Posted 2 months ago
Senior C#/.NET Developer
@ Insight Global
Toronto, Ontario
Overview
Insight Global is hiring a Senior C#/.NET Developer on contract to support a large-scale application modernization initiative in a Capital Markets technology environment. The role redesigns and enhances a legacy backend platform, focusing on automation, scalability and long-term transformation. Candidates need at least 5 years of C# and .NET experience.
Pay:
From $71 an hour
Responsibilities:
- Design, develop and maintain backend applications in C# and .NET
- Analyze and modernize legacy systems
- Build automation and improve STP workflows
- Develop and consume RESTful APIs and microservices
- Create unit tests following SOLID principles
Requirements summary:
- Minimum 5 years developing applications with C# and .NET
- Strong knowledge of SQL Server and database design
- Experience with RESTful APIs and microservices architectures
- Experience gathering requirements with business stakeholders
- Bachelor's degree or diploma in Computer Science, Software Engineering or related field
Tools & skills
Source and dates
Source type not verified · insightglobal
- Employer posting date
- 2026-09-15
- First seen by our source
- 2026-10-29
- Source record updated
- 2026-10-29
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Job details
| Seniority | Senior |
| Department | Software development |
| Experience | 5+ years |
| Work setting | Office |
| Position | Mostly sitting |
| Physical demands | physical low · computer high |
| Languages | English |
| Education | Bachelor’s degree (required) |
| Fields of study | Computer Science, Software Engineering |
Summary and details written by AI from the posting; the employer’s posting is the authority.
Insight Global
Saved company profile
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Insight Global is a talent, consulting, and AI company.
Full company description
Insight Global is an international talent and consulting company that delivers business outcomes in an ever-changing world. We obsess over solving problems and building solutions that move our customers further, faster. With access to top talent in more than 50 countries, our tech-enabled recruiters can build teams quickly. Our technical experts across Cloud, AI, Data, Enterprise Operations, and Applied Engineering deliver solutions tailored to each customer’s needs. As those needs evolve, so do we. As we evolve, though, we stay true to our purpose: to develop people personally, professionally, and financially so they can be the light to the world around them. It shows up in everything we do, from investing in our people to delivering results for our customers to making a meaningful impact in our communities.
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- Other recorded names
- Insight Global
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- and International Staffing
- Profile identifies a recruitment agency
- Yes
- Reported total investment
- 0
Currency and observation date were not supplied; this is not a current valuation or a funding round.
Insight Global is an international talent and consulting company that delivers business outcomes in an ever-changing world. We obsess over solving problems and building solutions that move our customers further, faster. With access to top talent in more than 50 countries, our tech-enabled recruiters can build teams quickly. Our technical experts across Cloud, AI, Data, Enterprise Operations, and Applied Engineering…
| Field | Value |
|---|---|
| Industry | Business Consulting and Services |
| Company size | 1,001-5,000 employees |
| Headquarters | Atlanta, Georgia |
| Organization type | Privately Held |
| Year founded | 2001 |
| Specialties | ConsultingTalent ServicesStaffingand International Staffing |
| Open jobs on Jobsy | 278 |
| View page |
• Minimum 5 years of experience developing applications with C# and .NET.
• Experience with .NET Core and backend application development.
• Strong knowledge of SQL Server and database design concepts.
• Experience designing and developing RESTful APIs and microservices architectures.
• Strong understanding of unit testing methodologies and SOLID design principles.
• Ability to analyze and modernize complex legacy systems.
• Excellent verbal and written communication skills with experience collaborating across multiple teams.
• Experience gathering requirements and working directly with business stakeholders.
• Proven ability to work on enterprise-scale application development projects.
• Bachelor's degree or diploma in Computer Science, Software Engineering, or a related technical field.
Nice to Have Skills & Experience
• Experience within banking, financial services, or capital markets environments.
• Exposure to Agile development methodologies.
• Experience with Azure development or cloud-based architectures.
• Knowledge of MongoDB or WPF.
• Experience supporting application modernization, automation, or AI-focused initiatives.
Job Description
Insight Global is looking for a Senior C#/.NET Developer to support a large-scale application modernization initiative within a Capital Markets technology environment. This individual will play a key role in redesigning and enhancing a legacy backend platform, helping drive automation, scalability, and long-term platform transformation while collaborating closely with business and technology stakeholders.
The successful candidate will work on complex backend systems leveraging C#/.NET technologies, participate in technical design and development activities, and contribute to strategic modernization efforts. This role requires strong technical expertise, excellent communication skills, and the ability to collaborate with multiple teams to gather requirements and deliver innovative solutions.
RESPONSIBILITIES / TASKS
• Design, develop, enhance, and maintain backend applications using C# and .NET technologies.
• Analyze existing legacy systems and contribute to redesign and modernization initiatives.
• Build automation capabilities and improve straight-through processing (STP) workflows.
• Collaborate with business analysts and business stakeholders to translate requirements into technical solutions.
• Participate in application architecture, system integration, and technical design discussions.
• Perform code reviews and contribute to development best practices and coding standards.
• Develop and consume RESTful APIs and microservices-based solutions.
• Create and execute unit tests while adhering to SOLID design principles.
• Support application delivery throughout the full software development lifecycle.
• Work cross-functionally with development, support, and business teams to ensure successful project execution.
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