Senior C# / .NET Developer

Delan Associates Inc.

. Develop full-stack applications using C#/.NET 8, ASP.NET Core Web API, and Entity Framework Core .

Posted 10/23/2026contractRemote • United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in full-stack application development using C#/.NET 8, ASP.NET Core, and AWS services, with a strong focus on deploying serverless applications and maintaining compliance in payment systems. Proven ability to collaborate effectively across teams while adhering to software development lifecycles and best practices.

Highest-signal resume keywords

C#/.NET 8 DevelopmentASP.NET Core Web APIAWS Lambda DeploymentReact, TypeScript, Redux ToolkitGitLab CI/CD Pipelines

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

C#ASP.NET CoreEntity Framework CoreAWS LambdaReactTypeScriptRedux ToolkitAWS CDKGitLab CI/CDPCI Compliance

Soft Skills

CollaborationCommunicationFeedback Provision

Tools & Technologies

AWS API GatewayAWS S3AWS CloudFrontAWS Secrets ManagerAWS SQS

Industry Keywords

Payments ComplianceSoftware Development Lifecycle

Tech Stack

Tools & technologies

ASP.NETAWSEntity FrameworkReactReduxTypeScript.NET

About the role

Key responsibilities & impact

Develop full-stack applications using C#/.NET 8, ASP.NET Core Web API, and Entity Framework Core
Deploy backend services as AWS Lambda functions defined through CDK
Develop the React, TypeScript, and Redux Toolkit single-page application frontend
Work with AWS API Gateway, S3, CloudFront, Secrets Manager, and SQS
Use GitLab CI/CD pipelines end to end
Follow the company software development lifecycle to design, code, configure, test, debug, and document programs
Prepare technical design specifications based on functional requirements and analysis documents
Review functional requirements, analysis, and design documents and provide feedback
Collaborate with development staff to achieve quality and consistency
Participate in architecture, design, and code reviews
Develop and maintain operational and system-level documentation
Communicate and coordinate across teams

Requirements

What you’ll need

Candidates must be in the EST/CST zone
Live coding assessment required — no exceptions
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 CDK
AWS services including S3, API Gateway, Secrets Manager, CloudFront, and SQS
GitLab CI/CD pipelines
Ten plus years of experience
PCI or payments compliance experience
Amazon CDK experience

Benefits

Comp & perks

Contract engagement for 6+ months
Phone/video interview via MS Teams
Live technical hands-on coding assessment