Mid-Sr Full Stack Engineer (Remote)

Clark Mechanical Services, Inc.; Lititz (Lancaster County); Remote; USD 90,000 - 120,000; Full time

Job summary

Clark Mechanical Services, Inc. seeks a Mid-Sr Full Stack Engineer in Lititz, PA to join the Order Routing team. This role involves developing and maintaining systems that enhance order flow across platforms. Responsibilities include designing APIs, building web services with .NET, and optimizing SQL Server databases. You will collaborate with multiple teams for integrations and support testing in a remote setting. The ideal candidate should have strong experience in full stack development and a passion for delivering reliable systems.

Qualifications

• Experience with Full Stack Development, particularly in a .NET environment.
• Strong understanding of building RESTful APIs.
• Knowledge of front-end technologies like Blazor and JavaScript/jQuery.

Responsibilities

• Design and develop scalable web services and APIs using .NET (C#).
• Own features end-to-end from design through deployment.
• Collaborate with cross-functional teams in a remote environment.

Skills

Full Stack Development

.NET (C#)

RESTful APIs

Blazor

SQL Server

JavaScript/jQuery

RabbitMQ/Azure Service Bus/Amazon SQS

Redis

Job description

Job Summary

We’relooking for a Mid-Sr Full Stack Engineer to join our Order Routing team, responsible for building and maintaining the systems that power order flow across our platforms. This includes developing and supporting APIs, managing core data structures, and ensuring reliable system performance.

In this role, you’ll work on highly integrated applications that impact multiple teams. You’ll contribute to key initiatives such as system enhancements. You’ll also collaborate closely with other teams to support testing, deployments, and system changes.

Responsibilities

• Design, develop, and maintain scalable web services and APIs using .NET (C#)
• Build and support RESTful APIs with a focus on performance, reliability, and data integrity
• Develop frontend components using Blazor and support functionality with JavaScript/jQuery
• Own features end-to-end, from design through deployment and post‑release support
• Write and maintain automated tests to ensure high‑quality production releases
• Design and optimize SQL Server databases, queries, and data models
• Work with messaging/queuing systems (e.g., RabbitMQ, Azure Service Bus, Amazon SQS) and caching solutions like Redis
• Participate in code reviews, mentor team members, and contribute to architectural decisions
• Collaborate with cross-functional teams and support integrations, testing, and system changes in a remote environment