Software Engineer III

Who We Are Robert Half/ Protiviti is at the forefront of transforming how our teams work through secure, enterprise-grade generative AI applications. We’re have developed and continuously enhancing an advanced, AI-powered assistant designed exclusively for internal use — enabling our people to harness the power of AI safely within our environment. We’re seeking a Full Stack Software Engineer III to play a key role in this transformation. In this role, you’ll help in design, development, and evolution of our next-generation AI platform, driving innovation while ensuring scalability, security, and exceptional user experience. You’ll work across the full stack — from back-end integration to front-end interfaces — collaborating closely with product, design, and AI engineering teams. What You'll Do Design, development and enhancement of AI-enabled enterprise applications that enhance productivity and collaboration across the organization. Build and optimize features that leverage large language models, prompt engineering, and AI-assisted workflows. Write efficient, maintainable, and scalable code across all layers of the stack (database, middleware, front-end). Independently develop low- to medium-complexity systems and components within larger system architectures. Conduct code reviews and provide technical mentorship and guidance to Level I and II engineers. Serve as a design authority at the module level, ensuring alignment with architectural and security standards. Plan, execute, and document unit testing for your own code; review and validate test plans from junior engineers. Define and implement integration and performance testing strategies. Troubleshoot and resolve complex production issues; establish best practices and frameworks for reliability and observability. Provide advanced (Level III) production support and drive continuous improvement in system performance and user experience. Collaborate with cross-functional partners — including AI engineers, data scientists, and product owners — to bring innovative ideas to life. Perform other related duties and responsibilities as assigned. What You'll Need Bachelor’s degree in Engineering or a related field. 7+ years of experience in software analysis, development, enhancement, and support in mid-to-large corporate environments. 5+ years of experience with .NET, C#, SQL, and React/Angular, demonstrating proficiency in these technologies. 5+ years of experience designing and implementing systems for mid-to-large scale production applications. 2+ years of experience with Microsoft Azure, M365, and deploying enterprise solutions in cloud environments. 1+ years of experience developing Gen-AI applications and Agentic workflows. 2+ years of experience mentoring and leading junior software engineers. 2+ years of experience managing Git/Azure DevOps repositories, CI/CD pipelines, and container registries. Proficiency in full-cycle software development methodologies, tools, and practices. Strong understanding of the software development lifecycle (SDLC). Deep knowledge of .NET web application architectures and database concepts. Basic understanding of networking concepts. Strong communication skills with the ability to interact with users of varying technical expertise. Ability to explain complex technical concepts to non-technical stakeholders. Ability to translate business processes into technical requirements. Skilled in creating complex process flow diagrams and system workflows. Proficient in gathering and documenting requirements; validating with business stakeholders. Capable of performing fit/gap analysis based on business needs. Advanced SQL skills for writing complex queries and reports. Experience managing multiple enterprise-wide project plans and meeting deliverables. Ability to mentor, support, and train junior personnel. Skilled in designing business solutions for new processes and practices. Demonstrates ownership and accountability for assigned tasks and projects. Growth-oriented mindset with a commitment to continuous learning and professional development. The typical annual salary range for this position is shown below and is negotiable depending upon experience and location. The position is eligible for a discretionary annual bonus. $104,000.00 - $153,000.00 We offer exceptional earning potential and a competitive benefits package, including group health insurance benefits (medical, vision, dental), FSA and HSA healthcare accounts, life and accident insurance, adoption and fertility assistance, paid parental leave of up to 6 weeks, and short/long term disability. Robert Half provides paid time off for vacation, personal needs, and sick time. The amount of Choice Time Off (CTO) our people receive varies based on their years of service and is pro-rated based on the hours worked per week. A new hire earns up to 17 days of CTO per calendar year. Our people also receive up to 11 paid holidays per calendar year. We also offer the opportunity to contribute to our company 401(k) savings and investment plan or deferred compensation plan (if eligible), with an employer match of 100% on the first 3% of your contributions for eligible employees. Learn more at . Robert Half Inc. is an Equal Opportunity Employer. M/F/Disability/Veteran As part of Robert Half’s Corporate Services facility employment process, any offer of employment is contingent upon successful completion of a background check. Our recruiters use their expertise and may utilize AI to help with their evaluation of candidates. Robert Half is committed to being an equal employment employer offering opportunities to all job seekers, including individuals with disabilities. If you believe you need a reasonable accommodation in order to search for a job opening or to apply for a position, please contact us by sending an email to or call 1.855.744.6947 for assistance. In your email please include the following: The specific accommodation requested to complete the employment application. The location(s) (city, state) to which you would like to apply. For positions located in San Francisco, CA: Robert Half will consider qualified applicants with criminal histories in a manner consistent with the requirements of the San Francisco Fair Chance Ordinance. For positions located in Los Angeles County, CA: Robert Half will consider for employment qualified applicants with arrest or conviction records in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.