Citi

Citi

Posted via Workday

Senior Java Developer

Posted Sep 4, 2026

Role at a glance

Job function
Software Engineering & IT Backend Engineering
Salary
$94.3K – $141.5K/yr
Location
Mississauga Ontario Canada, Canada
Work arrangement
On-site
Employment
Full-time
Experience
6+ years of industry experience
Education
Bachelor's or Master's degree in Computer Science, Engineering, or a related field.

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Role Summary

AI-generated

The Lead Java Developer will lead the design, development, and support of scalable Java/J2EE enterprise applications using Spring Boot. The role leads junior and mid-level developers, improves production stability and system performance, and drives prototypes and implementations of AI-driven solutions.

What You'll Do

  • Provide advanced technical support for escalated production issues and identify root causes.
  • Analyze applications for risks, vulnerabilities, security issues, and performance improvements.
  • Lead the design, development, and implementation of Java/J2EE enterprise applications using Spring Boot.
  • Define coding standards, architectural patterns, and security and performance practices, and conduct code reviews.
  • Lead, mentor, guide, assign tasks to, and monitor the progress of development team members.
  • Lead initiatives to prototype and implement AI-driven solutions.

Generated from the employer's posting. Verify important details before applying.

View full posting

Qualifications

5+ years of progressive software development experience with significant Java/J2EE enterprise application experience; strong Java/J2EE proficiency including multithreading, concurrency, and data structures; hands-on experience with Sybase, Oracle, SQL, PL/SQL, database design, and performance tuning; expert Spring Boot knowledge including Spring MVC, Spring Data, and Spring Security; experience with Angular, React, or Vue.js and HTML5, CSS3, JavaScript, and TypeScript; experience leading and mentoring development teams; experience with Git and Maven/Gradle.

Required

  • 5+ years of progressive software development experience
  • Java/J2EE enterprise applications
  • Java multithreading, concurrency, and data structures
  • Sybase and Oracle relational databases
  • SQL and PL/SQL
  • Database design and performance tuning
  • Spring Boot, Spring MVC, Spring Data, and Spring Security
  • Angular, React, or Vue.js

Preferred

  • CI/CD pipelines such as Jenkins
  • Cloud platforms
  • Microservices architecture
  • Docker and Kubernetes
  • Messaging queues such as Kafka or SOLACE
  • Test-driven development (TDD)
  • Behavior-driven development (BDD)
  • Certifications in Java, Spring, Cloud, or AI technologies

Original job description

Content provided by the employer

Role Overview:

We are seeking a highly experienced and motivated Lead Java Developer with 6+ years of industry experience to spearhead the development of robust, scalable, and innovative enterprise applications. The ideal candidate will possess deep expertise in Java/J2EE and Spring Boot. This role demands a proven track record with strong technical problem-solving and root cause analysis abilities, relational databases such as Sybase and Oracle, exceptional team leadership skills, and a forward-thinking approach to integrating AI technologies into our solutions. You will lead a team of junior developers, providing technical guidance, mentorship, and fostering a collaborative and high-performing environment.

Key Responsibilities:

  • Critical Incident Management & Resolution:
    • Provide advanced technical support for escalated issues from production support team.
    • During a production issue, act decisively to identify the root cause and deliver an effective solution.
    • Analyzes applications to identify risks, vulnerabilities, security issues and improve the system performance.
    • Partners with appropriate development and production support areas to prioritize bug fixes and support tooling requirements.
    • Active involvement in and ownership of Support Project items, covering Stability, Efficiency, and Effectiveness initiatives.
    • Ensure seamless integration between various system components and external services.
  • Technical Leadership & Architecture:
    • Lead the design, development, and implementation of complex Java/J2EE-based enterprise applications using Spring Boot.
    • Define and enforce coding standards, best practices, and architectural patterns to ensure high-quality, maintainable, and scalable solutions.
    • Conduct code reviews, provide constructive feedback, and ensure adherence to security and performance standards.
    • Act as a subject matter expert for Java technologies, providing technical direction and problem-solving expertise.
  • Team Management & Mentorship:
    • Lead, mentor, and guide a team of junior and mid-level developers, fostering their technical growth and career development.
    • Assign tasks, monitor progress, and ensure timely delivery of high-quality software.
    • Promote a culture of collaboration, continuous improvement, and knowledge sharing within the team.
    • Conduct performance reviews and provide regular feedback to team members.
  • Innovation & AI Integration:
    • Lead initiatives to prototype and implement AI-driven solutions within existing or new applications.
    • Stay abreast of emerging technologies and industry trends, particularly in Java and AI, to drive innovation.

Required Qualifications:

  • Experience: 5+ years of progressive experience in software development, with a significant focus on Java/J2EE enterprise applications.
  • Core Java: Strong proficiency in Java/J2EE, including advanced concepts like multithreading, concurrency, and data structures.
  • Analytical Skills: Exceptional analytical and problem-solving skills, with a proven ability to dissect complex technical issues, identify root causes, and drive effective solutions in high-pressure production environments.
  • Databases: In-depth knowledge and hands-on experience with relational databases, specifically Sybase and Oracle, including SQL, PL/SQL, database design, and performance tuning.
  • Frameworks: Expert-level knowledge and hands-on experience with Spring Boot, including Spring MVC, Spring Data, Spring Security, etc.
  • Front-End/GUI: Demonstrated experience with modern GUI technologies (e.g., Angular, React, Vue.js) and associated web technologies (HTML5, CSS3, JavaScript, TypeScript).
  • Leadership: Demonstrated experience in leading and mentoring development teams, with strong communication, interpersonal, and problem-solving skills.
  • Tools: Experience with Git, Maven/Gradle, CI/CD pipelines (e.g., Jenkins), and cloud platforms is highly desirable.
  • Education: Bachelor's or Master's degree in Computer Science, Engineering, or a related field.

Preferred Qualifications:

  • Experience with microservices architecture and containerization (Docker, Kubernetes).
  • Familiarity with messaging queues (e.g., Kafka, SOLACE).
  • Experience with test-driven development (TDD) and behavior-driven development (BDD).
  • Certifications in Java, Spring, Cloud, or AI technologies.

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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.

Citi

About the company

Citi

Large Enterprise

Citi is a global financial services corporation that offers a wide range of financial products and services, including consumer banking, credit, investment banking, and wealth management. With a presence in nearly 100 countries, Citi serves millions of customers, from individuals and small businesses to large corporations and governments. The company is dedicated to innovation and sustainability, actively working to support economic growth while addressing environmental and social challenges. Citi’s commitment to providing exceptional service and fostering diverse talent makes it a prominent choice for students aspiring to build a career in finance and banking.