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# Fullstack Developer (mid senior level) (5-8 years)

- **Company:** Thehive Gallery LLC
- **Location:** Merrimack, NH, United States
- **Experience:** Experienced
- **Salary:** $83,200 - $93,600
- **Contract:** Temporary contract
- **Skills:** Gulp.js, HTML, Java (Programming Language), JavaScript (Programming Language), .NET Framework, Agile Methodology, ASP.NET MVC Framework, Unit Testing, Microsoft Azure, C Sharp (Programming Language), Cascading Style Sheets (CSS), Software as a Service, Configuration Management, Code Review, Computer Programming, PostgreSQL, Microsoft Software, Team Foundation Server, Model View Controller (MVC), Node.Js, Object-Oriented Software Development, Scrum Methodology, Software Engineering, SQL Databases, Systems Integration, TypeScript, ReactJS, Git, AngularJS, Solid Principles, Information Technology, Npm(Software), Restful APIs, Web Api
- **Published:** November 13, 2026
- **Apply:** https://www.careerbuilder.com/job-details/fullstack-developer-mid-senior-level-5-8-years-merrimack-nh--476b2cfe-d4e2-4f7b-a924-88a9da1a95a1

## About the Role

Software as a Service (SaaS), Develop and Maintain Customers, Server Programming/Applications, Code Reviews, JavaScript, AngularJS, Mathematics, Microsoft C# (C Sharp), Microsoft .NET, Source Code/Configuration Management (SCM), A prominent company is looking for a highly motivated, energetic, and skilled candidate to fill the role of a Full Stack Developer (mid-level)., * Minimum 5 years experience

 * Expertise in client-side development (AngularJS & JavaScript)
 * Undergraduate degree or equivalent work experience. CS, IT, Mathematics, or Sciences degrees preferred.
 * Experience with build tasks (Gulp, NPM, etc.)
 * Strong C# experience
 * .Net Core / .Net Standard
 * Source code repositories (Azure DevOps or TFS, Git)
 * HTML, CSS, JavaScript, TypeScript
 * Familiarity with ASP.NET MVC, WEB API
 * Node.js / Express experience preferred
 * Experience building and integrating REST APIs
 * Experience in developing unit tests
 * Good understanding of OOP and modern design patterns (MVC, IoC/DI)
 * SQL and ORM experience
 * Experience with Agile and Scrum
 * Fluent English
 * Previous experience in leadership roles
 * Must be passionate about software development and continuing education, · Bachelor's or masters degree in Computer Science or related field, or equivalent experience preferred

· 5+ Years of experience working with Java & JavaScript, TypeScript, React, Node.js, Postgres, or similar technologies.

· Job related professional certifications

· Understanding and application of solid principles of software design.

· Ability to communicate professionally both verbally and in writing.

· Familiar with Agile methodologies.

· Advanced English level.

## Description

* Learn and become an expert using and supporting our SaaS platform.
 * Develop client-side and server-side code
 * Lead other developers including code reviews, defining architecture
 * Assist with creation of User Stories