Top Software Engineer Jobs in Jacksonville, FL

Design, build, and scale backend systems and APIs for high-transaction consumer products. Collaborate with product, credit, compliance, support, and analytics teams. Contribute to code reviews, technical planning, security, and operational excellence. Mentor peers and promote engineering best practices.

The Staff Software Engineer will lead the design of the Integrations Platform's architecture, authoring framework, and integration strategies while coaching other engineers and ensuring high-quality integrations over multiple quarters.

The Senior Software Engineer will enhance Flow protocol's architecture, improve performance, and ensure reliability for decentralized applications and services.

Lead team in developing Enterprise B2B solutions, uphold quality standards, drive AI adoption, mentor engineers, guide architecture and legacy modernization efforts.

The Senior Software Engineer will design and implement backend solutions for a social casino platform, collaborate with team members on architecture, and review code, while ensuring the product meets user needs.

The Sr Software Engineer will lead IoT cloud software development, design data pipelines, manage cloud infrastructure, and ensure platform compliance while mentoring the development team.

As a Senior Software Engineer, you'll build and operate the ML platform, optimizing data operations, managing the feature store, and supporting ML initiatives while driving architectural roadmap decisions.

The Software QA Engineer II will develop and execute test strategies, perform manual testing, collaborate with teams, and ensure quality compliance in a regulated healthcare environment.

The Staff Software Engineer will design and develop scalable cloud services, focusing on AI infrastructure, with hands-on system architecture, mentoring, and engineering culture shaping responsibilities.

The Senior Software Engineer will design and build a collaborative web platform, managing backend and frontend systems, mentoring junior engineers, and driving architectural decisions. Responsibilities include API design, code quality assurance, and integrating AI into the development workflow.

Technical lead individual contributor who architects and delivers complex cross-team, customer-facing product initiatives. Partners with Product, Design, and Data to translate ambiguous problems into scalable solutions, raise engineering standards through code review and mentorship, address technical debt and performance, and influence roadmap and technical strategy.

As a Software Development Engineer III on the Maps API team at Mapbox, you will design and develop mapping tools, ensure service reliability, mentor peers, and promote operational excellence in a fast-paced evolving environment.

Expand and maintain Hudl's front-end platform to accelerate product teams: design and implement scalable, performant, accessible front-ends and tooling (Vite, Next.js), consult and review front-end work, support adoption of design systems, and mentor teams to improve developer experience.

Work on the Web Platform team to design, build, and scale a new content management system. Contribute to front- and backend services, participate in Agile sprints, make technical decisions, mentor teammates, and help migrate and improve content delivery and cloud infrastructure.

Lead design and delivery of the public-facing API platform and ingestion services. Build scalable, reliable real-time distributed systems, collaborate with product and data teams, review designs and code, address technical debt, take operational ownership using observability tools, and mentor engineers.

Build AI security features into Delinea's access proxy and platform: enforce just-in-time access, control agent-to-agent communication (MCP), connect and migrate capabilities into the platform while maintaining customer continuity.

Design, build, and maintain scalable customer-facing platform services and React SPAs using C#/.NET Core. Drive architecture, implement event-driven systems with Kafka, optimize distributed systems, ensure automated testing and CI/CD, mentor engineers, and collaborate with product and engineering leaders to deliver secure, high-performance solutions in cloud environments (Azure preferred).

Own and evolve ClickHouse's Python connector and SDKs; build and maintain integrations with orchestration and transformation tools; design AI/LLM integration patterns (RAG, embeddings, feature stores); engage with open-source community; collaborate with Product and Cloud teams to prioritize and ship production-grade data integrations.

Own and deliver server-side features end-to-end for a cloud-hosted accounting SaaS: design data models and APIs, improve performance and reliability, mentor engineers, ensure observability and on-call readiness, collaborate with product and clients, and apply AI-assisted development safely to accelerate delivery.

The Senior Software Engineer role involves modernizing healthcare payment systems using C#, .NET, SQL, and cloud technologies while leveraging AI tools for efficiency.

Design and implement a high-performance, low-latency Java OLAP calculation engine core. Collaborate with product to translate designs into executable criteria, ensure correctness and performance, communicate technical concepts, and advocate for quality and robust JVM-level tuning and language/design improvements.

Lead test strategy and build scalable automated frameworks to validate performance, reliability, and security of a custom Linux kernel for AI/Compute platforms. Design CI/CD and build automation, develop test suites for kernel and VM software, debug low-level system issues, benchmark performance, and provide technical leadership and mentoring.

Lead test strategy and build scalable automated test frameworks for a custom Linux kernel. Validate performance, reliability, and security; develop test suites for kernel enhancements and VM software; debug low-level system issues; enhance CI/build automation; provide technical leadership and mentor junior engineers.

The Senior Software Engineer will architect and develop the Solver network, ensuring performance, collaborating with teams, and leading engineering standards.

The role involves leading frontend development, maintaining UI components, overseeing CI/CD pipelines, mentoring engineers, and enhancing application performance in collaboration with cross-functional teams.