Security Engineer at Backpack | Remote

Your Role:Develop and implement essential features for the Backpack Mobile App across both Android and iOS platforms.Identify and resolve bugs while optimizing app performance.Take full ownership of projects from inception to completion, ensuring high-quality delivery.Your Profile:Passionate about Backpack, web3, and the cryptocurrency landscape.Possess a mi…

About the Role:Join us at Backpack as we strive to scale blockchain technology for mass adoption. As a Wallet Engineer, you will play a pivotal role in enhancing our Backpack Wallet and ensuring a seamless user experience.Your Responsibilities:Develop and implement essential features for the Backpack Wallet.Identify and resolve bugs to optimize performance.Take ownership of projects, managing them from inception to completion.Your Profile:Passionate about Backpack, Web3, and cryptocurrency.Minimum of 2 years of experience in Rust and blockchain software development.Fluent in English, with excellent communication skills.What We Offer:Competitive equity and ownership in the company; we value our team as partners.A dynamic and fast-paced work environment.Flexible working hours with a hybrid schedule option.Exclusive Backpack/Mad Lads perks.

At Holepunch, we are not merely creating software; we are reshaping the fundamental structure of the internet to enhance user empowerment and safeguard privacy. Our innovative peer-to-peer (P2P) development platform, powered by our open-source technology stack, Pear, removes the necessity for conventional server infrastructure. This groundbreaking methodology guarantees that users retain complete control over their data, ensuring unmatched privacy and independence from centralized authorities.Our platform enables direct application deployment from the developer's environment to the end-user, facilitating effortless scalability and optimal performance. By utilizing Node.js-based technology similar to BitTorrent, we establish strong peer-to-peer connections and data replication systems that lay the groundwork for a decentralized web. Discover more about Pear: docs.pears.comKeet: A Vision of the FutureKeet, our flagship P2P communication application, marks the initial stride towards this transformative era. It embodies the capabilities of P2P technology in practical applications, ranging from messaging and file sharing to intricate collaborative environments, all while preserving user control over personal data. Keet showcases the adaptability and scalability of our open-source tech stack, Pear.Become Part of Our Mission: Mobile Engineer - React Native (100% Remote)We have successfully launched Keet Mobile on both iOS and Android, delivering our comprehensive P2P technology stack to users worldwide. Keet Mobile stands out as an extraordinary application: its heavy lifting is managed by a custom JavaScript runtime meticulously designed for peer-to-peer functionality (in fact, it reuses 100% of Keet Desktop’s code!). The user interface logic is entirely based on React Native, providing us with the agility to iterate rapidly. We believe that this architecture unlocks immense potential for the future, and we are eager to have you join us on this journey!

Join our dynamic team as a Staff Engineer and Mobile Developer specializing in React Native. In this fully remote role, you will have the opportunity to design and develop innovative mobile applications that enhance user experiences. We are looking for a passionate individual who thrives in a collaborative environment and is eager to tackle challenging projects.

The Original Bitcoin ExchangeAt Bitfinex, we are inspired by Bitcoin's vision of financial freedom and are dedicated to empowering individuals to transact and connect seamlessly across the globe. Our journey began during the early days of the Bitcoin revolution, and we remain steadfast in our mission to champion freedom through innovative, reliable, and accessible technology. We believe that everyone should have the tools to participate in a truly open and borderless world.Our relentless pursuit of innovation and financial empowerment drives us to prioritize education and deliver a cutting-edge platform that enables users to confidently buy, hold, and trade digital assets. As the digital asset landscape evolves, we stay ahead by offering state-of-the-art trading services that empower both individuals and global liquidity providers. Our agile approach ensures that financial freedom is not just a vision but a reality for all.Our team comprises visionary individuals with practical expertise who focus on crafting solutions to the market's toughest challenges. Despite our global presence, we maintain a small, technology-focused core that fosters a culture of collaboration and innovation.Integrity and autonomy are core values at Bitfinex, empowering our team to contribute from concept to launch. With a passion for lifelong learning and a commitment to advancing freedom, we prioritize high-caliber products and services, backed by a proven track record of innovation derived from the dexterity of our teams.Why Join Us?InnovationAt Bitfinex, we blend technology and skill to create an environment where your contributions are not just appreciated but pivotal in pioneering the future of finance. Our culture values bold creativity, a passion for technology, and a deep belief in Financial Freedom.Flexibility & Global ReachWe trust in autonomy and results; our remote team operates seamlessly, allowing you to work from anywhere while collaborating with top talents worldwide. We thrive on innovation and breaking new ground.Fast-Paced & ImpactfulMuch like the crypto industry itself, our projects evolve rapidly, break new ground, and create significant impact. Your contributions will directly shape the future narrative of decentralization.A Collaborative TeamWe blend seasoned experts with fresh creative minds, fostering an environment that thrives on collaboration and innovation.

