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Added 18 mins ago
HI
Senior Data Science Developers
HRbrain Inc.
Toronto, ON
- Full-time
The candidate must demonstrate their experience with automating data pipelines using appropriate Microsoft Azure Platform/Technologies (SQL,Python, Databricks and Azure Data Factory)
Added 18 mins ago
M
Senior Software Engineer-C#
Morningstar
Toronto, ON
- Full-time
Experience with supporting technologies: Databases (SQL Server, AWS Aurora, MySQL, Postgres, NoSQL), Python, REST API’s
Added 48 mins ago
SC
Développeur Python IA (Senior)
SII Canada
Montreal, QC
- Full-time
…nous recherchons une personne expérimentée en développement Python, AI/ML et Generative AI afin de participer à la conception, au développement, à l’intégration et à l’optimisation de…
Added 49 mins ago
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Python Developer
Dexian
Mississauga, ON
- Other
…building and supporting modern software solutions leveraging Python, microservices, APIs, event-driven architectures, and emerging AI…
Added 1 hour ago
Senior Supply Chain Analyst
Freedom Mobile
North Vancouver, BC
Reporting to the Senior Manager, Wireless Network Supply Chain Operations, the Supply Chain Analyst - Data & Analytics contributes to improving operational performance by developing…
Added 1 hour ago
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Senior Java Software Engineer
Altis
Ottawa, ON
- $80 to $85 CAD / hour
- Contract
We are seeking an experienced Senior Java Developer to support a federal government initiative focused on strengthening Canada's cybersecurity capabilities. You'll contribute to the…
Added 1 hour ago
Senior Full Stack Developer - UGH - FT Support
Humber College
Toronto, ON
The Senior Full Stack Developer designs, develops, integrates and maintains secure, scalable enterprise applications and data systems, supporting the University of Guelph-Humber’s academic…
Added 2 hours ago
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Senior Analyst, Credit Risk Analytics, Stress Testing (12 Month Contract)
BMO
Toronto, ON · FCP
- Full-time
Added 2 hours ago
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Full Stack Engineer
Manulife
Toronto, ON · Waterloo, ON
- Full-time
You will work independently on most assignments while collaborating with senior engineers when addressing new or complex challenges. This role is well suited to an engineer who wants to…
Added 2 hours ago
R
Senior Platform Automation Engineer
RBC
Toronto, ON
- Full-time
Microservices Architecture, Python (Programming Language), Red Hat OpenShift, RESTful API Design, RESTful APIs, Software Development, Structured Query Language (SQL), Terraform (Software)
Added 2 hours ago
Bilingual Senior Specialist, Software Engineering (CI/CD & Automation Engineering)
CMHC - SCHL
Ottawa, ON · Montreal, QC
Join the Business Solutions Engineering team, in the Bilingual Senior Specialist, Software Engineering (CI/CD & Automation Engineering) position, where you’ll work closely with the Platform…
Added 2 hours ago
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Java / Python Engineer
Dexian
Mississauga, ON
- $60 to $65 CAD / hour
- Contract
Position Name - Senior Java Software Engineer
Added 2 hours ago
ES
Senior Data Engineer
Exchange Solutions
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Write advanced SQL and Python to develop transformations, frameworks, automation, and reusable engineering tooling.
Added 3 hours ago
CE
Senior Geoscience Technologist
Cenovus Energy
Calgary, AB
- Full-time
Basic knowledge of Python, SQL or other programming languages is considered an asset.
Added 3 hours ago
NB
Senior Data Scientist
National Bank of Canada
Montreal, QC
- Full-time
Demonstrated programming skills, particularly with SAS, SQL, Python, or other programming and automation languages.
Added 3 hours ago
NB
Senior Data Engineer
National Bank of Canada
Montreal, QC
- Full-time
A career as a Senior Developer in Data Engineering on the Financial crime and regulatory projects team at National Bank means serving as a Data Analytics Specialist. This position allows…
Added 3 hours ago
SH
Senior Financial Analyst
Spectrum Health Care
Toronto, ON
- $85,000 to $100,000 CAD / year
- Full-time
Spectrum Health Care is looking for a CPA-designated Senior FP&A Analyst with strong analytical judgment, advanced Power Query and Power BI skills and a proactive approach to…
Added 4 hours ago
AI
Senior Oracle Database Administrator
Apptoza Inc.
Toronto, ON
- Contract
2.Analyze execution plans| perform SQL query tuning| and optimize index structures to eliminate bottlenecks in high-throughput transactional environments.
Added 4 hours ago
JG
Senior Python Developer - Data Lineage & Gen AI - 8+ Years
J2B Global LLC
Mississauga, ON
- Full-time
Role: Senior Python Developer - Data Lineage & Gen AI
Added 4 hours ago
Manager, Quantitative Strategies & Analytics
Scotiabank
Toronto, ON
…and the ability to collaborate effectively with partners and senior stakeholders. Success relies on balancing technical depth with business understanding. Reporting to the Senior Manager,…
Added 4 hours ago
Manager, Quantitative Strategies & Analytics
Scotiabank
Toronto, ON
…and the ability to collaborate effectively with partners and senior stakeholders. Success relies on balancing technical depth with business understanding. Reporting to the Senior Manager,…
Added 4 hours ago
Manager, CWM Analytics, GWM - Toronto/Ottawa
Scotiabank
Toronto, ON
…and performance across Scotiabank. This role partners with senior stakeholders to solve complex business challenges, advance data-driven decision-making, and identify opportunities for…
Added 5 hours ago
Audio Artist III - FC
Electronic Arts
Vancouver, BC · Toronto, ON
Knowledge of code or scripting language (C#, C++, SQL, Python, Lua, etc.)
Added 5 hours ago
ES
Senior Oracle Application Database Administrator
Epsilon Solutions Ltd.
Toronto, ON
- Full-time
We are seeking an experienced Senior Oracle Application DBA to optimize, scale, and maintain mission-critical database applications. This role partners closely with development and…
Added 5 hours ago
FI
Senior Oracle DBA
Flexstaf I.T. Inc.
Toronto, ON · Greater Toronto Area, Canada
- Contract
Collaborate with application teams on data modeling, schema design, and deployment of complex PL/SQL packages, procedures, triggers, and views.

