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Added 3 days ago
JA
Software Architect - Vital Software
JR Automation
Toronto, ON
- Full-time
Knowledge of Angular, TypeScript, WebSockets, and Java-based backend development.
Added 3 days ago
SG
Sr. Forward Deployed Engineer
Software Guidance & Assistance, Inc. (SGA, Inc.)
Mississauga, ON
- Full-time
The ideal candidate is already an experienced Full-Stack/Backend Architect (Java and/or Python) who thrives in ambiguous, fast-paced client environments, can rapidly translate complex…
Added 3 days ago
SI
Software Engineer
Syndesus, Inc.
Vancouver, BC
- $130,000 to $160,000 CAD / year
- Full-time
…feature area, the engineer will work broadly across platform and backend services, with a strong LLM‑powered application component. Ownership areas are dynamic and evolve with the business,…
Added 3 days ago
C
Sr. Consultant, Back End Developer- Java
CIBC
Toronto, ON
- Full-time
…involving multiple back-end systems. As a Sr. Consultant, Back End Developer- Java, you will build, implement and maintain flexible and modular solutions that enhance the client experience…
Added 3 days ago
Senior QA Engineer
Konrad
Toronto, ON
…into complex digital products across web, mobile, API, and backend systems. You will combine strong software engineering and test automation skills with modern AI-assisted development and…
Added 3 days ago
QA Architect
Konrad
Toronto, ON
Architect, build, and scale maintainable automated testing solutions across web, mobile, API, integration, and backend systems.
Added 3 days ago
MI
Intermediate Full-Stack Developer
Method Integration Inc.
Remote, Canada
- $70,000 to $90,000 CAD / year
- Full-time
- Remote
Strong backend fundamentals in C# / .NET Core, or equivalent in Java, Node or a comparable stack.
Added 3 days ago
S
Associate Software Development Engineer in Test (SDET)
SOTI
Mississauga, ON
- Full-time
Job Title: Associate Software Developer in Test
Added 3 days ago
M
RQ00828 - Software Developer - Full Stack - Senior
Maarut
Toronto, ON
- Contract
Senior-level experience developing Java and Node.js services, REST APIs, FHIR integrations, event publishers and consumers, and production application logic.
Added 3 days ago
SL
Senior Software Engineer, Operations – Core Java & iOS focus
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Waterloo King
- Full-time
We are looking for a Senior Software Engineer with strong full-stack Java experience and hands-on iOS development skills. You will develop and support reliable applications across the web,…
Added 3 days ago
SC
Senior Developer
SAP Careers
Montreal, QC
- $108,100 to $222,800 CAD / year
- Full-time
We are looking for a dynamic and motivated Senior Software Developer who embrace AI-assisted software development as part of their everyday engineering practice to join our engineering…
Added 3 days ago
AS
Mobile Developer (React Native)
Apex Systems
Toronto, ON
- $60 to $70 USD / hour
- Full-time
Native Developer experience with Reactive Native
Added 3 days ago
B
QA Automation Lead - ATM/POS/Payments
BeachHead
Toronto, ON
- $70 to $75 CAD / hour
- Contract
Coordinate QA activities across approximately 70% backend testing and 30% user interface testing.
Added 3 days ago
CC
Core Software Developer
Circle Cardiovascular Imaging
Calgary, AB
- Full-time
The Software Developer is responsible for the development of the next generation cardiovascular post-processing software and the maintenance of our existing revenue-driving products. The…
Added 3 days ago
RC
Senior Backend Java Developer
Realtek Consulting LLC
Toronto, ON
- Contract
We are seeking 8-12 years experienced highly skilled Senior Backend Java Developer with strong expertise in Java, Spring Boot, Microservices, API Integration, Azure Cloud, and…
Added 3 days ago
AC
Fullstack Developer
Adastra Corporation
Markham, ON
- Contract
We are looking for a Full Stack Developer to build scalable, production-ready applications that combine modern backend engineering with advanced AI and Generative AI capabilities. The role…
Added 3 days ago
CC
Core Software Developer
Circle Cardiovascular Imaging
Calgary, AB
- Full-time
The Software Developer is responsible for the development of the next generation cardiovascular post-processing software and the maintenance of our existing revenue-driving products. The…
Added 3 days ago
FG
Software Developer | Banking & Capital Markets
FDM Group
Toronto, ON
- Contract
FDM is seeking a Experienced Software Developer located in Toronto to support a project in the Banking & Capital Markets sector. Involvement in this project is anticipated to last initially…
Added 3 days ago
TI
Full Stack Developers
Teckhorizon Inc
Toronto, ON
- Contract
Strong experience developing Java and Node.js backend services, REST APIs, FHIR integrations, and event-driven applications.
Added 3 days ago
I
Software Developer - Full Stack - Senior (Health)
isgSearch
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Backend Development: Senior-level Java, Node.js, REST API, and FHIR integration experience.
Added 3 days ago
RT
Sr. Software Developer - Full Stack
Russell Tobin
Toronto, ON
- $90 to $95 CAD / hour
- Contract
Job Title: Sr. Software Developer - Full Stack
Added 3 days ago
C
VP Senior Software Engineer – Java & Distributed Systems
Citi
Mississauga, ON
- Full-time
Design and build backend services end to end - from requirements and architecture through implementation, testing, and delivery
Added 3 days ago
C
Java Developer - Assistant Vice President
Citi
Mississauga, ON
- Full-time
As a Senior Java Backend Developer, you will design and build high-performance backend services that power large-scale data processing applications at Citi. You'll apply modern Java and…
Added 3 days ago
E
Data Engineer
eBay
Toronto, ON
- Full-time
…to develop scalable data platforms and services that improve developer productivity, system performance, and operational…
Added 4 days ago
W
Software Engineer I
Wayfair
Toronto, ON
- $120,000 to $130,000 CAD / year
- Full-time
Platforms Tech: Responsible for the entire Wayfair website and all backend components that fuels and powers production. You can be an embedded engineer or a platform engineer. Embedded…

