Top Senior Software Engineer Jobs in Jacksonville, FL

Own and enhance a large section of the API platform: lead technical direction, design and build API decisioning products, write automated tests, troubleshoot/resolve production issues, ensure SLAs and participate in on-call rotations, and collaborate with product, security, and engineering teams.

The Senior Software Engineer will develop full stack software using Typescript, MySQL, React, and Next.js, oversee features from conception to production, and collaborate across teams at Ethena.

Oversee the CI infrastructure as the Product Owner, manage integrations, optimize performance, and support observability and incident management while collaborating with engineering teams.

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 develop and execute the strategy for Corporate Payments products, focusing on architectural roadmaps and innovation in engineering practices.

The Lead Software Engineer will develop and implement strategies for Corporate Payments products, enhance architecture, and foster a collaborative engineering culture.

As a Senior Software Developer, you will enhance TherapyNotes' platform by building features, designing APIs, and mentoring junior developers.

The QA Engineer will design and maintain automated testing frameworks for web, mobile, and backend systems, perform data validation, and collaborate with teams to integrate tests into CI/CD pipelines.

Design, build, and own integrations connecting Chainguard products to cloud marketplaces, vulnerability scanners, and observability tools. Develop security advisory systems and APIs, support cloud platform integrations (GCP/AWS/Azure), mentor peers, and drive long-term, scalable architecture and partner onboarding initiatives.

The Senior Software Engineer will lead the design and implementation of full-stack features, mentor peers, and contribute to architectural decisions focusing on enterprise-grade software solutions.

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

The Principal Software Engineer will lead software architecture, design, and development for genetic testing systems, collaborating across teams to deliver robust solutions that enhance patient care.

The Senior Software Engineer will build backend systems, collaborate with customers, drive product features, and enhance AI automation at Acai Travel.

As a Senior Software Engineer, you will build software for carbon dioxide removal efforts, focusing on full-stack development and optimizing complex workflows.

The Sr Software Development Engineer will design and maintain scalable cloud-based solutions, lead project technical direction, and ensure high-quality deliverables in a fast-paced Agile environment.

Develop and deliver production-ready front-end and back-end code, design within service architecture, debug cross-service issues, mentor teammates, and lead process improvements to ensure high-quality, timely software delivery.

Lead design, architecture, and hands-on implementation of scalable healthcare SaaS systems. Drive interoperability (HL7, FHIR, EDI), mentor engineers, liaise with stakeholders, manage technical risk, and ensure quality, performance, security, and innovation.

Lead the architecture of Commerce Hub by defining core domain models, building intricate systems, and mentoring engineers while influencing product strategy.

As a Senior Software Engineer, you'll optimize distributed databases, focus on query efficiency, and collaborate on SpiceDB features, enhancing performance and reliability.

Design and build core LLM platform primitives, safety and observability infrastructure, provider abstraction and evaluation systems, prompt lifecycle and Agent-as-a-Service; collaborate with product teams, document reference implementations, and lead technical standards to enable other engineers to build production AI features.

As a Software Engineer, AI/ML GenAI, you will design and implement AI features, manage embeddings, and optimize AI systems for production deployment while collaborating with product and design teams.

As a Senior Software Engineer at Flex, you'll design and maintain financial services architecture, mentor junior engineers, and ensure scalability and security for innovative financial products.

As a Staff Software Engineer, you'll lead the design and implementation of our interoperability engine, collaborate with product teams, mentor peers, and ensure high-quality data exchange in healthcare.

Build and improve application and developer infrastructure for a FedRAMP-high US environment: support US-specific hosting/on-call, enhance auth/RBAC, feature-flag tooling, CI/CD, monitoring, and developer experience while collaborating across engineering teams.

The Senior Software Engineer will develop products for creators focusing on growth and monetization, improving user experiences, and overseeing feature delivery from concept to launch.