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Added 1 day ago
C
Full Stack Developer
CGI
Vancouver, BC
- Full-time
CGI is seeking a Full Stack Developer to design, develop, test, integrate, and support modern enterprise applications.
Added 1 day ago
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Senior Full Stack Developer (Java And React/Angular) - Operate (Future Opportunity)
Deloitte
Toronto, ON
- Full-time
We are passively seeking Full Stack Java Developers to join our team on a 1-year fixed term. As a Full Stack Java Developer at Deloitte, you will play a crucial role in designing,…
Added 1 day ago
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Senior Java Backend Developer - Operate (Future Opportunity)
Deloitte
Toronto, ON
- Full-time
We are passively seeking Senior Java Developers to join our team on a 1-year fixed term. As a Java Developer at Deloitte, you will play a crucial role in designing, developing, and…
Added 1 day ago
BV
Data Engineer (Sports & Prediction Markets)
Betstamp Ventures
Toronto, ON
- Internship
Strong fundamentals in a backend language such as Go, Java, C#, Rust, C++, Kotlin, or server-side TypeScript
Added 1 day ago
RI
Senior Full Stack Java Developer - Capital Markets
Rose International
Mississauga, ON
- Full-time
The role requires an experienced Full-Stack or Backend Architect who can translate complex and ambiguous business requirements into working software, make effective tradeoffs between scope,…
Added 1 day ago
ZC
Senior Full Stack Developer (Angular & Java)
Ztek Consulting
Montreal, QC
- Full-time
Design, develop, and maintain scalable, secure, and efficient backend services using Java, including RESTful APIs and microservices.
Added 1 day ago
C
Senior Java Backend Engineer
Citi
Mississauga, ON
- Full-time
We are looking for a Senior Java Backend Engineer with hands-on experience in designing end-to-end data pipelines using Java and Spring Boot, and enterprise API design. You will own…
Added 1 day ago
Test Automation Developer
Christie Digital Systems Inc.
Kitchener, ON
The Test Automation Developer will help ensure our digital projection and LED display technology products are released, meeting the high-quality standards Christie is known for. The…
Added 1 day ago
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Salesforce QA
Delpath
Toronto, ON
- Contract
3+ years' experience in tools like Selenium and Java.
Added 2 days ago
A
CCaaS Developer
Accenture
Montreal, QC
- Full-time
Develop AWS Lambda functions and backend integrations in Python, Node.js, or Java.
Added 2 days ago
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Spécialiste de Solutions IA
DELAN - IT Talent Solutions
Montreal, QC
- Full-time
Maîtrise d'au moins un langage backend (Python, Java ou C#)
Added 2 days ago
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Quality Engineer
Randstad Digital
Toronto, ON
- Contract
Automation Engineering: Develop and maintain automated test scripts leveraging Core Java, Selenium, Cucumber (BDD), and TestNG.
Added 2 days ago
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Senior Software Engineer Technical Remediation & Enablement
Citi
Mississauga, ON
- Full-time
…breaking API changes, and version incompatibilities across Java, Python, Go, .NET, or JavaScript/TypeScript…
Added 2 days ago
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Software Engineer II
TD
Toronto, ON
- Full-time
…and develop, maintain, and enhance robust solutions involving backend, front end, and API components. This is a hands-on role, focused on delivering high-quality solutions using Spring…
Added 2 days ago
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Applications Development Sr Programmer Analyst
Citi
Mississauga, ON
- Full-time
Backend development experience with Java and modern IoC frameworks (e.g., Spring Boot).
Added 2 days ago
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RQ11429 - Software Developer - Back End - Senior
Maarut
Toronto, ON
- Contract
10+ years of experience as a designer and developer in the large-scale multi-client web applications
Added 2 days ago
MC
Senior Software Engineer - Brokerage Platform
Moomoo Canada
Toronto, ON · North York, ON
- Full-time
Strong backend software development experience in one or more major programming languages such as Java, C++, Go, Python or similar languages
Added 2 days ago
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Sr Application Software Developer
BMO
Toronto, ON · SCC
- Full-time
…deliver high-quality software solutions. The Senior Full Stack Developer will design, build, and maintain scalable, secure, cloud-native applications leveraging AWS services, backend…
Added 2 days ago
O
Lead UX Developer (React)
OpenText
Waterloo, ON
- Full-time
As an experienced Software Developer, your extensive skills beyond the core set listed above (due to previous roles and other technology) can also be an asset and a differentiator.…
Added 2 days ago
HS
Senior Software Engineer
Henry Schein Canada
Surrey, BC
- Full-time
Build high-quality backend services, APIs, database integrations, and user-facing functionality
Added 2 days ago
HS
Senior Software Engineer
Henry Schein
Surrey, BC
- Full-time
Build high-quality backend services, APIs, database integrations, and user-facing functionality
Added 2 days ago
M
RQ11656 - Systems Testing/QA Specialist - Senior
Maarut
Toronto, ON
- Contract
Proficiency in programming languages such as Java, Python, C#, or JavaScript.
Added 2 days ago
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Java Developer - Rates Technology
Citi
Mississauga, ON · Toronto, ON
- Full-time
We are seeking a highly skilled and experienced Application Developer to join our dynamic Rates Technology team. This position is responsible for the development of new and revised…
Added 2 days ago
SY
Senior Software Engineer
Secure Yourself IT Solutions
Ottawa, ON
- Contract
…frameworks the work calls for. Whether your background is in .NET, Java, Node.js, Python, or another modern development environment, what matters most is your ability to write good code,…
Added 2 days ago
Senior Software Engineer
EarnIn
Vancouver, BC
…members access their earnings when they need them most. Our backend services power Cash Out around the clock, integrating with EarnIn's risk, ledger, and repayment platforms to get real…

