Senior .Net Developer

Posted 3 Days Ago
Be an Early Applicant
Mississauga, ON, CAN
Hybrid
90K-105K Annually
Senior level
Digital Media • Marketing Tech
The Role
Develop and maintain warehouse management software using C#, ASP.NET, .NET Core, Web APIs, and SQL Server. Modernize legacy applications, build backend services, support mobile and Windows applications, and contribute to architecture, performance, CI/CD, code quality, and security improvements. Collaborate with product, operations, and engineering teams, troubleshoot complex issues, conduct code reviews, and support Agile development and process improvement initiatives.
Summary Generated by Built In
Company Description

We’re on it!
Arvato offers you one of the most dynamic work environments you can imagine. We are growing, innovating and we solve the challenges of our clients around the world every day. How do we do it? With our global team of 17,000 colleagues at 87 locations in over 17 countries and our special spirit: We're on it! As a strategic growth partner for our clients, we use cloud-based e-commerce and IT platforms as well as state-of-the-art automation technology to realize complex, global supply chain solutions.

Job Description

The Senior .NET Developer role supports the modernization, development, and maintenance of the warehouse management software platform, including migration of legacy .NET Framework applications to modern .NET, development of backend services and APIs, support of mobile and Windows-based applications, and work with Microsoft SQL Server. The role also contributes to improvements in architecture, performance, CI/CD, code quality, and development practices in collaboration with product, operations, and engineering teams.

  • Design, develop, test, and maintain web‑based and backend applications using .NET technologies (C#, ASP.NET, .NET Core).
  • Collaborate with product owners, business analysts, and cross‑functional teams to understand requirements and deliver effective technical solutions.
  • Lead and contribute to application architecture, design patterns, and coding standards.
  • Perform code reviews to ensure quality, performance, security, and maintainability.
  • Troubleshoot, debug, and resolve complex technical issues across development, test, and production environments.
  • Participate in project planning, contribute to process improvements, and support company growth initiatives.
  • Interact with other departments, internal and external, to resolve conflicts effectively.
  • Take initiative and ownership to support internal and external projects.
  • Perform other duties as assigned by management.
  • Abide by all company safety and hygiene regulations
  • Continuous involvement and support with departmental process improvements
  • Any additional tasks that may be assigned to ensure an efficient, safe, clean, and goal-oriented work environment

Qualifications

  • Strong proficiency in C#, ASP.NET, .NET Core, and Web APIs.
  • Experience with relational databases such as SQL Server and writing optimized queries and stored procedures.
  • Solid understanding of object‑oriented programming, design patterns, and SOLID principles.
  • Experience with version control systems (e.g., Git) and CI/CD pipelines.
  • Strong problem‑solving skills and the ability to work independently in a fast‑paced environment.
  • Strong analytical, problem-solving, and troubleshooting skills.
  • Ability to communicate effectively with both technical and non-technical stakeholders.
  • Adaptability and willingness to learn new technologies as needed.
  • Ability to work collaboratively in a team environment and independently as required.
  • Performing variety of duties as required.
  • The ideal candidate will have a Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
  • 5+ years of professional experience in .NET development.
  • Experience with front‑end technologies such as JavaScript, Angular, React, or Blazor.
  • Familiarity with cloud platforms (Azure preferred) and cloud‑native application development.
  • Experience with microservices architecture and containerization (Docker, Kubernetes).
  • Knowledge of secure coding practices and application security standards.
  • Prior experience in an Agile/Scrum development environment.
  • Strong communication skills with the ability to explain technical concepts to non‑technical stakeholders.
  • Professional certifications (such as Microsoft Certified: Azure Developer Associate, AWS Certified Developer, or similar) are a plus.
  • Knowledge of SAP pertaining to operations.

Additional Information

  • Company paid Medical, Dental, Vision, Life Insurance, and Accidental Death & Dismemberment Benefits.
  • Non-taxable Long-Term Disability benefits.
  • Paid Time Off, including paid holidays.
  • Employee Assistance Program.
  • Ongoing employee development training.
  • Employee engagement activities.

