> Markdown version of [/jobs/ext/3971663-senior-software-design-engineer](https://www.wearedevelopers.com/jobs/ext/3971663-senior-software-design-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Design Engineer - **Company:** Kforce Inc. - **Location:** Phoenix, AZ, United States - **Experience:** Expert - **Salary:** $125,000.0 - $140,000.0 - **Contract:** Permanent contract - **Skills:** ASP.NET, JavaScript (Programming Language), .NET Framework, Agile Methodology, Artificial Intelligence, Software Applications, HTML5, User Authentication, C Sharp (Programming Language), Cascading Style Sheets (CSS), Cloud Computing, Communications Protocols, Computer Programming, Web Servers, JSON, Python (Programming Language), Microsoft SQL Server, Windows Servers, Model View Controller (MVC), Svelte, Software Engineering, SQL Stored Procedures, Transact-SQL, Web Applications, Web Services, Windows Desktop, Extensible Markup Language (XML), .NET Core, Concurrency, Database Optimization, Information Technology, Machine Learning Operations, React Native, Sql Database Administration, Azure Resource Manager, Web Api - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-software-design-engineer-phoenix-az--254a8c4e-2c18-4660-ba7a-a5d49b07f3ce ## About the Role Software Design, Technical/Engineering Design, Software Engineering, Technical/Engineering Design, Software Design, Software Engineering, Web Services, Internet Application, Product Support, Internet/Online Service, * Bachelor of Science or Master's degree in Computer Science or a closely related field from a four-year college or university * Ten (10) years of relevant professional software development experience including web applications * Comfortable being a significant contributor with a broad range of responsibilities within a small software engineering group * Experience working in an ISO 9001:2015 environment a plus * React Native app development (iOS and Android) experience is desirable * Experience with Object Oriented Programming principles and practices * Experience developing web services, web APIs, and Windows desktop applications using C#, .NET, ASP .NET Core, Svelte, and MVC architectures * Experience with web application programming languages including HTML5, CSS3, JavaScript, Python, XML, and JSON * Experience with Microsoft SQL Server, SQL Management Studio, T-SQL, database tuning and design, and stored procedure creation * Experience with web server setup for Windows Server * Experience developing software applications in a cross-functional product development team * Experience with network and communication protocols' packetization and error detection/correction * Strong design, analysis and troubleshooting skills * Familiarity with encryption, authentication, security methods and protocols for Cloud and IoT applications * Familiarity with programming with threads/tasks and concurrency * Familiarity with or interest in AI/ML tools and techniques * Ability to recommend and justify the purchase of tools and equipment * Knowledge of software development methodologies (Agile, Waterfall, SOLID) * Experience managing Azure resources is desirable Ability to: * Work independently while adhering to department operating rules and guidelines * Complete projects on time and within expected work hours * Consistently maintain a professional demeanor and appearance * Demonstrate a positive attitude and set example of accountability and work ethic ## Description Kforce has a client in Phoenix, AZ that is seeking a Senior Software Design Engineer. Responsibilities may include: * Design, develop and deploy web sites and Web service applications to support Knox products * Collaborate with other disciplines to design and develop high quality, highly reliable, easily maintainable hardware/systems with an emphasis on simplicity and time-to-market * Development of supporting design documentation * Work closely within a small engineering team to develop, troubleshoot, optimize, and enhance software applications * Provide sustaining engineering support for software applications