Remote Frontend React Engineer - 3+ Years
Encora10
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Job summary
Darwoft is seeking a Senior React Native Engineer with a strong iOS focus to help build a transformative mobile platform for SportsTech. This 100% remote, contractor role accepts candidates across LATAM and pays in USD per hour.
You will own features end-to-end for Keet Desktop and mobile, from UI to backend data flows, and work closely with product, design, and core teams. You should bring 8+ years of software development and 5+ years React Native, plus TypeScript and strong iOS knowledge.
Qualifications
- 8+ years of software development experience.
- 5+ years of professional React Native experience or equivalent.
- Strong in frontend with ability to design APIs and work with backend services.
Responsibilities
- Build and polish features across chat, voice, video, and other app experiences.
- Integrate RESTful APIs, push notifications, geolocation, and native capabilities.
- Own end-to-end product surfaces, from UI to backend data flows, across the stack.
- Improve performance, stability, and scalability of the app in production.
- Collaborate with design and product, participate in code reviews and architecture decisions.
Skills
Tools
Job description
vidIQ builds software to help YouTube creators achieve their goals. Our mission is to advance the creator's journey with actionable data-driven insights and AI-powered tools. We are dedicated to our values of being creator-obsessed, lean and fast, and scientific. Having already supported millions of creators, we invite stunning new co-workers to join us in reaching millions more.
Imagine a product that reached over a million users without a traditional sales team. This product stands at the forefront of career evolution, where everyone can be their own brand with unlimited growth potential. That's the opportunity at vidIQ—an infinite market, a large and highly engaged customer base, and the chance to help scale the platform that delivers insights to millions of creators.
Discover more about vidIQ firsthand at
Our vision is to build a personal copilot for every YouTube creator. We work in small, focused teams where people are expected to understand the problem, make decisions, and take ownership of the outcome.
We value people who are strong in their craft, communicate clearly, challenge ideas with respect, and follow through from problem to production.
We’re also an AI-native team. We build AI into our product and use it every day in how we work—from writing and reviewing code to debugging, testing, prototyping, and exploring new ideas.
This is a frontend-leaning role, but you won't stop at the frontend. You'll own entire product surfaces from end to end: the UI, the APIs behind it, the data it depends on, and how it performs in production. We expect you to understand the problem, decide what to build, and ship it.
You’ll shape how millions of creators experience vidIQ, and you’ll help define how our engineering team builds software now that AI is a real collaborator.
This is a remote position open to candidates worldwide. Employment classification and engagement structure will be determined based on location, legal requirements, and mutual fit.
- Own product surfaces end to end. You'll be the go-to owner for key parts of vidIQ, we serve over 1M daily active creators. You'll set their direction, track how they perform, and decide what to improve next.
- Work across the stack. You'll build and change backend APIs, services, and data flows when a feature needs it, instead of waiting on another team.
- Drive your own roadmap. You'll spot opportunities in user feedback, data, and the codebase, turn them into proposals, align with product and design, and deliver without needing to be managed closely.
- Build AI-powered product experiences. You'll ship LLM-driven features across the stack, from model integration and prompts on the backend to streaming responses, error handling, and clear UX when model output is unpredictable.
- Fix architecture and performance problems. You'll find bottlenecks and weaknesses anywhere in the request path, frontend or backend, and leave the system better than you found it.
- Make AI part of how the team works. You'll use tools like Claude Code, Cursor, and GitHub Copilot every day, share what works, and help set team practices for using AI responsibly.
- Improve durability. You'll test important workflows, add useful monitoring and error reporting, and own what you ship after it's live, whether you wrote every line or reviewed and refined AI-generated code.
- Raise the bar through review and mentorship. You'll review code from other engineers, AI-assisted or not, and give feedback that helps others grow.
- You have at least 5 years of professional software development experience.
- You're strongest on the frontend, but you're comfortable on the backend. You can design an API, write server-side code, work with databases, and debug problems that cross the client-server boundary.
- You're self-driven. You don't need a detailed spec to get started, and you're happy making decisions, asking the right questions, and moving work forward on your own.
- You act like an owner. When something you're responsible for breaks, underperforms, or confuses users, you notice and fix it before anyone asks.
- You've led projects from concept to completion, including documenting the work and teaching others about it.