Disclosure requirements pertaining to the collection of your personal data:

Responsible for processing the information provided in your application is the company specified in the job advertisement, with its registered office as indicated. The company processes your data for the purpose of establishing an employment relationship on the basis of Art. 6 (1) b GDPR / Section 26 (1) sentence 1 BDSG.

The retention period for your data is determined by the statutory time limits applicable in the respective country, beginning upon completion of the recruitment process. You can find these here.

You can contact the company’s Data Protection Officer at the above-mentioned postal address. 

Further information on data protection and your rights can be found here.

We strive to be an equitable, inclusive, and accessible workplace for our employees and value their diverse perspectives, which contribute to the diversity of our company. Therefore, we welcome applications from people who enrich our company with their identity, background and personal experience. We are committed to providing a barrier-free recruitment process in accordance with applicable human rights and accessibility legislation. We want to keep the application process as simple as possible for you: focus on a meaningful resume; we do not require an elaborate cover letter. Please know that we can only accept your application through our online application portal.

Learn more about our commitment to Equal Opportunity and Accommodation Information here.

Recruiting-Platform powered by SmartRecruiters.

Skills Required

  • Strong proficiency in C#, ASP.NET, .NET Core, and Web APIs
  • Experience with relational databases, including SQL Server, optimized queries, and stored procedures
  • Understanding of object-oriented programming, design patterns, and SOLID principles
  • Experience with version control systems such as Git and CI/CD pipelines
  • Strong problem-solving, analytical, troubleshooting, and communication skills
  • Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent practical experience
  • 5+ years of professional .NET development experience
  • Experience with front-end technologies such as JavaScript, Angular, React, or Blazor
  • Familiarity with cloud platforms, preferably Azure, and cloud-native application development
  • Experience with microservices architecture and containerization using Docker or Kubernetes
  • Knowledge of secure coding practices and application security standards
  • Prior experience in an Agile/Scrum development environment
  • Professional certification such as Microsoft Certified Azure Developer Associate or AWS Certified Developer
  • Knowledge of SAP pertaining to operations
Am I A Good Fit?
beta
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
HQ: Gütersloh
16,426 Employees

What We Do

Bertelsmann is a media, services and education company that operates in about 50 countries around the world. It includes the entertainment group RTL Group, the trade book publisher Penguin Random House, the music company BMG, the service provider Arvato Group, Bertelsmann Marketing Services, the Bertelsmann Education Group and Bertelsmann Investments, an international network of funds. The company has 165,000 employees worldwide and generated revenues of €20.2 billion in the 2022 financial year. Bertelsmann stands for creativity and entrepreneurship. This combination promotes first-class media content and innovative service solutions that inspire customers around the world. Bertelsmann aspires to achieve climate neutrality by 2030.

Similar Jobs

In-Office
Brampton, ON, CAN
615 Employees

Alithya Group Inc. Logo Alithya Group Inc.

Senior Engineer

Artificial Intelligence • Information Technology • Professional Services • Consulting
Hybrid
Toronto, ON, CAN
3900 Employees
90K-130K Annually

ASL Consulting Logo ASL Consulting

Web Engineer

HR Tech • Professional Services • Software • Consulting
In-Office or Remote
Toronto, ON, CAN
125 Employees

Prophix Software Inc Logo Prophix Software Inc

Senior Software Engineer

Fintech • Professional Services • Social Impact • Business Intelligence • Financial Services • Generative AI • Automation
Hybrid
Etobicoke, ON, CAN
620 Employees
125K-165K Annually

Similar Companies Hiring

MFour Data Research Thumbnail
Marketing Tech • Software
Irvine, CA
98 Employees
Golden Pet Brands Thumbnail
Digital Media • eCommerce • Information Technology • Marketing Tech • Pet • Retail • Social Media
El Segundo, California
178 Employees
Blee Thumbnail
Artificial Intelligence • Marketing Tech • Software
New York, New York
30 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account