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Added 18 days ago
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Senior Java Engineer Tech Lead - Vice President
Citi
Mississauga, ON
- Full-time
We are seeking an experienced Senior Java Engineer, Tech Lead with strong expertise in Java, Apache Spark, Hadoop ecosystem, Hive, Databricks, and large-scale data processing platforms. The…
Added 18 days ago
C
Programmer – Aerospace Metrology Automation
Cyient
Longueuil, QC
- $90,000 to $120,000 CAD / year
- Full-time
…Jetty (PL1), Jenkins (NA), Jbehave (PL1), JavaScript (PL1), Java/J2EE (PL1), Java Swing (PL1), Jasmine (angular) (PL1), iOS (NA), Ionic(Angular) (NA), Integration Management (PL1),…
Added 22 days ago
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Principal Software Developer
Autodesk
Toronto, ON · AMER - Canada - Ontario - Toronto - University Ave
- Full-time
Experience with high-throughput streaming or messaging systems such as Kafka, Kinesis, Flink, Spark, Apache Pinot or similar.
Added 22 days ago
KG
Principal Data Solutions Architect- AI/ML
K&K Global Talent Solutions INC.
Toronto, ON
- Full-time
Strong hands-on expertise in Apache Spark, PySpark, Kafka, Flink, Airflow, NiFi, Trino, SQL, Python, Scala, and Java.
Added 22 days ago
A
Staff Software Engineer - Open Source Data Platform (ODP)
Acceldata
Kitchener, ON
- Full-time
History of significant contributions or committer status in Apache projects (e.g., Spark, Kafka, Hive, Iceberg, Flink, etc.).
Added 22 days ago
WT
Data Engineer
Wissen Technology
Montreal, QC
- Full-time
…high‑performance data pipelines. The ideal candidate comes from a Java or Python backend background and has worked extensively with Apache Spark. Experience with Scala is a plus but not…
Added 23 days ago
TC
Data & Analytics Solutions Architect - Open Source
Tata Consultancy Services
Toronto, ON
- $110,000 to $130,000 CAD / year
- Full-time
Strong hands-on expertise in Apache Spark, PySpark, Kafka, Flink, Airflow, NiFi, Trino, SQL, Python, Scala, and Java.
Added 23 days ago
A
Principal Engineer - Open Source Data Platform (ODP)
Acceldata
Kitchener, ON
- Full-time
PMC member or committer status in Apache projects (e.g., Spark, Kafka, Hive, Hadoop, Iceberg, Flink, Trino).
Added 23 days ago
GM
Senior Software Developer
General Motors
Markham, ON · Oshawa, ON
- Full-time
Experience with Kubernetes, Docker, Terraform, Databricks, Apache Spark/PySpark, workflow orchestration, or event-driven systems.
Added 24 days ago
AS
Full Stack Software Developer
Axelon Services Corporation
Montreal, QC
- $65.52 USD / hour
- Other
Minimum 5 years of hands-on software development experience in the Java ecosystem.
Added 24 days ago
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Tech Lead - Application Development JAVA N 4C
BrightClaim
Montreal, QC
- Full-time
Agile Methodology, Apache Kafka, Java APIs, Java Database Connectivity (JDBC), Scala (Programming Language), Spark ML
Added 24 days ago
MP
Lead Data Engineer (ITA7)
Municipal Property Assessment Corporation
Pickering, ON
- Full-time
Hands-on experience with enterprise cloud data engineering technologies and programming languages such as SQL, Python, Java, Groovy, Spring Boot, Spark, Microsoft Fabric, Databricks, Azure…
Added 24 days ago
Software Engineer
Scotiabank
Toronto, ON
Proven experience with DataBricks, Unity Catalog, Delta Lake and Apache spark
Added 25 days ago
MS
Consultant Conversion - Software Eng III : Job Level - Director
Morgan Stanley
Montreal, QC
- Full-time
Develop backend services and data processing capabilities using Java, Scala, and Apache Spark.
Added 25 days ago
CS
Java developer
Cyber Space Technologies LLC
Montreal, QC
- Full-time
Strong knowledge of Core Java, OOP concepts, and Collections.
Added 25 days ago
D
Java Software Engineer
Dexian
Mississauga, ON
- Contract
We are seeking a highly skilled and passionate Senior Java Backend Developer to join our engineering team as a Senior Individual Contributor. In this role, you will be responsible for…
Added 25 days ago
C
Stagiaire - Spécialiste de données-EN
CAE
Montreal, QC
- Full-time
Expérience de travail avec les données, le codage et la création de scripts (Python/Java/Scala/SQL/JS/Bash), et avec les services cloud Microsoft : Azure, Databrick, etc. est un atout.
Added 26 days ago
OS
Java Software Engineer
Open Systems Technologies
Montreal, QC
- Contract
Experience with distributed data processing pipelines using Apache Spark, Python, and other tools and languages
Added 26 days ago
S
Senior Data Engineer, NimbleRx
Swoop
Toronto, ON
- Temporary
Optimize backend query performance where the data layer meets product code - read-replica routing, indexing, caching, and IO instrumentation in our Java/Spring services.
Added 29 days ago
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Senior AML IT Developer
TD
Toronto, ON
- Full-time
The Java Developer / Data Engineer will join the Compliance, Surveillance & Supervision Product Technology team, which delivers technology solutions supporting the Compliance, Surveillance,…
Added 1 month ago
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Senior AML IT Developer
TD
Toronto, ON
- Full-time
The Java Developer / Data Engineer will join the Compliance, Surveillance & Supervision Product Technology team, which delivers technology solutions supporting the Compliance, Surveillance,…
Added 1 month ago
SG
Technical Team Leader
Societe Generale
Montreal, QC
- Full-time
This includes transitioning from an Azure .NET 3-tier architecture to a modern data-driven ecosystem (Java, Kafka, Data Lake, Spark). As a hands-on leader, you will support the team in…
Added 1 month ago
SG
Programmer Analyst
Societe Generale
Montreal, QC
- Full-time
| Oracle DB| ETL | Power BI | Excel |Python |Spark | Azure Synapse |
Added 1 month ago
Software Development Engineer II, Omnichannel Metrics (OCM) - Measurement, Ad Tech, and Data Science (MADS)
Amazon
Toronto, ON
…distributed data pipelines processing billions of events in Spark/EMR, and build the AI-powered features that transform OCM from a reporting tool into an autonomous measurement platform.…
Added 1 month ago
A
Java Backend Developer (Only 100% Onsite)
André
Montreal, QC
- $70,000 to $80,000 USD / year
- Full-time
Hands on working experience with Distributed Processing Engines such as Apache Spark.

