Top Senior Software Engineer Jobs in Tallahassee, FL

Build and maintain the AI-powered learning platform across a TypeScript/React frontend and Python/FastAPI backend. Integrate LLMs for classification, extraction, personalization, and conversation practice. Design scalable APIs, develop real-time interactive features, apply AI-assisted development workflows, write well-tested code, and collaborate with product, design, and education teams to optimize learning experiences and A/B tests.

Design, develop, and maintain advanced software systems. Collaborate with product, design, and engineering teams. Write clean, scalable code, perform code reviews, debug complex issues, and stay current with technologies.

The Senior Full Stack Engineer will design and operate identity systems, implement AI-driven efficiencies, mentor engineers, and ensure high-quality code in an AI-first environment.

The Full Stack Software Engineer will design, maintain scalable solutions, and collaborate with teams to enhance software quality, focusing on Ruby on Rails and AI integration.

The Full Stack Software Engineer will design and maintain scalable applications, focusing on Ruby on Rails, and collaborate with teams to enhance software quality and performance. Key responsibilities include troubleshooting, optimizing systems, and integrating AI solutions.

As a Senior Software Engineer, you'll collaborate to build and maintain automation capabilities, contribute to AI solutions, and ensure scalability, improving the user experience with software solutions.

Responsible for implementing and managing infrastructure as code (Terracore/Terraform), automating CI/CD with Jenkins, managing AWS services and Amazon EKS/Kubernetes, scripting in Bash/Python, implementing monitoring and security best practices, supporting production via on-call rotations, and collaborating with development and QA teams.

Design, develop, and maintain cloud-native applications using Node.js and React. Implement infrastructure-as-code (Terraform/CDK), deploy CI/CD pipelines, troubleshoot Linux systems, ensure secure AWS deployments, and collaborate with cross-functional teams to operate cloud workloads.

Own and scale AWS infrastructure using Terraform; design CI/CD and GitOps pipelines on Kubernetes (Helm, ArgoCD); manage service mesh (Istio), observability, security, capacity planning, cost optimization, and incident response; mentor engineers and document runbooks.

Build and maintain scalable backend microservices and developer-facing APIs, lead projects end-to-end, collaborate with product and engineering teams, design secure/versioned APIs, and manage cloud infrastructure using IaC.

Join an early-stage platform team to scale and mature a mortgage origination platform. Work across the stack to improve distributed systems, performance, observability, and infrastructure tooling, and help define engineering standards and frameworks for growth.

As a Software Engineer, you'll design and develop microservices using a cloud-native tech stack, with a focus on financial services and secure systems.

Senior Backend Software Engineer responsible for extending APIs and backend systems, working with product and design, interfacing with PostgreSQL, improving testing, and addressing architecture, security, anti-fraud, performance, scalability, personalization, and payments. Mentor peers, participate in on-call rotation, coordinate across teams, and use LLMs where appropriate to improve product and development workflows.

Design, extend, and maintain backend APIs and systems for a fashion marketplace. Work with product and design to build features, optimize performance, security, anti-fraud, payments, and scalability, mentor engineers, improve testing, operate PostgreSQL, participate in on-call, and leverage LLMs where appropriate.

Develop fullstack web applications, enhance platform performance, collaborate on high-impact opportunities, and ensure stable, scalable solutions. Engage in rapid iterations and be a committed team player.

The Senior Software Engineer will drive the retail technology initiatives at Toast, focusing on payment solutions and enhancing customer experiences. Responsibilities include collaborating on high-impact opportunities, technical decision-making, and adapting to customer needs.

Lead technical strategy and execution for multi-quarter initiatives; build and maintain AI-driven systems; mentor and raise the technical bar across teams; collaborate cross-functionally; ensure data security and HIPAA-compliant practices; operate in an AWS + Kubernetes environment while introducing new technologies as system load grows.

Lead technical strategy and architecture for Coinbase's Blockchain Platform, overseeing nodes, indexers, wallets, and asset lifecycle. Drive cross-team platform rearchitectures, enforce security and reliability standards, champion AI-driven automation, use observability to improve reliability, and represent the platform to executives to secure alignment and resources for large-scale blockchain infrastructure initiatives.

Define and drive Payments technical strategy and architecture for rails, routing, and funds-flow systems. Lead large cross-team initiatives, ensure financial correctness, improve reliability and cost via observability, mentor senior engineers, and align stakeholders across product, risk, and regulatory teams.

Lead design and implementation of Affirm's Lakehouse Platform using Iceberg, Spark, Snowflake, and cloud storage. Drive platform roadmap, governance, access controls, performance and cost optimization, analytics engineering best practices, observability, and on-call readiness. Partner cross-functionally, mentor engineers, and build scalable, secure, self-service data infrastructure and semantic/agentic data tools.

Design, build, and iterate patient onboarding systems and registration/eligibility flows. Own end-to-end projects, run experiments, optimize for performance, correctness, and resilience, and provide technical leadership, mentoring, and cross-functional collaboration with Product, Design, and Analytics.

Lead the technical direction of Care & Onboarding platforms by driving architectural decisions, overseeing large initiatives, and enhancing engineering quality.

As a Senior Full-Stack Engineer, you will design and deploy solutions for state governments, ensuring high standards of security and privacy while leading cross-functional teams.

The Senior SRE Engineer will design, build, and maintain resilient infrastructure systems, manage infrastructure-as-code, and write tooling in various languages.

As a Senior iOS Engineer at Speechify, you'll lead engineering decisions, enhance the iOS app, work with a product team, and maintain existing architecture.