Altis

Senior Java Software Engineer

Ottawa, ON, Canada

$80 to $85 CAD / hour · Contract

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Job details

Pay: $80 to $85 CAD / hour
Job type: Contract
Apply by: Dec 3, 2026
Posting language: English
Posted: Nov 3, 2026

Original job description

We are seeking an experienced Senior Java Developer to support a federal government initiative focused on strengthening Canada's cybersecurity capabilities. You'll contribute to the development, enhancement, and modernization of enterprise applications, including the transition of an existing cybersecurity analytics platform.

Working with technologies such as Java, React, Python, and GraphQL, you'll help deliver secure, scalable solutions that support critical cybersecurity operations and protect Canada's digital infrastructure.

What's in It for You

You'll join a collaborative, people-first consulting environment that values innovation, partnership, and continuous learning. This opportunity offers exposure to sophisticated cybersecurity technologies, enterprise-scale applications, and meaningful public sector initiatives.

You'll work alongside experienced technical professionals, contribute to the modernization of critical systems, and apply your expertise across both front-end and back-end development. Your contributions will help support the security and reliability of systems that Canadians depend on.

Your Responsibilities

Design, develop, enhance, and maintain web-based applications using Java, JavaScript (React), and Python.
Support the modernization and transition of existing applications into a new analytical platform.
Develop front-end components and perform UX design activities using HTML and CSS.
Build and integrate back-end services and APIs using Java, Python, and GraphQL.
Configure, build, and deploy applications using technologies such as Spring, Gradle, Spark, AKS, and Apache Airflow.
Work with relational databases, including MySQL and Oracle, to support SQL operations, database administration, and data migration.

Skills and Qualifications

Minimum 10 years of experience within the last 15 years working as a Programmer or Software Developer.
Minimum 5 years of hands-on experience within the last 8 years developing web-based applications using Java and JavaScript, including React, with relational database backends.
Minimum 3 years of hands-on experience within the last 8 years performing UX design activities, including HTML and CSS markup and styling.
Minimum 2 years of hands-on experience within the last 7 years using integrated development environments, preferably Eclipse or IntelliJ.
Minimum 2 years of hands-on experience within the last 7 years working with source code repositories such as Git.
Strong understanding of full-stack application development, relational databases, and modern web technologies.
Strong analytical, problem-solving, documentation, and communication skills.

Additional Assets

Experience developing applications using Python within the last 8 years.
Experience with build automation tools such as Ivy, Maven, or Gradle within the last 4 years.
Experience working with GraphQL and JSON within the last 5 years.
Familiarity with Agile methodologies, including Scrum and Kanban, and collaboration platforms such as GitLab, GitHub, or Atlassian Confluence.

Why Partner with Altis

If you've never responded to a Government of Canada request, you're in good hands with Altis. With 35+ years of experience staffing federal projects, we understand procurement processes, hold multiple standing offers, and know how to position candidates competitively. We'll guide you through every step - gathering required information, presenting your experience accurately, and ensuring the process feels transparent, supportive, and personal.

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More about this job

Responsibilities

Design, develop, maintain, and modernize web applications and cybersecurity analytics systems using Java, React, Python, and GraphQL. Build front-end components and back-end APIs, deploy applications, and support database operations and data migration.

Requirements

Requires at least 10 years of programming or software development experience, including recent hands-on experience building Java and JavaScript/React web applications backed by relational databases. Also requires recent UX work with HTML and CSS, experience with an IDE and Git, and strong full-stack, analytical, documentation, and communication skills.

Skills

Java
JavaScript
React
Python
GraphQL
HTML
CSS
Spring
Gradle
Spark
AKS
Apache Airflow
MySQL
Oracle
Git
UX Design

Visa sponsorship

Not detected in the job text

Keywords

Java
JavaScript
React
Python
GraphQL
JSON
HTML
CSS
Spring
Gradle
Ivy
Maven
Spark
AKS
Apache Airflow
MySQL
Oracle
SQL
Eclipse
IntelliJ
Git
GitLab
GitHub
Atlassian Confluence
Agile
Scrum
Kanban
Full-Stack Development
Cybersecurity
Data Migration

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