Open Systems Technologies

Java Software Engineer

Montreal, QC, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 5, 2026
Experience: 5+ Years hands-on experience with Core-Java (server-side), Spring, RDBMS
Posting language: English
Posted: Oct 6, 2026

Original job description

Skills Required:

5+ Years hands-on experience with Core-Java (server-side), Spring, RDBMS
Experience with distributed data processing pipelines using Apache Spark, Python, and other tools and languages
Strong object-oriented design and development skills, data-structures and algorithms, and design patterns
A good understanding of how to build multi-threaded applications and hands-on experience with concurrency packages
Excellent critical thinking & analytical ability
A good understanding of building and supporting applications through basic prompt, data context management, and foundational model testing.
A culture of incorporating unit test cases when designing systems using Junit
Strong experience with relational databases logical modelling
Strength in querying large relational databases in an optimized manner
Ability to write scripts in Shell/Perl/Python
Agile Development Experience
Strong collaboration and communication skills. The candidate will work in a global team where clear and concise communication skills are a must.
Work independently following proper coding standards

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More about this job

Responsibilities

Develop and support server-side applications using Java, Spring, relational databases, and distributed data-processing tools. Work independently within a global team, following coding standards and incorporating unit tests and foundational model testing.

Requirements

Requires 5+ years of hands-on experience with Core Java, Spring, and relational databases, along with strong object-oriented design, algorithms, concurrency, and database-querying skills. Candidates should also have experience with Spark, Python, scripting, Agile development, unit testing, and clear collaboration and communication.

Skills

Core Java
Spring
Relational Databases
Apache Spark
Python
Object-Oriented Design
Data Structures And Algorithms
Design Patterns
Multithreading
Concurrency
JUnit
Database Modeling
SQL Query Optimization
Shell Scripting
Perl
Agile Development

Visa sponsorship

Not detected in the job text

Keywords

Core Java
Spring
Apache Spark
Python
Distributed Data Processing
Object-Oriented Design
Data Structures
Algorithms
Design Patterns
Multithreaded Applications
Concurrency
Critical Thinking
Analytical Skills
Prompt Management
Data Context Management
Model Testing
JUnit
Relational Database Modeling
SQL Query Optimization
Shell
Perl
Agile Development
Unit Testing
Coding Standards
Global Team Collaboration

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