Sr. C# / .NET Developer

Delan Associates, Inc; United States; Remote; USD 124,000 - 207,000; Full time

Job summary

Delan Associates, Inc. is seeking a Sr. C# / .NET Developer for a remote 6+ month contract (EST/CST). The role focuses on full stack development using C# and .NET 8, ASP.NET Core Web API, EF Core, deployed as AWS Lambda with CDK, and a React/TypeScript SPA.

You will work across AWS services (S3, API Gateway, Secrets Manager, CloudFront, SQS) and GitLab CI/CD, participate in architecture reviews, and endure live coding assessments.

Qualifications

• Ten plus years of experience in software development.
• PCI or PAYMENTS COMPLIANCE EXPERIENCE AND AMAZON CDK EXPERIENCE.

Responsibilities

• Follow the company software development lifecycle to design, code, configure, test, debug, and document system and application programs.
• Reviews functional requirements, analysis, and design documents and provides feedback.
• Collaborates with other development staff to achieve quality and consistency.

Skills

C#

.NET 8

ASP.NET Core

React

TypeScript

Redux Toolkit

API design

Tools

AWS Lambda

CDK

AWS S3

API Gateway

Secrets Manager

CloudFront

SQS

GitLab CI/CD

Job description

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.