Top Senior Software Engineer Jobs in Tallahassee, FL

The Senior Software Engineer will impact the architecture and development of a new platform, building scalable solutions and enhancing technical practices in a collaborative environment.

Design and implement a shared Rust core used across desktop, mobile, and backend. Drive architecture decisions around CRDTs and distributed systems, integrate Rust components with frontend/mobile/backend teams, and improve performance, reliability, and maintainability.

Design, build, and maintain FeeNavigator features across backend and frontend. Optimize MySQL queries, write unit/integration/end-to-end tests, refactor complex code, document architecture, participate in code reviews, collaborate with Product and SRE, diagnose incidents and performance issues, and contribute to development process improvements.

Build and maintain core backend components of a secure software-supply-chain clearing house in Go on GCP. Own features from design to production, handle unstructured-to-structured data pipelines, implement scalable architecture, contribute IaC with Terraform, participate in on-call and incident response, and lead multi-engineer efforts with strong operational observability.

The Senior Software Engineer will develop and maintain Chainguard OS's Elastic Build service and tooling, focusing on automation and system reliability, while ensuring documentation and transitioning of shared libraries.

The Senior Software Engineer will develop and enhance features for the Keeper Browser Extension, ensuring quality, security, and performance, while collaborating with cross-functional teams and following coding best practices.

Optimize Ubuntu integration across latest IoT and server-class hardware, lead customer engagements, and work with open source communities in a remote, collaborative environment.

The role involves architecting scalable backend systems and data pipelines, providing technical leadership, and ensuring best practices in software development.

The Staff Software Engineer on the AUE team is responsible for designing and maintaining offensive cybersecurity services, mentoring team members, managing projects, ensuring code quality, and driving technical direction within a collaborative environment.

Design, build, operate, and evolve backend services and runtime infrastructure for cloud orchestration and job execution. Own distributed, asynchronous systems, APIs, workers, persistence, and service-to-service coordination. Improve reliability, observability, testing, and operational tooling; lead cross-team designs and mentor engineers.

Lead design and architecture of cloud-first, full-stack enterprise software. Provide technical leadership, mentor engineers, promote automated testing and CI, improve scalability, troubleshoot issues, and deliver complex projects on time.

Lead software engineering efforts for the Proton platform, focusing on system design, mentorship, and innovative drug discovery projects. Collaborate with cross-disciplinary teams to enhance engineering processes and standards within a minimalist organizational structure.

Design, build, and optimize scalable cloud and web software with focus on infrastructure, performance, and hardware integration for IoT devices. Collaborate with hardware teams to ensure connectivity and high availability, implement new features, and improve system efficiency.

Serve as technical lead for software development, testing, deployment support, release management, requirements analysis, defect resolution, and technical oversight for MIS. Lead development, testing, UAT, Section 508 compliance, performance/capacity testing, documentation, and modernization/migration efforts.

Lead architecture and technical strategy across an infrastructure platform ecosystem. Drive hands-on architectural improvements to graph engine and backend services, reduce technical debt, establish standards, champion AI-first engineering practices, run architecture/code reviews and mentorship, and collaborate with product and leadership to ensure scalable, extensible systems.

The Senior Software Engineer will design and build scalable backend systems, integrate third-party mortgage platforms, and optimize AI-powered features to enhance mortgage underwriting processes.

Lead design and delivery of customer-facing data product applications, building full-stack experiences (frontend, backend, APIs) using TypeScript, React, Node.js, and Python. Partner with Product and data teams to convert analytics and prototypes into production-grade workflows, establish software engineering best practices, mentor engineers, and prioritize customer value through testing, observability, and operational ownership.

Design and scale core infrastructure for an exchange platform focusing on latency and performance, while building APIs and managing technical relationships with clients in the sports prediction market.

Lead design, implementation, and operation of Signifyd's GCP/Kubernetes cloud platform. Architect scalable, secure infrastructure, embed AI-driven automation, own SLOs and incident response, improve developer experience via CI/CD/GitOps tooling, mentor engineers, manage cloud capacity/FinOps, and build observability and security into the platform.

Lead design and development of highly available payment processing, subscription billing, settlement, refunds, and reporting systems. Integrate with external payment processors and APMs, ensure automated build/test/deploy pipelines, debug production issues, optimize performance, decompose features for incremental releases, conduct design/code reviews, mentor junior engineers, and incorporate regulatory requirements (PCI‑DSS, PSD2/SCA, 3DS2).

Lead frontend architecture and technical direction for shared UI systems and design system. Build, maintain, and document reusable component libraries; collaborate with UX, product, and engineering. Champion accessibility, testing, performance, and design-to-code workflows. Mentor engineers, review contributions, and deliver major UI initiatives end-to-end while balancing technical debt and product needs.

Own and evolve high-scale backend and data-layer services. Design, build, test, and operate distributed backend services and APIs, improve reliability/latency/scale, take end-to-end ownership from design through production support, participate in on-call and incident response, and mentor peers while partnering with Product and SRE teams.

Lead full-stack development using React, Node and TypeScript. Design scalable architecture, write and review code, ensure performance, accessibility and security, mentor off-shore teams, participate in Agile ceremonies, support production (including weekends/off-hours), and collaborate with cross-functional teams to deliver business-critical applications.

Design, build, deploy, and operate backend services, APIs, integrations, and web applications. Own end-to-end features, improve CI/CD and observability, troubleshoot cross-service issues, participate on-call, and collaborate with product and leadership to deliver reliable production systems.

Design, build, and maintain scalable backend services and APIs for loan origination and servicing. Own features end-to-end, improve performance, reliability, CI/CD, mentor engineers, and translate complex financial requirements into reliable technical solutions.