Top Senior Software Engineer Jobs in Jacksonville, FL

As a Senior Software Engineer, you will design and develop backend systems, optimize application performance, and mentor team members while building intuitive front-end features.

Join Bitsight as a Senior Software Engineer to deliver high-quality code, own features, optimize REST APIs, and work with big data technologies in an Agile team.

The Senior Software Engineer (Big Data) will build and operate large-scale data pipelines, collaborate with teams to deliver a cybersecurity product, and enhance the data pipeline architecture.

Develop and maintain batch and streaming ingestion systems for global geospatial data at scale. Build, deploy, and monitor ETL/data processing workloads on AWS, collaborate with cross-functional teams, mentor engineers, improve operational quality, reduce technical debt, and be on-call to ensure system reliability.

Lead design, implementation, and maintenance of scalable backend systems and services. Improve performance, reliability, and deployments; operate production systems (incident response rotation); conduct code reviews; mentor engineers; collaborate with product, sales, and customers.

The Senior Software Engineer II will design and implement complex backend systems for a data streaming platform, lead technical projects, and mentor engineers in a cloud-native environment.

Build and operate full-stack, production-ready systems: design and ship AI-native mortgage automation, integrate third-party lending APIs, and architect scalable AWS infrastructure and job processing. Mentor engineers and ensure security, observability, and high reliability.

Lead embedded Linux development and customer-facing engineering: design/refactor real-time architectures, develop kernel drivers, debug low-level hardware/software issues, optimize performance, produce technical proposals, and ensure delivery quality for professional services engagements.

As a Sr. Software Engineer at VGS, you'll develop and maintain the Credential Management Platform and enhance the Event Pipeline, collaborating across teams to build high-throughput services.

The Senior Backend Engineer will design scalable backend systems, solve complex technical challenges, mentor junior engineers, and ensure the technical integrity of financial wellness tools.

As a Senior Software Engineer at Elastic, you will enhance search features and functionality in Elasticsearch, work on algorithms, and collaborate with a global team to improve search relevance.

As a Senior Software Engineer (Backend), you will design and implement scalable applications, collaborate with agile teams, and mentor junior members while ensuring high code quality and performance.

Lead the design and implementation of full-stack solutions while mentoring junior engineers and driving agile development practices within the organization.

Design and implement automation, analytics, and release engineering to scale the autonomy stack. Build tooling and visualizations to turn high-dimensional data into actionable insights, improve CI/CD and deployment automation, and enhance virtual testing and simulation fidelity while collaborating across planning, motion, and controls teams.

Lead and scale reliability and DevOps/SRE practices for Grafana Cloud k6: define SLIs/SLOs, incident response, observability, runbooks, and guide architecture and cross-team engineering to improve availability and operational ownership.

The Senior Software Engineer will design, develop, and maintain backend services for an IAM platform, collaborating with cross-functional teams to ensure robust and scalable solutions.

The Senior Software Engineer will develop and maintain the LLM gateway service, collaborate with teams to optimize customer workflows, and ensure high performance and reliability in software delivery.

As a Staff Software Engineer, you will design and maintain financial services, develop APIs, improve operations, and mentor engineers within a fintech startup.

Design and build scalable web applications, collaborate on product direction, and implement complex systems using ML techniques, ensuring software quality.

Responsible for developing complex, data-driven interfaces for Fleet Management systems, collaborating with backend engineers, ensuring tight alignment between UI and APIs, and building scalable frontend applications.

The role involves owning the email channel's infrastructure, developing frontend experiences, designing backend systems, and ensuring deliverability in a cloud-native environment.

As a Senior Software Engineer at NexHealth, you'll build scalable back-end systems, maintain integrations with EHRs, and manage cross-functional engineering projects to support the company's growth.

The Senior Software Engineer, Infrastructure will enhance Epic's platform reliability, manage GCP infrastructure, and improve CI/CD processes while ensuring observability and security best practices.

Design, build, and maintain software systems for FuturHealth's platform, focusing on web and mobile applications while collaborating with cross-functional teams to enhance patient experiences.

Lead the development of Fetch's measurement and attribution ecosystem by defining technical strategy, architecting systems, and mentoring engineers. Oversee integrations and ensure scalability while collaborating with cross-functional teams to meet business goals.