Jobs in Canada

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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
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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
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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
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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 1 day ago
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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 1 day ago
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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 1 day ago
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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 1 day 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 1 day ago
Senior Java Engineer - Security - Elasticsearch
Elastic
Canada
We are seeking a Senior Software Developer to join the Elasticsearch Security team. In this role, you will contribute to the architecture and design of Elasticsearch's main features. These…
Added 1 day ago
Senior Android Infrastructure Software Developer
Google
Waterloo, ON
…computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and mobile; the list goes on and is growing…
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Senior Go/Kubernetes Engineer - Core/Infra - Elasticsearch
Elastic
Canada
…effectively - Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of…
Added 1 day 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 1 day ago
Senior Platform Productivity Engineer - Core/Infra - Elasticsearch
Elastic
Canada
…effectively - Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of…
Added 1 day ago
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Senior Software Engineer
impact.com
Victoria, BC
- $130,000 to $150,000 CAD / year
Senior-level experience (typically 5+ years) building production applications with Java and Spring
Added 1 day ago
AN
Quality Engineer (QE) / SDET – AI Chatbot Validation
Astra North Infoteck Inc.
Toronto, ON
- Contract
We are looking for a seasoned AI first Senior Quality Engineer who is empowered to help the DevOps enablement team deliver highest level quality and is responsible for ensuring the team…
Added 1 day ago
CI
Engineer III, Cloud - CTIO (Hybrid)
CrowdStrike, Inc.
Toronto, ON
- $120,000 to $170,000 CAD / year
- Full-time
…changed - we’re here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI-native platform. We work on large scale distributed systems, processing almost 3…
Added 1 day ago
RC
DevSecOps Platform Engineer
Randstad Canada
Remote, Canada
- $65 to $78 CAD / hour
- Contract
- Remote
Have you spent time architecting enterprise CI/CD pipelines, authoring production-grade Terraform modules, and integrating Application Security controls into developer workflows?
Added 1 day ago
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Director & Principal Engineer, AI/ML & MLOps Platform
Royal Bank of Canada
Vancouver, BC
- Full-time
…compliance standards, especially around data governance and…
Added 1 day ago
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Application Architect - Enterprise & AI
Accommodations Plus International
Markham, ON
- $140,000 to $155,000 USD / year
- Full-time
As an Application Architect, you’ll be the technical lead on product and platform initiatives - taking requirements from product and engineering and designing the systems needed to deliver…
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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…
Added 1 day ago
Technical Solutions Development Manager, Workspace, Google Cloud
Google
Waterloo, ON
13 years of experience troubleshooting and advocating for customers' needs, and triaging technical issues (e.g., hardware, software, application, operational, process).
Added 1 day ago
Sr. Software Developer
Open Text Corporation
Richmond Hill, ON
The Senior Software Developer is a hands-on technical contributor and emerging technical lead who designs, develops, and supports Java and Spring Boot microservices running on Google Cloud…
Added 1 day ago
Software Developer - Senior -Java/React
Bevertec
Toronto, ON
Job Role: Software Developer – Senior (Dynamics 365 CRM with Java/React exp)
Added 1 day ago
RC
Senior Software Developer
Randstad Canada
Toronto, ON
- Contract
We are seeking an experienced Senior Software Developer to provide hands-on technical leadership, solution architecture, and full-stack application delivery for enterprise CRM, Customer…
Added 1 day ago
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Senior Java Developer
Altis
Toronto, ON
- Contract
Are you a seasoned Java Developer who enjoys solving complex technical challenges and building scalable enterprise solutions? An established organization in the transportation and logistics…

Altis

A.6 Programmer/Software Developer 3

Ottawa, ON, Canada

$80 to $85 CAD / hour · Contract

Apply on jobportal.altis.com About employer

Applications open in a new tab.

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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Work requirements

Jobs in Canada