- You care about product quality and leave codebases in better shape than you found them.
- You write and speak clearly, and you can explain technical concepts to non-technical people.
- You're confident with TypeScript, React, Next.js, Vite, and Tailwind.
- You're a heavy, thoughtful user of AI tools. AI coding assistants and agents are part of how you plan, build, debug, test, and review every day. You know where they save you hours and where they fail, and you check AI output as carefully as you'd check a teammate's pull request.
- You keep up with the fast-moving AI landscape and like trying new models, tools, and workflows.
- Backend experience with Node.js, Scala, and/or Python, plus relational databases, caching, and queues
- Experience with Redux, Redux Saga, and/or Zustand
- Experience building LLM-powered features, such as streaming UIs, model APIs, prompt design, or evals
- Experience with agentic coding workflows, such as running AI agents on multi-step tasks, writing custom rules or context files, or using MCP servers
- Work Remotely: Embrace the freedom to choose your ideal workspace anywhere in the world.
- Flexible Time Off: We support a flexible vacation policy allowing you to take time off when you need to recharge.
- Communication Stipend: Enjoy a monthly stipend to cover your phone and internet expenses, helping you stay connected effortlessly.
- Global Impact: Join our diverse team that’s shaping the future of the creator economy across the globe.
- Competitive Compensation: vidIQ believes in offering competitive compensation that reflects your skills, experience, and contributions. We ensure fairness through internal equity and geo-location based pay, with the upper range reserved for individuals demonstrating exceptional job knowledge and skills.
At vidIQ, we dedicate ourselves to enabling creators of all kinds to succeed. We prioritize attracting diverse talent and fostering an environment that encourages collaboration, creativity, and personal growth. We are committed to building a company and a community where individuals thrive by being true to themselves and are inspired to do their best work every day.
At Tether, we’re not just building products, we’re pioneering a global financial revolution. Our cutting-edge solutions empower businesses—from exchanges and wallets to payment processors and ATMs—to seamlessly integrate reserve-backed tokens across blockchains. By harnessing the power of blockchain technology, Tether enables you to store, send, and receive digital tokens instantly, securely, and globally, all at a fraction of the cost. Transparency is the bedrock of everything we do, ensuring trust in every transaction.
Tether Finance: Our innovative product suite features the world’s most trusted stablecoin, USDT, relied upon by hundreds of millions worldwide, alongside pioneering digital asset tokenization services.
But that’s just the beginning:
Driving sustainable growth, our energy solutions optimize excess power for Bitcoin mining using eco-friendly practices in state-of-the-art, geo-diverse facilities.
Fueling breakthroughs in AI and peer-to-peer technology, we reduce infrastructure costs and enhance global communications with cutting-edge solutions like KEET, our flagship app that redefines secure and private data sharing.
Democratizing access to top-tier digital learning, we empower individuals to thrive in the digital and gig economies, driving global growth and opportunity.
At the intersection of technology and human potential, we are pushing the boundaries of what is possible, crafting a future where innovation and human capabilities merge in powerful, unprecedented ways.
Our team is a global talent powerhouse, working remotely from every corner of the world. If you’re passionate about making a mark in the fintech space, this is your opportunity to collaborate with some of the brightest minds, pushing boundaries and setting new standards. We’ve grown fast, stayed lean, and secured our place as a leader in the industry.
If you have excellent English communication skills and are ready to contribute to the most innovative platform on the planet, Tether is the place for you.
Our pioneering P2P development platform, built on our open-source technology stack, Pear, eliminates the need for traditional server infrastructure. Pear platform facilitates direct deployment of applications from the developer’s machine to the user, enabling seamless scalability and performance. By leveraging Node.js-based technology akin to BitTorrent, we create robust peer-to-peer connections and data replication systems that set the foundation for a decentralized web.
Learn more about Pear: docs.pears.com
Keet, our flagship P2P communications app, is the first step towards this new era. It exemplifies the potential of P2P technology in everyday applications, from messaging and file sharing to complex collaborative environments, all while maintaining user sovereignty over personal data.
Keet Mobile on iOS and Android is built with React Native and Expo, and its P2P core runs on the device itself in a Bare worklet. You'll own features end to end, from UI/UX implementation to using the P2P core APIs.
You will:
- Build and polish features across chat, voice and video calls, media sharing, device pairing, and identity backup.
