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Added 1 min ago
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Software Engineer II
TD
Toronto, ON · Montreal, QC
- Full-time
The TD Insurance Digital Platform is looking for a Software Engineer to join the MyInsurance development team. As a Software Engineer, the candidate will be a key contributor to…
Added 2 mins ago
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Senior IT Systems Engineer
arcadia
Toronto, ON
- $150,000 to $185,000 CAD / year
- Full-time
A well-funded deep-tech AI startup is hiring a Senior IT Systems Engineer to run and scale the corporate IT systems supporting its Toronto and Redwood City offices and remote employees. The…
Added 2 mins ago
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AI Engineer - Senior Consultant
Slalom
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Job Title: Senior Consultant – AI Engineer (Vacant Role)
Added 17 mins ago
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Analytics Engineer
Tantalus
Burnaby, BC
- Full-time
Tantalus is seeking an early-career Analytics Engineer to join our Customer Operations team, reporting to the Senior Director, Customer Experience.
Added 32 mins ago
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Applied AI Test Engineer - Intern
Plusgrade
Toronto, ON · CAN - Toronto
- Full-time
Working under the direction of a Senior SDET on the Applied AI Engineering team, you will build and maintain automated test suites that safeguard production machine learning pipelines and…
Added 32 mins ago
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Applied AI Engineer Intern
Plusgrade
Toronto, ON · CAN - Toronto
- Full-time
Working closely with a senior mentor, you will build and operate the production inference services that serve machine learning models across our partner ecosystem in real time. Your day to…
Added 32 mins ago
Civil Engineer II - Senior Waterworks Design Engineer - REPOST
City of Vancouver
Vancouver, BC
The Senior Water Design Engineer is responsible for managing programs that support the renewal and replacement of aging drinking water infrastructure (distribution main and transmission…
Added 32 mins ago
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Senior Water Resources Engineer
Stantec
Ottawa, ON
- Full-time
We are seeking a senior Professional Engineer who has built the majority of their career around hydraulic and hydrologic modelling and is motivated by developing both high-quality models…
Added 32 mins ago
GC
Senior Software Engineer
Gigafest Consulting
Toronto, ON
- Full-time
Gigafest is seeking an experienced Senior Software Developer to lead the development of a modern public-facing portal for a mission-critical Registration and Permit system. You'll build…
Added 32 mins ago
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Senior Structural Engineer – Infrastructure
CIMA+
Markham, ON
- $110,480 to $151,910 CAD / year
- Full-time
Our growing Infrastructure team in Ontario is seeking a Senior Structural Engineer to play a key role in delivering complex water and wastewater infrastructure projects. This is an exciting…
Added 1 hour ago
Manager of Manufacturing (QA) - MC2
Westerkirk
Woolwich, ON
Select and implement IT resources for Quality and Safety (i.e. required software applications / databases etc.).
Added 1 hour ago
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Facility Reliability & Integrity (FRI) Planner
TC Energy
Calgary, AB
- Full-time
…alternatives where applicable, communicate trade offs, and influence senior stakeholders without direct…
Added 1 hour ago
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Senior Structural Engineer – Infrastructure
CIMA+
Toronto, ON
- $110,480 to $151,910 CAD / year
- Full-time
Our growing Infrastructure team in Ontario is seeking a Senior Structural Engineer to play a key role in delivering complex water and wastewater infrastructure projects. This is an exciting…
Added 1 hour ago
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Senior DevOps Engineer – Azure DevOps & GitHub Actions
BeachHead
Toronto, ON
- $65 to $68 CAD / hour
- Contract
Working with one of our top financial clients, this role calls for a Senior DevOps Engineer – Azure DevOps & GitHub Actions to build and support CI/CD pipelines, standardize DevOps tools…
Added 1 hour ago
DR
Senior Platform Software Engineer – Frontend
DSI Recruiting
Toronto, ON
- $135,000 to $160,000 CAD / year
- Full-time
Our client is seeking a hands-on Senior Platform Software Engineer (Frontend) to build the shared web foundation for a next-generation enterprise application platform. The role develops the…
Added 1 hour ago
C
Senior Structural Engineer – Infrastructure
CIMA+
Mississauga, ON
- $110,480 to $151,910 CAD / year
- Full-time
Our growing Infrastructure team in Ontario is seeking a Senior Structural Engineer to play a key role in delivering complex water and wastewater infrastructure projects. This is an exciting…
Added 1 hour ago
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Full Stack Engineer
Morson Edge (Canada)
Oshawa, ON · Greater Oshawa Metropolitan Area
- Contract
The Senior Software Engineer Developer leads software application development, mentoring developers, and translating business needs into technical solutions. It focuses on improving system…
Added 1 hour ago
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Senior Business Development Advisor
Ovintiv
Calgary, AB
- Full-time
The Senior Business Development Advisor will be a key part of the Corporate Development team with primary responsibility for financial modeling of potential mergers, acquisitions/investment…
Added 1 hour ago
ME
Cloud Engineer
Morson Edge (Canada)
Oshawa, ON · Greater Oshawa Metropolitan Area
- Contract
The Associate Cloud App-Dev Engineer develops, configures, implements, and supports cloud-native applications, PaaS services, and automated infrastructure solutions using modern cloud and…
Added 1 hour ago
2I
Sr. Developer - React/.net/Azure
2iSolutions Inc.
Oshawa, ON
- $90 to $95 CAD / hour
- Contract
Our client - A large industrial organization based out of Oshawa - is looking to hire a Senior Software Engineer for a long term contract role. This is a hybrid based position - on-site 3…
Added 1 hour ago
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Senior Full Stack Java Engineer
Miratech
ON · Ontario, CANADA
- Full-time
We are looking for a Senior Full Stack Engineer to design, develop, and support scalable cloud-native applications that power Workforce Management (WFM), Customer Experience (CX), and…
Added 1 hour ago
S
Senior C++ Engineer
Semperis
Remote, Canada
- Full-time
- Remote
We are seeking an experienced Senior C++ Software Engineer with strong
Added 2 hours ago
C
React Native Engineer
Collabera
Toronto, ON
- $70 to $72 CAD / hour
- Contract
CIBC is growing its mobile engineering team and is looking for experienced Senior React Native Developers to support multiple mobile initiatives across existing and greenfield applications.
Added 2 hours ago
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Penetration Testing/ Red Team Engineer
Zoho
Toronto, ON
- Contract
We are seeking a Senior Penetration Tester / Red Team Engineer to support offensive security initiatives through advanced penetration testing, red team operations, and custom security tool…
Added 3 hours ago
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Product Engineer, Mobile & UX
Pontosense
Toronto, ON
- Full-time
We're looking for a Product Engineer who loves building great software, cares about how people experience it, and is excited to push the boundaries of what's possible with AI. You'll work…

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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