Top Software Engineer Jobs in Jacksonville, FL

The Senior Software Engineer will develop features for Phantom's web platforms, lead new product initiatives, interface with users, and contribute to team culture.

As a Backend Engineer, you'll shape the backend systems of a financial platform, focusing on high-volume, high-availability solutions. Responsibilities include optimizing CI/CD pipelines, maintaining code quality, and ensuring system observability.

As a Senior Software Engineer, you'll design modern scalable platforms, focusing on front-end and back-end development using VueJS/ReactJS and C# microservices, while integrating with AWS and modern data warehouses.

The Senior Software Engineer will build and operate systems for Vanta's FedRAMP environments, focusing on reliability, compliance, and incident response, while collaborating with product teams and improving operational readiness.

As a Senior Software Engineer, you will develop solutions for improving support agent experience, focus on backend components, and collaborate with cross-functional teams.

As a Senior Software Engineer, you will develop scalable applications, collaborate with teams, and improve code quality while maintaining backend system reliability.

Lead development of Dutchie’s cross-platform mobile apps using Flutter, delivering customer-facing features from design through deployment. Optimize performance, accessibility, and cross-platform consistency, collaborate with product and design, improve code quality and developer experience, and act as a technical leader on the mobile team.

Lead front-end development for the Brands team: design and implement React/TypeScript UIs, ensure comprehensive testing and monitoring, collaborate on product definition, and iterate from customer feedback. Mentor peers and improve team processes.

Lead design, build, and maintain CRM and MarTech integrations and services; lead technical discovery and execution; mentor engineers; collaborate with marketing and cross-functional teams; ensure system stability and participate in on-call rotations.

Design and build backend functionalities for Temporal's high-availability services, ensuring reliability and scalability across cloud environments. Document processes and maintain service metrics.

Develop new features, fix bugs, refactor codebase in a TypeScript/React environment, collaborate with teams to meet user needs, and contribute to team culture.

Front-end–focused full-stack engineer building Angular SPAs, integrating Java-based back-ends, ensuring performance and accessibility, contributing to architecture, testing, CI/CD, containerization, and cross-team delivery.

As a Staff Software Engineer, you will architect and scale AI/MCP Server and Gateway for multi-agent workflows, ensuring reliability and performance while collaborating with cross-functional teams.

Design and deliver features for the Ready-to-Build product, collaborate with sales and implementation teams, maintain and test code, enhance platform functionality.

Lead the architecture of backend services and distributed systems for OpenAI's B2B engineering team, ensuring scalable, reliable, and secure products.

As a Senior Software Engineer, you will design and develop high-quality payment systems, improve client transaction processing, mentor engineers, and ensure security and compliance in financial software.

Design and build infrastructure for AI agent systems, focusing on high-performance Rust services and reliable ML infrastructure for large-scale production environments.

As a Staff Software Engineer in Growth, you'll lead technical projects aimed at user acquisition and retention, mentoring engineers and ensuring scalability and reliability of systems.

Design and implement robust Rust services for trading and payments. Write efficient code, collaborate on systems architecture, and mentor engineers.

The Senior Software Engineer will architect and build backend systems, APIs, and developer tools, enhancing team efficiency and reliability, while supporting the Growth Engineering team's mission.

Design and implement robust Rust services for Kraken's core infrastructure, collaborating on distributed systems architecture and ensuring security and maintainability.

As a Senior Product Engineer on the Growth team, you'll tackle complex challenges across web and mobile platforms, collaborating to enhance user engagement and product adoption through high-quality, data-driven solutions.

The Principal Software Engineer at Motion will make key technical decisions, implement large software projects, take ownership of projects, and collaborate with other engineers to enhance product value.

The Backend Software Development Engineer III will design and implement backend solutions, focus on scalable APIs, data ingestion, and support cross-functional collaboration while ensuring code quality through testing and reviews.

Responsible for enhancing client integrations and backend services, focusing on performance, documentation, and architectural challenges in a remote-first environment.