Jobs in Canada

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Added 11 hours ago
M
Senior Java Developer (with LLM expertise)
Miratech
Mississauga, ON
- Full-time
- Hybrid
Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office
Added 11 hours ago
M
Senior Java Developer (with LLM expertise)
Miratech
Markham, ON
- Full-time
- Hybrid
Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office
Added 11 hours ago
M
Senior Java Developer (with LLM expertise)
Miratech
Vaughan, ON
- Full-time
- Hybrid
Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office
Added 11 hours ago
M
Senior Java Developer (with LLM expertise)
Miratech
Brampton, ON
- Full-time
- Hybrid
Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office
Added 11 hours ago
M
Senior Java Developer (with LLM expertise)
Miratech
Richmond Hill, ON
- Full-time
- Hybrid
Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office
Added 11 hours ago
M
Senior Java Developer (with LLM expertise)
Miratech
Kitchener, ON
- Full-time
- Hybrid
Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office
Added 11 hours ago
M
Senior Java Developer (with LLM expertise)
Miratech
Ottawa, ON
- Full-time
- Hybrid
Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office
Added 11 hours ago
M
Senior Java Developer (with LLM expertise)
Miratech
Hamilton, ON
- Full-time
- Hybrid
Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office
Added 11 hours ago
M
Senior Java Developer (with LLM expertise)
Miratech
London, ON
- Full-time
- Hybrid
Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office
Added 11 hours ago
M
Senior Java Developer (with LLM expertise)
Miratech
Calgary, AB
- Full-time
- Hybrid
Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office
Added 11 hours ago
M
Senior Java Developer (with LLM expertise)
Miratech
Edmonton, AB
- Full-time
- Hybrid
Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office
Added 11 hours ago
M
Senior Java Developer (with LLM expertise)
Miratech
Ottawa, ON
- Full-time
- Hybrid
Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office
Added 11 hours ago
M
Senior Java Full Stack Developer
Miratech
ON
- Full-time
- Hybrid
Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office
Added 11 hours ago
M
Senior Java Full Stack Developer
Miratech
Scarborough, MB
- Full-time
- Hybrid
Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office
Added 11 hours ago
M
Senior Java Full Stack Developer
Miratech
Midtown Toronto, ON
- Full-time
- Hybrid
Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office
Added 11 hours ago
JC
7649-IT - Developpeur full stack / Full Stack Developer - Expert
Jarvis Consulting Group
Montréal, QC
- Contract
We are looking for a senior full stack developer who is comfortable working in a multidisciplinary team. Our teams deliver applications using modern technologies to serve our internal and…
Added 11 hours ago
Senior Software Engineer
Third-Party Job Posts
Canada
As a 𝗦𝗲𝗻𝗶𝗼𝗿 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 on the Core AI Squad, you'll design, build, and operate customer-facing AI platform capabilities that power intelligent product…
Added 11 hours ago
RC
Senior QA Analyst
Randstad Canada
Toronto, ON
- $56.19 to $62.82 CAD / hour
- Contract
Assignment Type: Onsite (5 days per week)
Added 11 hours ago
RC
Project Manager - Software Dev - Hybrid
Randstad Canada
Mississauga, ON
- $100,000 to $120,000 CAD / year
- Full-time
…define and deliver custom enterprise software solutions built on Java and J2EE architectures. Our clients’ Clearing initiatives drive scalability, software innovation, and continuous…
Added 11 hours ago
HC
Sr. Developer - Application Development JAVA N 4B
Headstrong Canada Company
AB
- Full-time
- Hybrid
Agile Methodology, Apache Kafka, Java Full Stack Development
Added 11 hours ago
O
Senior Software Developer
OSEDEA
Montréal, QC
- Full-time
- Hybrid
As a Senior Software Developer, we expect you to be disciplined regarding software development, and ready and eager to collaborate with and mentor technical and non-technical teammates as…
Added 11 hours ago
RC
Senior Software Developer - Back End
Randstad Canada
Toronto, ON
- Contract
We are seeking an experienced Senior Software Developer - Back End to manage the interchange of data between servers and user-facing applications while engineering robust, accessible, and…
Added 11 hours ago
RC
Senior Systems Testing/QA Specialist
Randstad Canada
Toronto, ON
- Contract
Full-Stack Validation: Complete coverage spanning front-end user interfaces, web services, microservices, and backend relational databases.
Added 11 hours ago
RC
Senior Software Developer
Randstad Canada
Toronto, ON
- Contract
We are seeking an experienced Senior Software Developer to lead the technical design, development, systems re-engineering, and implementation of large-scale enterprise web applications. In…
Added 11 hours ago
A
A.6 Programmer/Software Developer 3
Altis
Ottawa, ON
- $80 to $85 CAD / hour
- Contract
We are seeking experienced Senior Java Developers to support a federal government initiative focused on strengthening Canada's cybersecurity capabilities. You'll contribute to the…

Altis

A.6 Programmer/Software Developer 3

Ottawa, ON, Canada

$80 to $85 CAD / hour · Contract

Apply on jobportal.altis.com About employer

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Job details

Pay: $80 to $85 CAD / hour
Job type: Contract
Posting language: English
Posted: Oct 29, 2026

Original job description

Job Title: Senior Java Developer (Level 3)
Location: Ottawa, Ontario (On-site – Vanier location)
Duration: Contract (1 year, with up to three additional one-year option periods)
Security Clearance: Must meet Enhanced Reliability security requirements
Compensation: 80-85/hr INC

About the Opportunity

We are seeking experienced Senior Java Developers 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.

We appreciate the time and effort all applicants invest in their submissions. Please note that only candidates shortlisted for this role will be contacted directly. However, your profile will remain under consideration for future opportunities that align with your experience and career goals.All qualified applicants will receive fair consideration for employment. We welcome individuals of all backgrounds, experiences, and identities including those who identify as women, members of racialized groups, Indigenous Peoples, persons with disabilities, and 2SLGBTQIA+ communities. If you require an accommodation, please review our accessibility policy and reach out to our accessibility officer with any questions. Our human recruiters review all applications and always make the final hiring decision. On occasion, we also use AI-assisted tools to help review applications.

Apply on jobportal.altis.com About employer

More about this job

Responsibilities

The Senior Java Developer at Altis will build, update and maintain web applications using Java, React and Python. They will also move existing applications onto a new analytical platform and build the back-end services and APIs behind them.

Requirements

Candidates need at least 10 years of software development experience and 5 years building web applications with Java, JavaScript and React on relational databases. They also need UX and front-end skills in HTML and CSS, plus Enhanced Reliability clearance.

Skills

Java
React
JavaScript
Python
GraphQL
HTML
CSS
Spring
Gradle
Apache Spark
AKS
Apache Airflow
MySQL
Oracle
SQL
Git
Eclipse
IntelliJ IDEA
Maven
Ivy
JSON
REST APIs
UX design
full-stack development
relational databases

Keywords

Java
React
Python
GraphQL
JavaScript
HTML
CSS
Spring
Gradle
Spark
AKS
Apache Airflow
MySQL
Oracle
Git
Eclipse
IntelliJ
Maven
Ivy
JSON

Seniority

Senior

Tools

Eclipse
Git
Gradle
Maven
Spring
Apache Spark
Apache Airflow
AKS
MySQL

Languages

English

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Jobs in Canada