Haystack
← Back to Jobs
Technology

Senior .NET Developer/Hybrid/Delaware/$140k

Motion Recruitment Partners, LLCNew Castle, DE🇺🇸United StatesPosted 7 Jul 2026

Quick Overview

Salary
$140k/yr
Work Type
Hybrid
Level
Mid Senior

Job Description

A large, Biotech company, is adding multiple Senior developers for their team in New Castle, Delaware. The company manufactures biotech instruments and has been doing so for multiple decades. Candidates should have strong experience building RESTful web services and APIs within C#/.NET web applications. Additional experience building frontend components with JavaScript, Typescript and React are pluses for this role.

This is a great opportunity to join a well-known organization in their industry and build cutting edge applications for the biotech industry. This position is fulltime/direct hire, and is hybrid (3 days per week) in New Castle, Delaware.

Required Skills & Experience
  • 5+ years building web based, C#/.NET applications (.NET 8 is preferred)
  • Ability to build and consume Restful APIs
  • Strong SQL Server skills
  • Bachelor's degree in computer science or equivalent STEM field

Desired Skills & Experience
  • Excellent verbal and written communication skills
  • Prior experience working for a biotech company (plus)


What You Will Be Doing
Tech Breakdown
  • 20% Frontend development (JavaScript, React)
  • 80% Backend development (C#/.NET 8, REST, Entity Framework, SQL)
Daily Responsibilities
  • 100% Hands On
  • 50% Individual contribution
  • 50% Team Collaboration

The Offer
  • Competitive Salary + Benefits
You will receive the following benefits:
  • Medical, Dental, and Vision Insurance
  • Vacation Time
  • 401(k)

Applicants must be currently authorized to work in the US on a full-time basis now and in the future.

Skills

SQL
SQL Server
C#
.NET
JavaScript
REST
React
TypeScript

Similar jobs