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Added 18 hours ago
QW
Delivery Lead
Quantum World Technologies Inc.
Toronto, ON
- Contract
This role requires strong leadership in Agile methodologies, effective team management, and the ability to align stakeholders across technical and business domains.
Added 18 hours ago
MD
z/OS Systems Programmer - ITS3 or ITS4
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
- Full-time
…user groups to ensure system availability and performance for business-critical…
Added 18 hours ago
B-
Coordonateur/trice fret maritime / Ocean Freight Coordinator
BLV - Value Chain Partners
Pointe-Claire, QC
- Full-time
BLV has been in the Logistics executive search business for over 40 years. We come from the industry and know the business better than anyone else. We combine deep value chain expertise…
Added 18 hours ago
TB
Office Administrator
Trenval Business Development Corporation
Belleville, ON
- Full-time
…across all of Trenval’s integrated Community Futures and Small Business Centre…
Added 18 hours ago
I
Events Manager
Indigo
Toronto, ON
- $85,000 to $95,000 CAD / year
- Full-time
Post-secondary degree in Business, Marketing, Communications, or a related discipline; equivalent experience considered.
Added 18 hours ago
H
Senior People Partner
Haystack
Canada
- Full-time
Act as a strategic partner to leadership, supporting organizational design, hiring plans, and succession strategies that align with business goals.
Added 18 hours ago
AS
HR Manager
AgileGrid Solutions
Canada
- Full-time
…distributed workforce. A degree or diploma in human resources, business administration, or a related discipline is preferred, along with relevant professional HR credentials where…
Added 18 hours ago
ES
Software Engineer (Java, Python & Linux)
Enterprise Solutions Inc.
Toronto, ON
- Contract
Analyze business requirements, identify use cases, and document technical specifications.
Added 18 hours ago
MD
Accounts Receivable Lead / Accounting Officer Intermediate
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
- Full-time
…GAAP and to maximize system capabilities and improve internal business processes. This position will also prepare assigned Accounts Receivable quarterly and annual reports in accordance…
Added 18 hours ago
TR
Social Media Manager
Thomson Reuters
Toronto, ON
- $38 to $40 CAD / hour
- Contract
Develop LinkedIn newsletters and manage the editorial content calendar for enterprise channels, ensuring alignment with business priorities, campaigns and product launches.
Added 18 hours ago
MD
Senior Power Platform Developer - Information Technology Spec 3
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
- Full-time
Working Title: Senior Power Platform Developer
Added 18 hours ago
H
VP of Marketing
Haystack
Canada
- Full-time
Direct product marketing, brand and content, and demand generation around shared business outcomes
Added 18 hours ago
PE
WebMethods Administrator
Pragma Edge Inc
Canada
- Full-time
…Integration, B2B/EDI, IBM Maximo (EAM), Cloud, and AI-driven business solutions. We help organizations modernize operations, optimize asset management, and accelerate business growth…
Added 18 hours ago
OG
Lead Advisor, Pricing Actuarial Analytics
Optimum General Insurance
Montreal, QC
- Full-time
Analyze and solve complex business problems requiring a comprehensive understanding of actuarial, operational, and market considerations.
Added 18 hours ago
SP
Accounting Co-op - Fall 2026
Stubbe's Precast
Harley, ON
- Full-time
…analytical skills, and the ability to thrive in a family-owned business…
Added 18 hours ago
DG
Software Engineering Architect
Dexterra Group
Mississauga, ON
- Full-time
…opportunity different. Technology supports a diverse and evolving business, with development happening across teams, functions and initiatives. As Software Engineering Architect, you’ll…
Added 18 hours ago
LT
Application Security Engineer
Lorven Technologies Inc.
Canada
- Contract
Added 18 hours ago
RE
Platform Integration and Monitoring Consultant
Randstad Enterprise
Montreal, QC
- Full-time
…developing and maintaining software solutions that support business…
Added 18 hours ago
FR
Compliance Analyst
Fiat Republic
Toronto, ON
- Full-time
…manage FX and liquidity operations. We are a highly regulated business, with electronic money and money service business licenses in the UK, EU, US and Canada. We are also an issuer of…
Added 18 hours ago
G
Director / Partner, Private Client Tax
Gravita
London, ON · Bristol-London, ON
- Full-time
…growth of a high-quality advisory offering for entrepreneurs, business owners, high-net-worth individuals and…
Added 18 hours ago
HO
Data Cloud Engineer
Hydro One
Toronto, ON
- $80 to $90 CAD / hour
- Contract
Cloud governance, FinOps, business continuity, and disaster recovery
Added 18 hours ago
OG
Technical manager, Pricing Actuarial Analytics
Optimum General Insurance
Montreal, QC
- Full-time
Providing strategic and forward-thinking recommendations based on both a broad business perspective and deep market knowledge.
Added 18 hours ago
O
Business Analyst- Technology Risk and Control
OPTrust
Toronto, ON
- Full-time
Business Analyst - Technology Risk and Control
Added 18 hours ago
E
Creative Director
Entro
Vancouver, BC
- Full-time
Team & Client Development Participate in business development efforts, including proposals, networking events, and client outreach.
Added 18 hours ago
RI
Senior Data Engineer
Rivago Infotech Inc
Toronto, ON
- Contract
…position calls for someone that is comfortable working with business users along with business analyst…

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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