Senior Software Developer
full-time•London
About this role
LBMX is growing again . . .
We are seeking an Senior Software Developer.
LBMX is a dynamic and growing software solutions company with an international perspective, located in London, Ontario. As we continue our growth trajectory, we are seeking talented, compassionate, and driven individuals to join our team as Senior Software Developer in our Development department.
We have done well, and we have an even more exciting future. That means we want our newest employees to be a great fit with who we are and where we want to go. We want to offer careers to good people, who strive for a work-life balance, care about doing a good job, and enjoy being part of a team where you and your hard work are valued. Come and help us make LBMX a better company and an even better place to work!
Position Description:
In this role, you will design, develop, test, deploy, and maintain existing and new applications. You will support data architecture initiatives, ETL processes, and database optimization to deliver high-performing analytical and BI solutions. This role also includes participating in planning and estimation activities, ensuring application usability and performance, and mentoring junior developers as well as co-op students.
This is an on-site position at our London, Ontario, office. Must be able to legally work in Canada.
Positions to fill: 1
Responsibilities:
- Design, create, and maintain customer-facing web applications and 3rd party applications.
- Test of web UI, with knowledge of UX principles
- Debug and fix issues with existing web applications.
- Debug and fix issues with 3rd party applications, systems, and software.
- Participate in planning, feature estimation, and scoping of products.
- Participate in data modeling and data architecture initiatives
- Write and optimize complex SQL queries, including performance tuning, indexing, and normalization to ensure efficient data retrieval.
- Build, test, deploy, and maintain desktop applications, components, features, and mapping software
- Build, test, and deploy ETL/stored procedures to support web and 3rd party applications.
- Continually improve the navigation, usability, and performance of analytical applications.
- Participate in building and maintaining existing data warehouses and data marts to ensure interoperability with BI solutions.
- Deploy new releases/changes to test, QA, staging, and production environments.
- Other duties as assigned.
Skill Requirements:
- Experience with Angular, C#, ASP.NET CORE, Entity Framework, Integration test, Web API, JS, Typescript, HTML, and CSS.
- Strong experience with SQL Server (SSMS, SSRS, and SSIS)
- Strong expertise in database optimization, including performance tuning, indexing, and normalization for efficient data retrieval.
- Experience with pre-processors and front-end tooling workflows
- Experience with GIT, or similar source control software.
- Knowledge and/or experience with Python is an asset
- Knowledge of unit testing and best practices.
- Experience with database systems, data modeling, data warehouses, and ETL processes.
- Experience with continuous integration.
- Strives for continuous improvement.
- Excellent written and verbal communication skills.
- Post-secondary education in a field related to computer science, computer programming, software development, or web development.
- 7+ years in front-end and back-end development
- 1-2 years of ETL management.
- Coaching junior developers is an asset.
- Solid organizational skills, including attention to detail and multi-tasking skills.
The Perks of Working with us!
- Competitive salary and benefits, including a health spending account and employee assistance program
- Three weeks' vacation to start with additional paid “LBMX holidays” throughout the year
- Company-matched GRSP contributions
- Education subsidies for job-related courses to support your growth
- Maternity, Parental and Compassionate Care Leave Top-Up Program
- A healthy work-life balance
- Flexible summer hours
- $500 Staples allowance for new full-time hires
- Recognized as one of Canada’s Top 100 Small & Medium Employers (2022, 2023, and 2024)
- Winner of Canada's Top 100 Employer (2025)
LBMX is committed to providing a fair and equitable work environment and encourages applications from qualified women, men, visible minorities, Indigenous Peoples, and persons with disabilities. LBMX is also committed to providing accommodations throughout the interview and employment process. If you require any accommodations, please let us know and we will work with you to meet your needs.
What you'll do
- The Senior Software Developer will design, develop, test, deploy, and maintain applications while supporting data architecture initiatives and database optimization. The role also includes mentoring junior developers and participating in planning and estimation activities.
About LBMX
At LBMX, we believe in independent business and we want them to be successful. We care about shared prosperity and believe in the power of independent businesses to create sustained economic growth. This belief comes from two decades of helping independent businesses, their suppliers and buying groups create value through technology.
LBMX offers a business-to-business marketplace platform, helping independent businesses, their buying groups, and suppliers buy better and sell more. Its Private Group Marketplace for Groups has transformed billing and ordering, rebate management, real-time analytics, e-commerce and product information management across the building materials, HVAC, plumbing, sporting goods, industrial supply, manufacturing, and agricultural industries. Its LBMX Supply Cloud platform allows suppliers to look at their industrial distribution customers through one lens, offering full EDI, PIM, Analytics and Payments.
LBMX was incorporated in October 2001. We are a global company consisting of 60 employees with headquarters in London, Ontario and presence across Canada, United States, United Kingdom, Europe, Australia, and New Zealand.
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Frequently Asked Questions
What does a Senior Software Developer do at LBMX?
As a Senior Software Developer at LBMX, you will: the Senior Software Developer will design, develop, test, deploy, and maintain applications while supporting data architecture initiatives and database optimization. The role also includes mentoring junior developers and participating in planning and estimation activities..
Is the Senior Software Developer position at LBMX remote?
The Senior Software Developer position at LBMX is based in London, Ontario, Canada. Contact the company through Clera for specific work arrangement details.
How do I apply for the Senior Software Developer position at LBMX?
You can apply for the Senior Software Developer position at LBMXdirectly through Clera. Click the "Apply Now" button above to start your application. Clera's AI-powered platform will help match your profile with this opportunity and guide you through the application process.