Top Senior Software Engineer Jobs in Jacksonville, FL

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.

Lead a team of testers to develop and execute testing strategies, manage defects, automate tests, and ensure software quality across applications.

The role involves designing and developing full-stack features using Angular and Java/Spring Boot, building scalable services, and optimizing system performance. Responsibilities include API design, technical documentation, and collaboration with engineering teams.

The Senior Software Engineer will design and deliver high-performance integration systems, manage end-to-end ownership of integrations, and ensure reliable compliance data flow across complex environments.

Senior Software Engineers at RegScale own end-to-end feature delivery across the full stack, ensuring quality, stability, and performance while mentoring other engineers.

Senior Software Quality Engineers at RegScale partner with developers to shape quality strategies for features and releases, ensuring quality is integrated from the start and aligned with customer usage patterns. They develop testing strategies, contribute to CI/CD processes, analyze defects, and communicate quality risks.

Lead the development of product features, mentor engineers, optimize system architecture, and ensure best practices in a high-performance team.

The Staff Software Engineer will lead the Order Management domain, shaping architecture and ensuring system reliability. Responsibilities include designing distributed systems, guiding incident responses, mentoring engineers, and collaborating on technical strategy with leadership.

As a Staff Software Engineer, you will develop core banking experiences, craft user flows, build APIs, and integrate third-party software, ensuring high-quality, well-documented, and test-driven code.

The role involves developing and maintaining integrations for workforce software, collaborating with HR and IT, and providing technical support.

The Senior Software Engineer (Backend) will design and implement micro-services, optimize database schemas, and ensure system reliability for scalable backend systems.

Design, build, and maintain backend systems and APIs in Clojure and Go, mentor engineers, and improve operational standards. Engage in architectural decisions and collaborate with other teams to deliver value.

As a Staff Software Engineer, you will lead architecture for distributed systems, mentor engineers, influence technical direction, and connect technical decisions with business outcomes.

The Senior Software Engineer will enhance the data infrastructure for ApartmentIQ by delivering product-focused data, scaling data ingestion, setting technical standards, and collaborating across teams to improve data outcomes.

The Senior Software Engineer will lead the design and delivery of core capabilities for an automated investigation platform, integrating with security tools and ensuring quality in software development. Responsibilities include mentoring, overseeing technical direction, and participating in on-call rotations.

Join VAST Data as a Senior Software Engineer to design and develop backend components for a scalable vector database, focusing on distributed systems and performance optimization.

Seeking a Senior Software Engineer to design and maintain backend services at Binance.US using Java, focusing on scalability, security, and blockchain integration. Mentorship and collaboration required.

As a Senior Software Engineer, you will develop key product features for millions of users, collaborate with teams, and mentor others.

As a Telephony Engineer, you'll design and operate telephony services, develop signaling systems, collaborate with various teams, and optimize voice quality in AI-driven communications.

The Senior Software Engineer will lead technical projects, develop scalable software solutions, troubleshoot code, and enhance user experiences while collaborating across teams.

As a Senior Software Engineer, you'll design and deliver high-quality solutions, collaborate across teams, mentor junior engineers, and implement scalable software systems.

The Senior Software Engineer will design, implement, and test secure applications for Identity and Access Management, leading code reviews and ensuring high-quality delivery while maintaining testing environments.

The Senior Software Engineer will work on low-level systems programming, hypervisor integrations, networking automation, and performance tuning, focusing on high-performance services in a cloud environment.

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.

The Senior Software Engineer will design and deliver core capabilities for a cloud-managed service, focusing on metering and billing, while leading projects and mentoring engineers.