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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.

React TypeScript Kotlin JavaScript REST APIs

20 jobs similar to Fullstack Developer - Mid Level

Jobs ranked by similarity.

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.

LATAM

  • Update and upgrade outdated libraries, dependencies, and frameworks to keep the application stable and secure.
  • Add and expand unit test coverage across the application, testing thoroughly to validate stability and functionality after upgrades.
  • Collaborate with the client's engineering team to align on priorities and progress, working independently on a legacy codebase.

Software Mind is an engineering team that helps top-notch companies ramp up their projects with high-quality technology solutions. We are a multicultural company in constant growth with an excellent work environment certified by Great Place To Work.

$2,850–$4,750/mo

  • Build the web-based operator experience for configuring and managing the internet simulation platform using React and TypeScript.
  • Design reusable frontend architecture and integrate with control-plane API for asynchronous operations.
  • Contribute to backend services and collaborate with cross-functional teams to ensure cohesive feature delivery.

SimSpace provides an AI Proving Ground for organizations to train, test, and outmaneuver adversaries through realistic live-fire simulations. Founded in 2015 by cyber command and MIT Lincoln Lab experts, the company fosters a human-centered culture of continuous learning and growth.

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.

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 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.

CI&T helps large companies turn AI potential 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 25+ countries, they foster a collaborative culture where AI is embedded in daily work.

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

  • Develop and maintain modern web applications using recent versions of Angular.
  • Collaborate closely with backend developers, UX/UI professionals, and product teams.
  • Ensure applications provide responsive, accessible, and consistent user experiences.

This position is listed on behalf of a partner company, which manages all applications and next steps. The company culture is focused on collaboration, diversity, respect, ethics, and knowledge sharing.

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

  • Design, develop, and maintain web applications, internal tools, and integrations across multiple platforms.
  • Build front-end interfaces, back-end logic, APIs, and database connections, optimizing CMS platforms like WordPress.
  • Troubleshoot technical issues, analyze data, and create dashboards to support business decision-making.

The hiring company is a partner organization that focuses on technology solutions. The company values independence and collaboration in a remote environment, with a culture that emphasizes cross-functional teamwork and ownership.

Slovakia

  • Build modern frontend applications using React and TypeScript.
  • Integrate with REST APIs and WebSockets for seamless backend connectivity.
  • Apply test-driven development with React Testing Library, Cypress, and Playwright.

Deutsche Telekom IT Solutions Slovakia is a major IT services provider in Košice, Slovakia. With over 3,900 employees, they are the second largest employer in eastern Slovakia, focused on innovative ICT solutions.

Canada 8w maternity 8w paternity

  • Architect and implement new features while maintaining existing functionality.
  • Debug and investigate bugs reported by customers.
  • Partner with Product and Design teams to plan feature development.

GoodTime is the leader in complex interview scheduling automation for enterprise talent teams. The company fosters a Culture of Entrepreneurship built on autonomy, accountability, and collaboration.

Canada

  • Develop features and responsive UIs using React, build scalable backend APIs with Node.js, and contribute to data-driven microservices with Python.
  • Write unit tests, participate in code reviews and Agile/Scrum ceremonies, and collaborate with designers and analysts to deliver reliable technical solutions.
  • Optimize application performance, design secure architectures, and contribute to CI/CD pipelines and Git-based workflows.

Jobgether is a platform that uses AI-powered matching to connect candidates with jobs. They operate globally, focusing on efficient and fair recruitment processes.

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.

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 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.

India

  • Own the full lifecycle of features: from requirements gathering and UI/UX collaboration to backend API integration and deployment
  • Collaborate closely with product and design to shape features that solve real user problems
  • Implement clean, performant, and accessible UI using React, TypeScript, and modern frontend practices

HighLevel is an AI-powered business operating system that gives agencies, entrepreneurs and SMBs the infrastructure to build, automate and scale. With over 2,000 team members across 10+ countries, it operates as a global, remote-first organization built for speed and ownership.

$80,000–$100,000/yr
US

  • Design, develop, and test new features in an existing codebase.
  • Develop full stack expertise in React, Java, Ruby on Rails, and Postgres.
  • Collaborate with product managers, designers, and engineers to improve member experience.

HealthEdge provides AI-powered operational infrastructure for health insurance companies. They are a growing team investing in their people and shaping the future of healthcare technology.

Portugal Brazil

  • Design, develop, and maintain high-quality applications using C# and the Microsoft technology stack.
  • Build and integrate RESTful APIs and develop front-end applications using React.
  • Contribute throughout the full development lifecycle within Agile/Scrum teams.

TXP is a software company that works on internal and customer-facing digital projects. They emphasize a collegial environment with shared responsibility and a culture of learning from mistakes.

Brazil

  • Develop modern, responsive web interfaces using React and JavaScript in a collaborative environment.
  • Work closely with design and backend teams to deliver seamless, high-quality applications.
  • Participate in code reviews, automated testing, and performance optimization to ensure scalable frontend code.

A partner company in the technology sector is looking for a frontend software engineer. The company values collaboration, continuous learning, and diversity, offering a supportive environment with career growth opportunities.