Sr. C# / .NET Developer

Delan Associates • 6-month contract • TypeScript • C# • 4 hours ago
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Salary
≈ $134k – $221k per year (Estimated)
Location
Remote (United States)
Seniority
Senior · 10+ years exp
Employment
Contractor

Confirmed on the employer's own hiring board on Sep 24, 2026. First seen by Alion on Sep 24, 2026. Delan Associates scores B on the Alion truth index.

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Delan Associates

Delan Associates is a professional services, engineering and IT staffing firm based in Freeport, New York, founded in 2002 by Michael Chung. A graduate of the SBA 8(a) program and a certified Small Disadvantaged Business, it has provided instructors and student support for US Army schools, facilities maintenance for US Central Command counter-narcotics operations, and SIPR and NIPR network engineering. It now recruits mostly contract IT professionals for client projects, such as Java and PHP developers, Salesforce and Power BI developers, SAP and Oracle architects, Splunk detection engineers, vulnerability analysts and scrum masters.
delanhq.com • HQ: Freeport, United States • Stablecoins • Est. 2002

Job Title: Sr. C# / .NET Developer

Location: Remote (EST/CST zone candidates Only)

Duration: 6+ months Contract

MOI: Phone/Video (MSTeams)

Job Description:

Live, Technical Hands On

THERE WILL BE LIVE CODING ASSESSMENT - NO EXCEPTIONS

This is a full stack opportunity built around C# and .NET 8, ASP.NET Core Web API, and Entity Framework Core on the backend, deployed as AWS Lambda functions defined through CDK, with a React, TypeScript, and Redux Toolkit SPA on the front end. The broader AWS surface includes API Gateway, S3, CloudFront, Secrets Manager, and SQS, with GitLab CI/CD carrying the pipeline end to end. Expect some of the conversation to touch on how you communicate and coordinate across teams, not just how you write code in isolation.

Job Description Reference

C# and .NET 8 or later, ASP.NET Core Web API, Entity Framework Core, AWS Lambda serverless deployment. React, TypeScript, and Redux Toolkit for SPA development. AWS services including CDK, S3, API Gateway, Secrets Manager, CloudFront, and SQS, along with GitLab CI/CD pipelines. Follows the company software development lifecycle to design, code, configure, test, debug, and document system and application programs. Prepares technical design specifications based on functional requirements and analysis documents. Reviews functional requirements, analysis, and design documents and provides feedback. Collaborates with other development staff to achieve quality and consistency. Participates in architecture, design, and code reviews. Develops and maintains operational and system level documentation. Ten plus years of experience.

PCI or PAYMENTS COMPLIANCE EXPERIENCE AND AMAZON CDK EXPERIENCE.

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