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Added 2 days ago
TS
Data Engineer
The Semios Group
Remote, Canada
- $95,000 to $115,000 CAD / year
- Full-time
- Remote
…portfolio covering crop protection, water management, frost control, automation, and a leading farm management information system. The Semios Group includes trusted brands such as Semios,…
Added 2 days ago
A
Hardware Compliance Engineer
Actalent
Ottawa, ON
- $90,300 to $140,000 CAD / year
- Full-time
Job Title: Hardware Compliance Engineer (EMI/EMC)
Added 2 days ago
A
Test Engineer
Actalent
Quebec, QC
- $40 to $58 CAD / hour
- Contract
Job Title: Validation & Verification (V&V) Engineer Job Description
Added 2 days ago
RL
Calibration Engineer - 12 month contract
RBR Ltd.
Ottawa, ON
- $70,000 to $90,000 CAD / year
- Contract
We are looking for a Calibration Engineer at RBR for a 12 month contract where you will help ensure the calibrations behind our instruments are rigorous, repeatable, and traceable. In this…
Added 2 days ago
C
Forward Deployed Engineer, Infrastructure Specialist (North America)
Cohere
Remote, Canada
- Full-time
- Remote
…environment, allowing companies to deploy AI while maintaining control over sensitive data. North integrates seamlessly with existing workflows, providing a trusted platform that connects…
Added 2 days ago
SG
Data Engineer
Semios Group
Vancouver, BC
- $95,000 to $115,000 CAD / year
- Full-time
…portfolio covering crop protection, water management, frost control, automation, and a leading farm management information system. The Semios Group includes trusted brands such as Semios,…
Added 2 days 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 2 days ago
Electrical/Electronic Design Engineer
National Research Council Canada
Ottawa, ON
Experience designing, implementing, testing, and validating vehicle power management, control, or energy systems, including the analysis of vehicle-level performance and system optimization.
Added 2 days ago
E
Software Engineer
Ecolab
Calgary, AB · CAN-Calgary Office Quarry Park
- Full-time
We are looking for a Software Engineer to help modernize factory operations through software, connected systems, and reliable data. You will build and improve applications that support…
Added 2 days ago
AI
Maintenance Control Technician
Air Inuit
Montreal, QC
- Full-time
The Maintenance Control Technician supports fleet maintenance planning, monitoring, and control activities. The incumbent ensures the accuracy, integrity, and compliance of technical…
Added 2 days ago
KI
GIS & AIS Substation Engineer with strong Power Systems engineering capability
Kleinfelder Inc
Calgary, AB · Edmonton, AB
- Full-time
We are seeking a highly skilled GIS & AIS Substation Engineer with strong Power Systems engineering capability in our Alberta location Edmonton & Calgary to support the design, analysis,…
Added 2 days ago
ML
Chief Power Engineer
Maple Leaf Foods Inc
Saskatoon, SK
- Full-time
Utilize a state-of-the-art Building Automation System to monitor and control various systems throughout the facility including HVAC
Added 2 days ago
ML
Automation Engineer (Night Shift)
Maple Leaf Foods Inc
London, ON
- $71,000 to $103,000 CAD / year
- Part-time
The Automation Engineer reports directly to the Manager, Automation and is responsible for supporting the automation actions for the facility. The automation actions will include system…
Added 2 days ago
ML
IT Security Consultant
Maple Leaf Foods Inc
Mississauga, ON
- $96,000 to $141,000 CAD / year
- Part-time
Identify and define system security requirements.
Added 2 days ago
C&
Embedded Software Engineer
Communications & Power Industries (CPI)
Georgetown, ON
- Full-time
…for use in medical X-Ray Generators. The Embedded Software Engineer must be proficient with…
Added 2 days ago
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Senior Manager, Commercial Management
Metrolinx
Canada
- Full-time
…Transit and UP Express, as well as the PRESTO fare payment system. We are also building new and improved rapid transit, including GO Expansion, Light Rail Transit routes, and major…
Added 2 days ago
MI
Senior Electrical Engineer_MP-SEC-ELEC-SEN
Multi-Phase Industrial & Infrastructure Projects Inc.
Regina, SK
- Full-time
Proven expertise in electrical system design, power distribution, and control systems.
Added 2 days ago
Electrical Engineer
City of Edmonton
AB
…Management Centre (EWMC) - including the Landfill Gas (LFG) Control Building, the site-wide master power plan, major electrical power distribution and control equipment upgrades at the…
Added 2 days ago
L
QA Test Engineer, Industrial
Litmus
Remote, Canada
- Full-time
- Remote
We are hiring a Senior QA Test Engineer (SDET) for our Industrial and Data team. Today the developers on this team test their own work, so the connectors that talk to PLCs and industrial…
Added 2 days ago
UC
Databricks Data Platform Engineer
Univedge Consulting LLC
Canada
- Contract
As a Senior Databricks Data Platform Engineer, you will own the engineering, automation, and day-to-day health of our enterprise Databricks Lakehouse platform. This is a platform-first…
Added 2 days ago
BC
Lead Electrical Engineer
Bantrel Co.
Edmonton, AB
- Full-time
We are currently seeking a qualified Lead Electrical Engineer to join our Energy team, based out of Edmonton, AB. This is a leadership opportunity for an experienced engineer who enjoys…
Added 2 days ago
PA
Aircraft Certification Authority (ACA) - M2, YTZ
Porter Airlines Inc.
Toronto, ON
- Full-time
At Porter Airlines, a rewarding Aircraft Engineer career awaits. Porter is offering Relocation Assistance up to a maximum of $10,000 for successful candidates located outside of Toronto.
Added 2 days ago
RD
Quality Engineer
Randstad Digital
Toronto, ON
- Contract
…artifacts across all testing phases, including Unit Integration, System Integration Testing (SIT), Regression, and User Acceptance Testing…
Added 2 days ago
EE
Lead/ Senior Power Systems Engineer
ECG Engineering Pty Ltd
Mississauga, ON
- Full-time
We are looking for a Lead Power Systems Engineer to join our Toronto team and take technical ownership of complex power systems studies across a diverse and growing project portfolio…
Added 2 days ago
C
Application Development Engineer (Java) - AVP
Citi
Mississauga, ON
- Full-time
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…

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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