tekton, GitHub and etc.
- Good understanding with caching mechanisms like Elastic.
- Knowledge of monitoring tools like Prometheus and Grafana.
- Certifications in Java, AWS, Docker, or Kubernetes are a plus.
- Experience in leveraging GitHub Copilot and other AI tools.
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.