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Europe South America

  • Write elegant, efficient, and testable React and Ruby code.
  • Implement and maintain Ruby on Rails APIs for seamless front-end/back-end communication.
  • Cover code with tests, perform manual testing, and review colleagues' work.

React TypeScript Ruby On Rails GraphQL Ruby

20 jobs similar to Senior Fullstack Engineer

Jobs ranked by similarity.

Americas

  • Lead the development of partner-facing web applications for financial services.
  • Build complex onboarding workflows and dashboards using React and TypeScript.
  • Collaborate with product, design, and backend teams to deliver scalable solutions.

They are a financial technology company building digital investment and financial services experiences. They operate in a growing, collaborative environment focused on expanding access to investing and wealth creation.

Argentina

  • Build and maintain features using Ruby on Rails and React, following established engineering patterns.
  • Write clean, maintainable code and comprehensive tests to ensure stability.
  • Collaborate closely with engineers through code reviews and technical discussions.

Greenhouse provides an orchestrated hiring ecosystem that brings the right people and roles together. It is a remote-first company with shared offices in NYC and Ireland, known for its award-winning culture and commitment to inclusivity.

$124,749–$196,225/yr
US

  • Build REST APIs that power core customer experiences
  • Ship features daily in a highly scalable, cross-geo distributed environment
  • Work end-to-end on features, from shaping vague problem statements to measuring impact, with backend-heavy React and Rails work

Atlassian provides team collaboration software including Jira, Confluence, and Trello used by organizations worldwide. As a large global company, Atlassian emphasizes an inclusive culture and flexible distributed work options.

Global

  • Build core backend functionality in Ruby on Rails and relational databases.
  • Work daily in Claude Code and ship features using LLMs and agentic workflows.
  • Drive projects from concept to production, collaborating across the stack and with cross-functional teams.

Wealthbox builds an AI-powered CRM platform for financial advisors, used daily by thousands of advisory firms. They are a nimble market leader with a small, high-trust team of experienced engineers.

Brazil

  • Lead full-stack development of a clinical trial data platform using Ruby on Rails, React, and microservices.
  • Combine hands-on engineering with technical leadership, influencing architecture and collaborating with clients.
  • Work fully remotely from Brazil on a B2B contract, owning outcomes and improving patient safety.

Jobgether is an AI-powered job matching platform that connects candidates with hiring companies. It uses technology to review applications objectively and shares top-fitting candidates directly with employers.

South Africa

  • Design, develop, and maintain robust web applications across front-end and back-end systems using TypeScript, JavaScript, React, Express, and PostgreSQL.
  • Collaborate with Product, Design, and DevOps teams to turn complex business needs into intuitive digital experiences.
  • Take ownership of meaningful projects and contribute to a collaborative, remote-first culture focused on innovation, quality, and customer impact.

The company builds scalable technology that supports businesses and workers worldwide. It fosters a remote-first, globally distributed culture focused on collaboration, continuous learning, and professional growth.

Europe

  • Design, develop, and ship full-stack product features across backend services, APIs, runtime infrastructure, and frontend interfaces.
  • Engage directly with customers to understand integration needs and translate feedback into practical product solutions.
  • Own entire features from discovery through deployment, while contributing to product strategy and open-source projects.

They are a venture-backed startup building developer infrastructure that enables AI applications and agents to connect with external APIs and services. They are a remote-first company with a collaborative culture that values ownership, pragmatic problem-solving, and open-source collaboration.

Latin America

  • Build and maintain the dashboard in TypeScript and React, designing data-dense interfaces.
  • Integrate with back-end APIs, implement role-based access, and own performance and accessibility.
  • Write automated tests, review teammates' code, and collaborate with product and design.

Caliza is commercial banking infrastructure for cross-border companies, replacing banks and spreadsheets with one API. We're a remote fintech startup backed by top investors, with a team from Visa, Nubank, and EBANX.

Latin America

  • Architect and modernize frontend systems using React, TypeScript, and Tailwind CSS.
  • Own end-to-end delivery of complex frontend features from technical design to deployment.
  • Enforce engineering excellence through code reviews and mentor junior engineers.

CodeRoad is a technology execution partner that engineers, modernizes, and scales technology for companies across North America since 2002. The company fosters a high-trust culture with career continuity, engineering autonomy, and collaborative team environments.

Latin America

  • Design and implement scalable architectures with React.js, TypeScript, and Node.js.
  • Manage databases (PostgreSQL, MongoDB) and cloud infrastructure (AWS, Docker, Kubernetes).
  • Integrate AI-assisted development methodologies and ensure code quality through testing and code reviews.

