Top Software Engineer Jobs in Jacksonville, FL

Lead and own the technical systems and teams that run operations, redesign GTM architecture for AI, manage managers and ICs, drive company-wide AI-native capabilities, and personally deliver high-priority technical initiatives that improve business outcomes.

Build and evolve a large-scale search and reporting platform: design and implement streaming data pipelines, improve search relevancy and indexing, scale systems 10x, control costs, ensure production readiness (testing, monitoring, reliability), support escalations, and collaborate on architecture, code reviews, and hiring.

Lead the development of high-performance software systems, mentor junior engineers, and contribute to technology strategy while ensuring scalable and maintainable solutions.

Founding iOS Engineer to build the app's core intelligence layer. Must implement production CallKit and on-device continuous Speech Framework recognition, integrate with SwiftUI/CoreData, and optionally add Dynamic Island Live Activity via WidgetKit. Equity-only founding role; product details under NDA.

Build and own integrations between HubSpots financial systems (ERP, billing, tax, revenue recognition). Ensure financial correctness, SOX compliance, reliability, incident response, and clear cross-functional communication with Finance, Compliance, and auditors. Mentor engineers, improve reporting pipelines, and participate in hiring.

Drive technical direction and architecture across teams for enterprise retail software. Improve platform reliability and performance, scope customer-facing features, mentor engineers, de-risk large work, and embed AI-native practices (LLMs/agents) into engineering workflows.

Design, develop, and maintain Appian low-code applications; implement features from backlog; unit test and peer-review code; collaborate with functional, testing, and Agile teams; estimate sprint work; present demos; mentor junior developers and share best practices.

Lead backend development for the Booking Engine squad: design and implement PHP features, build APIs, model reservation data, improve scalability, performance, and reliability, migrate to microservices/event-driven architecture, mentor engineers, and promote testing and engineering best practices.

Design, build, and maintain high-quality Android/iOS mobile applications integrated with OXIO's telecom platform. Contribute to architecture, write reusable/testable code, optimize performance, implement automated tests, troubleshoot across devices, and support CI/CD and releases while collaborating with backend and platform teams.

Build scalable backend services and data pipelines to process large healthcare datasets, integrate and optimize LLM-driven features, implement observability and best practices, collaborate across frontend, data, and AI teams, and own end-to-end feature delivery for production systems.