Backend Developer Jobs in Florida, United States

Senior backend developer and technical lead for Citigroup’s Applications Development team. Drives high‑quality, resilient software solutions with hands‑on Java, Mongo, Spring Boot, Kubernetes, and OpenShift.

Uniform Advantage Brands develops high‑performance uniforms for healthcare and culinary professionals. As a Backend Web Developer II you will design, build, and maintain scalable C#/.NET web applications and APIs that power the company’s ecommerce platform, collaborating with frontend developers and business stakeholders.

Citigroup seeks a highly motivated Java 17+ Backend Developer to design, develop, and maintain scalable backend services in Tampa, FL. The role focuses on building robust APIs with Spring Boot, optimizing batch data processing, and enhancing CI/CD pipelines. Candidates should excel in Java, SQL, and modern development practices, collaborate across teams, and stay current with emerging technologies.

Backend Java Developer at Citi focuses on building and evolving a global finance platform using Java, Spring, and microservices. The role requires strong TDD practices, SQL, Linux, and messaging skills, with a hybrid work model in Tampa.

Citigroup Applications Development team in Tampa builds scalable Java backend services for financial operations. The Java Backend Software Developer – Officer designs, codes, and secures enterprise applications, collaborates in Agile Scrum, and mentors junior analysts.

This is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities.

Run and Release platform team at Humana secures the enterprise software supply chain by providing a centralized application security posture service. The Senior Backend Developer/DevSecOps Engineer builds and optimizes .NET microservices, designs CI/CD gating logic, and automates Azure infrastructure with Terraform and Python, while collaborating with developers to improve security and reduce technical debt.

Seeking an AI Senior DevOps Engineering Lead & Backend Developer to manage and optimize infrastructure for Citigroup’s GenAI HR application. Lead design, deployment, and management of OpenShift and Kubernetes environments, ensuring high availability, scalability, and security.

FIS is a leading fintech company seeking a Senior Backend Engineer to lead Java and Spring Boot–based services, APIs, and integrations across multiple U.S. locations. The role blends hands‑on development with technical leadership, driving design, code quality, and AI‑assisted engineering practices.

Platform team at MLabs builds and evolves the distributed backend systems powering its Web3 and DeFi products. The Senior Backend Engineer designs scalable services, owns their full lifecycle, and partners with product peers to shape strategy while integrating blockchain protocols.

Senior Backend Engineer at FIS responsible for designing, developing, and maintaining scalable backend services in a hybrid environment across Chicago, Atlanta, Jacksonville, and Milwaukee. Lead high‑quality software delivery, mentor junior engineers, and collaborate with product, UX, and QA teams.

Dispatch seeks a Backend Engineer to build and scale integration infrastructure for wealth tech data orchestration. The role involves designing, implementing, and maintaining APIs, data models, and synchronization pipelines that connect third‑party financial systems.

Tradeify Backend Team builds the high‑performance services powering a global trading ecosystem. The Backend Engineer designs and scales REST APIs, WebSocket services, and event‑driven pipelines, ensuring reliability and low latency across cloud infrastructure.

FIS fintech role for Backend Engineer II. Hybrid 3 days onsite in Chicago, Milwaukee, Jacksonville. Lead high-quality software, mentor juniors, full-stack dev with Java, JavaScript, TypeScript, RESTful APIs, microservices, event-driven architecture.

Senior Backend Engineer at Mobilefirst builds scalable backend and AI systems for mobile-first business software, collaborating with CTO and cross‑functional teams to design architecture, optimize performance, and integrate cloud services.

Backend Engineering Team at SeaWorld Parks & Entertainment builds secure, scalable backend services and APIs that power customer‑facing digital experiences. The Senior Backend Engineer designs stable API contracts, builds cloud‑native services on Azure, and drives automated testing and continuous improvement.

Backend Engineer at VetsEZ, building secure, scalable backend services for a large federal government healthcare technology project. The role designs, develops, and maintains APIs, enterprise integration components, and data access layers in an Agile environment, collaborating with architects, QA, DevSecOps, and product stakeholders.

Software Engineering at TalkingParents builds and ships production .NET backend services using AI-assisted development workflows. The Senior Backend Engineer designs, implements, and maintains C#/.NET APIs, Azure Functions, and SQL Server data layers while reviewing AI-generated code and guiding prompts.

ML Content Understanding team at Scribd, Inc. powers metadata extraction and content understanding across Scribd's products, processing billions of documents and images at massive scale. The Senior Backend Engineer designs and optimizes event‑driven, distributed Python services on AWS, collaborates with data science and ML engineering to integrate models, and leads technical mentorship.

Citigroup seeks a seasoned Java Backend Engineer to design, develop, and maintain high‑performance backend services and RESTful APIs. The role involves coding in Java, collaborating with cross‑functional teams, ensuring code quality through reviews and testing, and troubleshooting production issues.