Top Senior Software Engineer Jobs in Jacksonville, FL

Develop and lead implementation of mathematical optimization models for supply chain applications. Investigate heuristics and optimization techniques, translate real-world problems into software, and design comprehensive testing strategies. Build robust C++ software, automated functional, regression, and performance tests, and collaborate with agile teams. Apply AI and other tools to accelerate development while maintaining architectural consistency, security, and code quality. Review AI-generated code for correctness, integration risks, and edge cases.

Develop and maintain automated testing tools and frameworks for complex healthcare software. Create test plans, execute white-box, black-box, UI, API, and performance testing, identify defects and testing gaps, improve CI/CD processes, and collaborate with product managers and developers to support high-quality releases. The role also involves debugging code, participating in demos, and working with distributed teams in a remote environment.

Designs, develops, tests, and maintains complex distributed software systems. Leads design and code reviews, translates requirements into scalable solutions, guides agile sprint teams, resolves delivery impediments, collaborates with stakeholders, and mentors engineers. The role emphasizes high-quality backend development, cloud technologies, APIs, microservices, containerization, security, scalability, and technical strategy.

Designs, develops, and maintains complex software test automation frameworks, tools, libraries, and performance tests. Integrates automated testing into CI/CD pipelines, analyzes test results, enforces coding standards, reviews code, troubleshoots issues, and mentors junior engineers. Collaborates cross-functionally to support quality releases and develops reusable testing solutions using modern programming languages, cloud platforms, containerization, API testing, and automation technologies.

Design, develop, and maintain complex distributed software systems. Write tested, scalable code; translate requirements into robust designs; lead design and code reviews; guide sprint teams; collaborate with stakeholders; and mentor engineers. The role emphasizes software quality, security, compliance, maintainability, technical strategy, and delivery of new features across applications.

Designs, develops, tests, and maintains complex distributed software systems. Leads design and code reviews, translates product requirements into scalable solutions, leads sprint teams, removes delivery impediments, collaborates with stakeholders, and mentors engineers. The role emphasizes backend development, cloud technologies, microservices, APIs, databases, containerization, DevSecOps, technical strategy, and delivering secure, maintainable, high-quality software.

Design, develop, test, and maintain complex distributed software systems with strong frontend expertise. Lead design and code reviews, translate requirements into scalable and secure solutions, guide sprint delivery, remove impediments, collaborate with stakeholders, and mentor engineers. The role emphasizes modern web applications, APIs, microservices, cloud platforms, containerization, DevSecOps, and technical strategy.

Provides technical leadership across multiple agile engineering teams, designing, developing, and maintaining complex distributed software systems. Responsibilities include writing and reviewing code, translating requirements into scalable designs, leading architecture and code reviews, resolving delivery impediments, mentoring engineers, and collaborating with product managers on roadmap planning and prioritization. The role requires expertise in backend development, cloud platforms, microservices, databases, APIs, messaging, containerization, DevSecOps, and operational excellence.

Designs, develops, tests, reviews, and maintains complex distributed software systems. Leads sprint teams, translates product requirements into scalable and secure designs, drives code and design reviews, collaborates with stakeholders, removes delivery impediments, and mentors engineers. The role requires strong software development, architecture, API, database, messaging, containerization, DevSecOps, and technical leadership experience, with preferred expertise in Java, Spring Boot, MongoDB, cloud platforms, and AI-assisted development tools.

Provides technical leadership across multiple agile teams, designing, developing, testing, and maintaining complex distributed software systems. Leads architecture and code reviews, translates product requirements into scalable solutions, removes delivery impediments, collaborates with product managers and stakeholders, and mentors engineers. The role requires backend development, cloud technologies, microservices, APIs, messaging, containerization, DevSecOps, observability, and technical strategy experience.

Design, develop, and maintain complex test automation frameworks, tools, libraries, and performance tests. Integrate automated testing into CI/CD pipelines, establish coding standards, analyze test results, and drive automation strategies. Collaborate with cross-functional teams, review code, troubleshoot framework issues, and mentor junior testing engineers. The role also supports cloud, containerization, DevSecOps, API, UI, and performance testing initiatives.

