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Added 3 days ago
I
Quality Engineer – Aerospace Manufacturing
InfoStride
Montreal, QC
- Full-time
We are seeking an experienced Quality Engineer with a strong background in aerospace manufacturing and operational quality. The ideal candidate will lead root cause analysis, identify…
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
L
Python Software Engineer (Client Facing Consultant)
Luxoft
Toronto, ON
- $120,000 to $150,000 CAD / year
- Full-time
…This role is suited for an experienced, self-directed software engineer who can operate with a high degree of autonomy, take ownership of outcomes, solve ambiguous problems, and deliver…
Added 3 days ago
LT
Application Security Engineer
Lorven Technologies Inc.
Canada
- Contract
Added 3 days ago
AS
Quality Engineer
AgileGrid Solutions
Canada
- Full-time
As a Quality Engineer, you will help protect product quality and customer satisfaction by investigating product failures and driving effective corrective and preventive actions. You will…
Added 3 days ago
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Associate Software Engineer
TD
London, ON · Toronto, ON
- Full-time
Create and maintain quality code, ensure defect free programming consistent with standards; provide code maintenance and support during testing cycles
Added 3 days ago
QW
Senior Platform Engineer (UiPath)
Quantum World Technologies Inc.
Canada
- Contract
Support Disaster Recovery planning, failover testing, and business continuity.
Added 3 days ago
VT
Hardware Test Engineer
VANJOBS Technical Recruiters
Vancouver, BC
- Full-time
Company growth has resulted in a new opportunity for a Hardware Test Engineer to advance Richmond’s engineering operations. With a focus on hands-on testing, electrical validation, and…
Added 3 days ago
Z
React Native - Mobile Full Stack Developer
Zoho
Toronto, ON
- Contract
As a Senior Full Stack Software Engineer in our US Retirement technology organization, you will design, build, and ship high-quality mobile and backend solutions that serve our Retirement…
Added 3 days ago
ES
Software Engineer (Java, Python & Linux)
Enterprise Solutions Inc.
Mississauga, ON
- Contract
What does a successful Application Developer Software Engineer do
Added 3 days ago
SL
Project Engineer/ Leader
Stern Laboratories Inc
Hamilton, ON
- Full-time
Added 3 days ago
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Spécialiste principal(e) en IA appliquée/ Senior AI Engineer
AUDELA
Montreal, QC
- Full-time
Added 3 days ago
MH
HVDC Design Engineer (Electrical/Computer Engineer)
Manitoba Hydro
Winnipeg, MB
- Full-time
We are seeking a Senior HVDC Design Engineer to join the Station Design Department and help design, modernize, and support critical HVDC converter and transmission station infrastructure.
Added 3 days ago
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Software Design/Engineer - New Grad
Ciena
Ottawa, ON
- Full-time
Added 3 days ago
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Product Engineer, Mobile & UX
Pontosense
Kitchener, 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…
Added 3 days ago
B
PEY - Junior Fullstack Engineer
BiblioCommons
ON · Canada - Ontario
- Full-time
Added 3 days ago
B
PEY - Junior Fullstack Engineer
BiblioCommons
ON · Canada - Ontario
- Full-time
Added 3 days ago
FL
Senior MLOps Engineer (AdTech)
Fluent, LLC
Remote, Canada
- $130,000 to $140,000 CAD / year
- Full-time
- Remote
We are seeking a Senior MLOps Engineer based in Canada to join our data and machine learning team. This role will co-own MLOps practices at Fluent Media and establish standards for model…
Added 3 days ago
FL
Senior MLOps Engineer (Real-Time Decisioning)
Fluent, LLC
Remote, Canada
- $130,000 to $140,000 CAD / year
- Full-time
- Remote
We are seeking a Senior MLOps Engineer based in Canada to join our data and machine learning team. This role will co-own MLOps practices at Fluent Media and establish standards for model…
Added 3 days ago
H
Frontend Developer
Hays
Toronto, ON
- Contract
Client is seeking a talented Front-End Engineer to join its digital technology team and help build customer-facing applications that serve millions of Canadians.
Added 3 days ago
PC
District Energy System Mechanical Team Lead
Pinchin Canada
Burnaby, BC
- Full-time
Provide technical leadership on district energy projects, serving as Lead Engineer or Technical Manager as required.
Added 3 days ago
BS
Azure Databricks Platform engineer
BULL-IT SOLUTIONS LTD
Toronto, ON
- Full-time
We are looking for an experienced Azure Databricks Platform Engineer to design, implement, administer, automate, and support enterprise-scale Azure Databricks environments.
Added 3 days ago
SS
Engineering Technologist
Summit Search Group
Brampton, ON
- Full-time
The role of Engineering Technologist will assist engineers and other staff in product design, testing, repair and product improvement. Prepare layouts of machinery or equipment or plan the…
Added 3 days ago
PI
District Energy System Mechanical Team Lead
Pinchin in Canada
Abbotsford, BC · Burnaby, BC · Kelowna, BC · Victoria, BC
- Full-time
Provide technical leadership on district energy projects, serving as Lead Engineer or Technical Manager as required.
Added 3 days ago
A
Resident Electrical EIT
AECOM
Burnaby, BC
- $75,000 to $90,000 CAD / year
- Full-time
Candidates should be registered as an EIT (Engineer-in-Training) within Canada

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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