Jobs › Merrimack, NH › Software Engineer Robert Half Software Engineer Merrimack, NH Apply Description We are looking for a Sr. Software Engineer. This role is suited for someone who enjoys building modern web applications, creating reliable backend services, and working across the full software development lifecycle. The ideal candidate brings strong experience with Microsoft-based technologies and a practical approach to delivering scalable, maintainable solutions in a collaborative environment.

Responsibilities:

• Design, develop, and maintain software applications using C# and .NET technologies across both backend and web-based systems.
• Build responsive user interfaces with modern front-end tools such as Angular, JavaScript or TypeScript, along with HTML5 and CSS3.
• Create and integrate RESTful APIs to support application functionality and enable communication between services.
• Develop database-driven features and write efficient queries for relational database platforms.
• Apply object-oriented design methods and established engineering standards to produce clean, testable, and maintainable code.
• Collaborate with cross-functional team members in an Agile/Scrum setting to plan, deliver, and refine application features.
• Use source control tools such as Git to manage code changes, support team development, and maintain version history.
• Contribute to application architecture, troubleshooting, and performance improvements throughout the development process. Requirements
• At least 4 years of software development experience working in a Microsoft technology environment.
• Strong programming experience with C#, .NET, and ASP.NET for application and web development.
• Proficiency in front-end development using Angular, JavaScript or TypeScript, HTML5, and CSS3.
• Working knowledge of Oracle or other relational databases, including SQL Server, PostgreSQL, or MySQL.
• Solid understanding of object-oriented programming concepts, software design practices, and API development.
• Familiarity with Git and prior experience contributing within Agile or Scrum-based development teams.

Technology Doesn't Change the World, People Do.® Robert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles. Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app (https://www.roberthalf.com/us/en/mobile-app) and get 1-tap apply, notifications of AI-matched jobs, and much more. All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information. © 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking "Apply Now," you're agreeing to Robert Half's Terms of Use (https://www.roberthalf.com/us/en/terms) and Privacy Notice (https://www.roberthalf.com/us/en/privacy) . Active Filters Software Engineer Merrimack, NH Clear All Apply