Top Software Engineer Jobs in Jacksonville, FL

As a Senior Backend Engineer, you will enhance Postscript's Fondue product by architecting scalable systems, driving decoupling, and implementing AI-first development practices while collaborating across teams.

As a Staff Software Engineer, you'll design and develop systems to integrate AI in healthcare payment processes, mentor engineers, and optimize workflows.

The Senior Software Engineer will design and build scalable data solutions, manage backend systems, and enhance performance leveraging Golang and Python. Responsibilities include optimizing ETL processes and collaborating with teams to meet evolving customer needs.

The Staff Software Engineer will design and build scalable backend systems, lead projects, and contribute to enterprise software solutions, focusing on application architecture, API development, and ML techniques.

The Sr./Principal Software Engineer will design and implement core capabilities for SingleStore's cloud platform, focusing on scalability and reliability, while mentoring other engineers and collaborating with cross-functional teams.

Design, build, and operate shared backend services and APIs. Own full SDLC, define service boundaries and data models, ensure scalability and reuse, apply DDD and systems thinking, and use AI-assisted tools to accelerate development while maintaining maintainability.

Build and ship lightweight internal full-stack tools end-to-end within small pods. Rapidly prototype, deploy, operate, and iterate tools using cloud platforms and AI-assisted development to improve team productivity and automate workflows.

Design, build, and ship full‑stack applications end-to-end within small pods. Own the full SDLC, deploy and operate cloud applications, contribute to architecture, and use AI-assisted tools to accelerate development, testing, and code quality while maintaining reliability.

The role includes leading a team of database engineers, designing and optimizing Oracle databases and AWS data services, and overseeing data migration efforts. Responsibilities involve collaboration across teams, performance tuning, and managing production support.

As a Senior Software Engineer, you'll design, develop, and maintain production-ready API solutions, collaborating with cross-functional teams while utilizing cloud technologies and agile methodologies.

The Staff Software Engineer will lead the software development lifecycle focusing on observability, design high-scale distributed systems, and mentor team members while ensuring technical excellence.

Lead fullstack technical work connecting Python/Django backend services with Unity (C#) client, drive technical roadmap, own live-ops reliability and incident management, mentor cross-functional teams, deliver scalable features, and reduce technical debt for a live-service mobile/PC game.

Design, build, and operate cloud infrastructure and internal developer tooling to scale a production SaaS platform. Improve performance, scalability, and security, integrate observability, build AI-assisted automation, support production debugging and incidents, and participate in on-call rotations while enabling strong developer experience and documentation.

Lead design and implement scalable backend systems using Node.js, build RESTful APIs, design SQL schemas, optimize performance, mentor engineers, deploy on Azure, and maintain CI/CD, security, and observability.

Design, build, and maintain scalable backend services in C#/.NET powering payment routing, connector management, and platform configuration. Build secure, observable APIs and high-volume transaction processing systems, collaborate across Product/AI/Engineering, mentor junior engineers, drive architecture and standards, and own full lifecycle from requirements to deployment.

Design, build, and maintain AWS-hosted backend services (Lambda, Fargate) using JavaScript/Node.js. Develop and monitor RESTful APIs, create CloudFormation IaC, manage S3 data, integrate with Salesforce (refactor LWC/Apex), collaborate with Product, and document deployments.

Design, build, and operate high-throughput distributed data pipelines and platform infrastructure. Own end-to-end systems from architecture to production, write production-grade Python, optimize SQL at scale, architect service contracts, mentor engineers, and instrument systems for observability.

Develop, deploy, and maintain the UDS Registry and related tools (Pepr, Lula). Lead architecture and implementation, integrate with defense systems, participate in on-call rotation, contribute to open source, produce documentation, mentor engineers, and influence product direction with user-focused design.

Own platform feature and API development, integrations, and deployments. Design, build, and maintain backend-focused full-stack features, collaborate with product and design, perform code reviews, troubleshoot, and work with cloud infrastructure and CI/CD pipelines to scale the marketplace.

Principal IC responsible for reliability, observability, and modernization of a .NET-based Platform Services portfolio on Azure. Own architecture, resilience patterns, shared libraries, and migration of legacy .NET services. Implement observability, event-driven messaging, and AI-first engineering practices while mentoring engineers and partnering with architecture teams.

Lead technical ownership and hands-on engineering for the integration backbone of a financial SaaS platform. Modernize legacy integration processes into .NET services, design reliable REST and file-based connectors, optimize Oracle SQL/PL/SQL, improve observability, and drive cloud-native Azure patterns. Mentor engineers, enforce standards, and champion AI-first development to increase delivery velocity and operational quality across multiple production ecosystems.

Lead design and operation of the Synapse Everywhere external API platform: define API surface and guarantees, translate product and clinical requirements into contracts, own reliability and on-call incident response, provide technical mentorship and code reviews, and design scalable, secure cloud-native solutions (k8s, LLMs) with strong developer experience.

As a Senior Software Engineer, you will design and maintain scalable platforms, lead development projects, mentor developers, and optimize performance across systems.

Lead technical direction and architecture for the Fable backend, own platform reliability (databases, CI/CD, queues, observability), run incident response and postmortems, mentor engineers, collaborate cross-functionally with product/design/ML, and build platform capabilities enabling faster, safer delivery.

Design, implement, and scale event-driven, distributed backend systems in Python on AWS to process and enrich large-scale document and media datasets. Lead technical projects, mentor engineers, integrate ML/LLM components, optimize performance, maintain observability, and collaborate with Data Science, ML Engineering, and Product to deliver reliable high-throughput content processing services.