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Robert Half Logo Robert Half · IT - Software Development

Sr. Software Engineer

United States, Jacksonville Employment contract, Contract work · Job Posted June 15, 2026
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Job Description

We are looking for a Sr. Software Engineer to help shape modern cloud platforms in Jacksonville, Florida. This role will lead the design and delivery of scalable serverless solutions, guide technical direction for complex initiatives, and strengthen engineering standards across the organization. The ideal candidate brings deep experience with C#/.NET, cloud architecture, and cross-functional collaboration to build reliable, secure, and high-performing systems.

Job Responsibility

  • Design and deliver large-scale serverless applications using cloud-native services, event-driven patterns, and distributed system principles
  • Define technical architecture for new platforms, reusable services, and core components that support long-term scalability and operational stability
  • Build and improve infrastructure automation, deployment pipelines, and release processes to enable efficient and dependable software delivery
  • Act as a senior technical authority for cloud and serverless engineering, providing guidance on architecture decisions and implementation approaches
  • Lead design reviews, resolve complex production issues, and drive improvements in reliability, observability, and operational performance
  • Collaborate with product, security, DevOps, and business partners to align engineering solutions with strategic objectives and risk controls
  • Establish testing approaches that strengthen quality across automated, integration, and end-to-end validation efforts
  • Mentor engineers and technical leaders by sharing best practices, shaping engineering patterns, and supporting career development
  • Promote secure development, system hardening, and proactive mitigation of technical and operational risks
  • Influence roadmaps and technical strategy through clear communication, sound engineering judgment, and data-informed recommendations

Requirements

  • 10+ years of progressive experience in software engineering, including ownership of complex technical initiatives
  • Strong expertise in C#, .NET, ASP.NET, JavaScript, and React.js for building modern full-stack applications
  • Advanced experience designing cloud-based and serverless solutions, including event-driven architectures and distributed systems
  • Hands-on knowledge of CI/CD practices, infrastructure as code, Git-based workflows, and modern engineering delivery standards
  • Solid understanding of web application performance, browser behavior, and front-end architecture considerations
  • Experience working with relational databases, data pipelines, or large-scale data platforms
  • Knowledge of security concepts such as OAuth2, OpenID Connect, cryptography, and secure software design
  • Proven ability to work independently in ambiguous environments while influencing stakeholders and guiding technical direction

What we offer

  • Medical, vision, dental, and life and disability insurance
  • 401(k) plan
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