Provides technical leadership across multiple agile teams, designing and developing complex distributed software systems. Responsibilities include coding, system design, code and design reviews, roadmap delivery, stakeholder collaboration, mentoring engineers, and driving technical strategy, quality, scalability, security, observability, and operational excellence. The role requires extensive software engineering experience, multi-team leadership, distributed systems expertise, and proficiency with modern programming languages, cloud platforms, microservices, containers, APIs, messaging, and DevSecOps.

Designs, develops, tests, and maintains complex distributed software systems. Leads design and code reviews, translates product requirements into scalable solutions, leads sprint teams, removes delivery impediments, collaborates with stakeholders, and mentors engineers. The role emphasizes high-quality coding, microservices, APIs, cloud and container technologies, secure and compliant systems, technical strategy, and continuous improvement.

Design and develop reliable cloud services and infrastructure using C#/.NET, Azure, and Kubernetes. Build and operate AKS environments, manage compute and networking infrastructure, create CI/CD and deployment automation, and support monitoring and operational tooling. Troubleshoot distributed services and Linux container technologies while contributing to platform capabilities involving Azure Arc, KubeVirt, AKS Flex Nodes, and F#.

Develop and support customized Acumatica ERP solutions using the Cloud xRP Platform, C#/.NET, T-SQL, APIs, workflows, dashboards, and reports. Translate business needs into technical specifications, build integrations, conduct testing, troubleshoot issues, document solutions, and collaborate with clients, analysts, project managers, and technical teams. The role also provides technical guidance, manages multiple assignments, and supports continuous improvement.

Design, build, deploy, and operate a high-concurrency, resilient configuration and publishing platform. Lead cross-team projects, set technical direction, improve engineering productivity, optimize performance, and maintain end-to-end ownership of distributed systems at scale.

Lead the Mapping Engineering team as a Staff Software Engineer, focusing on designing scalable distributed backend systems for autonomous vehicle mapping, collaborating with cross-functional teams, and mentoring engineers.

As a Senior Software Engineer at Babylist, you will develop systems for a high-volume marketplace, collaborating on advertising, commerce features, and infrastructure while leading projects and improving processes with AI-driven methodologies.

Architect, build, and maintain scalable full‑stack applications using React, TypeScript, Node.js, and AWS. Own features end-to-end, optimize performance and usability, collaborate with founders, and use AI tools to accelerate development in a fast-paced startup.

Provides technical leadership for designing, developing, optimizing, porting, and certifying GPGPU and AI inference libraries built on Vulkan SC drivers. The role targets embedded GPU platforms such as Arm Mali and Intel, maintains AI model testing infrastructure, defines validation standards, supports customer deployments, and troubleshoots drivers. It also involves documentation, competitive analysis, cross-functional architecture decisions, mentoring, onboarding, and exploring emerging AI compute capabilities.

Design, build, and maintain scalable backend services and infrastructure for Roadie’s logistics platform. Identify performance bottlenecks, improve reliability, collaborate with Product, Data Science, and engineering teams, contribute to code reviews and technical practices, and own projects from concept through production.

Lead end-to-end design and delivery of AI-infused, enterprise full-stack applications on Azure. Architect resilient solutions, build Copilot/agentic features, enforce engineering best practices, mentor engineers, collaborate with PM/UX teams, ensure quality/reliability, and support production services and integrations.

Build and optimize high-throughput Java backend systems processing hundreds of millions of contact profiles. Design scalable solutions for entity resolution, data quality, attribute selection, and contact publication. Develop testing frameworks and rules for fragmented data, collaborate with data scientists and engineering teams, and contribute to architecture, performance, scalability, and technical strategy across the Person Data platform.

Build zero-to-one products from prototype through production, working through ambiguity and partnering closely with product, design, and customers. Develop scalable systems, run experiments and technical spikes, influence product direction, and uphold reliability, performance, engineering standards, and customer experience. Mentor engineers and contribute to architecture, coding practices, and cross-functional collaboration.

Design and build high-volume, low-latency Conversion APIs and audience onboarding systems to ingest consented advertiser events (server-to-server, pixel, batch). Develop streaming and batch pipelines (Kafka, Flink), enable deduplicated identity-enriched datasets for retargeting, optimization, measurement, and reporting while ensuring privacy and regulatory compliance. Collaborate cross-functionally and provide technical leadership.