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Added 5 hours ago
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AI-Augmented Automation Engineer (Java & Selenium/Playwright)
Citi
Mississauga, ON
- Full-time
We are seeking an experienced Automation Engineer to drive end-to-end automation and spearhead AI-augmented testing practices within our Front Office Trading platform. In this role, you…
Added 5 hours ago
AM
IP-Post Silicon Validation Engineer
Advanced Micro Devices, Inc
Vancouver, BC
- Full-time
The AMD NBIO Team is on the lookout for a seasoned IP Validation Design Engineer to join our growing team. As a key contributor to the success of AMD’s IP, you will be part of a leading…
Added 5 hours ago
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Performance Test Engineer Intern (January 2027 - 12 months)
SOTI
Mississauga, ON
- Full-time
Job Title: Performance Test Engineer (Intern)
Added 5 hours ago
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Performance Test Engineer Intern (May 2027 12 Months)
SOTI
Mississauga, ON
- Full-time
Job Title: Performance Test Engineer (Intern)
Added 6 hours ago
ASIC Design Verification Engineer, Sr. Staff-18856
Synopsys
Ottawa, ON
You are a skilled and driven ASIC Digital Verification Engineer with a passion for advancing technology and solving complex problems. With a strong foundation in digital design and…
Added 6 hours ago
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Platform Engineer Intern (8 month term)
Nelnet
Mississauga, ON · CAN - MISSISSAUGA
- Full-time
Review project requirements and test cases to understand testing scope and identify automation opportunities.
Added 6 hours ago
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Quality Engineer I (Core-Java & Mainframe)
TD
Toronto, ON
- Full-time
Hands-on experience with Selenium for Host automation
Added 6 hours ago
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Software Engineer
Cisco
Ottawa, ON
- $130,400 to $181,400 CAD / year
- Full-time
…opportunity to directly influence the future of data center automation and platform…
Added 6 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 6 hours ago
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Software Engineer
Applicantz
Toronto, ON
- $50 to $55 CAD / hour
- Contract
Familiarity with test automation tools & strategies.
Added 6 hours 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 6 hours ago
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Robot Operator
AMI
Montreal, QC
- Full-time
Arrange objects and scenes in exact, specified configurations so that test runs are comparable.
Added 6 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 6 hours ago
AM
IP-Post Silicon Validation Engineer
Advanced Micro Devices, Inc
Markham, ON
- Full-time
The AMD NBIO Team is on the lookout for a seasoned IP Validation Design Engineer to join our growing team. As a key contributor to the success of AMD’s IP, you will be part of a leading…
Added 7 hours ago
A
IP-Post Silicon Validation Engineer
AMD
Markham, ON
- $155,200 to $232,800 CAD / year
- Full-time
The AMD NBIO Team is on the lookout for a seasoned IP Validation Design Engineer to join our growing team. As a key contributor to the success of AMD’s IP, you will be part of a leading…
Added 7 hours ago
ET
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 7 hours ago
C
Software Engineer
Cisco
Ottawa, ON
- $116,700 to $165,800 CAD / year
- Full-time
…opportunity to directly influence the future of data center automation and platform…
Added 8 hours ago
ES
Software Engineer (Java, Python & Linux)
Enterprise Solutions Inc.
Toronto, ON
- Contract
Familiarity with application QA responsibilities and test automation.
Added 8 hours ago
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Data Cloud Engineer
Hydro One
Toronto, ON
- $80 to $90 CAD / hour
- Contract
Own the strategy and lifecycle for Snowflake development, test, quality assurance, production, and disaster recovery environments, ensuring consistent configuration, promotion, resilience,…
Added 8 hours ago
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Senior Systems Administrator
GlassHouse Systems
Toronto, ON
- Full-time
Implement, test, and maintain backup, disaster recovery, and business continuity solutions to meet recovery objectives and compliance requirements.
Added 8 hours 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 8 hours ago
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Software Design/Engineer - New Grad
Ciena
Ottawa, ON
- Full-time
Design and develop unit tests and test-automation suites.
Added 8 hours ago
MT
Staff Validation Engineer - Optical Interconnect
Marvell Technology
Ottawa, ON · CA-ON - Ottawa
- Full-time
Design and develop electrical and optical test platforms and benches for VCSEL-based optical interconnect: define the bench architecture, select and qualify instruments, and build in…
Added 8 hours ago
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PEY - Junior Fullstack Engineer
BiblioCommons
ON · Canada - Ontario
- Full-time
We’re a highly collaborative team that applies innovative solutions to challenging problems. We believe strongly in automation and invest heavily in it. We’re also committed to doing things…
Added 8 hours ago
B
PEY - Junior Fullstack Engineer
BiblioCommons
ON · Canada - Ontario
- Full-time
We’re a highly collaborative team that applies innovative solutions to challenging problems. We believe strongly in automation and invest heavily in it. We’re also committed to doing things…

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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