Top Software Engineer Jobs in Jacksonville, FL

Hands-on Delivery Engineer supporting customer implementations, integrations, technical demonstrations, production events, and issue resolution. The role translates customer and contractual requirements into technical solutions, investigates system behavior across APIs, configurations, logs, and data flows, and collaborates with engineering, product, implementation, operations, security, and infrastructure teams. It is designed for early-career technical talent developing broad expertise across customer delivery, technology, product, and support.

Build and maintain an internal application framework with authentication, hosting, CI/CD, observability, and alerting defaults. Develop custom tools such as Slack bots, web applications, and workflows for business teams. Evaluate build-versus-buy decisions, integrate SaaS products and APIs, and own projects from scoping through adoption. Partner with engineering and non-engineering stakeholders while applying AI-assisted development and automation.

Build scalable, high-quality full-stack applications using Python, React, and AWS cloud services. Use AI-assisted agentic coding tools such as Claude Code or Cursor to accelerate development and improve engineering productivity. The role involves modern frontend development, cloud-based application development, scalable cloud-native architectures, and potentially integrating AI-powered tools and workflows into software development.

Develop and maintain scalable Java/Spring Boot backends and Angular frontends. Build REST APIs, messaging and caching solutions, write automated tests, conduct code reviews, troubleshoot issues, and participate throughout the software development lifecycle. Collaborate with analysts and QA teams while ensuring performance, accessibility, security, and code quality. The role also requires cloud, containerization, Agile, database, and AI-assisted development experience.

Lead architecture and technical direction across multiple engineering teams. Drive large-scale refactoring, domain decomposition, cross-team technical decisions, AI-native engineering practices, production coding, testing, observability, reliability, technical planning, and engineering standards. Mentor senior technical staff, influence hiring and leveling, and partner with Product, Design, and engineering leadership to deliver foundational platform improvements.

Build and support scalable PHP/Laravel backend services using event-sourced and event-driven architectures. Develop frontend features with Vue 3, Nuxt, TypeScript, JavaScript, HTML, CSS, and Tailwind. Design and consume REST and GraphQL APIs, integrate payment platforms such as Stripe, and work with relational and non-relational databases. Write automated tests, improve application usability and performance, collaborate cross-functionally, mentor engineers, and own technical feature details.

Develop, test, maintain, and support enterprise applications and services using C#, .NET, ASP.NET Core, Web API, Entity Framework Core, and SQL Server. Responsibilities include API and database integration, code reviews, automated testing, debugging, performance improvements, release readiness, production troubleshooting, and collaboration with product, architecture, QA, and operations teams.

Lead a cross-functional advertising engineering squad of backend and iOS engineers. Partner with Product and Design to discover, prioritize, and deliver consumer-facing ad experiences through experimentation. Manage backlog health, technical debt, delivery quality, and team ceremonies while coaching engineers and fostering an empowered, high-trust team. Support scalable, maintainable mobile applications and navigate privacy, consent, and advertising requirements.

Lead a cross-functional backend and iOS engineering squad to grow paid subscribers by building and maintaining app store and Stripe integrations, prioritize platform stability, drive growth experiments, manage delivery and tech debt, and coach engineers through close partnership with Product and Design.

Develop and modify 2D games with Defold and Lua, including game mechanics, player controls, UI, animations, debugging, and performance optimization. Complete advanced game development tasks, document workflows step by step, and create clear technical instructions and prompts for AI training. The role also requires screen recording and clear English communication.

Design and operate production infrastructure for AI agent systems, including high-performance Rust services for model inference, orchestration, and execution. Build scalable distributed systems, MLOps capabilities, observability, guardrails, and failure recovery for millions of users. Optimize latency, throughput, reliability, and cost while partnering with agent systems and infrastructure teams to harden experimental prototypes for production.