Citi

Senior Java Backend Engineer

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: 4+ years of relevant experience
Posting language: English
Posted: Oct 30, 2026

Original job description

We are looking for a Senior Java Backend Engineer with hands-on experience in designing end-to-end data pipelines using Java and Spring Boot, and enterprise API design. You will own end-to-end delivery of enterprise reporting APIs backed by complex data pipelines - from Oracle query design and ETL/ELT workflows to secure Spring Boot services deployed on shared infrastructure. The ideal candidate bridges the gap between application engineering and data platforms.

Responsibilities:

Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement new or revised applications systems and programs to meet specific business needs or user areas
Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users
Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement
Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality
Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems
Ensure essential procedures are followed and help define operating standards and processes
Serve as advisor or coach to new or lower level analysts
Has the ability to operate with a limited level of direct supervision.
Can exercise independence of judgement and autonomy.
Acts as SME to senior stakeholders and /or other team members.
Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.

Skills & Requirements

Strong in Core Java - collections, generics, streams, lambdas, exception handling, OOPs concepts, and multithreading/concurrency (executors, threads).
Strong in Spring Boot - Spring Data, Spring Batch, Spring Security.
Experience with Spring Data JPA/JDBC - repositories, entity mapping, transactions (@Transactional), connection pooling (HikariCP), and lazy/eager loading.
Hands-on with Spring Security - authentication/authorization, BCrypt, role-based access control, and securing REST endpoints.
Design, develop, and maintain RESTful APIs using Java and Spring Boot.
Good understanding of the end-to-end API development lifecycle - from design and contract definition through implementation, testing, deployment, and monitoring.
Strong understanding and implementation experience of integrating APIs with API gateways such as Apigee and Amazon API Gateway.
Proficient with Jackson (ObjectMapper config, custom serializers, strict request validation) and OpenAPI/Swagger for API documentation.
Write and optimize complex Oracle SQL queries (multi-table joins, analytic functions, subqueries, performance tuning).
Experience with Kafka, MQ, or event-streaming platforms for real-time data ingestion and processing.
Open to working on data pipelines and building ETL workflows using Java or other programming languages such as Scala as required.
Work with data warehousing concepts - fact/dimension modeling, slowly changing dimensions, and data quality checks.
Basic understanding of the Big Data ecosystem is a plus.
Good to have experience building and optimizing data workflows using tools such as Apache Spark.

Recommended Qualifications:

4+ years of relevant experience
Experience in systems analysis and programming of software applications
Experience in managing and implementing successful projects
Working knowledge of consulting/project management techniques/methods
Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements

Education:

Bachelor’s degree/University degree or equivalent experience

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

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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

You will design and own end-to-end enterprise reporting APIs and complex data pipelines using Java and Spring Boot. Responsibilities include conducting feasibility studies, managing the full development lifecycle, and providing technical leadership to team members.

Requirements

The role requires 4+ years of experience in systems analysis and software programming with strong expertise in Java, Spring Boot, and Oracle SQL. Candidates must possess a bachelor's degree and demonstrate the ability to manage complex projects and provide advanced programming solutions.

Skills

Java
Spring Boot
Spring Data
Spring Security
RESTful APIs
Oracle SQL
ETL
Data Pipelines
Kafka
API Gateway
Apigee
Jackson
OpenAPI
Multithreading
Data Warehousing
Apache Spark

Visa sponsorship

Not detected in the job text

Keywords

Java
Spring Boot
Spring Data JPA
Spring Batch
Spring Security
RESTful APIs
Oracle SQL
ETL
ELT
Kafka
MQ
Apigee
Amazon API Gateway
Jackson
OpenAPI
Swagger
Multithreading
Data Warehousing
Apache Spark
Big Data
Systems Analysis
Software Development
API Design
Data Pipelines
Project Management
Risk Technology
Performance Tuning
Concurrency
Object-Oriented Programming
Enterprise Reporting

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