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Added 17 days ago
JG
Oracle EDQ Platform Engineer
J&M Group
Brampton, ON
- Contract
Perform platform upgrades, patching, and environment optimization
Added 17 days ago
OS
Senior Java/Spark Developer
Open Systems Technologies
Mississauga, ON
- Contract
We are seeking a Core Java Engineer with an expertise in big data processing, particularly within the TechFin industry. This is a Contract to Hire role. Its a 3 days Hybrid position in…
Added 17 days ago
Senior Software Engineer, Datastores (Auth0)
Okta
Toronto, ON
We are looking for Engineer who are passionate about distributed systems, availability, and delivering customer value to join our Platform Infrastructure Datastores team. Because we build…
Added 19 days ago
RB
Senior ServiceNow Discovery & Service Mapping Engineer
Royal Bank of Canada
Toronto, ON
- Full-time
As a Senior ServiceNow Discovery & Service Mapping Engineer, you’ll play a pivotal role in designing, implementing, and optimizing ServiceNow’s Discovery and Service Mapping solutions. This…
Added 19 days ago
C
Senior Fullstack Engineer, Agentic Experience
CreatorIQ
Remote, Canada
- $132,000 to $165,000 CAD / year
- Full-time
- Remote
As a Senior Engineer on our Platform Infrastructure team, you will lead the design and governance of our Agentic Solutions. You will bridge the gap between innovative AI agents and…
Added 18 days ago
C
Engineering Manager - API
Craver
Remote, Canada
- Full-time
- Remote
Senior-level backend engineer who maintains deep, hands-on proficiency - you contribute code, review PRs, and lead design discussions as a matter of course
Added 1 month ago
C
Engineering Manager - API
Craver
Canada
- Full-time
Senior-level backend engineer who maintains deep, hands-on proficiency - you contribute code, review PRs, and lead design discussions as a matter of course
Added 19 days ago
R
Senior ServiceNow Discovery & Service Mapping Engineer
RBC
Toronto, ON
- Full-time
As a Senior ServiceNow Discovery & Service Mapping Engineer, you’ll play a pivotal role in designing, implementing, and optimizing ServiceNow’s Discovery and Service Mapping solutions. This…
Added 19 days ago
C
AI Engineer Intern (Winter 2027)
Ciena
Ottawa, ON
- Full-time
Contribute to user interfaces, backend services, and reusable platform capabilities that improve the usability and maintainability of AI applications.
Added 18 days ago
PG
Artificial Intelligence Engineer
Pacer Group
Toronto, ON
- $70 to $75 CAD / hour
- Contract
Job Title: Senior AI Engineer -JVM Engineering (Java, Kotlin)
Added 18 days ago
TH
QA Automation Engineer (Askuity division)
The Home Depot Canada
Toronto, ON
- Full-time
We are looking for a dynamic QA Automation Engineer, eager to deliver high quality SaaS based products. As a member of the Product Development team at Askuity, you will help design and…
Added 18 days ago
L
Customer Success Application Engineer
Litmus
Toronto, ON
- Full-time
…real-time data from machines, systems, and sensors at the edge. Our platform sits at the intersection of edge computing, AI, and industrial operations, enabling some of the world’s largest…
Added 19 days ago
M
Senior Infrastructure Specialist
McKesson
Mississauga, ON
- Full-time
The Senior Infrastructure Engineer plays a critical role in modernizing McKesson’s infrastructure, accelerating cloud adoption, improving platform reliability, reducing technical debt, and…
Added 18 days ago
RS
Site Reliability Engineer
Redwood Software
ON
- $125,000 to $145,000 CAD / year
As a Site Reliability Engineer (SRE) / DevOps Engineer you will be responsible for ensuring the stability, performance, scalability, and reliability of Redwood’s mission-critical SaaS…
Added 18 days ago
TC
Data Engineer
TMC Canada
Montreal, QC
- Full-time
…core infrastructure components across Sybase, DB2, and MSSQL database platforms, as well as newer platforms such as MongoDB, Snowflake, and Azure SQL. The ideal candidate is passionate…
Added 18 days ago
DI
Site Reliability Engineer (1890)
Direct IT Recruiting Inc.
Toronto, ON
- $85 to $94 CAD / hour
- Contract
Partner Across Technology Teams: Collaborate with Product Engineering, Data Solutions, Data Platform, Architecture, Security, Technology Services, database, and quality assurance teams to…
Added 18 days ago
I
Data Cloud Platform Engineer (DBA) (2)
Intralot
Vancouver, BC
- Full-time
As a Data Cloud Platform Engineer, you will be responsible for the day-to-day operation, stability, and continuous improvement of existing database platforms running on AWS. You will ensure…
Added 18 days ago
BC
Data Cloud Platform Engineer (DBA) (2)
Bally’s Corporation
Vancouver, BC
- Full-time
As a Data Cloud Platform Engineer, you will be responsible for the day-to-day operation, stability, and continuous improvement of existing database platforms running on AWS. You will ensure…
Added 19 days ago
BI
Data Cloud Platform Engineer (DBA) (2)
BALLY’S INTRALOT SA
Vancouver, BC
- Full-time
As a Data Cloud Platform Engineer, you will be responsible for the day-to-day operation, stability, and continuous improvement of existing database platforms running on AWS. You will ensure…
Added 19 days ago
TC
Junior Software Engineer
TeamBuilder Consulting
Vancouver, BC · Greater Vancouver Metropolitan Area
- Full-time
Contribute to modern data platform architecture and solution design
Added 1 month ago
OP
Staff Software Engineer
Open People Network (OPN)
Toronto, ON
- Full-time
…unpaid administrative work. Docnote provides an end-to-end platform that manages the entire process, from the initial patient request through to secure payment collection and digital…
Added 20 days ago
TI
DevOps Engineer
TitanFile Inc.
Toronto, ON
- Full-time
TitanFile is looking for a DevOps Engineer who is personable, persistent, and confident. A person who is passionate about learning new technologies and improving the skills they already…
Added 20 days ago
TI
DevOps Engineer
TitanFile Inc.
Toronto, ON
- Full-time
TitanFile is looking for a DevOps Engineer who is personable, persistent, and confident. A person who is passionate about learning new technologies and improving the skills they already…
Added 19 days ago
RT
Sr Integration Engineer (Intelligent Automation)
Russell Tobin
Toronto, ON
- $90 to $100 CAD / hour
- Contract
Position: Sr Integration Engineer (Intelligent Automation)
Added 20 days ago
EB
AI Solution Architect
EQ Bank | Canada's Challenger Bank
Toronto, ON
- Full-time
The role designs AI/agentic solutions primarily on Microsoft Azure, with working exposure to Google Cloud Platform (GCP) where initiatives require it (e.g., Vertex AI / Gemini Enterprise…

