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Added 2 days ago
AI
Practice Lead - Data & AI
Architecture in Motion Inc.
Mississauga, ON
- Full-time
Support Microsoft partner designations and advanced specializations through skilling, customer delivery evidence, and technical readiness.
Added 2 days ago
AM
Machine Learning Resident - Client: ModeDi (12 month term)
Alberta Machine Intelligence Institute
Edmonton, AB
- Full-time
…firm's internal company data and publicly available data to support more informed property analysis for appraisers. The tool provides the background information of each conclusion to the…
Added 2 days ago
Senior Software Engineer
Scotiabank
Toronto, ON
…across web applications and services, including solution design, production support, engineering standards, operational readiness, and mentorship of other team…
Added 2 days ago
Lead SAP S/4HANA Solution Architect, Mining/Mineral Processing (Contract)
Blue Moon Metals
Toronto, ON
Support release, change, testing, deployment, and production stabilization activities.
Added 2 days ago
Cook
Winnipeg Regional Health Authority
Winnipeg, MB
Reporting to the Food Services Manager, the Cook is responsible for all food production activities related to providing high quality food service to residents/tenants, staff and visitors.…
Added 2 days ago
T
Parts store clerk
Techo-Bloc
Longueuil, QC · Saint-Hubert, QC
- Full-time
If you like being hands-on, working close to production, and making sure every product meets the highest standards - this role is for you ⭐
Added 2 days ago
A
Lead Instrumentation Engineer
Actalent
Calgary, AB
- $80 to $100 CAD / hour
- Full-time
Support project planning and delivery by participating in project meetings, preparing progress reports, and ensuring adherence to checking and quality assurance procedures.
Added 2 days ago
CC
Production Associate - Garment Hanger/Inspector - 2nd Shift
Cintas Canada
London, ON
- Full-time
Cintas is seeking a Production Associate - Garment Hanger/Inspector to support the Rental Division. The Garment Hanger/Inspector is responsible for safely and accurately placing customer…
Added 2 days ago
S
Event Videographer
Shootday
QC · Estrie, QC
- Part-time
Shootday, a global photography, videography, and production platform, is looking for talented event videographers in Sherbrooke for paid freelance assignments.
Added 2 days ago
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Développeur(euse) logiciel / Software Developer - C# / .NET / React
Genetec
Remote, Canada
- Full-time
- Remote
Participer à toutes les étapes du cycle de développement : analyse, conception, implémentation, tests, documentation, mise en production et support
Added 2 days ago
Production Associate - Garment Hanger/Inspector - 2nd Shift
Cintas
London, ON
Cintas is seeking a Production Associate - Garment Hanger/Inspector to support the Rental Division. The Garment Hanger/Inspector is responsible for safely and accurately placing customer…
Added 2 days ago
Machine Operator
Giesecke+Devrient
Dorval, QC
Participer à d'autres tâches liées à la production, selon les besoins
Added 2 days ago
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Développeur(euse) logiciel / Software Developer - C# / .NET / React
Genetec
Brossard, QC
- Full-time
Participer à toutes les étapes du cycle de développement : analyse, conception, implémentation, tests, documentation, mise en production et support
Added 2 days ago
A
Intern Developer/ Stagiaire développeur
Acumatica
Montreal, QC
- Internship
As an Intern Developer, you will be part of Acumatica team of developers that collaborate and create large-scale, production-grade cloud-based ERP, CRM, and other web applications using…
Added 2 days ago
MD
z/OS Systems Programmer - ITS3 or ITS4
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
- Full-time
Division/Unit: Office of Enterprise Tech / Mainframe Systems Support
Added 2 days ago
ES
Software Engineer (Java, Python & Linux)
Enterprise Solutions Inc.
Toronto, ON
- Contract
Ability to independently troubleshoot application issues and support production environments.
Added 2 days ago
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Python Software Engineer (Client Facing Consultant)
Luxoft
Toronto, ON
- $120,000 to $150,000 CAD / year
- Full-time
Production support experience, including troubleshooting, monitoring, incident resolution, and operational ownership
Added 2 days ago
PE
WebMethods Administrator
Pragma Edge Inc
Canada
- Full-time
…of WebMethods environments across Development, QA, UAT, and Production landscapes. This includes platform installation, configuration, upgrades, patching, performance optimization,…
Added 2 days ago
E
Mechanical Design Engineer
Evertz
Burlington, ON
- Full-time
…that will be used in leading television broadcast and film production facilities around the…
Added 2 days ago
RE
Platform Integration and Monitoring Consultant
Randstad Enterprise
Montreal, QC
- Full-time
Understanding of Linux-based infrastructure, application lifecycle management, scheduling frameworks, and production support processes.
Added 2 days ago
Y
Ruby & Golang Backend Developer
Yochana
Brampton, ON
- Contract
Support major live sporting events and participate in special-event production watch and support as required.
Added 2 days ago
Y
Backend Developer – Ruby & Golang
Yochana
Brampton, ON
- Full-time
Support major live sporting events and participate in special-event production watch and support as required.
Added 2 days ago
CI
Ruby & Golang_Backend Developer
COGNITO INC
Toronto, ON
- Contract
Support major live sporting events and participate in special-event production watch and support as required.
Added 2 days ago
A
Intern Developer/ Stagiaire développeur
Acumatica
Montreal, QC
- Internship
As an Intern Developer, you will be part of Acumatica team of developers that collaborate and create large-scale, production-grade cloud-based ERP, CRM, and other web applications using…
Added 2 days ago
JI
TI / IT - Architecte principal des applications et développeur principal / Senior Applications Architect & Lead Developer
JAM Industries
Baie-D'Urfé, QC
- Full-time
Soutenir la production de rapports exécutifs et la prise de décisions techniques.

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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