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Senior Net Core Developer Jobs in Delaware (NOW HIRING)

ECCLESIASTES INC

Sr. BizTalk Programmer

Newark, DE · Remote

... Scrum, DevOps, and continuous delivery. Key Responsibilities: Design and develop BizTalk ... Strong understanding of BizTalk architecture, core components, pub/sub architecture, and content ...

Kelvin Group

$101K - $133K/yr

The Senior Mechanical Engineer is responsible for the design and implementation of both commercial ... In line with one of our five Core Values - SAFETY, you will also be assisting with the Process ...

Kelvin Group

Senior Mechanical Engineer

Wilmington, DE

$101K - $133K/yr

The Senior Mechanical Engineer is responsible for the design and implementation of both commercial ... In line with one of our five Core Values - SAFETY, you will also be assisting with the Process ...

Keylent Inc

Sr. Software Engineer

Middletown, DE · On-site

$115K - $152K/yr

Sr. Software Engineer Provide advanced technical support in ServiceNow tool configuration and ... core setup, workflow administration, reporting, data imports, custom scripting, and third party ...

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How much do senior net core developer jobs pay per hour?

As of Jun 7, 2026, the average hourly pay for senior net core developer in Delaware is $60.25, according to ZipRecruiter salary data. Most workers in this role earn between $52.93 and $67.36 per hour, depending on experience, location, and employer.

What is a Senior .NET Core Developer?

A Senior .NET Core Developer is an experienced software engineer who specializes in building web applications, APIs, and other software solutions using Microsoft's .NET Core framework. They are responsible for designing, coding, testing, and maintaining high-performance and scalable applications. In addition to strong technical skills, Senior .NET Core Developers often mentor junior team members, participate in architectural decisions, and ensure best practices in software development. Their expertise typically covers C#, ASP.NET Core, Entity Framework Core, and integration with various databases and cloud services.

What are the key skills and qualifications needed to thrive as a Senior .NET Core Developer, and why are they important?

To thrive as a Senior .NET Core Developer, a strong foundation in C#, .NET Core, object-oriented programming, and software architecture, often supported by a degree in computer science or related field, is essential. Expertise in tools such as Visual Studio, Azure DevOps, source control systems like Git, and familiarity with CI/CD pipelines and unit testing frameworks is typically required. Excellent problem-solving abilities, effective communication, and leadership skills help developers collaborate across teams and mentor junior staff. These skills and qualifications are crucial for delivering robust, scalable solutions and driving successful software projects.

What are some common challenges faced by Senior .NET Core Developers when working on large-scale enterprise applications?

Senior .NET Core Developers often encounter challenges such as managing complex codebases, ensuring high performance under heavy loads, and integrating with legacy systems or third-party services. They are frequently responsible for setting coding standards, performing code reviews, and mentoring junior developers, which requires strong communication and leadership skills. Additionally, staying up to date with the latest .NET Core features and best practices is essential for maintaining secure and scalable solutions in a fast-paced environment.

What is the difference between Senior Net Core Developer vs Software Engineer?

AspectSenior Net Core DeveloperSoftware Engineer
Required CredentialsBachelor's in CS or related field, experience with .NET CoreBachelor's in CS or related field, programming experience
Work EnvironmentDeveloping backend applications, working with .NET Core frameworksDesigning, developing, testing software across various platforms
Employer & Industry UsageTech companies, finance, healthcare using .NET technologiesBroad industry use, including tech, finance, startups, and enterprise

The main difference is that a Senior Net Core Developer specializes in building and maintaining backend applications using .NET Core, often with a focus on performance and scalability. A Software Engineer has a broader scope, working across different programming languages and platforms. Both roles require similar educational backgrounds and technical skills, but the Senior Net Core Developer role is more specialized in Microsoft technologies and backend development.

What job categories do people searching Senior Net Core Developer jobs in Delaware look for? The top searched job categories for Senior Net Core Developer jobs in Delaware are:
What cities in Delaware are hiring for Senior Net Core Developer jobs? Cities in Delaware with the most Senior Net Core Developer job openings:
Senior Net Core Developer jobs near you
W2 Only - 2 Openings - Java Developer - Newark DE

W2 Only - 2 Openings - Java Developer - Newark DE

Mitchell Martin

Newark, DE • On-site

$50 - $64.75/hr

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Sr Java Backend Developer

W2 Only - 1.5 year contract - 3 days onsite work - Newark, DE

Open to anyone who can work on our W2 - We can consider visa transfers if required

Please email resume in word format to vpatel@itmmi.com with all info below:

  • Your Current location (City & State)
  • Would you need visa transfer in future
  • Can you work on our W2
  • Full Education details with Dates

Details of the Java Developer position - Backend developer:

  • Full SDLC experience 5-7 year or more
  • Core java - multi-threading, concurrencies, distributed caching, collections
  • Spring boot.
  • Sr. Java Developer - must be hands on working very large scale enterprise projects
  • Responsible for designing and developing backend services using Java and Spring Boot.
  • Must have worked with Spring Boot, Java, REST API
  • Financial Services experience highly preferred
  • Good to have - Web Services, Angular / JavaScript frameworks - not a must

Apply