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Added 8 hours ago
AC
Project Engineer
Atlas Copco Group
Mississauga, ON
- Full-time
Bring your curiosity to work as our next Project Engineer. You will be part of our Engineering team reporting to the Engineering Manager. In this role, your mission is to be the leader of…
Added 8 hours 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 8 hours ago
M
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…
Added 8 hours ago
WI
Supplier Quality Manager, Nuclear
WSP in Canada
South Bruce Peninsula, ON
- Full-time
You will strengthen supplier performance and protect project outcomes through hands-on supplier quality leadership:
Added 8 hours ago
M
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 8 hours 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 8 hours ago
CE
Hvac Project Coordinator
Carmichael Engineering Ltd.
Calgary, AB
- Full-time
Ability to travel to job sites within the area as needed to support the Project Engineer
Added 10 hours ago
GM
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 10 hours ago
RK
Manager, Software Engineering
Rakuten Kobo Inc.
Toronto, ON · Kobo-ON-John Street
- $144,812 to $194,812 CAD / year
- Full-time
5+ years of experience as a Software Engineer, preferably in C++
Added 10 hours 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 10 hours ago
E
Mechanical Design Engineer
Evertz
Burlington, ON
- Full-time
Meet with suppliers to discuss project requirements
Added 10 hours ago
GF
Mechanical Engineer
General Fusion
Richmond, BC
- $80,000 to $110,000 CAD / year
- Full-time
The Mechanical Engineer will be a key contributor in a team responsible for designing, building and operating mechanical systems in support of General Fusion’s LM26 project. The successful…
Added 10 hours ago
ES
Software Engineer (Java, Python & Linux)
Enterprise Solutions Inc.
Mississauga, ON
- Contract
What does a successful Application Developer Software Engineer do
Added 10 hours ago
L
Technical Support Engineer
Luxoft
Toronto, ON
- Full-time
Added 11 hours ago
OT
Structural Design Coordinator
Ontario Transit Group
Toronto, ON
- Full-time
The project will strengthen Ontario’s economy by supporting an estimated 1,500 jobs at the peak of construction.
Added 11 hours ago
A
Resident Electrical EIT
AECOM
Burnaby, BC
- $75,000 to $90,000 CAD / year
- Full-time
…construction phase of the North Shore Wastewater Treatment Plant project. The ideal candidate will have field experience with a strong background in multi-disciplinary, industrial projects,…
Added 11 hours ago
CS
Marketing Generalist II - 12-Month Contract
Columbia Sportswear Company
London, ON
- Full-time
That’s why we engineer everything we make for anything nature can throw at you.
Added 11 hours ago
T
Director, Utility Engineering & Business Development
Telecon
Vaughan, ON
- $145,000 to $150,000 CAD / year
- Full-time
Work closely with clients and internal teams to successfully transition newly won opportunities from business development through project execution.
Added 11 hours ago
CE
Thermal Production Engineer
Cardinal Energy Ltd.
Calgary, AB
- Full-time
…past 10+ years. Following the success of our Reford 1 SAGD Project, Cardinal Energy is now expanding its thermal heavy oil operations in Saskatchewan with the ongoing execution of the…
Added 11 hours ago
CE
Thermal Development Engineer
Cardinal Energy Ltd.
Calgary, AB
- Full-time
…past 10+ years. Following the success of our Reford 1 SAGD Project, Cardinal Energy is now expanding its thermal heavy oil operations in Saskatchewan with the ongoing execution of the…
Added 11 hours ago
FC
Soil & Groundwater Manager
FCC Construcción
Toronto, ON · Scarborough, ON
- $110,000 to $150,000 CAD / year
- Full-time
As part of the STC project, FCC is looking for a Soil & Groundwater Manager to join our team.
Added 12 hours ago
Project Engineer (Engineer 1-3) (Term) (Bible Hill)
The Government of Nova Scotia
Bible Hill, NS
…Division is growing, and we have an opportunity available for a Project Engineer to join our team. Become part of the team today who is responsible for managing all phases of bridge and…
Added 13 hours ago
C
Senior Electrical Engineer- Mission Critical Data Centers
Collabera
Toronto, ON
- $130,000 to $150,000 CAD / year
- Full-time
Title: Senior Electrical Engineer- Mission Critical Data Centers
Added 17 hours ago
EM
Mechanical Design Engineer
Evertz Microsystems Limited
Burlington, ON
- Full-time
Meet with suppliers to discuss project requirements
Added 18 hours ago
C
Research Engineer – CAD & Computational Geometry
CGS
Toronto, ON
- $250,000 to $300,000 USD / year
- Full-time
The company is looking for a Research Engineer with strong mathematical and computational geometry fundamentals to develop foundational CAD and geometry technology. Your first project will…

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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