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 setting 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.

If you don’t meet every requirement listed above, we still encourage you to apply. We’re interested in the diverse experience, potential, and perspective you can bring to the team.

Octacom, a division of DCM,is committed to equal employment opportunity, 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.

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📌 Senior Fullstack Developer (Ontario)
🏢 Octacom
📍 Ontario