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Added 2 months ago
Senior Data Engineer
Scotiabank
Toronto, ON
…expertise in Google Cloud Platform (GCP) to join our growing team. In this role, you will be responsible for designing, building, and maintaining scalable data architectures that support…
Added 2 months ago
O
Staff FullStack Engineer, Okta Secures AI
Okta
Toronto, ON
- $160,000 to $220,000 CAD / year
- Full-time
The Okta Secures AI Team is building the future of digital identity management. The way companies are using agents and allowing them access is undergoing a fundamental shift, enabling teams…
Added 2 months ago
Head of Toronto AI Center
Samsung Research America
Toronto, ON
Build, manage, develop, lead, and support the AI research team, with the outcome of high-impact research insights that influence the product roadmap
Added 2 months ago
T
Java Developer, TD Securities
TD
Toronto, ON
- Full-time
The Core Payment team is an exciting, innovative and growing team responsible for creating and enhancing payments shared services like Limit management, Scheduling recuring payments,…
Added 2 months ago
Director - Solution Delivery, Wealth Management
Scotiabank
Toronto, ON
Join a purpose driven winning team, committed to results, in an inclusive and high-performing culture.
Added 2 months ago
Software Engineer, Full-Stack Applications, Associate Director
Fitch Group
Toronto, ON
As a member of our Ratings Technology team, you will work on modern full-stack applications that support core business capabilities, partnering closely with engineers, product managers, and…
Added 2 months ago
O
Staff FullStack Engineer, Okta Secures AI
Okta
Waterloo, ON
- $160,000 to $220,000 CAD / year
- Full-time
The Okta Secures AI Team is building the future of digital identity management. The way companies are using agents and allowing them access is undergoing a fundamental shift, enabling teams…
Added 2 months ago
Lead Software Engineer, Full-Stack Applications - Innovation Teams
Fitch Group
Toronto, ON
Lead Software Engineer, Full-Stack Applications – Innovation Teams
Added 2 months ago
S
Lead Data and AI Engineer
Sanofi
Toronto, ON
- Full-time
Lead, mentor, and develop a team of data engineers while fostering strong engineering practices, accountability, collaboration, and continuous improvement
Added 5 months ago
HI
Project Manager | HRBrain
HRbrain Inc.
Mississauga, ON
- Contract
…frameworks, and systems structure. The successful candidate will lead technical deliveries for large-scale Telecom projects, utilizing both traditional Waterfall and modern Agile…
Added 2 months ago
M
Lead Software Engineer (SDET)
Mastercard
Toronto, ON
- Full-time
Lead Software Engineer (SDET)Who is Mastercard?
Added 1 month ago
PC
SR&ED Technical Advisor, Director
Pwc Canada
Toronto, ON
- Full-time
…analysis and tracking to support clients' business objectives. Our team focuses on creating proactive and value-added programs to enhance client engagement and ensure compliance with…
Added 2 months ago
C
Lead Core Backend Developer
Citi
Mississauga, ON
- Full-time
We are looking for a talented and passionate individual to join our Java Server development team and continue to evolve our next-generation rates reference data application.
Added 2 months ago
C
Senior Java Developer
Citi
Mississauga, ON
- Full-time
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…
Added 2 months ago
C
Senior Lead Java Fullstack Software Engineer
Citi
Mississauga, ON
- Full-time
The Applications Development Technology Senior Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in…
Added 2 months ago
P
SR&ED Technical Advisor, Director
PwC
Toronto, ON
- Full-time
…analysis and tracking to support clients' business objectives. Our team focuses on creating proactive and value-added programs to enhance client engagement and ensure compliance with…
Added 2 months ago
JG
Java Technical Lead
J&M Group
Toronto, ON
- Full-time
We are seeking a highly experienced Java Technical Lead with 12+ years of hands-on experience in enterprise application development and production support. The ideal candidate will possess…
Added 2 months ago
E
Cybersecurity Lead
e-STORAGE
Kitchener, ON
- Full-time
We are seeking a highly skilled and motivated Cyber Security Lead to join our team and contribute to the development of on-premises Energy Management System (EMS) for utility grade systems.…
Added 2 months ago
Software Development Engineer III, Agentic Client Experience (ACE) - Builder Foundations
Amazon
Vancouver, BC
You will lead technical design reviews, mentor engineers, and raise the engineering bar across the team. You'll partner directly with applied scientists on measuring adherence and…
Added 2 months ago
Senior Software Engineer, Atlas Search Systems
MongoDB
Toronto, ON
Build and design our integrated search platform, written in Java
Added 2 months ago
E
Staff Engineer - MTS 2 (Integrations)
eBay
Toronto, ON
- Full-time
Lead the technical architecture for a marketplace integration team, from early concept through implementation
Added 3 months ago
C
Java Full Stack Development Lead
CGI
Toronto, ON
- Full-time
…we're still growing! Join Canada's largest IT Company as a "Java Full Stack Development Lead" in our Banking Services…
Added 2 months ago
C
Senior Software Engineering Specialist
CGI
Toronto, ON
- Full-time
CGI is seeking an experienced Senior Software Engineering Specialist to join our growing Software Engineering consulting practice within the Emerging Technologies team.
Added 2 months ago
CM
Associate Software Engineer
Canon Medical Informatics
Waterloo, ON
- Full-time
…every service we provide, and especially each member of our team. As part of Canon Medical Systems Corporation, we lead the industry with the latest health imaging informatics solutions.…
Added 2 months ago
A
Staff Software Engineer - Full Stack AI (Bangkok based, Relocation provided)
Agoda
Vancouver, BC
- Full-time
Today, we are part of Booking Holdings [NASDAQ: BKNG], with a diverse team of over 7,000 people from 90 countries, working together in offices around the globe. Every day, we connect people…

Citi

Senior Java Developer

Mississauga, ON, Canada

$94,300.00 - $141,500.00 · Full-time

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Job details

Pay: $94,300.00 - $141,500.00
Job type: Full-time
Experience: Experience: 5+ years of progressive experience in software development, with a significant focus on Java/J2EE enterprise applications.
Posting language: English
Posted: Aug 21, 2026

Original job description

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.

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More about this job

Responsibilities

The role involves leading the design and development of complex enterprise Java applications while providing technical mentorship to junior team members. Additionally, the developer will manage critical incidents, perform root cause analysis, and spearhead initiatives to integrate AI technologies into existing systems.

Requirements

Candidates must have at least 5 years of progressive experience in Java/J2EE development with strong proficiency in Spring Boot and relational databases like Sybase and Oracle. A bachelor's or master's degree in Computer Science or a related field is required, along with demonstrated leadership and problem-solving capabilities.

Skills

Java
J2EE
Spring Boot
Sybase
Oracle
SQL
PL/SQL
Angular
React
Vue.js
Git
Maven
Gradle
CI/CD
Jenkins
Microservices

Visa sponsorship

Not detected in the job text

Keywords

Java
J2EE
Spring Boot
Sybase
Oracle
SQL
PL/SQL
Angular
React
Vue.js
Git
Maven
Gradle
CI/CD
Jenkins
Microservices
Docker
Kubernetes
Kafka
SOLACE
TDD
BDD
Artificial Intelligence
Enterprise Applications
Software Development
Cloud Platforms
Multithreading
Concurrency
Data Structures
Security

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