- Integrate native platform capabilities such as push notifications, camera, bio-metrics and background tasks on both iOS and Android.
- Profile and optimise performance on real devices, including startup time, long chats, media handling, battery and network use.
- Write unit and end-to-end tests, and help keep releases stable through CI and crash reporting.
- Work closely with the core P2P, design and product teams, and review code with a high bar for quality.
Significant experience with React Native, Redux for state management and Redux-Saga.
Experienced with WebSockets, RESTful based APIs.
Knowledge in native languages (Swift/Kotlin) and familiarity with native build tools (Xcode/Android Studio) is advantageous.
Experience working with a remote team.
Interested in modernizing and optimizing different mobile or web applications.
Bonus points if you have any built something amazing on any p2p frameworks.
In this role, you will be responsible for developing and maintaining Keet Desktop, our cross-platform P2P communications application built with React and running on the Pear runtime. You'll work on everything from UI/UX implementation to performance optimization, helping shape the future of decentralized communication.
- Strong competency in state management (Redux, Redux Toolkit, Zustand, or similar).
- Ability to write modular, maintainable, and well tested code.
- Solid skillset in testing & debugging complex frontend applications.
- Deep interest or experience with P2P technologies or distributed systems.
- Comfort working in a remote, globally distributed team; good communication skills.
- Experience with desktop application development (Electron, Tauri, or similar runtimes).
- Familiarity with video/audio APIs (WebRTC, media streams) and real-time communication.
- Demonstrated ability to optimize UI performance: rendering, memory management.
- Bonus: Past contributions to OSS projects, especially in P2P or decentralized tech.
- Anywhere in LATAM
- 100% Remote
- Full-time Contractor
- USD
- SportsTech – Mobile Booking & Access Management Platform
- Senior
- Location: Anywhere in LATAM
- Job Type: 100% Remote
- Engagement: Full-time Contractor
- Payment: USD
- Project: SportsTech – Mobile Booking & Access Management Platform
- Seniority: Senior
- English Level: B2 / C1
At Darwoft, we build digital products with heart. We're a Latin American technology company partnering with international clients to create innovative, human-centered software.
Our remote-first culture is built on collaboration, continuous learning, and technical excellence. We believe in creating technology that makes a real difference.
We're looking for a Senior React Native Engineer with a strong iOS focus to help build an innovative mobile platform that transforms how people access sports facilities, book activities, and connect with other players.
The application will combine sports venue discovery, reservations, digital access management, and participant safety into a seamless mobile experience.
A key objective is to improve how sports facilities manage physical access, verify participants, and create safer environments for everyone using the platform.
You’ll contribute to the product from its early development stages, taking ownership of mobile architecture, technical decisions, and application quality, with particular emphasis on the iOS ecosystem, performance, and user experience.
- 8+ years of software development experience, including 5+ years working with React Native.
- Advanced proficiency in React Native, TypeScript, and JavaScript.
- Strong hands-on experience building, deploying, and maintaining production-ready iOS applications.
- Solid understanding of the iOS ecosystem, Xcode, CocoaPods, app signing, provisioning, and App Store deployment.
- Experience with React Native architecture, navigation, reusable components, and state management solutions such as Redux Toolkit or Zustand.
- Strong knowledge of REST API integrations, authentication, and secure session management.
- Experience integrating native iOS capabilities, third-party SDKs, push notifications, and geolocation services.
- Knowledge of mobile performance optimization, debugging, and automated testing.
- Familiarity with Git, CI/CD pipelines, and mobile application release processes.
- Ability to work independently, make technical decisions, and contribute to product architecture.
- Strong communication skills and a product-oriented mindset.
- Native iOS development experience using Swift or SwiftUI.
- Experience with booking platforms, marketplaces, or SportsTech applications.
- Knowledge of digital access control, QR-based check-in, NFC, or identity verification.
- Experience integrating payment solutions such as Stripe or Apple Pay.
- Familiarity with Firebase, Expo, or EAS.
- Experience with real-time applications using WebSockets.
- Experience using AI-assisted development tools such as Cursor, GitHub Copilot, or Claude Code.
- Contractor agreement with payment in USD.
- 100% remote work.
- Argentina's public holidays.
- English classes.
- Referral program.
- Access to learning platforms.
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