Top Software Engineer Jobs in Jacksonville, FL

As an SDET, you will design and maintain automated test frameworks, collaborate on test strategies, integrate tests into CI/CD pipelines, and ensure software quality through both automation and manual testing.

As a Senior Software Engineer, you will design full-stack applications, create APIs, manage data, and deploy services in a dynamic, project-driven environment.

Design, implement, and optimize core frontend, backend, and model-integration components. Drive engineering direction, ship and scale LLM-powered applications, build robust APIs and streaming systems, establish CI/CD and instrumentation, and deliver production-grade agentic workflows with measurable reliability and performance.

As a Staff Backend Engineer at FloSports, you'll lead backend development initiatives, focusing on scalable distributed systems, authentication frameworks, and mentoring engineers while collaborating with product teams for technical solutions.

Design and implement backend services in Go for high-throughput AI workloads. Collaborate with teams, optimize system performance, and maintain cloud integrations.

The Principal Software Engineer provides technical leadership for enterprise applications focusing on ERP and core systems, resolving complex issues, and enhancing solutions while ensuring best practices in full-stack development.

The Senior Software Engineer will develop features for Phantom's web platforms, lead new product initiatives, interface with users, and contribute to team culture.

The Senior Software Engineer will develop backend systems, mentor engineers, and collaborate with cross-functional teams while contributing to product features and roadmaps.

Lead design, build, and maintain CRM and MarTech integrations and services; lead technical discovery and execution; mentor engineers; collaborate with marketing and cross-functional teams; ensure system stability and participate in on-call rotations.

As a Staff Software Engineer, you will architect and scale AI/MCP Server and Gateway for multi-agent workflows, ensuring reliability and performance while collaborating with cross-functional teams.

As a Senior Software Engineer, you will develop scalable applications, collaborate with teams, and improve code quality while maintaining backend system reliability.

Design, develop, and administer databases for analytics and applications, with responsibilities including SQL maintenance, integration, and cloud solutions.

As a Staff Software Engineer at Radiant Security, you'll build and optimize data platforms, ensuring scalable data ingestion and system performance while collaborating across teams.

As a Senior Software Engineer in Localization, you'll contribute to Mozilla's localization projects and technology, improve internationalization features, and engage with the community of localizers while driving feature development.

As a Senior Software Engineer, you'll design modern scalable platforms, focusing on front-end and back-end development using VueJS/ReactJS and C# microservices, while integrating with AWS and modern data warehouses.

The Senior Backend Engineer will design and build scalable cloud-native backend systems for real-time monitoring and automation in HVAC operations, owning the entire lifecycle of services and mentoring junior engineers.

As a Backend Software Engineer at FIGS, you'll design and optimize backend services, integrate AWS and Kubernetes, and manage databases to support enterprise applications in a collaborative environment.

The Software Engineer will build scalable backend systems, integrate third party software, and optimize performance, aiming to enhance efficiency in the moving industry.

As a Software Engineer - Support, you'll troubleshoot production issues, implement fixes, and collaborate with teams to enhance web platforms. You will also define backlog tickets and contribute to improving incident response processes.

Design and build systems for managing bare-metal infrastructure, focusing on automation, hardware provisioning, and software integration with Linux systems.

As a Staff Software Engineer AI-Native, you will build and evolve AI-native engineering workflows, design high-quality APIs, and collaborate with international teams to deliver reliable services while mentoring others.

The role involves designing, developing, and maintaining iOS applications, driving technical architecture, and promoting knowledge sharing within the team.

As a Senior Software Engineer, you'll build and maintain data infrastructure in Go for Bluesky's applications, ensuring scalability and performance on large backend systems.

Lead the development of scalable software solutions, design responsive UIs, manage AWS infrastructure, and ensure code quality through collaboration.

The Lead Software Engineer will design and maintain scalable software solutions, provide technical guidance, mentor junior engineers, and ensure software quality while collaborating with cross-functional teams.