Top Software Engineer Jobs in Jacksonville, FL

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.

Architect and deliver modernization solutions for a Mincron IBM i ERP: prioritize native enhancements, design overlays/integrations using modern languages and DB2 for i, lead UI modernization (Lansa), build B2B connectors, evaluate agentic AI automation, document architecture, and collaborate with RPGLE developers and business stakeholders.

Seeking a PeopleSoft Financial Developer to enhance payment innovations and E & B projects, requiring extensive development experience and proficiency in various technologies.

The Hadoop Developer will manage the HortonWorks Hadoop Data Platform, set up and administer clusters, and utilize various data processing tools and techniques. Candidates should have extensive experience and strong technical skills in Hadoop and associated technologies.

The Hadoop Developer will be responsible for managing HortonWorks Hadoop Data Platform infrastructure, utilizing various tools for data processing, and scripting in Unix/Linux.

Lead design, build, test, and deliver Workday integrations across a multi-system higher education environment. Own integration strategy, implement EIBs/Core Connectors/Studio/APIs, coordinate testing and cutovers, ensure FERPA-compliant data security, and partner with vendors and IT for documentation and operational handoff.

Volunteer Salesforce Architect to design and implement Health Cloud solutions, lead integrations (APIs, MuleSoft), configure Salesforce products (Service, Experience, Lightning), support users and BAs, produce technical documentation, and guide technology roadmaps and releases.

Volunteer Principal Full Stack Engineer to lead and contribute across frontend and backend (React/React Native, Node.js, MongoDB). Own feature development, mentor engineers, collaborate with product/design, ship scalable code, and support CI processes. Must commit 4+ hours weekly and attend a weekly standup; first task includes launching a fundraising campaign.

Develop, maintain, and optimize mission-critical backend APIs and scalable cloud services for web and mobile clients. Implement secure, high-performance systems, automated tests, observability, and technical documentation. Mentor peers, follow best practices, and support a proof-of-concept launch and fundraising activities as a volunteer contributor.

Build and review full-stack software environments for AI training. Develop frontend and backend features, integrate APIs, debug issues across UI and data layers, improve code quality, document technical reasoning, and review peer submissions. The role requires frontend and backend development experience with frameworks such as React or Angular and stacks including Node.js, Python, Java, or Go. Prior AI experience is not required.

Build and maintain responsive, accessible front-end interfaces using React, React Native, HTML, CSS, and Shopify. Apply UX/UI principles, collaborate with designers and multidisciplinary teams, provide clear technical feedback, and independently deliver high-quality work on complex technology or AI-related projects. Contractors complete output-based tasks and must meet weekly minimum submission requirements, with an expected start within 24–48 hours of onboarding.

Work on front-end and back-end web projects: create and redesign websites, build sitemaps and wireframes, collaborate with teams, and focus on UI/UX and performant back-end functionality.

Design, build, and maintain backend services and APIs using Ruby on Rails. Improve performance, scalability, reliability, and write well-tested production code. Collaborate with Product, Frontend, Data Engineering, and QA teams.

Design, build, and maintain backend services and APIs using Ruby on Rails. Ensure performance, scalability, reliability, and test coverage. Collaborate with Product, Frontend, Data Engineering, and QA to deliver production-quality code for web and mobile platforms.