The Original Bitcoin ExchangeAt Bitfinex, we are inspired by Bitcoin's vision of financial freedom and are dedicated to empowering individuals to transact and connect seamlessly across the globe. Since the inception of the Bitcoin revolution, our mission has been to promote freedom through innovative, reliable, and accessible technology—ensuring that everyone, everywhere, has the tools to participate in a truly open and borderless world.We relentlessly pursue innovation and financial empowerment. By emphasizing education and delivering a cutting-edge platform, we enable users to buy, hold, and trade digital assets with confidence. As the digital asset landscape rapidly evolves, we remain at the forefront—providing state-of-the-art trading services that empower both individuals and global liquidity providers. Our agile, forward-thinking approach guarantees that financial freedom is not merely a vision but a reality for all.Our team consists of visionary individuals with practical expertise, focused on crafting solutions to the market's most pressing challenges. Despite our global presence and impact, we maintain a compact, technology-driven core that fosters a culture of collaboration and innovation.We value integrity and autonomy, empowering our team members to contribute from concept to launch. Driven by a passion for lifelong learning and a commitment to advancing freedom, we prioritize high-caliber products and services, backed by a proven track record of innovation that leverages the expertise of our teams.Why Join Us?InnovationAt Bitfinex, we blend technology and skill to create an environment where your contributions are instrumental in pioneering the future and pushing the boundaries of finance. Our culture values bold creativity, a passion for technology, and a firm belief in Financial Freedom.Flexibility & Global ReachWe believe in trust, autonomy, and results—our team operates remotely, allowing you to work from anywhere while collaborating with some of the finest talents worldwide. We thrive on innovation, autonomy, and breaking new ground.Fast-Paced & ImpactfulMuch like the cryptocurrency industry itself, our projects move quickly, break new ground, and make a significant impact. Your contributions influence our global audience, shaping the narrative of a decentralized future.A Team that Thrives on CollaborationWe merge seasoned experts with fresh creative minds, ensuring a dynamic and innovative workplace.

C the Signs is revolutionizing cancer care with our cutting-edge AI-driven platform. We empower both healthcare professionals and patients with essential tools and insights to identify cancer symptoms, facilitating timely intervention and enhancing patient outcomes. As we broaden our reach into new markets, we are in search of a dedicated React Native Developer to become an integral part of our innovative team.About the RoleAs a React Native Developer, you will play a pivotal role in the development and enhancement of our mobile applications, crafting seamless experiences for healthcare professionals and patients across iOS and Android platforms. You will be responsible for designing and implementing high-performance, scalable mobile solutions, working closely with cross-functional teams to ensure exceptional user experiences. Your expertise will be crucial in establishing best practices for mobile development, optimizing app performance, and adapting our mobile platform to the changing needs of our users.Design, develop, and maintain robust mobile applications utilizing React Native and TypeScript.Lead mobile development initiatives from conception through deployment, ensuring quality and adherence to project timelines.Architect and implement scalable, maintainable mobile solutions that integrate seamlessly with backend services.Create intuitive, responsive user interfaces that deliver exceptional user experiences across various devices and screen sizes.Collaborate with product managers, designers, backend engineers, and other stakeholders to translate requirements into technical specifications.Mentor and support junior developers, fostering a collaborative and growth-oriented team culture focused on mobile excellence.Stay informed about industry trends and emerging mobile technologies to continuously refine our applications.

