Lead Developer (C#)

Apex Systems; Toronto; Hybrid; CAD 100,000 - 140,000; Full time

Job summary

A leading IT services company is seeking a Lead Developer (C#) for a 6-month contract to work on enterprise applications for a major financial institution. The ideal candidate will have over 10 years of experience, primarily in C#, Azure, and data integration. This position offers a hybrid work schedule, outstanding career growth opportunities, and a chance to work in a fast-paced, regulated environment.

Benefits

Medical insurance

Employee Assistance Program (EAP)

Employee Stock Purchase Program

401K plan with company match

Training and development opportunities

Qualifications

• 10+ years of hands-on development experience.
• Experience with C#, Azure Functions, Azure SQL, and Entity Framework.
• Strong understanding of data ingestion and transformation using Azure Data Factory.

Responsibilities

• Design, develop, and maintain applications using C#, Azure Functions, and Entity Framework.
• Load and transform datasets using Azure Data Factory.
• Build and manage CI/CD pipelines using Azure DevOps.

Skills

C#

Azure

Data integration

Angular 11+

Database schema design

Document generation (Aspose PDF, Aspose Cells)

Tools

Entity Framework

Azure Data Factory

Azure DevOps

GitHub Enterprise

Job description

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Job#: 2076190

Job Description:

Lead Developer C#

Client: Big 5 Bank

Location: Downtown Toronto. Hybrid: Thursdays in office and every 4 th Friday

Duration of Contract/Perm: 6 months contract with multiple extensions available

Hours/week: 37.5 hrs/wk. 9-5 PM, M-F

Start date: June 2025

Job Overview

We are looking for a Senior Developer with over 10 years of experience in C#, Azure, and data integration to design, develop, and implement enterprise applications. This role requires deep technical expertise in Azure PaaS services, data ingestion, and front-end development, along with the ability to work independently and lead small teams. The ideal candidate will thrive in a fast-paced, highly regulated environment.

Key Responsibilities

• Design, develop, and maintain applications using C#, Azure Functions, and Entity Framework.
• Load and transform datasets from various sources using C# and Azure Data Factory (ADF).
• Design and implement secure, well-structured database schemas in Azure SQL.
• Build and manage CI/CD pipelines using Azure DevOps or GitHub Enterprise.
• Develop front-end components using Angular 11+.
• Generate documents using Aspose PDF and Aspose Cells libraries.
• Deploy and manage Azure PaaS resources including Azure SQL and App Services.
  
  

Required Qualifications

• 10+ years of hands-on development experience with:
• C#, Entity Framework, Azure Functions, Azure SQL.
• Azure PaaS services and deployment practices.
• Angular 11+ and modern front-end development.
• Aspose PDF and Aspose Cells for document generation.
• Experience with data ingestion and transformation using Azure Data Factory (ADF).
• Strong understanding of database schema design and security permissions.
• Proven ability to work independently and lead small technical teams.
  
  

Preferred Qualifications

• Experience working in secure, locked-down Windows environments.
• Background in the Financial Services industry is a strong asset.
  
  

Soft Skills

• Excellent communication and interpersonal skills.
• Strong leadership and problem-solving abilities.
• Self-motivated and capable of working with minimal supervision.
  
  

This a great opportunity to join a Big Five Bank and continue your career in the financial domain. Be a part of a great work environment with a very well-organized team and colleagues who will help you succeed.

This is a position that impacts the bank enterprise wide with great opportunity for career growth within the bank.

If you are not a 99% match to the above and want to be considered for other opportunities at our enterprise clients, register for our Talent Network where you can receive job alerts about new opportunities that match your interests.

EEO Employer

Apex is an Equal Employment Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [email protected] or 844-463-6178.

63-6178.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.

Apex Systems is part of the Commercial Segment of ASGN Incorporated.

NYSE: ASGN

4400 Cox Road

Suite 200

Glen Allen, Virginia 23060

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [email protected] (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Apex Systems.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Contract

Job function

• Job function

  Engineering and Information Technology

• Industries

  IT Services and IT Consulting

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