# Full-stack Engineer (C#/Angular)

> Walter · Boston, United States (Hybrid) · Full-time · Posted 2026-07-28

**Workplace:** hybrid

**Department:** Toptal

## Description

_**Location:**_ Hybrid in Boston, Massachusetts, with 3 days per week required on-site.

_**Commitment:**_ Full-time (40/hr per week)

_**Duration:**_ 6-12 months, with potential extension

_**Contract type:**_ 1099 independent contractor. Please note that visa sponsorship is NOT available for this engagement.

_**About the Opportunity**_

We are looking for an experienced **Full-Stack Developer (C#/Angular)** to support the continued development of an enterprise IoT platform for a leading climate solutions and transportation technology company.

This is a hands-on development role requiring strong experience across the full technology stack, with a particular emphasis on front-end development using Angular. The current technology environment includes C#, Angular, SQL Server, and Azure. The team is also adopting modern AI-assisted development workflows, including AI coding tools, AI agents, and agentic orchestration technologies.

## Requirements

_**Responsibilities**_

-   Build, enhance, and maintain features across an enterprise IoT platform.
-   Take significant ownership of front-end development using Angular or AngularJS.
-   Develop reliable and scalable back-end functionality using C#/.Net
-   Work with SQL Server and Azure-based services.
-   Write production-quality code supported by automated unit and functional testing.
-   Apply software architecture patterns, engineering standards, and development best practices.
-   Collaborate with product, architecture, and engineering stakeholders.
-   Contribute to AI-assisted software development workflows, preferably using Cursor.
-   Support secondary platform components using ReactJS, TypeScript, Node.js, and PostgreSQL or similar technologies.
-   Participate in the development of AI agents, agentic orchestration solutions, and MCP Server capabilities.

_**Required Qualifications**_

-   At least of 4 years of relevant professional experience.
-   Strong hands-on experience with C# and .NET development.
-   Extensive front-end development experience.
-   Strong experience with Angular or AngularJS.
-   Experience working with SQL Server.
-   Experience developing and deploying solutions using Microsoft Azure.
-   Hands-on experience writing automated unit and functional tests.
-   Experience applying software architecture patterns and engineering best practices.
-   Ability to contribute effectively across both front-end and back-end systems.

_**Preferred Qualifications**_

-   Experience developing or extending IoT platforms.
-   Experience with AI-assisted development tools, particularly Cursor.
-   Experience developing AI agents.
-   Knowledge of production-level agentic orchestration or MCP Server development.
-   Experience with ReactJS.
-   Experience with TypeScript and Node.js.
-   Experience with AWS.
-   Experience with PostgreSQL or similar relational databases.

_**Engagement Highlights**_

-   Long-term, full-time engagement with a leading enterprise client.
-   Work on a modern IoT platform supporting climate and transportation solutions.
-   Exposure to AI-assisted coding, AI agents, and agentic orchestration systems.
-   Potential for engagement extension beyond the initial contract term.

_**Work Arrangement**_

This is a hybrid opportunity for professionals located near Boston, Massachusetts.

Interested candidates are encouraged to apply with an updated resume highlighting their experience with C#, Angular, SQL Server, Azure, automated testing, and full-stack application development.

## Apply

[Apply at Walter](https://apply.workable.com/walter-careers/j/C12476F338/apply)

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