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Added 16 hours ago
ES
Software Engineer (Java, Python & Linux)
Enterprise Solutions Inc.
Toronto, ON
- Contract
Ability to independently troubleshoot application issues and support production environments.
Added 16 hours ago
L
Python Software Engineer (Client Facing Consultant)
Luxoft
Toronto, ON
- $120,000 to $150,000 CAD / year
- Full-time
We are seeking a hands-on contractor to support delivery within the Total Fund Management Portfolio Management Technology team. This role is suited for an experienced, self-directed…
Added 16 hours ago
MD
Accounts Receivable Lead / Accounting Officer Intermediate
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
- Full-time
…inclusion, and invests in employees by providing benefits, support resources, and training and development…
Added 16 hours ago
MD
Legal Operations Director - State Prog Admin Manager Sr
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
- Full-time
…inclusion, and invests in employees by providing benefits, support resources, and training and development…
Added 16 hours ago
MD
Senior Power Platform Developer - Information Technology Spec 3
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
- Full-time
Position requires a minimum of three (3) years of IT related experience in application design, development, implementation, support and maintenance.
Added 16 hours ago
PE
WebMethods Administrator
Pragma Edge Inc
Canada
- Full-time
Administer, configure, maintain, and support enterprise WebMethods environments.
Added 16 hours ago
TC
Administrative Assistant
The CSL Group Inc.
Montreal, QC
- Full-time
Provide administrative support to managers within the department, including scheduling meetings and appointments, making travel arrangements, preparing expense reports, document creation…
Added 16 hours ago
DG
Software Engineering Architect
Dexterra Group
Mississauga, ON
- Full-time
Dexterra Group (TSX: DXT) is a leading provider of support services and infrastructure support solutions across Canada and the United States. Through our diverse businesses, we deliver…
Added 16 hours ago
SC
Auditor
SPECTRAFORCE Canada
Toronto, ON
- Contract
Provide independent second-line review and effective challenge of Control Testing activities and outcomes across Bank’s Securities businesses and support functions.
Added 16 hours ago
GT
Auditor - Operational Risk
Global Technical Talent, an Inc. 5000 Company
Toronto, ON
- $51 to $61 CAD / hour
- Contract
Provide independent second-line review and effective challenge of Control Testing activities and outcomes across TD Securities businesses and support functions.
Added 16 hours ago
TI
Auditor
TekStaff IT Solutions
Toronto, ON
- Contract
Provide independent second-line review and effective challenge of Control Testing activities and outcomes across client Securities businesses and support functions.
Added 16 hours ago
E
Mechanical Design Engineer
Evertz
Burlington, ON
- Full-time
Support of product definition, concept generation, creating part drawings, investigating new packaging technologies, cost estimating, interfacing with suppliers, qualifying parts and…
Added 16 hours ago
BT
Manager (CFO)
Baker Tilly Canada
Calgary, AB
- Full-time
Talent Onboarding & Training Support recruitment, onboarding, and continuous training to build a high-performing team aligned with organizational goals.
Added 16 hours ago
RE
Platform Integration and Monitoring Consultant
Randstad Enterprise
Montreal, QC
- Full-time
Understanding of Linux-based infrastructure, application lifecycle management, scheduling frameworks, and production support processes.
Added 16 hours ago
Y
Ruby & Golang Backend Developer
Yochana
Brampton, ON
- Contract
Support major live sporting events and participate in special-event production watch and support as required.
Added 16 hours ago
Y
Backend Developer – Ruby & Golang
Yochana
Brampton, ON
- Full-time
Support major live sporting events and participate in special-event production watch and support as required.
Added 16 hours ago
CI
Ruby & Golang_Backend Developer
COGNITO INC
Toronto, ON
- Contract
Support major live sporting events and participate in special-event production watch and support as required.
Added 16 hours ago
O
Business Analyst- Technology Risk and Control
OPTrust
Toronto, ON
- Full-time
…projects more routine in nature and provide business and technical application…
Added 16 hours ago
H
Legal Counsel
Hydrostor
Toronto, ON
- Full-time
…activities, partnering closely with cross-functional teams to support the development, financing, construction, and operation of Hydrostor's long-duration energy storage projects around the…
Added 16 hours ago
A
Intern Developer/ Stagiaire développeur
Acumatica
Montreal, QC
- Internship
Support for existing code, code optimization and refactoring.
Added 16 hours ago
S
Intermediate Application Architect
StafinGo
AB · Edmonton, AB
- $50 to $70 CAD / hour
- Contract
Deliver applications programming and analysis tasks as part of a system development process as well as provide application support, maintenance and enhancements. A System Analyst applies a…
Added 16 hours ago
JI
TI / IT - Architecte principal des applications et développeur principal / Senior Applications Architect & Lead Developer
JAM Industries
Baie-D'Urfé, QC
- Full-time
Added 16 hours ago
D
AWS AI Solution Architect
DEDICATTED
Canada
- Full-time
Define architecture for scalable and secure AI workloads across application, data, model, and infrastructure layers.
Added 16 hours ago
A(
Machine Learning Project Manager
Amii (Alberta Machine Intelligence Institute)
AB · Edmonton, AB
- Full-time
Stay abreast of the latest trends and advancements in machine learning and identify opportunities for their application within client organization
Added 16 hours ago
A(
Machine Learning Resident - Client: ModeDi (12 month term)
Amii (Alberta Machine Intelligence Institute)
AB · Edmonton, AB
- Full-time
…firm's internal company data and publicly available data to support more informed property analysis for appraisers. The tool provides the background information of each conclusion to the…

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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