Top Senior Software Engineer Jobs in Jacksonville, FL

Lead design, build, and scale real-time streaming infrastructure and data pipelines; collaborate with product and analytics; ensure operational availability and monitoring; set code and design standards; mentor engineers and drive delivery of quarterly goals.

Lead full‑stack projects for Upstart's Auto Refi and Auto Secured Personal Loans products. Collaborate with cross‑functional partners, make architectural decisions, deliver high‑quality, testable, resilient code, and propose ideas to improve product metrics and conversion.

The Software Developer will provide technical support, debug applications, troubleshoot issues, and collaborate with various teams to improve product reliability and client experience.

Join a fast-growing AI startup as a Senior Customer Focus Software Developer, working on impactful solutions that enhance patient care and clinician satisfaction. Collaborate across teams to deliver reliable software solutions.

The role involves building and operating ngrok's core gateway infrastructure, ensuring secure and efficient traffic routing, and debugging distributed systems in production environments.

The Software Engineer will build and maintain internal support tooling, collaborating with various teams to design automations, dashboards, and integrations, ensuring operational efficiency and reliability.

As an SDK Software Engineer, you will develop and maintain AI SDKs, collaborate with teams, and contribute to open-source projects.

Design and support digital products, collaborating with teams to deliver cloud-native solutions, managing product performance, and ensuring quality through modern engineering practices.

The role involves designing and building scalable APIs using Node.js, mentoring peers, advising clients on backend solutions, and collaborating with teams in a consulting environment.

The Software Engineer will build features across the stack, design AI/LLM-driven workflows, translate requirements, and collaborate closely with the founding team and customers.

The Senior Full Stack Software Engineer will develop and maintain software solutions, specializing in microservices and full stack applications, while collaborating with teams and mentoring junior developers.

As a Senior Software Engineer at Desmos, you'll develop innovative math tools, lead projects, and collaborate across teams to enhance user experiences.

Design and implement AI systems for customer support and compliance, architect solutions, mentor team members, and manage project deliverables.

Design and implement blockchain data systems, interact with stakeholders, manage projects, mentor team members, and write quality code.

As a Senior Software Engineer at Coinbase, you will build scalable systems, mentor junior developers, and drive large impactful projects while collaborating with teams on REST APIs. You will also work on redesigning foundational systems for future challenges.

The role involves improving software reliability, automating processes, collaborating with teams on system optimization, and mentoring engineers to establish reliability as a core value.

Lead AI feature development, integrate large models, collaborate cross-functionally, ensure technical quality, monitor AI advancements, and build user interfaces and tools for AI applications.

Develop and test production code for web applications, collaborate with teams to plan features, and debug production issues.

As a Staff Software Engineer at Vetcove, you'll lead complex product initiatives, enhance applications, mentor engineers, and design scalable systems to improve veterinary clinic operations.

The Staff Software Engineer will architect and code backend services and ML models, integrate systems, ensure quality, and mentor engineers in the AI & Strategy Engineering team.

Design, build, and support the MongoDB Node.js Driver and related native addons; contribute to JavaScript client libraries and driver specifications; investigate bugs and support requests; collaborate with a distributed engineering team and participate in open-source development.

Design and maintain scalable features in Toast's menu management products while collaborating with UX, PM, QA and engineering teams. Mentor peers and uphold development best practices.

As a Senior Software Engineer, you will build and maintain compliance program workflows, develop APIs, and ensure high availability and scalability across messaging compliance teams.

The software developer will build and maintain eCommerce websites using Magento, manage installations and updates, and ensure site performance and security.

Develop and implement user interface components using React.js, optimize performance, collaborate with teams, and maintain high-quality code.