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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
TT
Design Engineer, Electrical and Traction Power (13543)
Toronto Transit Commission (TTC)
Toronto, ON · Greater Toronto Area, Canada
- $100,318.4 to $125,434.4 CAD / year
- Full-time
Reports to: Senior Design Engineer, Traction Power
Added 2 days ago
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Senior Electrical Engineer
Actalent
Calgary, AB
- $85 to $92 CAD / hour
- Contract
This role is for a Senior electrical engineer with strong low to medium voltage experience (up to 5 kV) on oil and gas projects. The successful candidate will work closely with major energy…
Added 3 days ago
C
AVP Applications Development Sr Programmer Analyst
Citi
Mississauga, ON
- Full-time
Build distributed microservices that power critical financial systems as a Senior Software Engineer, Java Microservices at Citi. You will design, develop, and implement scalable backend…
Added 3 days ago
LC
Process Engineer - Senior
Linamar Corporation
Guelph, ON
- Full-time
We are currently searching for a Senior Process Engineer where you will be responsible for supporting the manufacturing facility in the design, fabrication, modification and evaluation of…
Added 5 days ago
A
Senior Systems Engineer
Actalent
Ottawa, ON
- $120,000 to $140,000 CAD / year
- Full-time
We are seeking a highly skilled Senior Systems Engineer to join our team on a permanent, full-time basis. This role involves supporting the anticipated Land Vehicle Crew Training System…
Added 5 days ago
A
Senior Systems Engineer
Actalent
Calgary, AB
- $120,000 to $140,000 CAD / year
- Full-time
We are seeking a highly skilled Senior Systems Engineer to join our team on a permanent, full-time basis. This role involves supporting the anticipated Land Vehicle Crew Training System…
Added 7 days ago
E
Principal Software Engineer
EngRadar
Kitamaat 2, BC
- Full-time
This is a senior, hands-on role for an engineer who wants influence beyond a single product team. You’ll work in a highly connected environment, on a small team that supports a large…
Added 8 days ago
Principal Software Engineer
Conga
Canada
This is a senior, hands-on role for an engineer who wants influence beyond a single product team. You’ll work in a highly connected environment, on a small team that supports a large…
Added 8 days ago
S
Senior Research Scientist
Seequent
Calgary, AB · Canada Calgary AB Office
- Full-time
Reporting to the Team Lead, Research Engineer, this role advances Seequent Labs research and prototyping in geological modelling and artificial intelligence. The Senior Research Scientist…
Added 9 days ago
R
Kubernetes Reliability Engineer
Roche
Mississauga, ON · Canada Pharma Campus
- Full-time
…to prevent, stop and cure diseases and ensure everyone has access to healthcare today and for generations to come. Join Roche, where every voice…
Added 11 days ago
C
Technicien principal en bâtiment / Senior Building Operator - St Bruno
CBRE
Saint-Bruno-de-Montarville, QC · St-Bruno-de-Montarville, QC
- Full-time
In addition to our core facility and project management capabilities, our platform offers direct access to our Best-in-Class services, including ESG, Security Consulting, Workplace…
Added 11 days ago
CE
Architecte Matériel Senior
CMC Electronics
Montreal, QC
- Full-time
This is an individual contributor role with technical leadership responsibilities and no direct reports. The Chief Engineer and System Engineers lead customer-facing activities, with your…
Added 11 days ago
CE
Architecte Matériel Senior
CMC Electronics
Montreal, QC
- Full-time
Added 11 days ago
GV
Senior Engineer - Mechanical Systems
GE Vernova
Markham, ON
- Full-time
…alternate system design concepts, performance of design trade studies, selection and implementation of the best designs and verification that the design is properly integrated and executed.…
Added 12 days ago
Two (2) Engineer
Toronto Hydro
Toronto, ON
Reporting to the Manager of Stations & Distribution Automation, the Engineer will join a highly skilled engineering team, tasked with the upkeep and expansion of critical electrical…
Added 14 days ago
S
Senior Process Engineer
Sedgman
Vancouver, BC
- Full-time
The Senior Process Engineer will provide process engineering support to Sedgman’s clients at all stages of the project lifecycle from developmental studies through design and into project…
Added 15 days ago
RT
Graduate - Process / Metallurgical Engineering
Rio Tinto
Kitimat, BC
- Full-time
…requisition is for a role of Graduate Process / Metallurgical Engineer based at Rio Tinto Kitimat, BC starting in January…
Added 15 days ago
LC
Engineer - Project, Junior
Linamar Corporation
Guelph, ON
- Full-time
As a Junior Project Engineer, you will support the execution of engineering projects within our automotive parts manufacturing operations. This role involves assisting senior engineers and…
Added 15 days ago
TT
Assistant Designer, Signals (13803)
Toronto Transit Commission (TTC)
Toronto, ON · Greater Toronto Area, Canada
- $91,109.2 to $113,895.6 CAD / year
- Full-time
Reporting to the Senior Design Engineer - Signals, you will be responsible for providing engineering support in the preparation, analysis, monitoring and co-ordination of new projects or…
Added 15 days ago
A
Senior Project Lead Engineer
ABB
Calgary, AB
- Full-time
ABB is seeking a Senior Project Lead Engineer with a strong background in Protection and Controls to join our team. Working at ABB offers a unique opportunity to gain hands-on experience…
Added 16 days ago
W
Electrical Engineer – St. Thomas
WalterFedy
St. Thomas, ON
- Full-time
The Electrical Engineer will be involved in a wide variety of projects within the Electrical Engineering team, applying their technical expertise across various areas. Assignments may…
Added 16 days ago
Electrical Engineer- St. Thomas
WF Group Inc.
Kitchener, ON
The Electrical Engineer will be involved in a wide variety of projects within the Electrical Engineering team, applying their technical expertise across various areas. Assignments may…
Added 17 days ago
CE
Architecte Matériel Senior
CMC Electronics
Montreal, QC
- Full-time
This is an individual contributor role with technical leadership responsibilities and no direct reports. The Chief Engineer and System Engineers lead customer-facing activities, with your…
Added 20 days ago
LD
Senior ILS Engineer
Leonardo DRS
Bedford, QC
- Full-time
As the Senior ILS Engineer, your main responsibilities will include (but not limited to)

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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