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Added 23 mins ago
AE
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- Full-time
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Actalent

Senior Software Developer

Mississauga, ON, Canada

$55 to $70 CAD / hour · Contract

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Job details

Pay: $55 to $70 CAD / hour
Job type: Contract
Apply by: Nov 5, 2026
Experience: At least 5 years of experience with C# .NET development.
Posting language: English · French
Posted: Oct 6, 2026

Original job description

English section of this bilingual listing.

Senior Software Developer

Job Description

The Senior Software Developer designs, develops, maintains, and debugs high-quality Windows-based desktop applications and engineering tools. This role focuses on building robust C# .NET (Version 8) solutions for data acquisition, diagnostics, analytics, reporting, and industrial communications, while integrating with embedded devices, networking infrastructure, databases, cloud services, and broader product ecosystems. The developer collaborates closely with cross-functional engineering teams and leverages AI-assisted tools to improve productivity, software quality, and secure software development practices, directly contributing to a high-priority product launch.

Responsibilities

Design, develop, maintain, and debug software for Windows-based desktop applications and engineering tools.
Develop high-quality software solutions using C# .NET (Version 8) that meet functional, performance, and reliability requirements.
Create Windows-based applications, services, data processing components, communications software, and system management functions.
Develop desktop applications, configuration utilities, diagnostic tools, visualization tools, and user interfaces that provide a clear and intuitive user experience.
Implement and maintain industrial communications protocols such as I2C to support reliable device communication.
Develop software for data acquisition, event processing, diagnostics, analytics, reporting, communications, and product configuration.
Support integration across embedded devices, networking infrastructure, databases, cloud services, desktop applications, and wider product ecosystems.
Collaborate closely with Systems, Hardware, Firmware, Software, and Test Engineers to deliver fully integrated product solutions.
Develop and support automated testing and regression testing to ensure software stability and performance.
Contribute to continuous integration practices and software quality verification processes.
Support cybersecurity and secure communications initiatives, ensuring compliance with secure software development practices.
Utilize AI-assisted development tools for coding, code review, debugging, documentation, and test generation to enhance engineering productivity and software quality.
Actively participate in team meetings and coordination activities to support a high-priority product launch and ensure timely delivery.

Essential Skills

At least 5 years of experience with C# .NET development.
Strong experience developing Windows-based desktop applications.
Proficiency with C# .NET (Version 8) for building robust and maintainable software solutions.
Hands-on experience implementing and working with the I2C communication protocol.
Experience developing Windows applications, services, and data processing components.
Ability to design and implement configuration utilities, diagnostic tools, visualization tools, and user interfaces.
Experience with industrial communications and integration across embedded devices, networking infrastructure, databases, cloud services, and desktop applications.
Practical knowledge and experience using AI tools to assist in code development, code review, debugging, documentation, and test generation.
Familiarity with automated testing, regression testing, continuous integration, and software quality verification.
Understanding of cybersecurity, secure communications, and secure software development practices.

Additional Skills & Qualifications

Experience working closely with cross-functional engineering teams, including Systems, Hardware, Firmware, Software, and Test Engineers.
Experience in developing software for data acquisition, event processing, diagnostics, analytics, reporting, and product configuration.
Interest in leveraging AI-assisted tools to continuously improve development workflows and software quality.
Ability to contribute effectively in a fast-paced environment focused on delivering a high-priority product launch.

Job Type & Location

This is a Contract position based out of Mississauga, ON.

Pay And Benefits

The pay range for this position is $55.00 - $70.00/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Workplace Type

This is a hybrid position in Mississauga,ON.

À propos d'Actalent

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Use of Artificial Intelligence (AI):We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.

Read the full bilingual original

Design, develop, maintain, and debug software for Windows-based desktop applications and engineering tools.
Develop high-quality software solutions using C# .NET (Version 8) that meet functional, performance, and reliability requirements.
Create Windows-based applications, services, data processing components, communications software, and system management functions.
Develop desktop applications, configuration utilities, diagnostic tools, visualization tools, and user interfaces that provide a clear and intuitive user experience.
Implement and maintain industrial communications protocols such as I2C to support reliable device communication.
Develop software for data acquisition, event processing, diagnostics, analytics, reporting, communications, and product configuration.
Support integration across embedded devices, networking infrastructure, databases, cloud services, desktop applications, and wider product ecosystems.
Collaborate closely with Systems, Hardware, Firmware, Software, and Test Engineers to deliver fully integrated product solutions.
Develop and support automated testing and regression testing to ensure software stability and performance.
Contribute to continuous integration practices and software quality verification processes.
Support cybersecurity and secure communications initiatives, ensuring compliance with secure software development practices.
Utilize AI-assisted development tools for coding, code review, debugging, documentation, and test generation to enhance engineering productivity and software quality.
Actively participate in team meetings and coordination activities to support a high-priority product launch and ensure timely delivery.

Essential Skills

At least 5 years of experience with C# .NET development.
Strong experience developing Windows-based desktop applications.
Proficiency with C# .NET (Version 8) for building robust and maintainable software solutions.
Hands-on experience implementing and working with the I2C communication protocol.
Experience developing Windows applications, services, and data processing components.
Ability to design and implement configuration utilities, diagnostic tools, visualization tools, and user interfaces.
Experience with industrial communications and integration across embedded devices, networking infrastructure, databases, cloud services, and desktop applications.
Practical knowledge and experience using AI tools to assist in code development, code review, debugging, documentation, and test generation.
Familiarity with automated testing, regression testing, continuous integration, and software quality verification.
Understanding of cybersecurity, secure communications, and secure software development practices.