About General MedicineJoin us at General Medicine as a Mobile Engineer, where you'll play a pivotal role in creating and enhancing a healthcare platform that simplifies the process of accessing various types of care. We offer transparent pricing for both virtual and in-person consultations, prescriptions, lab tests, imaging, and more.What We SeekWe are on the lookout for a Mobile Engineer to lead the development of our inaugural native mobile application using React Native. This position is crucial, as you will be instrumental in establishing the app from its foundation, making key architectural choices, and setting the standards that the rest of the engineering team will follow.The ideal candidate should have experience deploying and maintaining React Native applications in a production environment and possess a solid understanding of the interplay between React Native and native iOS/Android frameworks. Proficiency in Swift or Kotlin is essential for tasks such as HealthKit integrations, push notifications, or video calling SDKs, although your primary focus will be on TypeScript and React. You should also be open to contributing to our Next.js web frontend, as we view mobile and web development as a unified effort.We value individuals who are passionate about technical excellence while also thriving in a fast-paced environment. Our team regularly balances engineering speed with product quality, and we are searching for a proactive individual who is eager to grow as a generalist. Our engineers often draft product requirement documents, analyze feature performance using SQL, and take ownership of quality assurance—no task is too small or outside your role if it contributes to delivering an exceptional product. You should be comfortable navigating ambiguity and collaborating closely with design, operations, and clinical stakeholders.While a background in healthcare is not a requirement, an enthusiasm for engaging with the complexities of the American healthcare system (including EHR integration and revenue cycle management) would be a plus.

Join Bitfinex: The Original Bitcoin ExchangeAt Bitfinex, we are deeply inspired by Bitcoin's vision of financial freedom. Our commitment lies in empowering individuals to transact and connect effortlessly across the globe. Since the inception of the Bitcoin revolution, our mission has been to advocate for freedom through cutting-edge, reliable, and accessible technology, ensuring that everyone, everywhere, has the tools necessary to engage in an entirely open and borderless world.We are fueled by an unwavering pursuit of innovation and financial empowerment. By prioritizing education and delivering a state-of-the-art platform, we enable users to confidently buy, hold, and trade digital assets. As the digital asset landscape evolves rapidly, we remain at the forefront, providing advanced trading services that empower both individuals and global liquidity providers. Our agile, progressive approach guarantees that financial freedom is not just a dream but a reality for all.Our team consists of visionary individuals with practical expertise, dedicated to crafting solutions to the market's most challenging issues. Despite our global reach and influence, we maintain a tight-knit, technology-driven core that fosters a culture of collaboration and innovation.We hold integrity and autonomy in high regard, enabling our team to contribute effectively from concept to launch. Driven by a passion for lifelong learning and a commitment to advancing freedom, we prioritize high-quality products and services, backed by a proven record of innovation that highlights the skill and agility of our teams.Why Join Us?Innovation: At Bitfinex, we blend technology and skill to cultivate an environment where your contributions are not just valued—they're pivotal in shaping the future of finance. Our culture promotes bold creativity, a passion for technology, and a steadfast belief in Financial Freedom.Flexibility & Global Reach: Embracing trust, autonomy, and results, our team operates remotely, allowing you to work from anywhere while collaborating with some of the finest talents worldwide. We thrive on innovation, autonomy, and venturing into uncharted territories.Fast-Paced & Impactful: Much like the crypto industry itself, our projects are swift, groundbreaking, and influential. Your contributions will reach a global audience, helping to shape the narrative of a decentralized future.A Collaborative Team: We merge seasoned experts with fresh, creative minds, fostering an environment where collaboration leads to remarkable outcomes.

