• Ship full-stack AI projects end-to-end on a product built in Ruby on Rails backend and React frontend. • Design and run experiments (including A/B tests, AI evaluations, or others) to validate AI features, measure impact, and guide iteration. • Build and integrate components for AI infrastructure and optimize them for performance and reliability to support production-level inferencing. • Improve processes, tools, and systems to scale AI features into production-ready solutions. • Help us stay up-to-date with the cutting-edge AI research, techniques, and tools. • Work closely with Circle's leaders and designers throughout the feature design process. • Foster a bias for action by prioritizing speed of iteration, experimentation, and learning, while maintaining high standards of code quality and user experience.

• Apoiar na configuração e customização de módulos do ServiceNow • Atuar em ajustes de formulários e processos de ITSM • Criar e manter fluxos de trabalho, formulários e configurações da plataforma • Atender demandas Pequenas (P) de forma autônoma • Apoiar o Sênior em demandas Médias (M) e Grandes (G) • Auxiliar em migração e evolução de processos • Trabalhar em conjunto com equipe de UI e Analistas de Requisitos • Traduzir necessidades de negócio em soluções técnicas • Identificar e corrigir problemas em configurações e fluxos existentes • Apoiar iniciativas de melhoria contínua e expansão do catálogo

• Build our back-end system and front-end systems including architectural patterns, technical specifications and designs to managing our database • Write code and build the software that will allow us to scale as we launch new products, enter new markets and expand into new healthcare categories • Help us improve the reliability of our platform through rigorous testing, observability, and monitoring and identify areas for system optimization and improvement • Manage the flows of communication between all levels of the stack to maximize efficiency and establish sound engineering practices and frameworks • Mentor junior members of the team

• The Senior Full Stack Engineer is responsible for designing, developing, and maintaining both the front-end and back-end components of Deel’s platform. • You will work on a wide range of technologies and systems, from the user-facing interface to the server-side infrastructure, ensuring seamless integration across Deel’s global platform. • You will be part of a cross-functional team that collaborates closely with Product, Design, and DevOps teams to deliver high-quality, scalable, and secure solutions that power Deel’s global workforce and payroll services. • You will develop high-quality, responsive web applications using TypeScript, Javascript, React, Express. Experience with NestJS, Vite, and Next.js is a plus. • You will design and implement server-side APIs, data models, and business logic using mainly Express framework. • You will create client-side function-based React components, hooks, stories, and tests to interact with your server-side work. • You will create and optimize database schemas, queries, and interactions with Postgres. • You will build reusable and modular components on both the front and back end that promote code reusability, maintainability, and scalability. • You will perform thorough testing, debugging, and troubleshooting of applications to ensure high-quality deliverables. • You will stay updated with emerging web development trends, frameworks, and best practices, and recommend improvements to enhance development processes. • You will participate in code reviews and provide constructive feedback to team members to maintain code quality standards. • You will communicate project progress, challenges, and solutions effectively to team members and stakeholders. • Contribute to the continuous improvement of development processes, methodologies, and tools.