Top Senior Software Engineer Jobs in Jacksonville, FL

Lead architecture and build scalable, secure production services while championing AI-native development. Mentor engineers, influence technical direction, review PRs, and help evolve a legacy monolith to a modern stack in partnership with product and exec leadership.

Build and maintain scalable, cloud-native full‑stack features and services. Collaborate with Product and Design to prototype, deliver, and document solutions. Work across backend and frontend, apply modern engineering practices, mentor teammates, and own product domains to improve transit operations.

Design, build, and maintain backend systems for metrics and monitoring, collaborate across teams, and debug production incidents.

Build and maintain scalable, cloud-native APIs using .NET. Enhance core platform components, lead architecture and testing discussions, optimize telemetry and performance, collaborate cross-functionally, conduct code reviews, and mentor team members.

As a Senior Software Engineer, you'll design and implement full-stack features, develop AI-driven workflows, and ensure code quality for a dental billing platform while collaborating with users to address their needs.

The role involves building data processing pipelines, deploying cloud technologies, and writing code in a Kubernetes environment, focusing on big data technologies.

Design, develop, and maintain software in a Java environment. Collaborate with cross-functional teams, troubleshoot complex issues, and optimize performance.

As a Senior Software Engineer, you will lead frontend development, define architecture, optimize performance, and collaborate across teams to create user-friendly logistics applications.

Lead end-to-end platform engineering projects to build and operate a multi-tenant data lakehouse and scalable compute infrastructure, partner with cross-functional teams, improve reliability/observability, support platform users, and drive platform usability and ML/analytics enablement.

Develop and enhance features for EnrollWise, contribute to a scalable software architecture, review code, collaborate on design and technical feasibility, and maintain software quality.

Build and ship full-stack features in weekly loops, owning problems end-to-end from stakeholder discovery to production, using TypeScript/Node backend and React/React Native frontends, leveraging AI-paired tools, and making scalable architectural decisions while collaborating with cross-functional teams.

Lead architecture, delivery, and operation of large distributed telemetry databases. Define technical strategy, SLOs/SLIs, and reliability practices; drive performance, cost, and observability improvements; lead incident response and cross-team projects; mentor engineers; and represent engineering to stakeholders.

The Principal Software Engineer will lead the development of Node-based applications, ensuring alignment with business goals and mentoring engineers. Responsibilities include designing scalable systems, managing product requirements, and utilizing AI tools for software development.

As a Staff Software Engineer, you will architect and build high-impact systems, mentor engineers, solve complex technical challenges, and lead cross-organizational initiatives in a fast-paced AI infrastructure environment.

Develop and maintain performant web applications in Go and Vue.js, design and implement RESTful APIs, optimize SQL queries and schemas, collaborate with product and design, participate in code reviews and testing, and work with cloud providers and CI/CD to improve platform performance and reliability.

Design and develop high-performance services and APIs, focusing on cloud-based applications using Golang and Python, while ensuring code quality and security.

As a Principal Software Dev Engineer, lead full-stack engineering, oversee complex initiatives, mentor engineers, and align technical strategies with business goals to enhance content management systems.

The Senior Software Engineer will design and develop IMS TM and DB-compatible technologies, providing architectural leadership and mentoring while optimizing mission-critical applications for modern environments.

Develop platform support for Unity across Android mobile, laptop, and hybrid devices. Design scalable editor features, analyze and optimize runtime performance, establish benchmarks, resolve bugs, document technical designs, and improve quality through automated testing and code reviews. The role requires advanced C++, C#, and Android systems programming, experience with platform or runtime systems, multithreaded codebases, cross-language memory management, debugging, profiling, and collaboration across engineering teams.

Lead hands-on SRE/DevOps practitioner who drives safe, automated deployments and CI/CD best practices. Wrap applications with test suites, containerize, upgrade runtimes and dependencies, improve code review and security practices, implement observability, automate deployments (Ansible, Liquibase), and enable resilient cross-datacenter topologies.

Seeking a Senior Elixir Engineer to develop scalable systems and contribute to technical decisions within product groups, focusing on Elixir and cloud technologies.

Lead QA activities for an IAM program: design and implement QA methodologies, create and run manual and automated tests, perform code/product reviews, triage defects, validate functionality/performance/security, and support CI/CD, UAT, and release validation across Agile teams.

Design, build, and operate Redpanda Cloud services across AWS, GCP, and Azure. Own features end to end, lead technical architecture, and develop automated provisioning, deployment, upgrades, and self-healing systems. Maintain reliability, scalability, security, resilience, and observability for a 99.99% SLA. Participate in on-call operations and collaborate with Cloud, Core, AI, Platform, product, and customer-facing teams.

The Senior Software Engineer will develop reliable systems for IoT fleet management, create user interfaces, and support data engineering tasks.

As a Senior Software Engineer, you will architect and implement Python-based systems, lead feature design and delivery, ensure scalability and reliability, and mentor junior engineers.