The Original Bitcoin ExchangeAt Bitfinex, we are passionate about promoting financial freedom through the power of cryptocurrency. Our commitment is to provide individuals with innovative tools that enable seamless transactions and connections across the globe. From the inception of the Bitcoin revolution, our focus has been on fostering freedom through cutting-edge technology, ensuring that everyone has access to participate in a truly open and borderless financial landscape.We are continuously innovating to enhance financial empowerment and prioritize education. Our advanced platform allows users to buy, hold, and trade digital assets with confidence, staying ahead of the rapidly evolving digital asset market. Our agile approach ensures that financial freedom is not just an idea, but a tangible reality for all.Our team consists of forward-thinking individuals who tackle the most significant challenges in the market while maintaining a close-knit, technology-driven culture that encourages collaboration and creativity.We empower our team with autonomy and integrity, allowing contributions from concept through to launch. Our commitment to continuous learning and pursuit of freedom drives us to deliver top-tier products and services, backed by a proven history of innovation.Why Join Us?Innovation: At Bitfinex, you will help shape the future of finance in an environment that values creativity and technological passion.Flexibility & Global Reach: Work remotely and enjoy the freedom of collaborating with talented individuals from around the world.Fast-Paced & Impactful: Contribute to projects that resonate with a global audience, influencing the narrative of a decentralized future.A Collaborative Team: Join a diverse group of experts and innovators who come together to push boundaries and achieve greatness.

The Original Bitcoin ExchangeAt Bitfinex, we are inspired by Bitcoin's vision of financial freedom and are dedicated to empowering individuals to transact and connect effortlessly across the globe. Since the inception of the Bitcoin revolution, our mission has been to advocate for freedom through innovative, reliable, and accessible technology—ensuring that everyone, everywhere, can participate in a truly open and borderless financial world.Driven by a relentless quest for innovation and financial empowerment, we prioritize education and deliver a state-of-the-art platform that allows users to buy, hold, and trade digital assets with confidence. As the digital asset landscape evolves, we remain at the forefront, providing cutting-edge trading services that empower both individuals and global liquidity providers. Our forward-thinking, agile approach ensures that financial freedom becomes a reality for all.Our team comprises visionary individuals with practical expertise focused on crafting solutions to the market's toughest challenges. Despite our global reach, we maintain a small, technology-oriented core, fostering a culture of collaboration and innovation.We value integrity and autonomy, empowering our team members to contribute from concept to launch. Fueled by a passion for lifelong learning and a commitment to advancing freedom, we prioritize high-quality products and services, underpinned by a proven track record of innovation that leverages the agility of our teams.Why Join Us?InnovationAt Bitfinex, we blend technology and creativity to cultivate an environment where your contributions are not just welcomed—they're at the forefront of shaping the future of finance. Our culture celebrates bold creativity, a passion for technological advancement, and a steadfast belief in Financial Freedom.Flexibility & Global ReachWe believe in trust, autonomy, and results—our team operates remotely, allowing you to work from anywhere while collaborating with some of the brightest talents worldwide. We thrive on innovation, independence, and breaking new ground.Fast-Paced & ImpactfulLike the crypto industry itself, our projects are dynamic, groundbreaking, and impactful. Your contributions will reach a global audience, influencing the narrative of a decentralized future.A Collaborative Team EnvironmentWe combine seasoned experts with fresh creative minds, fostering a collaborative environment that encourages growth and innovation.

