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Project Field Coordinator, Mine
Nutrien
Vanscoy, SK
- Full-time
Through the collective expertise of our nearly 26,000 employees, we operate a world-class network of production, distribution, and ag retail facilities. We efficiently serve growers' needs…
Added 3 days ago
AI
RPA UiPath Engineer
Apptoza Inc.
Toronto, ON
- Contract
Provide L2/L3 production support, monitoring platform health, availability, capacity, performance, jobs, queues, robots, and integrations.
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Process/Production Engineer Co-op (8 Months)
ProMach
Richmond, BC
- Full-time
The co‑op students will support the Engineering team across the following activities:
Added 3 days ago
Systems Engineering - Sr. Systems Engineer P4
OSI Maritime Systems
Burnaby, BC
The Systems Engineer P4 is part of the engineering team that develops marine navigation and bridge systems for OSI’s government and naval markets. The Systems Engineer plays a critical role…
Added 3 days ago
Jr. Mechanical Engineer
Draganfly Inc.
Burnaby, BC
The Jr. Mechanical Engineer will support the design, prototyping, testing, and documentation of mechanical parts and systems. Working under the direction of senior engineers, this role…
Added 3 days ago
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Process/Production Engineer Co-op (8 Months)
Federal Mfg
Richmond, BC · CA BC Richmond
- Full-time
The co‑op students will support the Engineering team across the following activities:
Added 3 days ago
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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
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Senior Release Train Engineer
INFOYA
Toronto, ON
- $90,000 to $100,000 CAD / year
- Full-time
Train Engineer (RTE) with a strong background in Scrum Mastery, Release
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Senior Civil Engineer- Municipal Infrastructure
McElhanney
BC · British Columbia, Canada
- Full-time
McElhanney is looking for a Senior Civil Engineer- Municipal Infrastructure to join our growing Fort St. John team and help shape the future of the BC Peace Region. In this role, you’ll…
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Senior Civil Engineer- Municipal Infrastructure
McElhanney
Fort St. John, BC
- Full-time
McElhanney is looking for a Senior Civil Engineer- Municipal Infrastructure to join our growing Fort St. John team and help shape the future of the BC Peace Region. In this role, you’ll…
Added 3 days ago
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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
Field Engineer - Tunnel & Underground
EBC Inc.
Vancouver, BC
We are looking for a Tunnel Field Engineer to join our Stanley Park project in Vancouver.
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Assembly & Test Supervisor
AtkinsRéalis
Mississauga, ON
- Full-time
Ensure production status, labor hours, material usage, job completions, and outstanding work are accurately reflected in the ERP system to provide management with reliable operational data.
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Senior Power Electronics Firmware Engineer
Tonal
Toronto, ON
- $135,000 to $165,000 CAD / year
- Full-time
Tonal is looking for a Senior Power Electronics Firmware Engineer to develop the firmware for our motor drive and power systems. That drive generates up to 250 pounds of digital weight, so…
Added 3 days ago
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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,…
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Manufacturing Engineer
Communications & Power Industries (CPI)
Georgetown, ON
- From $82,000 CAD / year
- Full-time
We are seeking a Manufacturing Engineer to join our CPI Power Electronics team, focusing on the quality and reliability of CPI power amplifiers and/or medical generator products. Working…
Added 3 days ago
Supervisor, Engineering
Linamar Corporation
Guelph, ON
The engineering supervisor manages a team of engineers, overseeing daily operations, tasks assignments and ensuring quality work while providing technical support and mentorship
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
Operations Engineering Specialist
Celestica International LP
Toronto, ON
Senior commodity engineer with extensive experience in managing electronic component quality. Applicant must have experience working directly with suppliers to drive quality improvement…
Added 3 days ago
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Senior RF Hardware Engineer – Design & Validation
Emtar Technologies Inc.
Ottawa, ON
- Full-time
…company. We are seeking a highly adaptable Senior RF Hardware Engineer – Design & Validation with expertise in board-level RF circuit design and PCB layout to join our test and validation…
Added 3 days ago
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Optoelectronic Engineer
Sanmina
Ottawa, ON
- Full-time
We are looking for an experienced Optoelectronic Engineer with a strong background in optical / optoelectronic product development and manufacturing, to join the multidisciplinary…
Added 3 days ago
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Lead Instrumentation Engineer
Actalent
Calgary, AB
- $80 to $100 CAD / hour
- Full-time
The Lead Instrumentation Engineer provides high-quality instrumentation and control (I&C) engineering services across large, complex industrial projects in sectors such as energy, mining,…
Added 3 days ago
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Senior Projects Engineer
Gibraltar Mine
McLeese Lake, BC
- Full-time
We are looking for an experienced professional engineer to join Gibraltar Mine as Senior Projects Engineer, Technical Services. This role provides technical leadership and project…
Added 3 days ago
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Software Engineer (Java, Python & Linux)
Enterprise Solutions Inc.
Toronto, ON
- Contract
Ability to independently troubleshoot application issues and support production environments.
Added 3 days ago
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Artificial Intelligence Engineer
Hays
Toronto, ON
- Contract
We are looking for an AI Engineer with strong Python development experience and hands-on expertise in building and deploying Generative AI solutions.

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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