Citi

Java Developer - Assistant Vice President

Mississauga, ON, Canada

$94,300.00 - $141,500.00 · Full-time

Apply About employer

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Job details

Pay: $94,300.00 - $141,500.00
Job type: Full-time
Experience: 5+ years of hands-on experience developing Java backend applications using Java 17 or later.
Posting language: English
Posted: Oct 28, 2026

Original job description

As a Senior Java Backend Developer, you will design and build high-performance backend services that power large-scale data processing applications at Citi. You'll apply modern Java and Spring expertise, alongside AI-assisted development tools and prompt engineering, to accelerate delivery and strengthen code quality across the development lifecycle. This role gives you ownership of scalable architecture for complex data pipelines while collaborating with cross-functional teams on business-critical systems.

Responsibilities

Design and develop high-performance backend services for data processing applications using Java 17 and Spring Boot.
Build scalable data processing architectures using modern design patterns to handle intensive calculations and business logic.
Collaborate with cross-functional teams to define, design, and ship new product features.
Maintain optimal performance and responsiveness of backend applications while resolving bugs and system bottlenecks.
Practice test-driven development to strengthen testability, modularity, and test coverage.
Apply static code analysis tools such as SonarQube to uphold code quality and maintainability.
Optimize SQL queries and manage complex data pipelines through efficient data joins.
Apply AI-assisted development tools and prompt engineering techniques to accelerate delivery and improve code quality.

Required Qualifications & Skills

5+ years of hands-on experience developing Java backend applications using Java 17 or later.
Strong proficiency in the Spring Framework, including Spring Boot, Spring Data, and Spring Cloud.
Excellent knowledge of SQL and relational or NoSQL databases, with experience optimizing queries and data models.
Solid understanding of in-memory data loading techniques and efficient data joining strategies for large data pipelines.
In-depth knowledge of Java tooling, including build tools such as Maven or Gradle and testing frameworks such as JUnit and Mockito.
Experience applying design patterns and architectural principles such as microservices and event-driven architecture, supported by test-driven development and static code analysis tools such as SonarQube.
Bachelor's degree or equivalent practical experience, along with strong communication skills to explain technical concepts to varied audiences.

Beneficial Skills & Qualifications

Experience with cloud platforms such as AWS, Azure, or GCP.
Familiarity with containerization and orchestration tools such as Docker and Kubernetes or OpenShift.
Knowledge of distributed data processing frameworks such as Apache Spark or Apache Flink.
Master's degree in a related field.

What We Offer

Citi offers a collaborative, performance-driven environment where engineers solve complex data challenges at global scale, supported by resources that help you grow your career and wellbeing.

Work in a hybrid model with 3 days in the office and 2 days working remotely.
Access ongoing learning and development opportunities to strengthen your technical expertise.
Collaborate with global engineering teams on large-scale, business-critical systems.
Benefit from wellbeing support and resources that promote work-life balance.
Build long-term financial wellbeing through competitive compensation and benefits.

Apply now to build scalable, high-impact backend systems as part of Citi's engineering team.

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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.

Apply About employer

More about this job

Responsibilities

Design and develop high-performance backend services for data processing applications using Java 17 and Spring Boot. Collaborate with cross-functional teams to build scalable architectures and maintain optimal system performance.

Requirements

Requires 5+ years of hands-on experience in Java backend development with strong proficiency in the Spring Framework. Candidates must possess a bachelor's degree and deep knowledge of SQL, relational databases, and modern architectural principles.

Skills

Java 17
Spring Boot
Spring Data
Spring Cloud
SQL
NoSQL
Maven
Gradle
JUnit
Mockito
Microservices
Event-driven architecture
Test-driven development
SonarQube
Prompt engineering
Data pipelines

Benefits

Wellbeing support
Work-life balance resources
Learning and development opportunities
Competitive compensation
Financial wellbeing support

Visa sponsorship

Not detected in the job text

Keywords

Java
Spring Boot
Backend Development
Data Processing
Microservices
Event-driven Architecture
SQL
NoSQL
Maven
Gradle
JUnit
Mockito
SonarQube
Test-driven Development
Prompt Engineering
AI-assisted Development
AWS
Azure
GCP
Docker
Kubernetes
OpenShift
Apache Spark
Apache Flink
Data Pipelines
Scalable Architecture
Java 17
Spring Data
Spring Cloud
Static Code Analysis

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