Top Software Engineer Jobs in Jacksonville, FL

Lead technical vision and implement high-impact Ruby on Rails solutions for an internal demo platform. Improve reliability, observability, instrumentation, and integrations; partner with Product, Sales, and cross-functional teams; mentor engineers and drive architecture, testing, and engineering best practices.

Design, build, and maintain AI-powered B2B SaaS products across frontend, backend, and AI. Own projects end-to-end, collaborate with product and design, ensure maintainability, mentor teammates, and inform roadmap and implementation decisions.

The Senior Fullstack Software Engineer will design, implement, and maintain features for Conveyor's SaaS platform, involving both backend and frontend work, while collaborating closely with team members and mentoring juniors.

The role involves developing and maintaining cross-platform desktop applications using Electron, focusing on performance, reliability, and real-time collaboration features.

Lead design, development, and deployment of software solutions. Advise on architecture, mentor teams, manage full SDLC, ensure security/compliance, and recommend improvements and emerging technologies.

Lead and mentor engineers to design, build, and own scalable backend systems, APIs, and platform primitives for Vanta's Integrations Platform. Drive complex projects, set technical direction, collaborate across teams, and contribute to engineering culture while enabling integrations across cloud, identity, MDM, and HRIS ecosystems.

Lead and mentor engineers to design, build, and own the Integrations Platform powering 400+ integrations. Drive complex, cross-team projects, set technical direction, develop product functionality and infrastructure using modern frameworks, and enable scalable, declarative integration-building, including AI-enhanced tooling.

Join as the founding full-stack engineer to extend a TypeScript React/Next.js prototype, design product features, integrate AI/OCR, write tests and infrastructure, talk to users, and iterate quickly to drive growth.

Build and maintain scalable backend microservices and developer-facing APIs, lead projects end-to-end, collaborate with product and engineering teams, design secure/versioned APIs, and manage cloud infrastructure using IaC.

As a Software Engineer, you'll design and develop microservices using a cloud-native tech stack, with a focus on financial services and secure systems.

Lead end-to-end development of production web application features using Python and Next.js/TypeScript. Drive system design, reliability, observability, CI/CD, and automated testing. Champion safe AI-assisted development and agentic coding workflows, build shared libraries and developer tooling, and collaborate cross-functionally to deliver scalable, secure, multi-tenant healthcare SaaS capabilities.

Design, develop, and maintain software applications: implement features, fix bugs, participate in code reviews and Agile ceremonies, troubleshoot issues, support QA efforts, produce documentation, and collaborate across teams while occasionally leading small projects and training peers.

Design, build, and improve shared services and engineering capabilities for government systems. Develop software in Go and Python, review teammates' code, write design documents, and own projects. Work independently, apply engineering best practices, and ramp quickly in complex environments.

Build, integrate, and stress-test full-stack applications and backend services that leverage advanced AI models. Develop production APIs, front-end features, databases, and cloud infrastructure; troubleshoot integrations; prototype rapidly and deliver high-quality code and documentation in fast-moving environments.

The Back End Software Engineer will design and build scalable services for a SaaS platform, collaborate with teams, and contribute to quality code and architecture discussions.

Design, develop, and maintain mobile applications in Kotlin, ensuring healthcare compliance, collaborating with teams, and mentoring others.

Design, build, and maintain frontend applications with React, Next.js and TypeScript. Integrate with backend APIs, optimize performance, ensure UI/UX quality, write tests, follow TDD and agile practices, and collaborate with designers and engineers.

Design and implement scalable Golang backend services; collaborate with frontend and DevOps; optimize performance and scalability; write clean, test-driven code; work with PostgreSQL and MongoDB; participate across the software development lifecycle; ensure cloud-based availability and security.

Remote frontend engineer responsible for developing and maintaining ReactJS/NextJS/TypeScript applications, integrating APIs, optimizing performance, ensuring UI/UX consistency, and writing unit/integration tests. Collaborates with backend engineers and designers, follows agile practices, and applies TDD, cloud, security, and SEO principles.

Design, build, and maintain backend services and APIs with Node.js and TypeScript. Integrate with frontend teams, optimize for performance and scalability, implement PostgreSQL and MongoDB solutions, follow test-driven development, participate in code reviews, and work in an agile environment to continuously deliver features.

Design, build, and optimize scalable backend services in Golang. Collaborate with frontend and DevOps teams, implement TDD, work with PostgreSQL and MongoDB, ensure high availability and security in cloud environments, and participate in the full software development lifecycle.

Build and maintain Plane's local-first browser client surfaces: large, virtualized workspaces, collaborative editor, offline/caching layers, and shared design-system components. Work cross-functionally with designers and backend engineers, extend sync and conflict-resolution behavior, optimize rendering performance, and triage cross-browser and self-hosted issues.

Build and own backend surfaces for Plane: APIs, data models, migrations, real-time sync (CDC/event streams), caching, and query performance. Instrument, monitor, and debug production incidents; collaborate with product and frontend teams across locations.

Own and build Node.js/TypeScript backend services that power integrations, importers, queues, and developer-facing OAuth surfaces. Design reliable queue/worker systems (retries, idempotency, backpressure), integrate third-party APIs, collaborate with Django engineers, and repair partial failures to ensure safe, auditable data migrations and integrations.

Design, develop, test, document, maintain and support COBOL/CICS/DB2 mainframe applications for the NYS eMedNY MMIS. Produce SDLC artifacts, perform code review and unit/string testing, estimate efforts, resolve production issues, and collaborate with teammates and stakeholders to meet project standards and timelines.