Source Job

Brazil

  • Develop and evolve authentication and authorization features, including central login and role-based access control.
  • Build audit and event traceability mechanisms, plus metrics, logs, and dashboards for observability.
  • Integrate with identity providers and internal services, and create tests to ensure quality, security, and maintenance.

React TypeScript Node.js NestJS OAuth 2.0

20 jobs similar to Mid-Level Fullstack Developer

Jobs ranked by similarity.

Brazil

  • Design, develop, and integrate full-stack application components using React and Java 21/Spring Boot.
  • Build scalable web applications and implement RESTful APIs, microservices, and enterprise integrations.
  • Ensure code quality, performance, and security (OAuth2, OIDC, JWT) while supporting production systems with monitoring and on-call rotation.

CI&T helps large enterprises transform AI potential into real business impact with AI Deployment and tech-integrated solutions. With 30 years of experience, we are 8,000 CI&Ters across more than 25 countries, collaborating to build impactful solutions.

Brazil

  • Design, develop, and maintain web applications using React and TypeScript, and backend services with Kotlin.
  • Collaborate with product managers, UX designers, and engineers to deliver scalable solutions from development to production.
  • Write automated tests, participate in code reviews, and contribute to CI/CD pipelines and cloud deployments.

Capco is a global technology and business consultancy focused on the financial services and energy sector. With 40 offices across the Americas, Europe, and Asia-Pacific, we foster an inclusive culture and value diversity through internal committees.

Brazil

  • Develop backend services using TypeScript, NodeJS, NestJS, Fastify with advanced patterns (decorators, DI, modules, event emitter, cache manager, middleware, guards).
  • Apply hexagonal architecture, event-driven architecture, Clean Arch, and SOLID principles.
  • Work with MongoDB, Kafka, Redis, and implement testing strategies including unit, integration, and e2e tests.

CI&T helps large companies transform AI potential into real business impact with AI deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience, we are 8,000 CI&Ters across 25+ countries, collaborating to build solutions with real impact, and AI is part of how we work every day.

Brazil 6w PTO

  • Develop and maintain scalable, high-performance applications with a strong focus on usability and user experience.
  • Work across full stack to build digital products from concept to deployment.
  • Collaborate with designers, product managers, and other developers to deliver high-quality solutions.

The company builds critical digital products for some of Brazil's largest companies. It values technical excellence, transparency, collaboration, and ownership.

Brazil

  • Build and evolve distributed systems and microservices for significant scale.
  • Develop reliable APIs using REST and GraphQL with TypeScript and Node.js.
  • Collaborate with cross-functional teams to translate complex needs into valuable solutions.

The partner company builds scalable distributed systems that serve millions of users. They maintain a remote-first culture emphasizing autonomy, continuous learning, and technical excellence.

Brazil Portugal

  • Build scalable web applications using React and Node.js to support growth and SEO initiatives.
  • Collaborate with engineering, Growth, and SEO teams to deliver solutions across thousands of web pages.
  • Maintain and improve existing web applications while contributing to process improvements and Agile ceremonies.

A technology company focused on performance marketing, growth, and generative engine optimization. The team is collaborative, autonomous, and cross-functional, with a culture of shared responsibility and learning from mistakes.

Brazil

  • Design and develop end-to-end applications using TypeScript, Node.js, NestJS, Express, and React.
  • Build and evolve distributed platform architecture with microservices, messaging, and AI capabilities using Python.
  • Collaborate in an agile environment, participate in code reviews, and share knowledge to improve engineering standards.

The company is building an AI-powered platform for marketing operations. It values clean code, technical ownership, collaboration, and continuous knowledge sharing, and operates as a fully remote team.

Europe

  • Own the entire SDLC: codebase, architecture, and operations.
  • Design and implement new features across identity, organization, membership, group, and workspace domains.
  • Manage integrations with other JCP platform components and connected applications.

JetBrains creates developer tools that help software teams be more productive. With over 1,000 employees worldwide, the company fosters a culture of innovation and flexibility, offering remote work options and continuous learning opportunities.

Netherlands

  • Build and maintain full-stack experiences using TypeScript, React, and Go, focusing on developer portals and compliance workflows.
  • Design and implement secure APIs and integrations connecting identity, account, trading, and market data systems.
  • Collaborate with cross-functional teams to transform manual processes into scalable, self-service solutions.

Alpaca Connect builds tools and services for developers to launch and manage applications on a financial technology platform. The company operates with a globally distributed team and emphasizes a collaborative, high-trust environment.

Brazil

  • Design and build scalable backend services and modern web interfaces for a cloud-based enterprise platform.
  • Build resilient systems with asynchronous processing, fault-tolerant patterns, and enterprise-grade security.
  • Contribute to architectural decisions and mentor developers to raise engineering standards.

CI&T helps large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience and 8,000 employees across more than 25 countries, they collaborate to build solutions with real impact.

