Description We are looking for a Software Engineer to join our team in Jacksonville, Florida and contribute to the development of modern web applications across a Microsoft-focused environment. This position blends new feature delivery with ongoing support for business-critical platforms, with a strong emphasis on performance, reliability, and usability. The role offers the opportunity to work closely with cross-functional partners in an Agile setting while helping shape technical solutions that scale effectively. Responsibilities: Create, enhance, and maintain full-stack web applications, campaign sites, and digital experiences using Microsoft technologies and related tools. Translate business needs and design concepts into responsive, production-ready solutions that perform consistently across browsers and devices. Diagnose application issues, resolve defects, and support stable operation of existing systems in both development and production environments. Develop technical approaches that improve scalability, maintainability, and overall application performance by applying sound engineering practices and architectural patterns. Partner with stakeholders, distributed teammates, and external contributors to deliver features, align priorities, and keep projects moving on schedule. Provide hands-on guidance during project execution by helping coordinate technical workstreams and supporting less experienced developers. Participate in production support activities, including on-call coverage when needed, to help maintain system availability and user satisfaction. Evaluate emerging tools, frameworks, and process improvements that can strengthen service quality and improve the end-user experience. Requirements 5+ years of software engineering experience building and supporting large-scale web applications. Strong proficiency with C#, .NET, ASP.NET, JavaScript, and modern full-stack development practices. Experience working with relational databases, ORM frameworks, and code-first development approaches in Microsoft-based environments. Familiarity with source control, cloud platforms such as Microsoft Azure, and search technologies such as Elasticsearch or comparable tools. Ability to manage multiple priorities independently in a fast-paced Agile environment while maintaining strong attention to detail. Excellent written and verbal communication skills, with the ability to work effectively across geographically distributed teams and business stakeholders. Understanding of software design patterns, performance optimization, and reliable application architecture. Experience mentoring peers or providing technical leadership on project-level initiatives is preferred. 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 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 and Privacy Notice.