Octacom - 45 Staples Ave, Richmond Hill, Richmond Hill, ON, CA
Salary Range: $90,000.00 To $110,000.00 Annually
Position: Senior Fullstack Developer
Employment Type: Full Time Permanent
Vacancy Status: Existing Vacancy
Location: Richmond Hill, ON (Hybrid)
Octacom, a division of DCM, is an enterprise software and services company focused on document and data management solutions. Octacom specializes in document management and workflow automation software, as well as document imaging and data capture services. Octacom’s core solutions focus on large scale digitization and financial process automation, enabling large enterprise clients across a wide range of industries to streamline and optimize their Accounts Payable and Accounts Receivable processes.
The Role As a Senior Fullstack Developer, you will take ownership of complex, end-to-end development features across our platform. You'll work across the stack from data models and APIs to the React interfaces that consume them. You will play a key role in architectural decisions as we continue to scale up a client-diverse, enterprise-grade product that serves regulated industries.
This is an hybrid role working 2-3 days in our Richmond Hill office.
Key Responsibilities Design, build, and maintain fullstack features spanning backend services (.NET Framework, ASP.NET Core, ASP.NET MVC) and frontend applications (React.js)
Architect and implement GraphQL APIs using Hot Chocolate, alongside traditional REST/Web APIs, ensuring performant and well-documented interfaces for internal and external consumers
Design and optimize MSSQL database schemas, queries, and stored procedures for performance, reliability, and data integrity
Collaborate with product managers, designers,



and other engineers to translate requirements into technical designs and shippable features
Own features from planning through deployment, including code reviews, testing, and production support
Identify and address technical debt, performance bottlenecks, and scalability constraints across the stack
Mentor junior and mid-level developers, providing technical guidance and code review feedback
Participate in architectural discussions and contribute to technical roadmap planning
Write clean, maintainable, well-tested code and contribute to evolving engineering standards and best practices
Troubleshoot and resolve production issues across the fullstack from database to UI
Skills & Experiences Bachelor’s degree in Computer Science, Computer Engineering, or related field with 5+ years of fullstack development experience
Proven experience with .NET Framework and modern .NET (ASP.NET Core, ASP.NET MVC)
Strong hands-on experience with MSSQL (T-SQL, query optimization, indexing, stored procedures), including schema design, query optimization, and performance tuning
Solid experience developoing APIs (REST/Web APIs); experience with GraphQL, ideally using Hot Chocolate is an asset
Experience working in multi-tenant or enterprise software environments is an asset
Strong understanding of software design principles, design patterns, and clean architecture
Excellent communication skills and ability to work collaboratively across disciplines
Required Technical Skills MSSQL (T-SQL,



query optimization, indexing, stored procedures)
GraphQL and Hot Chocolate
Web API design and development (REST and GraphQL)
Git-based version control and collaborative development workflows
Debugging and performance profiling across frontend and backend
Nice to Have Technical Skills SSO and authentication/authorization technologies (SAML2, OAuth2, OpenID Connect)
Experience implementing ML/AI capabilities, particularly RAG (Retrieval-Augmented Generation), LLM integration, or agent-based systems
Experience with cloud platforms (AWS, Azure, or GCP)
Exposure to CI/CD pipelines and DevOps practices
Experience with document processing, data capture, or similarly data-intensive domains
What we offer Comprehensive healthcare, dental, and vision coverage for you and family starting on first day of work
3 weeks of vacation annually
Collaborative and supportive work environment where your ideas are valued and your impact is visible
Compensation $90,000 – $110,000 CAD per year
The compensation range listed reflects the expected compensation for the role. Actual compensation will be determined based on individual skills and experience.
Octacom, a division of DCM,is committed to equal employment chance, employs and does not discriminate against all qualified persons without regard to race, colour, religion, national origin, sex, age, disability, or any other classification protected by applicable federal and provincial laws. Should you require any accommodation throughout the recruitment and selection process, please get in touch with us through the form at the bottom of the page (https://www.datacm.com/about-us/lifedcm/ ), so that we can ensure your equal participation.

#J-18808-Ljbffr

📌 Senior Fullstack Developer (Ontario)
🏢 DATA COMMUNICATIONS MANAGEMENT
📍 Ontario