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Added 3 days ago
C
Senior AWS Data Engineer (Strong Databricks)
Ccube
Mississauga, ON
- $70 to $80 CAD / hour
- Full-time
We are looking for a Senior AWS Data Engineer to design and lead scalable, secure, and high-performance cloud data platforms across AWS/Azure." in Mississauga, ON (Hybrid).
Added 3 days ago
H
Ingénieur de projets – Protection et contrôle de postes électriques (secondaire) | Project Engineer – Substation Protection & Control (Secondary)
Hitachi
Montreal, QC · (HE)Office_QC, Saint-Laurent
- Full-time
Added 3 days ago
FM
Process/Production Engineer Co-op (8 Months)
Federal Mfg
Richmond, BC · CA BC Richmond
- Full-time
Added 3 days ago
EF
Forward Deployed Engineer (FDE) Intern (8-12 month intern)
Element Fleet Management
Toronto, ON
- Full-time
…directly to the business teams it serves. As a Forward Deployed Engineer (FDE) Intern, you will join discovery conversations, learn how operational workflows work, and help design, build,…
Added 3 days ago
C
Train Conductor
CN
Sioux Lookout, ON
- Full-time
Write and pass safety and rules exams (as per collective agreement, subsequent mandatory Locomotive Engineer qualification to retain seniority and employment)
Added 3 days ago
TI
Report Developer / Azure Data Engineer
Teckhorizon Inc
Toronto, ON
- Contract
Our Client is seeking a Report Developer / Azure Data Engineer to support enterprise data engineering, cloud integration, and analytics initiatives within the Ontario Data Platform (ODP).
Added 3 days ago
C
Train Conductor
CN
Hornepayne, ON
- Full-time
Write and pass safety and rules exams (as per collective agreement, subsequent mandatory Locomotive Engineer qualification to retain seniority and employment)
Added 3 days ago
WI
Supplier Quality Manager, Nuclear
WSP in Canada
South Bruce Peninsula, ON
- Full-time
Added 3 days ago
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Supervisor Transportation
CN
Kamloops, BC
- Full-time
Added 3 days ago
AL
AltaGas - Sr. Engineer, Operations
AltaGas Ltd.
Grande Prairie, AB
- Full-time
Reporting to the Lead Engineer, Operations, the Senior Engineer, Operations owns the technical health and situational awareness of assigned asset(s). This role works closely with field…
Added 3 days ago
HE
Ingénieur de projets – Protection et contrôle de postes électriques (secondaire) | Project Engineer – Substation Protection & Control (Secondary)
Hitachi Energy
Montreal, QC
- Full-time
Added 3 days ago
FL
Software Engineer (AI Agents)
Fluent, LLC
Remote, Canada
- $130,000 to $155,000 CAD / year
- Full-time
- Remote
Fluent is hiring its first dedicated AI Engineer. Over the past year, AI at Fluent has moved from pilots to production: a service desk agent that closes tickets without a human touch, a…
Added 3 days ago
AL
AltaGas - Sr. Engineer, Operations
AltaGas Ltd.
Grande Prairie, AB · AB - Grande Prairie
- Full-time
Reporting to the Lead Engineer, Operations, the Senior Engineer, Operations owns the technical health and situational awareness of assigned asset(s). This role works closely with field…
Added 3 days ago
Software Engineering - Systems Test Engineer P1
OSI Maritime Systems
Burnaby, BC
The Software Test Engineer 1 applies the principles of software engineering to plan, test, and maintain OSI software products. The Software Test Engineer designs develops and executes…
Added 3 days ago
AM
IP-Post Silicon Validation Engineer
Advanced Micro Devices, Inc
Markham, ON
- Full-time
The AMD NBIO Team is on the lookout for a seasoned IP Validation Design Engineer to join our growing team. As a key contributor to the success of AMD’s IP, you will be part of a leading…
Added 3 days ago
B&
Assistant Construction Manager - Toronto
Burns & McDonnell
Toronto, ON
- Full-time
…Project Manager, Project Manager, Site Manager, and/or the Engineer Procure Construct (EPC) Project Manager or Program Manager with day to day management of project safety, quality,…
Added 3 days ago
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Lead Software Engineer
Virtusa
Toronto, ON
- Full-time
Establish development standards, design patterns, security frameworks, cryptographic key management guidelines, and API specifications.
Added 3 days ago
A
IP-Post Silicon Validation Engineer
AMD
Markham, ON
- $155,200 to $232,800 CAD / year
- Full-time
The AMD NBIO Team is on the lookout for a seasoned IP Validation Design Engineer to join our growing team. As a key contributor to the success of AMD’s IP, you will be part of a leading…
Added 3 days ago
Senior Software Engineer
Scotiabank
Toronto, ON
The Product Onboarding team is seeking a hands-on Senior Engineer to design and deliver modern, cloud-native onboarding applications using JavaScript, TypeScript, MongoDB, Express.js,…
Added 3 days ago
Lead IT Infrastructure & Cloud Engineer - Mining/Mineral Processing
Blue Moon Metals
Toronto, ON
We are seeking a Lead IT Infrastructure & Cloud Engineer to design, implement, and support our core infrastructure, cloud services, and modern workplace environment. This is a hands-on…
Added 3 days ago
C
Software Engineer
Cisco
Ottawa, ON
- $116,700 to $165,800 CAD / year
- Full-time
…enhance visibility, and ensure consistent configuration and security across diverse physical and virtual…
Added 3 days ago
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Senior Software Engineer, Analytics and Reporting Solutions ⭐
Achievers
Toronto, ON
- Full-time
Added 3 days ago
ES
Software Engineer (Java, Python & Linux)
Enterprise Solutions Inc.
Toronto, ON
- Contract
We are looking for an experienced Software Engineer with strong hands-on expertise in Java, Python, Linux, and CI/CD to join a dynamic DevSecOps team supporting a large-scale, highly…
Added 3 days ago
MI
Vulnerability/Application Engineer 7+ years of experience
Maarut Inc
Quebec, QC
- Contract
AWS: core services, security models, cloud vulnerability management
Added 3 days ago
LT
Application Security Engineer
Lorven Technologies Inc.
Canada
- Contract
Remediate application security findings hands-on: read the code, write the fix, open the PR. This is a dev-facing role, not a ticket-filing role.

