Top Senior Ruby Jobs in Miami, FL

Provides technical leadership for site reliability and operational development. Designs automated, repeatable cloud and infrastructure solutions; monitors service objectives and business metrics; improves application resiliency, performance, efficiency, and cost. Builds monitoring, deployment, testing, and vulnerability-response automation while supporting mission-critical production systems. Collaborates with software, security, product, and business teams, conducts technical training and resilience exercises, and promotes sound development, change-management, and operational practices.

Lead architecture and delivery across Rails backends and React frontends, build Node.js and NestJS platform integrations, establish testing and code-quality standards, mentor engineers, review code, and improve reliability, performance, and developer experience. The role requires technical ownership across multiple backend technologies and leadership in AI-assisted development practices.

Design, develop, and implement scalable software solutions and modern applications for consumer banking. Collaborate in an Agile environment, contribute to architectural and design decisions, build distributed service-based components, and incorporate scalability, manageability, and maintainability. The engineer will work across multiple initiatives, collaborate with teammates, mentor engineers, and help deliver consumer-facing products.

Build and maintain full-stack features across Ruby on Rails, React, and Flutter. Own work from architecture through production deployment, translate ambiguous user needs into pragmatic solutions, make architectural decisions, improve reliability and performance, address technical debt, resolve production issues, mentor teammates, and help establish engineering standards in a remote-first startup environment.

Build and maintain full-stack features across Ruby on Rails, React, and Flutter. Own work from architecture through production deployment, translate user needs into pragmatic solutions, make architectural decisions, improve reliability and performance, address technical debt, resolve production issues, mentor teammates, and help establish engineering standards in a remote-first startup.

Build and maintain full-stack features across Ruby on Rails, React, and Flutter. Own architecture, development, deployment, reliability, and performance of critical systems. Translate user needs into pragmatic solutions, address technical debt, mentor teammates, contribute to engineering standards, and resolve production issues. The role requires strong backend expertise, database knowledge, security awareness, startup adaptability, and product-minded ownership.

Build and scale backend systems for a high-traffic donor CRM and payments platform. Own performant SQL and realtime querying, optimize payment flows, implement AI agents, and collaborate across product and design to ship resilient, production-grade features at scale.

The Staff Engineer will lead the Systems team, design scalable cloud infrastructure, optimize data pipelines, and ensure platform reliability and security.

Lead the Lister engineering domain, owning roadmap, delivery, technical health, partner data quality, and team growth. Manage three pods via team leads, stay hands-on with architecture and code reviews, partner cross-functionally, own intake and reliability, and hire/mentor engineers to scale backend services and data pipelines that integrate messy third-party partner systems.

Build and maintain resilient backend systems, participate across the product development lifecycle, collaborate with product and design, raise engineering standards, think through system lifecycles and failure modes, and contribute broadly at an early-stage fintech. Work primarily with backend technologies (Go preferred) and cloud/datastore tools.

The Senior Software Engineer will design and develop backend systems and APIs, mentor other engineers, and resolve complex integration challenges in healthcare technology.

Lead post-sales integrations and implementation projects for software partners, translating business needs into technical solutions, managing project plans, documentation, KPIs, and cross-functional coordination while providing ongoing integration support and product expertise for Payabli's payments platform.

Lead the Lister engineering domain end-to-end: set roadmap and technical vision across three pods, ensure partner data quality and system reliability, develop team leads and engineers, drive architecture and code review, manage incident/on-call processes, and partner with Product, Design, Analytics, and Partner Success to translate ambiguous partner needs into scoped engineering work.

Own and evolve Fieldwire's cloud production infrastructure and tooling: design and automate SDLC and IaC, ensure reliability and security, lead incident response and observability, mentor engineers, and drive platform architecture and process improvements.

Design and build the control plane for Postgres clusters, ensure data protection, automate database operations, and collaborate with customers to enhance the platform.

The Senior Infrastructure Engineer will own the cloud stack, enhance observability, architect browser cloud infrastructure, debug operational issues, and mentor other engineers, while managing multiple production workloads at scale.

As a Senior Software Engineer, you will develop efficient systems to enhance healthcare delivery and collaborate with various teams to innovate features for patient care tools.

Lead architecture and build scalable, secure production services while championing AI-native development. Mentor engineers, influence technical direction, review PRs, and help evolve a legacy monolith to a modern stack in partnership with product and exec leadership.

The Senior Software Engineer will lead projects, architect solutions, mentor junior staff, and work full stack on platform development.

Design, build, and own AWS infrastructure and automation for a 24/7 SaaS platform. Implement scalable, secure, highly available systems, partner with developers to improve reliability and performance, maintain critical infrastructure, build tooling and processes to reduce toil, participate in weekly on-call rotation and lead RCA and durable fixes.

As a Senior Software Engineer, you will design and build backend services for Postgres integration with ClickHouse, ensuring operational excellence and contributing to automation and tooling for database management.

Design, build, test, refactor, and maintain production Rails software using Rails, Bootstrap, Stimulus, and Postgres. Own a defined codebase area, design data models, review code, maintain disciplined testing, collaborate with product managers, and mentor 1–3 junior engineers. Contribute in a fast-moving startup environment, evaluate third-party tools and APIs, and use AI development tools such as Claude Code or Codex.

Assess, design and improve AWS/Azure cloud environments for security, cost, networking, storage, serverless and containerized deployments. Provide L2+ incident support, create SOPs, mentor junior staff, support Linux/Windows servers, document architecture, participate in governance/change processes, and join a 24/7 on-call rotation.

Lead and own AWS infrastructure for an LLM-powered enterprise coaching product. Design scalable IaC (Terraform, Ansible), CI/CD, autoscaling, networking and security (SIEM, EDR/XDR). Optimize costs, ensure high availability, collaborate with application and AI teams, and implement enterprise-grade security and compliance for Fortune 500 deployments.

Design, build, and maintain full‑stack services and tooling that power Stripe's global support operations. Expand live channel integrations (voice/messaging) including Greater China platforms, debug production issues, collaborate cross‑functionally, and improve engineering standards and processes.