Additional Skills & Qualifications

Experience working closely with cross-functional engineering teams, including Systems, Hardware, Firmware, Software, and Test Engineers.
Experience in developing software for data acquisition, event processing, diagnostics, analytics, reporting, and product configuration.
Interest in leveraging AI-assisted tools to continuously improve development workflows and software quality.
Ability to contribute effectively in a fast-paced environment focused on delivering a high-priority product launch.

Work Environment

The role is based on-site in a cubicle-style office environment equipped with a computer and standard development tools. The position initially requires working on-site 5 days per week to support ramp-up and close collaboration, with occasional opportunities to work remotely as needed. After the ramp-up period, the schedule transitions to a hybrid model of 3 days in the office and 2 days from home. Core working hours are from 9:00 a.m. to 4:00 p.m. within a 7.5-hour workday, and there is a mandatory daily meeting at 10:30 a.m. The work environment emphasizes direct collaboration with the engineering team, hands-on involvement in a critical product launch, and the use of modern technologies including C# .NET 8, Windows desktop development, I2C communications, and AI-assisted development tools.

Job Type & Location

This is a Contract position based out of Mississauga, ON.

Pay And Benefits

The pay range for this position is $55.00 - $70.00/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Workplace Type

This is a hybrid position in Mississauga,ON.

À propos d'Actalent

Actalent est un leader mondial dans les services dingénierie et de sciences ainsi que dans les solutions de talents. Nous aidons des entreprises visionnaires à faire progresser leurs initiatives dingénierie et de science grâce à laccès à des experts spécialisés qui favorisent léchelle, linnovation et la rapidité de mise sur le marché. Avec un réseau de près de 20 000 consultants et 5 000 clients à travers les États-Unis, le Canada, lAsie et lEurope, Actalent dessert de nombreuses entreprises du Fortune 500. Nous sommes fiers dêtre lune des 500 meilleures firmes de conception de lEngineering News-Record (ENR) pour nos services de conception en ingénierie et un lauréat du prix ClearlyRated Best of Staffing® tant pour le service client que pour les talents.

Actalent est un employeur souscrivant au principe de légalité des chances et accepte toutes les candidatures sans tenir compte de la race, du sexe, de lâge, de la couleur, de la religion, des origines nationales, du statut dancien combattant, dun handicap, de lorientation sexuelle, de lidentité sexuelle, des renseignements génétiques ou de toute autre caractéristique protégée par la loi.

Si vous souhaitez faire une demande daccommodement raisonnable, tel que la modification ou lajustement du processus de demande demploi ou dentrevue à cause dun handicap, veuillez envoyer un courriel à actalentaccommodation@actalentservices.com pour connaître dautres options daccommodement.

Ordonnance sur légalité des chances de San Francisco: Conformément à lOrdonnance sur légalité des chances de San Francisco, pour tous les postes situés dans la ville et le comté de San Francisco, nous examinerons les candidatures des personnes qualifiées ayant un casier judiciaire ou des antécédents criminels.

Utilisation de lintelligence artificielle (IA): Nous pouvons utiliser lintelligence artificielle (IA) pour soutenir certaines étapes de notre processus dembauche, notamment la recherche, la présélection et lévaluation des candidatures. LIA aide à analyser les candidatures et les qualifications, mais les décisions finales sont prises par notre équipe de recrutement. En soumettant votre candidature, vous reconnaissez et acceptez que celle-ci puisse être examinée à laide doutils dIA.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Use of Artificial Intelligence (AI):We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.

Apply About employer

More about this job

Responsibilities

Design, develop, maintain, and debug Windows desktop applications and engineering tools using C# .NET 8, supporting data acquisition, diagnostics, analytics, reporting, and industrial communications. Integrate software with embedded devices, networks, databases, and cloud services while collaborating across engineering teams and supporting testing, secure development, and a high-priority product launch.

Requirements

Requires at least 5 years of C# .NET development experience, strong Windows desktop application development skills, and hands-on experience with the I2C protocol. Candidates should also have experience with testing and continuous integration, secure software practices, AI-assisted development tools, and integration across engineering systems.

Skills

C#
.NET 8
I2C Communications
Industrial Communications
Data Acquisition
Automated Testing
Regression Testing
Continuous Integration
Cybersecurity
Secure Software Development
AI-Assisted Development
Embedded Device Integration
Database Integration
Cloud Services Integration
Cross-Functional Collaboration

Visa sponsorship

Not detected in the job text

Keywords

C#
.NET 8
Windows Desktop Applications
Engineering Tools
I2C
Industrial Communications
Data Acquisition
Event Processing
Diagnostics
Analytics
Reporting
Product Configuration
Embedded Devices
Networking Infrastructure
Databases
Cloud Services
Automated Testing
Regression Testing
Continuous Integration
Software Quality Verification
Cybersecurity
Secure Communications
Secure Software Development
AI-Assisted Development
Code Review
Debugging
Test Generation
Configuration Utilities
Visualization Tools
User Interfaces

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