Senior Fullstack Developer

DATA Communications Management Corp.; Richmond Hill; On-site; CAD 90,000 - 110,000; Full time

Benefits offered by this job

Healthcare coverage

Dental and vision coverage

3 weeks vacation

Hybrid work model

Job summary

Octacom, a division of DCM, is seeking a Senior Fullstack Developer to own end-to-end features across a scalable, enterprise-grade product. You will work on data models, APIs, and the React interfaces that consume them, influencing architectural decisions as we expand for regulated industries.

This hybrid role requires 2–3 days in the Richmond Hill office, collaborating with product managers and designers to deliver robust, maintainable software and address performance and scalability challenges

Qualifications

• Bachelor’s degree in Computer Science, Computer Engineering, or related field.
• 5+ years of fullstack development experience.
• Proven experience with .NET Framework and modern .NET (ASP.NET Core, ASP.NET MVC).
• Strong MSSQL experience (T-SQL, indexing, stored procedures), including schema design and performance tuning.
• Experience developing REST/Web APIs and GraphQL, ideally Hot Chocolate.
• Experience in multi-tenant or enterprise software environments.
• Excellent communication and ability to collaborate across disciplines.

Responsibilities

• Design, build, and maintain fullstack features across backend services (.NET) and frontend (React).
• Architect and implement GraphQL APIs using Hot Chocolate and REST/Web APIs.
• Design and optimize MSSQL schemas, queries, and stored procedures for performance and integrity.
• Collaborate with product managers, designers, and engineers to translate requirements into features.
• Own features from planning through deployment with code reviews and testing.
• Address technical debt, performance bottlenecks, and scalability across the stack.
• Mentor junior/mid-level developers and participate in architectural planning.
• Write clean, well-tested code and contribute to engineering standards.
• Troubleshoot production issues from database to UI.

Skills

Fullstack development

Software design principles

Communication

Team collaboration

Problem solving

Education

Bachelor's degree in Computer Science/ Computer Engineering or related field

Tools

MSSQL

GraphQL (Hot Chocolate)

ASP.NET Core

ASP.NET MVC

REST/Web APIs

React.js

Git

Frontend debugging

Job description

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 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.