Senior Fullstack Developer

DATA Communications Management Corp; Richmond Hill; Hybrid; CAD 90,000 - 110,000; Full time

Benefits offered by this job

Healthcare, dental and vision coverage

3 weeks vacation

Hybrid work environment

Job summary

DATA Communications Management Corp’s Octacom division in Richmond Hill is seeking a Senior Fullstack Developer to own end-to-end features across the platform, spanning backend services (.NET Framework, ASP.NET Core) and frontend React interfaces.

The role is hybrid, with 2–3 days in the Richmond Hill office. You will design APIs (REST/GraphQL), optimize MSSQL schemas, mentor juniors, and contribute to architectural decisions as the product scales for enterprise clients.

Qualifications

• Bachelor’s degree in CS/CE or related field.
• 5+ years of fullstack development experience.
• Strong experience with .NET Framework and ASP.NET Core.
• Proficient in MSSQL and API design (REST/GraphQL).

Responsibilities

• Design, build, and maintain fullstack features across backend and frontend.
• Architect and implement GraphQL and REST APIs with good documentation.
• Optimize MSSQL schemas, queries, and stored procedures.
• Collaborate with product and design teams to convert requirements into features.
• Mentor junior developers and participate in code reviews.

Skills

Fullstack development

NET Framework

ASP.NET Core

GraphQL

MSSQL

REST/Web APIs

Git workflows

Code reviews

Communication

Education

Bachelor’s degree in CS/CE

Tools

Hot Chocolate

SSMS

Git

Azure/AWS/GCP

Job description

Octacom - 45 Staples Ave, Richmond Hill, Richmond Hill, ON, CA

13 days ago Requisition ID: 1501

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.

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.

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.

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 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.