Lead Full-Stack .Net Developer

United States Digital Space LLC; Pickering; On-site; CAD 123,984 - 192,864; Full time

Job summary

United States Digital Space LLC in Pickering, Ontario, seeks a Lead Full-Stack .NET Developer for a 6 months contract. The role is on-site 3–4 days a week, focusing on modernizing an enterprise platform with React, Next.js, TypeScript, .NET, and Azure.

You will lead frontend engineering, collaborate with backend teams, and drive architecture that is scalable and cloud-ready, delivering tangible business value.

Qualifications

• 8+ years of professional experience building modern web apps.
• Strong frontend with React, Next.js, TS, HTML/CSS.
• Backend integration with C#/.NET and REST APIs.
• Experience with Azure cloud and DevOps practices.
• Familiarity with SQL Server and relational DB concepts.
• Ability to translate business requirements into technical solutions.

Responsibilities

• Lead frontend development of modern UI using React/Next.js.
• Collaborate with backend teams to integrate .NET APIs.
• Migrate legacy workflows to modular, scalable architecture.
• Ensure code quality with testing and structured reviews.
• Design with SOLID principles and maintainable patterns.
• Work in a hybrid on-site setup in Pickering, Ontario.

Skills

React

Next.js

TypeScript

JavaScript

HTML

CSS

C#/.NET

REST APIs

CI/CD pipelines

DevOps practices

Azure

SQL Server

Problem solving

Tools

Git

CI/CD pipelines

Snowflake

SQL Server

REST APIs

Azure

Job description

• Job Openings: 1
• Experience: 10-15Yrs
• Published On: Jul 22, 2026, 10:51 am

Job Description

Role: Lead Full-Stack .Net Developer

Location: Pickering, ON (Canada)

Job Type: 6 Months Contract

Work Model: On-site: 3 to 4 days a week

Description:

We are looking for a seasoned Frontend / Full-Stack Developer to help modernize and rebuild our enterprise platform into a modular, scalable, cloud-ready solution powered by React, Next.js, TypeScript, .NET, and Azure. This is a business-first software engineering role. Success depends on understanding the problem, designing the right solution, validating quality end-to-end, and delivering software that creates measurable business value.

Required Skills & Experience

• Strong professional experience building and shipping modern web applications (8+ Yrs).
• Deep hands-on experience with React, Next.js, TypeScript, JavaScript, HTML, CSS, and responsive frontend development.
• Practical experience with C#/.NET, REST APIs, and backend integration
• Solid understanding of full-stack application architecture and enterprise software delivery.
• Experience with Azure cloud services, Git, CI/CD pipelines, and modern DevOps practices
• Working knowledge of SQL Server and relational database concepts
• Experience validating code through testing, evidence, and structured review - not assumptions
• Ability to analyze business requirements and convert them into practical technical solutions
• Strong reasoning, prioritization, and structured problem-solving skills
• Comfortable working in hybrid environments and collaborating across business and technical teams
• Demonstrated ability to use AI tools responsibly in the development lifecycle.

Key Responsibilities

Frontend Engineering & User Experience

Lead hands-on development of modern frontend applications using React, Next.js, TypeScript, HTML, CSS, Tailwind CSS, and modern UI patterns. Build clean, responsive, polished, and production-ready user interfaces.

Translate business workflows into intuitive, scalable frontend experiences.

Apply strong component design, state management, performance optimization, and accessibility practices.

Evaluate and use frontend state/data tools such as React Query, Redux, or equivalent patterns where appropriate.

Ensure frontend solutions are maintainable, testable, and aligned with engineering standards.

Full-Stack Solution Delivery

Collaborate with backend developers to integrate frontend applications with C#/.NET APIs, RESTful services, and enterprise systems. Support the design and implementation of APIs, integration points, and modular backend components.

Understand legacy workflows and help migrate functionality into modern application architecture.

Apply SOLID principles, modular design, and pragmatic architectural trade-offs to meet business timelines.

Work with SQL Server, Snowflake, and related data sources to support application and reporting needs.

Business Understanding & Stakeholder Alignment

Translate business goals into clear technical plans, milestones, deliverables, and acceptance criteria.

Work with business and technical stakeholders to clarify ambiguity and drive practical decisions.

Think in workflows, constraints, outcomes, risks, and measurable impact.

Communicate technical trade-offs in plain language to both technical and non-technical audiences.

Validate problems and solutions through feedback loops with users and stakeholders. Confidential

Skills

• HTML
• CSS
• JAVASCRIPT
• Front End Developer
• .Net Developer

Work Location

Hybrid (Pickering, Ontario, Ontario, Canada)