Top Software Engineer Jobs in Jacksonville, FL

Design and implement integration solutions and platform architectures to enable efficient data flow and hybrid cloud operations. Collaborate with clients to translate business requirements into technical designs, lead enterprise application integration and API strategies, manage project lifecycles, troubleshoot processes, and mentor junior team members to improve operational efficiency in banking environments.

Build and evolve internal platforms, developer tools, shared architectures, and deployment systems that improve engineering velocity and reliability. Responsibilities include developing Nest.js, React.js, and TypeScript patterns; optimizing PostgreSQL and Kafka systems; managing Kubernetes and ArgoCD; modernizing legacy code; improving CI/CD and observability; leading cross-team technical initiatives; and mentoring engineers.

Design and build backend services for a digital asset custody platform, including secure transaction orchestration, wallet lifecycle management, integrations with custody providers and blockchain infrastructure, resilient APIs, high-availability systems, observability, and close collaboration with security and product teams.

Build and scale mission-critical tips, earnings, and payroll platforms for restaurant employees. Own systems end to end, lead complex projects from design through deployment, improve reliability and correctness, collaborate with product and design, review code, mentor engineers, and deliver scalable backend services that affect employee pay and product revenue.

Build and maintain developer tooling, internal platforms, testing frameworks, and core libraries used by Toast engineers. Improve development workflows, diagnose bottlenecks, integrate AI-assisted tools, measure developer productivity, operate production services, participate in on-call support, and collaborate with engineering teams on platform improvements.

Develop and scale full-stack software that calculates and delivers restaurant employee pay, including tip pooling, wage calculations, earnings retrieval, and payroll delivery. Responsibilities include designing reliable services, participating in code reviews and architecture discussions, influencing technical roadmaps, and collaborating with product, design, and engineering teams. The role requires backend development, modern web technologies, databases, distributed systems, messaging, microservices, and a strong focus on precision and production reliability.

Leads full-stack software teams developing, integrating, deploying, and maintaining mission-critical applications for DoD and intelligence customers. Builds prototypes and user-focused features, integrates systems and APIs, collaborates with military and government operators, and conducts deployment, field testing, and triage in secure environments. Requires expertise in React, TypeScript, Python, high-performance interfaces, secure software deployment, customer engagement, and national security missions.

Develop and maintain a full-stack web application and platform for fraud analysis. Build APIs and user interfaces, write automated tests, troubleshoot production issues, collaborate with product, design, data science, infrastructure, and solutions engineering teams, and participate in on-call support. Use React, Golang, Python, PostgreSQL, Docker, and AWS technologies to deliver reliable products and meet service-level requirements.

Develop and maintain a fraud-analysis web application and platform. Build APIs and user interfaces, write automated tests, troubleshoot production issues, collaborate with product and cross-functional teams, analyze product metrics, and support SLA compliance through production on-call rotation.

Develop and maintain a fraud-analysis web application and platform, with 60–70% frontend focus. Build APIs, collaborate with product and cross-functional teams, write automated tests, analyze product metrics, troubleshoot issues, maintain service-level requirements, and participate in on-call support. The role uses React, backend languages, databases, Docker, and AWS technologies in a remote U.S.-based environment.

Own SEON’s global WordPress platform, including custom Gutenberg blocks, themes, plugins, deployments, security, performance, upgrades, integrations, multilingual functionality, technical SEO, accessibility, testing, and recovery processes. Collaborate with Marketing, Design, SEO, agencies, and stakeholders to deliver scalable solutions, establish engineering standards, and proactively improve the reliability and performance of the business-critical website.

Develop and deliver complex software features using Ruby on Rails and React. Responsibilities include system design, requirements clarification, deployments, operational support, performance and security improvements, database optimization, AWS infrastructure troubleshooting, SSO integrations, monitoring, web server administration, compliance implementation, automated testing, and mentoring junior engineers.

Build and operate scalable, customer-facing full-stack software for Samsara’s safety products. The role involves developing web, mobile, API, and platform capabilities; integrating LLMs, agentic workflows, and RAG; evaluating AI quality; and improving reliability, scalability, and operational health. The engineer collaborates with Product, Design, ML, and platform teams while owning features from concept through production.

Develop and support secure healthcare integration services connecting providers, payers, delegated entities, and third-party platforms. Responsibilities include API development, distributed systems, event-driven messaging, cloud automation, CI/CD, automated testing, observability, production support, secure authentication, and cross-functional agile collaboration. The role also contributes to healthcare interoperability solutions using standards such as FHIR.