Top Software Engineer Jobs in Jacksonville, FL

You will tackle AI challenges, develop scalable software and collaborate with teams to enhance healthcare navigation using AI solutions.

Own and modernize the governance domain (auth, roles/permissions, orgs, billing) as a Staff-level backend IC: set architecture, refactor for scale and AI-native workflows, write critical-path code (70-80%), mentor engineers, and partner with product to deliver enterprise-grade governance and compliance features.

Hands-on senior full-stack engineer building and supporting user-facing features, infrastructure, and AI-powered workflows (LLM integration, RAG, agents). Drive architecture, dev experience, CI/CD, and partner with product and program teams to deliver a scalable education platform.

Design and implement low-latency .NET backend services and Angular front-ends for a large financial platform. Build microservices, message-driven systems (Kafka/RabbitMQ), RESTful APIs, and OpenAPI contracts. Maintain >80% test automation, write unit/integration tests, own production lifecycle via GitHub Actions, use Splunk for observability, and leverage AI coding tools to accelerate development in Agile teams.

The Senior Salesforce Developer designs, develops, integrates, and supports scalable Salesforce solutions, including custom applications, portals, data migrations, and third-party integrations. Responsibilities include Apex and Lightning development, data quality management, testing, release management, troubleshooting, documentation, stakeholder collaboration, and evaluating new Salesforce technologies. The role manages multiple concurrent projects and promotes technical best practices across the team.

Leads Citi’s Customer Management engineering organization across Retail Banking, Wealth Technology, and Mortgage. Responsibilities include managing multiple engineering teams, owning architectural strategy, overseeing 50+ technology investments and critical applications, directing cloud migrations and data conversions, governing delivery and controls, managing disaster recovery, assessing technology risk, and partnering with executives. The role requires enterprise-scale banking systems experience, strong people leadership, and hands-on familiarity with modern architectures and AI-enabled software development.

Participate in a 10-week onsite technology internship, contributing to agile team initiatives across software development, data science, cybersecurity, cloud, infrastructure, UX, integrations, project management, robotics, and support. Interns collaborate with mentors and stakeholders, develop secure systems, perform root-cause analysis, improve reliability and efficiency, and deliver a team project. The program includes training, networking, site visits, and exposure to potential full-time opportunities.

Design, build, and enhance features for the Finxact Core-as-a-Service platform. Develop and integrate RESTful APIs, improve automated test coverage, resolve defects, support cloud-based SaaS solutions, lead technical design discussions, and collaborate with business analysts, engineers, and external partners to deliver scalable, reliable financial services software.

Build and maintain production web platform features using C# and .NET, plus front-end interfaces with HTML, CSS, JavaScript, and TypeScript. Work with Umbraco, SQL Server, accessibility standards, and real code reviews while learning from experienced developers in an on-site environment. The internship includes structured onboarding, mentorship, training, and potential consideration for a full-time Developer I role.

Design, develop, and maintain enterprise web applications, distributed systems, RESTful APIs, and database solutions. Lead software architecture and modernization initiatives, build Angular and TypeScript interfaces, participate in testing and production support, and improve application performance and scalability. Collaborate with program, product, architecture, and engineering teams while producing technical documentation. The role also involves evaluating emerging technologies, supporting cloud platforms, and contributing to mission-critical Air Force and DoD software programs.