Open Systems Technologies

Senior Java/Spark Developer

Mississauga, ON, Canada

Contract

Apply About employer

Applications open in a new tab.

Job details

Job type: Contract
Apply by: Oct 17, 2026
Posting language: English
Posted: Sep 17, 2026

Original job description

We are seeking a Core Java Engineer with an expertise in big data processing, particularly within the TechFin industry. This is a Contract to Hire role. Its a 3 days Hybrid position in Mississauga.

Must take a Technical Screening!!!

Candidate should have experience working with financial enterprise technologies and large-scale distributed computing systems.

Key Responsibilities:

Design, develop, optimize, and maintain scalable data pipelines for processing and analyzing large scale financial data built on Core Java

Lead projects for developing batch pipeline processes for credit risk analytics including, but not limited to, stress loss (GSST, CCAR) and expected credit loss (CECL, IFRS9, ICAAP)

Ensure the efficient storage of and retrieval of all risk data in our big data platform systems (Hadoop, Hive, Impala, Spark, etc.)

Implement best practices for spark performance tuning including, but not limited to, partitioning, caching, and memory management.

Maintain code quality through high-efficiency testing, CI/CD pipelines (Tekton, Harness), and version control (GitHub).

Qualification Skills:

7+ years of experience in software development, specifically Core Java & Java 8 concepts (OOP, OOD, Collections, Exception Handling, JDBC, Multithreading, Streams, Lamda Expressions, Functional Interfaces, etc.).

5+ years of experience in SQL/NoSQL database management systems (Oracle, MySQL, Postgres, MongoDB, Couchbase, Neo4j)

3+ years of experience leading/owning software development projects from beginning to end with multiple team members.

Experience working in financial market and credit risk enterprise software systems including, but not limited to, scenario analysis and stress testing.

Experience with GitHub, Tekton, Harness, and other CI/CD pipeline technologies.

Ability to work in a fast-paced TechFin environment.

Experience with agentic AI tools (Devin, Claude, or Copilot)

Apply About employer

More about this job

Responsibilities

Design, develop, and maintain scalable data pipelines for processing large-scale financial data using Core Java and Spark. Lead projects focused on batch pipeline processes for credit risk analytics including stress loss and expected credit loss modeling.

Requirements

Requires 7+ years of software development experience with a strong focus on Core Java and 5+ years in SQL/NoSQL database management. Candidates must have experience in financial market enterprise systems and proficiency with CI/CD tools and big data platforms.

Skills

Core Java
Spark
Big Data
SQL
NoSQL
Hadoop
Hive
Impala
Credit Risk
CI/CD
Tekton
Harness
GitHub
Distributed Computing
Data Pipelines
Agentic AI

Visa sponsorship

Not detected in the job text

Keywords

Core Java
Spark
Big Data
TechFin
Credit Risk
Hadoop
Hive
Impala
SQL
NoSQL
Oracle
MySQL
Postgres
MongoDB
Couchbase
Neo4j
CI/CD
Tekton
Harness
GitHub
Distributed Computing
Data Pipelines
Stress Loss
CECL
IFRS9
ICAAP
Agentic AI
Devin
Claude
Copilot

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