Top Software Engineer Jobs in Jacksonville, FL

Develop and maintain embedded firmware and kernel/user-mode device drivers for Ethernet-based networking devices. Design, implement, test, and integrate drivers into a Linux and AUTOSAR communication stack, build SDK components, and create debug/test utilities and automated unit/system tests for safety-critical automotive applications.

Design, develop, and maintain scalable Python applications; collaborate with cross-functional teams to deliver features; ensure performance and quality; identify and fix bugs; maintain code quality and automation; lead and mentor team members using agile practices.

Design, develop, and maintain backend platform services and APIs using Go/JS/Node/GraphQL. Lead architecture, CI/CD, and AWS-based deployments (Lambda, Fargate). Troubleshoot production issues, produce technical designs and estimates, mentor junior engineers, and drive scalable software best practices.

Lead company-wide transformation of test automation and quality engineering: define vision and roadmap, architect scalable testing frameworks across server/web/mobile/desktop, integrate AI/LLM for test generation and flakiness management, establish observability and quality gates, mentor engineers, and partner with leadership to embed quality across the SDLC.

Design, develop, and deliver scalable backend systems and components using .NET 10 and C#. Build and maintain databases and messaging infrastructure (PostgreSQL/SQL Server, RabbitMQ), deploy with Docker and AWS, apply DDD and ORMs, triage/prioritize work, and contribute to distributed, event-driven architecture with emphasis on reliability and idempotency.

Build and extend Pulumi Cloud features and SDKs, design scalable cloud systems, write production full-stack code (Angular/TypeScript, Node.js, Go), integrate LLMs/AI into products, drive roadmap and mentor engineers while focusing on security and reliability.

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.

Architect, build, and maintain scalable full‑stack applications using React, TypeScript, Node.js, and AWS. Own features end-to-end, optimize performance and usability, collaborate with founders, and use AI tools to accelerate development in a fast-paced startup.

Lead platform strategy, architecture, and hands-on development. Design, build, deploy, and operate high-performance, fault-tolerant integrations and platform enhancements. Drive security/compliance, mentor engineers, recruit senior talent, align technology with business goals, and communicate technical vision to stakeholders.

Build and ship production frontend features using modern web technologies (Vue.js/TypeScript). Collaborate with product in a cross-functional squad to iterate UX, deliver secure, stable code, and create reusable, testable components. Operate in an AI-first workflow using agentic tools, participate in Git-based development, and apply basic AWS services to solve business problems.

Design and implement backend APIs and performant database schemas (Postgres/SQL); build scalable, testable C# services; work in Agile cross-functional squads; incorporate AI-assisted development tools; and drive engineering maturity and efficiency.

As a Senior Full Stack Engineer, you'll enhance pharmacy services, optimize prescription workflows, mentor engineers, and solve technical challenges in healthcare.

Design, build, and support scalable, stable web and mobile digital products. Communicate with stakeholders, estimate scope, lead and mentor engineers, produce extensible technical solutions, and use data-driven iterative development.

Lead engineering and develop API-focused full‑stack solutions for brokerage products. Design scalable architectures, build secure cloud-native applications (AWS), drive API strategy, implement CI/CD and DevOps practices, mentor team members, and ensure code quality via TDD/BDD and security/static analysis tools.

Design, develop, and maintain scalable full-stack applications for intermediary clearing and custody platforms. Collaborate with product, architecture, and engineering teams to modernize applications, implement cloud migrations, build APIs, automate workflows, and improve CI/CD, observability, security, and deployment practices in an Agile environment.

Design and build Java-based, messaging and microservice applications. Lead API design, cloud/container solutions (Docker, Kubernetes, AWS/Azure), CI/CD, and relational database development (DB2/Oracle). Provide technical leadership, mentoring, code reviews, and resolve cross-technology roadblocks. Work on blockchain and digital asset solutions (Ethereum, Solana) and smart contracts (Solidity, Rust, Move) within financial services.

Design, implement, test, and maintain software; author technical designs; write unit and automated tests; participate in code reviews; break down stories and provide estimates; coordinate with Agile teams; own small deliverables and professional development; work with contractors and share best practices.

Design and build Java/J2EE Spring-based APIs and multi-layer applications; develop web services and database schemas (DB2/Oracle) with PL/SQL; participate in code reviews, unit/integration testing; coordinate technical deliveries across teams and support CI/CD and DevOps collaboration.

Design and implement scalable full-stack solutions for institutional platforms. Lead API and microservices design, cloud (AWS) deployments, CI/CD and DevSecOps, collaborate with product and QA, troubleshoot production, and mentor distributed teams.

Design, architect, and build enterprise Java microservices and APIs; lead technical delivery, mentor engineers, implement cloud-native and CI/CD practices, design database schemas and PL/SQL, and develop blockchain/digital-asset solutions including smart contract work and lifecycle integration in financial services.

The Senior Software Engineer II at Freenome will design and develop reliable backend services, mentor junior engineers, and collaborate with cross-disciplinary teams in a remote setting.

Lead end-to-end design, development, and quality of cloud-based enterprise software solutions for caregivers. Define quality criteria, estimate costs, manage risks and engineering processes, integrate systems, and act as technical leader across large, complex projects.

Lead the development of a search and data integration platform, ensuring architecture, integration, and delivery of complex software systems in a safety-focused environment.

Develop and manage control plane services for Flink, focusing on orchestration and reliability. Responsibilities include code quality, mentoring, and communication across teams.

As a Senior Software Engineer on the Identity team, you will enhance systems that process billions of events, ensuring performance and stability. Collaborate with teams to design algorithms for user identity, manage data quality, and improve capture accuracy.