Sr. Application Developer

JFC Staffing Companies; Harrisburg (Dauphin County); Remote; USD 90,000 - 120,000; Full time

Job summary

An innovative company is seeking a Senior C#.NET Developer to join a dynamic team in a mostly remote role. This position offers the chance to lead the development of critical applications and backend services while collaborating with product managers and stakeholders. You will be instrumental in shaping the product roadmap and ensuring the delivery of secure, high-performance software. With a flexible schedule, generous PTO, and excellent health care options, this role is perfect for someone who thrives in a fast-paced environment and is eager to make a significant impact in software development.

Benefits

Flexible Schedule

Health Care Options

401(k) with Strong Match

Paid Time Off (PTO)

Qualifications

• 5+ years of full-stack development experience with C#/.NET Core.
• Strong experience in secure API development and Agile methodologies.

Responsibilities

• Lead development and product direction across new and existing systems.
• Design and develop using C#/.NET Core, SQL Server/PostgreSQL, and JavaScript.

Skills

C#/.NET Core

SQL

JavaScript

API Development

Agile Methodologies

TDD Practices

DevOps

Tools

Jira

Azure DevOps

Docker

Kubernetes

RabbitMQ

MSMQ

Job description

Mostly remote, Senior C#.NET Developer opportunity – up to $120k, ~4 weeks of PTO to start, flexible schedule, excellent health care options, 401(k) with a strong match, and more!

If you’re a Senior Developer with technical leadership experience, and you're looking for a mostly remote role with a smart, collaborative team, this could be a great fit.

This is afull-time, permanent remote positionwhere you’ll help drive the development of critical applications and backend services. You’ll work closely with developers, product managers, and stakeholders to design and implement secure, high-performance software. You’ll play a key role in shaping the product roadmap, guiding technical decisions, and ensuring successful delivery.

Key Responsibilities:

• Lead development and product direction across new and existing systems
• Define and refine requirements and user stories with Project Managers and stakeholders
• Design and develop usingC#/.NET Core, SQL Server/PostgreSQL, JavaScript, and Entity Framework
• Build and maintainAPIsusingCommand Query Responsibility Segregationand cloud-native architecture
• Participate in Agile processes and drive continuous team improvement
• ApplyTDDpractices and implement unit testing (XUnit preferred)
• Contribute to DevOps workflows including CI/CD pipelines and containerization (Docker/Kubernetes)
• Support architecture planning

Required Experience:

• 5+ years of full-stack software development usingC#/.NET Core
• Strong experience withSQL,JavaScript, and secure API development
• Familiarity withRabbitMQ, MSMQ, etc.
• Experience with CI/CD tools
• Agile development experience using tools likeJira, Azure DevOps, or similar
• Bonus points for cloud experience (Azure, AWS, or GCP)

This is a great role for someone who enjoys both building software and helping shape the vision behind it. You’ll have the opportunity to work independently, lead initiatives, and make a real impact in a fast-paced, remote-first environment.
Apply now for immediate consideration!

How to Apply
Please submit your application by clicking the Apply button below. Make sure your resume highlights your experience with full-stack development, microservice architectures, and cloud platforms, as well as any tools you’ve used to manage APIs and CI/CD pipelines.

Crafting Your Resume

Tailor your resume to show hands-on experience with C#/.NET Core, SQL Server/PostgreSQL, JavaScript, and Entity Framework. Highlight your ability to build secure, scalable applications, integrate with cloud infrastructure, and lead Agile development teams. Demonstrate your technical expertise in API design, TDD practices, and DevOps workflows (CI/CD, Docker/Kubernetes).

Use examples and metrics when possible to demonstrate your impact—whether that’s improving system performance, automating manual processes, or enhancing product delivery timelines.

Interview Tips

Be prepared to:

• Walk through specific development projects you've led or contributed to, including details on C#/.NET Core and microservice architectures

• Discuss how you've used Agile methodologies (e.g., Sprint Planning, Retrospectives) to drive successful project outcomes

• Describe your experience designing APIs and integrating with cloud platforms (Azure/AWS/GCP)

• Explain how you’ve managed CI/CD pipelines, version control, and containerization (Docker/Kubernetes)

• Demonstrate your problem-solving approach, especially when dealing with ambiguous requirements or technical challenges

• Showcase your ability to work independently, lead initiatives, and collaborate with cross-functional teams

This is a great opportunity for someone who thrives in a fast-paced, remote-first environment, loves technical challenges, and is passionate about building impactful software solutions.

Ready to apply for this Senior C#.NET Developer / Product Owner position?

Click the Apply button to attach your resume.

Not ready to apply yet?

Contact a technical recruiter at [e-mail] or call 717-761-8095 for a confidential conversation about your career goals.

With decades of industry experience, JFC Global, the largest locally owned and operated niche recruiting company, has built well-established relationships with hiring managers and HR professionals in our area. JFC Global has received a 9.6 NPS rating from the professionals we work with and prides itself on operating with the highest ethics and integrity within the recruiting industry. We look forward to putting our local connections to work for you!

Direct W2 only
EOE