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Added 1 min ago
Technician, Studio - Visual Arts
City of Mississauga
Mississauga, ON
Added 1 min ago
D
Product Solutions Consultant
Docebo
Remote, Canada
- $95,500 to $127,300 CAD / year
- Full-time
- Remote
Added 16 mins ago
F
Applied AI Engineer
Foresight
Montreal, QC
- $180,000 to $230,000 CAD / year
- Full-time
…them. A single hyperscale campus involves an owner, a general contractor, dozens of trades, long-lead equipment suppliers, lenders and commissioning teams. Each works from its own schedule…
Added 16 mins ago
D
Maintenance Planner
Diageo
Gimli, MB
- Full-time
Added 17 mins ago
IE
Senior Electrical Engineer
Inferno Energy
AB · Greater Edmonton Metropolitan Area
- Full-time
InfernoEnergy is a design-build electrical and solar contractor serving commercial and light-industrial clients across Alberta. Founded in 2019 by Curtis Craig, a Master Electrician and…
Added 17 mins ago
LS
Estimator, ICI Construction - Permanent - 19532
LRO Staffing
Ottawa, ON
- Full-time
Parker Huggett is working with a well-established and growing General Contractor in Ottawa that is looking to add an Estimator to its team.
Added 17 mins ago
GR
Hydronics Lead
Goldbeck Recruiting
Brampton, ON
- Full-time
Our client is a non-union, TSSA-certified HVAC contractor headquartered in the Greater Toronto Area, Canada. The company delivers HVAC and refrigeration services to organizations of all…
Added 17 mins ago
Maintenance - Maintenance Planner
Aliment Sofina inc
Hanover, ON
Maintain maintenance records, contractor documentation, and technical equipment information.
Added 17 mins ago
SM
Electrican and/ or Electrical Leader
SCR Mining & Tunnelling
Sudbury, ON
- Full-time
SCR Mining and Tunnelling L.P. is a premier, multidisciplinary mining contractor with over 30 years of experience in mine development and construction. We have a demonstrated record of…
Added 17 mins ago
BC
Technical Manager
Birla Carbon
Hamilton, ON
- Part-time
Safety and environmental management: Work permits, emergency procedures, and employee and contractor safety in a carbon black facility, including combustible dust and tail gas hazards.
Added 32 mins ago
TE
Commercial Property and Leasing Manager
TRIPLE EIGHT TRANSPORT INC.
Abbotsford, BC
- $90,000 to $110,000 CAD / year
Added 46 mins ago
DM
Well Servicing Lead
Denison Mines Corp.
Athabasca, AB
- Full-time
…Working with technical, drilling, operations, maintenance, and contractor teams, the role will support well installation, testing, troubleshooting, and rehabilitation as the project…
Added 46 mins ago
DM
Well Servicing Technician
Denison Mines Corp.
Athabasca, AB
- Full-time
…alongside technical, drilling, operations, maintenance, and contractor teams. The position will require regular site travel during commissioning before transitioning to a site-based,…
Added 46 mins ago
FR
Strata Manager
FirstService Residential Canada
Kelowna, BC
- Full-time
Added 46 mins ago
AE
Instrumentation & Controls Engineer
Associated Engineering
AB · Edmonton, AB
- Full-time
Added 46 mins ago
A
Superintendent / Concierge - resident or non-resident
Armco
Mascouche, QC
- Full-time
…inspections, prepares apartments for new tenants, coordinates contractor services, and responds to tenant maintenance requests to ensure a clean, safe, and well-maintained environment for…
Added 46 mins ago
PH
Senior Project Manager - Permanent - 4271
Parker Huggett - A Division of LRO Staffing
AB · Edmonton, AB
- Full-time
An Alberta-based general contractor with a full slate of ICI (Industrial, Commercial, Institutional) work is looking for a Senior Project Manager to take the wheel on some of their larger…
Added 46 mins ago
PH
Health & Safety Coordinator - Permanent - 4337
Parker Huggett - A Division of LRO Staffing
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Parker Huggett is partnering with a large, well-established Canadian contractor with a deep footprint across Ontario. Their portfolio covers both building and civil construction:…
Added 46 mins ago
GC
Chief Engineer / Mechanical Engineering Project Lead
Gramian Consulting Group
Remote, Canada
- Contract
- Remote
Added 46 mins ago
GC
Systems Architect / Engineering Architecture Lead
Gramian Consulting Group
Remote, Canada
- Contract
- Remote
Added 46 mins ago
FW
Senior Full Stack Engineer
Foresight Works Ltd
Remote, Canada
- $180,000 to $230,000 CAD / year
- Full-time
- Remote
…them. A single hyperscale campus involves an owner, a general contractor, dozens of trades, long-lead equipment suppliers, lenders and commissioning teams. Each works from its own schedule…
Added 46 mins ago
Well Servicing Technician
Denison Mines
SK · Athabasca Basin, Saskatchewan
…alongside technical, drilling, operations, maintenance, and contractor teams. The position will require regular site travel during commissioning before transitioning to a site-based,…
Added 1 hour ago
PH
Senior Estimator, Design-Build - Permanent - 4316
Parker Huggett - A Division of LRO Staffing
Vaughan, ON
- Full-time
Parker Huggett is partnering with an established General Contractor with over 30 years of delivering ICI projects across Southern Ontario on time, on budget and beyond expectations. The…
Added 1 hour ago
RC
Clean Energy Rotation Program (Entry-Level)
Renewable Careers
Calgary, AB
- $75,000 to $100,000 CAD / year
- Full-time
Engineering & Construction: technical design, contractor coordination and delivering projects in the field
Added 1 hour ago
PH
Site Superintendent - Permanent - 4330
Parker Huggett - A Division of LRO Staffing
Ottawa, ON
- Full-time
Parker Huggett is working with a well-established, family-owned Canadian general contractor that continues to make its mark across the industrial, commercial, and institutional construction…

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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