Top Software Engineer Jobs in Jacksonville, FL

Join as a full-stack software engineer to design, develop, and maintain web applications and services. Collaborate cross-functionally, write clean code, perform code reviews, debug issues, and stay current with industry trends.

Backend engineer to develop and own core CRM and finance services. Work in a fast-growth scaleup, ship quickly using agentic AI workflows, own testing and service quality, and optimize developer tooling and workflows.

Build and maintain end-to-end web applications powering sales and operations. Design tools for quoting, scheduling, and fulfillment, integrate AI into products, collaborate on UX, ship high-impact features, and contribute to architecture, deployment, and engineering culture.

Full-stack feature-team engineer working across UI, JavaScript, and backend to build scalable investment portfolio management web applications. Gather requirements with product and users, design solutions, implement and deploy code, and operate in Linux environments. Emphasis on strong computing fundamentals, Ruby on Rails proficiency, user workflow understanding, and clear communication.

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.

The Senior Software Engineer for the Treasury team will develop backend services for fund management, ensuring system reliability and leading projects in a fast-paced environment.

Lead product and technical discovery for a new initiative, build prototypes and end-to-end MVPs, define metrics and decision processes, rightsize architecture for iteration and integrations, and engage customers for feedback while coordinating external PM/design/business stakeholders.

Join as a full-stack software engineer to design, build, test, and deploy web applications. Write and debug code across application and data layers, participate in code reviews, and support the full software lifecycle including planning, requirements, QA, and documentation while collaborating with product and design teams.

Volunteer senior engineer to develop a cross-platform medical/wellness app (web, iOS, Android). Own full SDLC: design, coding, testing, data models, pipelines, deployments, and collaborate in Agile processes. Attend weekly standups and commit at least 4 hours weekly.

The Senior Software Engineer will modernize USPS shipping technology, refactor legacy systems for cloud integration, and develop high-performance services using Go, while collaborating with teams and addressing production challenges.

Design and implement scalable first-mile networking solutions for Microsoft 365 Substrate and COSMIC. Drive design, dependency identification, coding, optimization, debugging, and on-call monitoring. Analyze production telemetry to improve reliability, performance, and observability. Act as a DRI, lead design and release plans, and collaborate with stakeholders to meet product requirements at global scale.

Design and implement a software platform that validates and accepts new hardware racks into Microsoft datacenters. Own features end-to-end, model device types and workflows, improve concurrency, reliability, observability, and automation, and collaborate with hardware, firmware, networking, manufacturing, and datacenter teams to resolve system-level issues.

Design, develop, and maintain end-user applications; participate in full SDLC, write technical specifications, perform code analysis and reviews, mentor engineers, produce architecture and design artifacts, collaborate with stakeholders, and improve performance, scalability, and maintainability.

The Staff Software Engineer will develop customer-facing web applications, lead technical design, improve system performance, and mentor other engineers while exploring new technologies. The role focuses on enhancing healthcare outcomes through innovation.

The Staff Software Engineer will develop and scale platform experiences, focusing on user onboarding, deploying robust APIs, and utilizing analytics for optimization.

Lead frontend architecture and execution for high-traffic Search features using React and TypeScript. Build map-based visualizations, optimize client-side performance and state management, collaborate with product/design/backend, conduct code reviews, mentor peers, and ship production-grade web features.

Lead frontend architecture and implement responsive React/TypeScript web applications and low-latency live video playback. Optimize UI performance, design client-server APIs to cloud microservices, and collaborate with product, design, and backend teams to deliver real-time, high-traffic video features.

Design and build full-stack planning systems: geospatial placement and routing algorithms, automated permitting integrations, deployment/customer dashboards, backend services in TypeScript/Node.js with SQL, and containerized microservices on Kubernetes using Docker and Helm.

Design, scale, and maintain high-throughput backend data pipelines for real-time asset ingestion. Optimize databases, pub/sub systems, and distributed storage; lead migrations to Go while keeping TypeScript services performant. Collaborate cross-functionally, mentor engineers, perform code reviews, and deliver production-grade pipeline features under heavy traffic.

Lead design and hands-on implementation of scalable, secure Salesforce solutions using Apex, LWC, and Visualforce. Architect integrations, enforce CI/CD and code quality, troubleshoot production issues, mentor developers, drive sprint planning, and support compliance and release management.

Lead technical strategy and architecture for a large-scale Content Platform that powers marketing campaigns. Solve ambiguous cross-team problems, design scalable backend and AI-driven systems, mentor senior engineers, and partner with product, design, and marketing to drive execution and engineering standards across the org.

The Staff Engineer will lead the Systems team, design scalable cloud infrastructure, optimize data pipelines, and ensure platform reliability and security.

Build and maintain full-stack web systems (Node.js/TypeScript backend, Postgres, React) and AI-enabled features. Design end-to-end features, collaborate with educators and TAs, iterate in a small team, and deliver production-quality user-facing functionality.

As a Back End Software Engineer, you will build scalable APIs, ensure system efficiency, and contribute to company initiatives, while operating independently and collaborating with other engineers.

Design and build AI-powered backend services, optimizing performance and scalability while collaborating with cross-functional teams to integrate generative AI models.