Coderio designs and delivers scalable digital solutions for global companies. They value autonomy, clear communication, and technical excellence, fostering a remote-first culture with collaborative international teams.

$127,000–$150,000/yr
US Canada Unlimited PTO

  • Write, test, and ship code in TypeScript across our React frontend and Node backend.
  • Build user-facing features from Figma designs using our shared component library.
  • Investigate bugs, review teammates' code, and write tests to ensure quality.

Quo provides an AI-powered platform that unifies calls, texts, and customer information for small businesses. The company is trusted by over 120,000 businesses and backed by top-tier investors, fostering a remote-first culture of trust, autonomy, and action.

$87,600–$105,850/yr
Canada

  • Develop and maintain Shopify storefronts, custom applications, and integrations with enterprise systems.
  • Build internal web applications for retail operations, product appraisal, pricing, and event management.
  • Take ownership of existing applications, modernize architecture, and establish engineering standards.

The company operates in e-commerce and retail, using Shopify and enterprise systems to support business operations. It is building an internal software development team, offering a collaborative environment with significant technical ownership.

Global

  • Own the technical vision and architecture for web applications.
  • Lead end-to-end development of user-facing features from Figma mocks.
  • Optimize application performance and build a cross-platform component library.

Matchmatch is a technology company focused on building high-quality web applications using modern tools like React and Next.js. The work environment is fast-paced, with minimal technical debt, and encourages collaboration and innovation.

Portugal Brazil

  • Develop and maintain frontend applications using React, TypeScript, and JavaScript.
  • Build reusable UI components with MUI or PrimeReact and integrate REST APIs.
  • Take ownership of frontend deliverables within an Agile team, participating in planning and stand-ups.

TXP is a technology company that works on customer application development projects. It maintains a collegial, agile culture where responsibility is shared and learning from mistakes is encouraged.

Europe

  • Own growth initiatives end to end: from shaping ideas with commercial partners to measuring results.
  • Build fast, high-converting experiences on zoe.com, including landing pages, sign-up, and checkout.
  • Run experiments and A/B tests, partnering with analysts to decide what to build next.

ZOE is a science-backed nutrition company that creates personalized health insights from blood sugar, gut microbiome, and lifestyle data. Our distributed UK/EU engineering team values diversity, curiosity, and empowerment.

LATAM

  • Write production-grade code in C# and JavaScript/TypeScript across backend services and web applications.
  • Design scalable, fault-tolerant architectures and APIs while leveraging AWS services.
  • Mentor mid-level and junior developers and collaborate with product, design, and QA teams.

Ubiminds is a GPTW-certified, people-first company that partners with American software product companies to scale their global teams. We curate top LATAM talent and connect professionals with long-term, high-impact opportunities while providing full employer-of-record support.

$59,400–$75,600/yr
Global

  • Design, develop, test, deploy, and maintain software with clean, high-quality code.
  • Build new features and improve architecture, tooling, and system efficiency.
  • Collaborate with product managers, engineers, and designers to deliver impactful user-facing solutions.

Eneba operates an open, safe, and sustainable online marketplace for gamers, serving over 20 million active users. The company has a fast-growing, international team that values experimentation, collaboration, and continuous learning.

North America 4w PTO 16w maternity 4w paternity

  • Own Fleetio's public API, webhooks, Developer Portal, and developer tooling.
  • Collaborate with product managers, designers, and engineers to deliver high-quality software.
  • Set API standards, improve developer experience, and prepare the API for AI-driven use.

Fleetio is a modern software platform that helps thousands of organizations worldwide manage their fleet operations. The company raised $450M in Series D funding in 2025 and has been remote-friendly since 2012.

APAC China

  • Develop and maintain web applications using React, TypeScript, and Java or Python.
  • Build scalable APIs and participate in full implementation cycle from design to rollout.
  • Use AI coding tools as a standard part of workflow and write unit/integration tests.

Remote People builds infrastructure to power borderless teams by handling global payroll, benefits, taxes, and compliance. They are a growing, international remote-first team with a focus on diversity and inclusion.

Argentina

  • Build and improve a server-rendered React storefront using React Router, TypeScript, and Tailwind CSS.
  • Consume REST/JSON APIs and integrate Stripe, Storyblok, GA4, and Klaviyo for ecommerce functionality.
  • Write automated tests and collaborate with stakeholders to deliver polished ecommerce experiences.

Rockcruit builds headless ecommerce storefronts running on Cloudflare Workers, backed by their own commerce platform. They work in a collaborative, well-tested codebase with a team of technical and nontechnical stakeholders focused on delivering polished ecommerce experiences.