Enterprise Solutions Inc.

Software Engineer (Java, Python & Linux)

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Dec 5, 2026
Posting language: English
Posted: Nov 5, 2026

Original job description

Software Engineer (Java, Python & Linux)

Location: Mississauga, ON

Experience: 5+ Years

Position: Sub-contractor

Job Description

We are looking for an experienced Software Engineer with strong hands-on expertise in Java, Python, Linux, and CI/CD to join a dynamic DevSecOps team supporting a large-scale, highly available distributed payment system.

The ideal candidate will have experience in application development, microservices, secure coding, automated testing, and production troubleshooting. Familiarity with QA responsibilities and the ability to perform development and testing activities are highly desirable.

Responsibilities

Analyze business requirements, identify use cases, and document technical specifications.
Design, develop, implement, and maintain secure, scalable, and high-performance applications.
Develop and support distributed applications using Java, Python, Spring Boot, and microservices.
Build and maintain RESTful APIs and integrate distributed application components.
Participate in the full software development lifecycle, including requirement analysis, design, development, testing, deployment, and maintenance.
Develop and execute unit, integration, and automated tests as part of CI/CD pipelines.
Follow test-first development practices and maintain high software quality standards.
Perform code reviews, code scanning, vulnerability assessment, and remediation in collaboration with application security teams.
Identify and address security vulnerabilities related to application code, dependencies, and configuration.
Troubleshoot production issues using Linux tools and performance diagnostics.
Work with SQL and NoSQL databases, ORM frameworks, and application data layers.
Maintain technical documentation, user manuals, configuration dictionaries, and technical specifications.
Collaborate with developers, QA teams, security teams, and business stakeholders throughout the project lifecycle.
Incorporate AI-assisted development tools while maintaining code quality, security, and engineering standards.

Mandatory Skills

Bachelor's degree in Computer Science, Software Engineering, or equivalent practical experience.
Minimum 5 years of hands-on software development experience, preferably in high-performance distributed applications.
Strong proficiency in Java and Python.
Experience with Spring Boot, Microservices, and AWS API Gateway.
Strong understanding of Linux internals, including processes, threads, memory management, file systems, networking, signals, and IPC.
Experience with Linux-based production troubleshooting and performance diagnostics.
Proficiency with Git, GitHub, and CI/CD pipelines.
Strong understanding of secure coding practices and common application vulnerabilities.
Experience developing and consuming RESTful APIs using HTTP and JSON.
Hands-on experience with SQL, NoSQL databases, and ORM frameworks.
Knowledge of authentication and authorization standards, including OAuth 2.0 and JWT.
Understanding of cryptography fundamentals and TLS 1.3.
Experience with automated testing, unit testing, integration testing, and test-first development.
Strong analytical, problem-solving, communication, and collaboration skills.

Preferred Skills

Experience with JavaScript, Node.js, and web development frameworks.
Familiarity with Spring, Apache Tomcat, React, or Angular.
Experience with AWS, GCP, or other cloud platforms.
Knowledge of containerization technologies.
Familiarity with GitHub Copilot and AI-assisted development workflows.
Experience with OpenSSL and network troubleshooting tools such as Wireshark.
Knowledge of post-quantum cryptography algorithms.
Familiarity with PCI DSS and PCI SSF security standards.
Experience with static and dynamic application security testing.
Knowledge of diagram-as-code tools such as PlantUML or Mermaid.

Good to Have

Java and AWS integration experience.
Familiarity with application QA responsibilities and test automation.
Ability to independently troubleshoot application issues and support production environments.
Strong documentation skills and attention to detail.

We are committed to fostering an inclusive workplace. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by applicable law

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More about this job

Responsibilities

Design, develop, test, deploy, and maintain secure, scalable distributed applications and RESTful APIs using Java, Python, Spring Boot, and microservices. Support CI/CD and automated testing, address application security vulnerabilities, troubleshoot production issues on Linux, and collaborate with development, QA, security, and business teams.

Requirements

Requires a bachelor's degree in Computer Science, Software Engineering, or equivalent practical experience, plus at least five years of hands-on software development experience. Candidates should be proficient in Java, Python, Linux, CI/CD, secure coding, REST APIs, databases, authentication standards, and automated testing.

Skills

Java
Python
Linux
Spring Boot
Microservices
AWS API Gateway
CI/CD
Git
GitHub
RESTful APIs
Secure Coding
Automated Testing
SQL
NoSQL
OAuth 2.0
JWT

Visa sponsorship

Not detected in the job text

Keywords

Java
Python
Linux
Spring Boot
Microservices
AWS API Gateway
CI/CD
Git
GitHub
RESTful APIs
HTTP
JSON
Secure Coding
Application Security
Vulnerability Assessment
Automated Testing
Unit Testing
Integration Testing
Test-First Development
SQL
NoSQL
ORM Frameworks
OAuth 2.0
JWT
Cryptography
TLS 1.3
Distributed Applications
Production Troubleshooting
DevSecOps
Payment Systems

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