Brazil 3w paternity

  • Develop fullstack applications with a stronger focus on frontend using React.
  • Build and maintain APIs and services using .NET/C#.
  • Work with relational and NoSQL databases, automated tests, and messaging architectures.

CI&T helps large enterprises transform AI potential into real business impact with AI deployment, AI-native execution, and tech-integrated solutions. With 30 years of experience, they are 8,000 CI&Ters across 25+ countries, collaborating to build solutions with real impact.

$114,000–$142,000/yr
US Unlimited PTO

  • Build and operate authentication services including SSO, OAuth2, and token lifecycle.
  • Build APIs and internal tooling for managing user data and access controls.
  • Collaborate with product management, design, and engineering to solve complex use cases.

New Relic builds an intelligent observability platform that helps companies understand their complex systems. The company is a global team of innovators dedicated to shaping the future of observability.

$93,750–$120,000/yr
Canada

  • Ship full-stack features that meet quality, performance, and UX standards from the first milestones of the new web app.
  • Collaborate closely with Product and Design to translate user needs into simple, well-crafted experiences.
  • Integrate Microsoft APIs (Graph, Azure AD, MSAL) securely and help shape the team's technical choices.

ShareGate is the leading Microsoft 365 migration and governance platform, trusted by over 100,000 IT pros for its simplicity and reliability. It is developed by Workleap Technologies, a Montréal-based software company with a fast-moving, builder culture that embraces AI-assisted development.

Portugal 5w PTO

  • Lead a high-conversion self-service product for global B2B partner onboarding.
  • Architect and oversee robust experimentation setups using Growthbook for safe parallel A/B testing.
  • Manage a blended architecture of React/TypeScript frontend and Kotlin/AWS backend, integrating with Salesforce.

Wellhub is revolutionizing workplace wellness by connecting employees to fitness, mindfulness, therapy, nutrition, and sleep partners through a single subscription. Headquartered in NYC with a global team, we foster a culture of wellbeing, collaboration, and innovation, and are committed to diversity and equitable pay.

Brazil

  • Develop modern user interfaces using React and Next.js.
  • Integrate applications with REST APIs and Headless CMS platforms.
  • Write and maintain unit and integration tests to ensure reliable releases.

The partner company is a technology-driven organization focused on building high-quality digital experiences. They foster a collaborative environment with a focus on quality, scalability, and continuous improvement.

Canada 4w PTO 16w maternity 16w paternity

  • Define technical strategy and direction for platform capabilities that scale with rapid business growth.
  • Design, build, and evolve scalable APIs, SDKs, and platform abstractions used by internal teams and customers.
  • Mentor engineers and establish reusable design patterns to raise engineering standards across the team.

This company powers a large-scale ecosystem of integrations and trust automation. It is a fast-growing, remote-first organization that values technical excellence and collaboration.

$3,000–$3,200/mo
Latin America

  • Design and develop scalable, responsive web applications using React, TypeScript, Next.js or Vite.js.
  • Build and maintain backend services and APIs with Node.js and NestJS, integrating databases and third-party services.
  • Optimize performance, scalability, and developer experience while participating in code reviews and technical discussions.

GoFasti is a Talent-as-a-Service that bridges world-class developers and designers from Latin America with first-class companies globally. The company operates remotely with a focus on connecting top talent to high-growth opportunities.

Brazil

  • You will develop and evolve features for React Native, React, and Vue.js applications.
  • You will participate in the full development lifecycle, including code reviews, testing, and releases.
  • You will contribute to architectural decisions and help reduce technical debt.

Our partner is a company operating in the financial ecosystem, developing digital products with an active user base. The company values quality, performance, and reliable delivery in a collaborative technical environment.

Brazil

  • Develop and evolve a scalable, high-performance solution, handling technical needs and participating in inceptions and refinements.
  • Work on backend with Java 8 and 21, and frontend with Angular 8+, Node.js, and microservices.
  • Write automated tests, use Azure cloud, Docker, Git, and follow CI/CD and project patterns, while ensuring code quality and continuous improvement.

CI&T helps large companies transform AI potential into real business impact with AI deployment, AI-native execution, and tech-integrated solutions. With 30 years of experience, we are 8,000 CI&Ters across 25+ countries, collaborating to build solutions with real impact, where AI is part of how we work daily.

US

  • Design, develop, and maintain shared components, libraries, and common services using Next.js / TypeScript / Chakra UI.
  • Oversee and optimize Kong API Gateway services, including LUA scripting, and partner with Infrastructure on cloud deployments.
  • Implement and improve monitoring and observability capabilities using Datadog to maintain system health and operational visibility.

IPSY is the beauty industry's most powerful platform, uniting brands, creators, and hyper-engaged consumers through beauty memberships. We are a remote-first company with a diverse team that values self-discovery, self-expression, and confidence.