Top Senior Software Engineer Jobs in Jacksonville, FL

The Open Source Engineer will expand LanceDB's integration with big data systems, manage dataset operations, and enhance open-source community efforts.

Develop AI/ML-powered features in ClickHouse Cloud, focusing on frontend and API architecture, UI/UX, and integrations with AI systems.

As a Staff Software Engineer, you’ll lead the design and reliability of Duetto's data lakehouse, evolving data systems using Python and AWS, ensuring data quality, and implementing AI-driven solutions.

As a Senior Software Engineer, you will deliver software solutions for clients, teach agile practices, and ensure project success through collaboration. You will work directly with teams and clients to implement effective software development methodologies.

The Senior Software Engineer will build scalable backend systems, design APIs, and integrate ML models, enhancing Yahoo's search functionality.

Build and improve backend systems (primarily DogByte) supporting hospital workflows. Own projects end-to-end from design to production, collaborate with Product, SRE, and DevSecOps, apply AI tools thoughtfully to developer workflows, and review cross-team work to ensure reliability, scalability, and maintainability.

Lead technical vision and architecture for a scalable virtual care platform. Architect and develop Ruby on Rails backend, build React front end, guide technical decisions, collaborate cross-functionally, drive adoption of new technologies, and contribute to long-term product roadmap while mentoring engineers.

Lead design, development, delivery, and maintenance of high-performance web applications for Provider Directory and Scheduling. Collaborate cross-functionally, mentor engineers, resolve performance and concurrency issues, build integrations with EHRs, and improve reservation/resource-sharing systems to ensure secure, well-tested, and documented solutions.

Design, build, and scale backend services, APIs, and integrations powering student-university interactions. Own reliability, performance, security, automation, ETL/ingestion, and CI/CD. Collaborate cross-functionally, mentor teammates, and influence product direction while operating in cloud-native, distributed microservices environments.

Design and implement Kotlin/Java Android apps, frameworks, and SDKs for vehicle infotainment (AOSP/AAOS). Use test-driven development, collaborate with UX, product, cluster, and mobile teams, contribute to architecture and code reviews, and deliver high-quality embedded HMI features for EVs.

Design and implement Kotlin-based Android/AOSP/AAOS apps, frameworks, and SDKs for vehicle infotainment. Deliver features and fixes, use TDD, perform code reviews, write design docs and roadmaps, collaborate with UX/product/engineering, and provide technical leadership.

Build and maintain end-to-end features across frontend and backend; collaborate with product, operations, sales, and marketing; scope, prototype, test, deploy, and maintain services; write maintainable code and exhaustive tests; participate in code reviews; mentor teammates; estimate and prioritize work; operate effectively in an asynchronous remote environment.

As a Staff Software Engineer on the Developer Platform team, you will enhance CI/CD pipelines, improve developer experience, and productionize AI tooling while mentoring teammates and collaborating with engineering leaders.

Design, build, and optimize scalable Java-based microservices and RESTful APIs. Ensure performance, uptime, and engineering standards through design and code reviews, testing, and collaboration with product and support teams. Contribute to domain-driven service design and API consistency.

Lead design, development, and maintenance of scalable backend services for Payouts. Drive architecture, ensure performance and reliability, mentor engineers, enforce engineering best practices, and collaborate with product and support teams to deliver customer-facing REST APIs.

Lead the design and development of Pinecone's API and interfaces for AI agents, focusing on automation and observability while collaborating with cross-functional teams.

Design and implement scalable web applications while raising engineering innovation standards. Communicate technical solutions to diverse stakeholders and collaborate with teams to deliver products.

The Senior Software Developer II - Full Stack will design and develop scalable systems, leading projects while mentoring junior staff and engaging with stakeholders. The role emphasizes technical leadership, problem-solving in software development, and innovative processes in cloud and AI technologies.

Design and maintain core components of Docker Desktop, improve installation and update processes, ensure system reliability, and collaborate across teams.

Serve as an embedded Linux expert on customer projects: design and refactor real-time architectures, develop Linux kernel drivers, debug low-level hardware/software issues, optimize kernel performance, collaborate with customers and internal teams, lead technical efforts, produce high-quality deliverables, and create technical proposals to support product lifecycle and certification.

The Senior Software Engineer will design and maintain MediaWiki's backend components, ensuring quality and operational excellence across the platform while mentoring team members and aligning with WMF strategies.

Develop, design, and maintain production software for autonomous mission management of a satellite constellation. Contribute to architecture, implement scalable algorithms in Python and Go, support production operations, on-call rotations, launches, and cross-team integration for automated constellation operations.

Frontend-focused senior software engineer to lead and implement Search features in a high-traffic React/TypeScript app. Collaborate with backend, product, and design to build end-to-end features, optimize UX and performance, work with mapping/data visualizations, and participate in architecture, on-call rotations, and mentoring.

Design and implement scalable Salesforce solutions, lead development teams, manage integrations, and mentor junior developers while ensuring security and compliance standards are met.

Design and build AI-augmented test tooling and automated test infrastructure across mobile, web, and backend. Integrate testing into engineers' workflows (IDE, CI, monitoring, chatops), define quality gates, instrument AI usage and costs, ensure secure handling of PHI, and produce reusable libraries, documentation, and training to help teams adopt automated quality workflows.