The Original Bitcoin ExchangeAt Bitfinex, we are inspired by Bitcoin’s revolutionary vision of financial freedom. Our mission is to empower individuals to transact freely and connect globally. Since our inception, we have been committed to providing innovative, reliable, and accessible technology that enables everyone, everywhere, to take part in a truly open and borderless financial landscape.We relentlessly pursue innovation and financial empowerment by prioritizing education and delivering a state-of-the-art platform. This allows our users to buy, hold, and trade digital assets with confidence. As the digital asset landscape evolves, we remain at the forefront, providing cutting-edge trading services that empower both individuals and global liquidity providers. Our agile, forward-thinking approach ensures that financial freedom is a reality for all.Our team comprises visionary experts dedicated to solving the market’s toughest challenges. Despite our vast global presence, we maintain a focused, technology-driven core, fostering a culture of collaboration and innovation.We believe in integrity and autonomy, empowering our team members to contribute from concept through to launch. With a passion for lifelong learning and a commitment to advancing freedom, we prioritize high-quality products and services, backed by a proven track record of innovation.Why Join Our Team?InnovationAt Bitfinex, we blend technology and talent to create an environment where your contributions are valued. You will be at the forefront of shaping the future of finance through your creativity and passion.Flexibility & Global ReachWe trust our team members, allowing you to work remotely while collaborating with some of the best minds worldwide. We thrive on independence and innovation.Fast-Paced & ImpactfulYour contributions will shape the narrative of a decentralized future, as our projects rapidly evolve and make a significant impact on our global audience.A Collaborative Team EnvironmentWe combine seasoned professionals with fresh, creative talent to drive our mission forward. Join us to make a difference.

Join the Pioneer of Bitcoin TradingDriven by the revolutionary vision of Bitcoin, Bitfinex is dedicated to empowering individuals to transact and connect effortlessly on a global scale. Since our inception, we have been at the forefront of promoting financial freedom through innovative, reliable, and accessible technology, ensuring that everyone, everywhere, has the tools to engage in a truly open and borderless economy.Our relentless pursuit of innovation and financial empowerment is evident in our commitment to education and the development of a cutting-edge platform that enables users to buy, hold, and trade digital assets with confidence. As the digital asset ecosystem rapidly evolves, we remain ahead of the curve, providing state-of-the-art trading services that empower both individuals and global liquidity providers. Our agile and forward-thinking approach transforms financial freedom from a mere concept into a tangible reality for all.Comprising visionary professionals with practical expertise, our team focuses on crafting solutions to the most challenging market issues. Despite our expansive global footprint, we maintain a compact, technology-centric core that fosters a culture of collaboration and innovation.At Bitfinex, we value integrity and autonomy, empowering our team members to contribute meaningfully from concept through to launch. We champion lifelong learning and are committed to advancing freedom, prioritizing high-quality products and services backed by a proven track record of innovation that showcases our teams' capabilities.Why Join Us?InnovationAt Bitfinex, we blend technology with talent to create a space where your contributions are not only valued but are also essential in pioneering the future of finance. Our culture celebrates bold creativity, technological passion, and a profound commitment to Financial Freedom.Flexibility & Global ReachWe believe in trust, autonomy, and results—our team operates remotely, allowing you to work from anywhere while collaborating with some of the brightest minds across the globe. We thrive on innovation and breaking new ground.Fast-Paced & ImpactfulSimilar to the cryptocurrency industry itself, our projects evolve rapidly, break new ground, and leave a mark. Your contributions will reach a global audience, shaping the narrative of a decentralized future.A Collaborative TeamWe combine seasoned experts with innovative thinkers, ensuring a rich exchange of ideas and solutions.

We are searching for an enthusiastic and skilled Associate Principal Engineer specializing in Mobile Development with expertise in React Native. This role offers the opportunity to work remotely, aligning innovative mobile solutions with business objectives. You will collaborate with cross-functional teams to build cutting-edge applications that enhance user experience and meet market demands.

Join our innovative team at Nagarro as a Senior Staff Engineer specializing in React Native mobile development. In this fully remote role, you will collaborate with cross-functional teams to design, develop, and implement mobile applications that deliver exceptional user experiences. Your expertise in mobile technologies will be crucial in driving our projects to success.

Become a Part of Our Innovative TeamOowlish, a leading software development firm in Latin America, is on the lookout for skilled technology experts to enhance our dynamic and diverse team.At Oowlish, you will work alongside esteemed clients from both the United States and Europe, playing a pivotal role in crafting cutting-edge digital solutions. Our dedication to fostering a supportive work culture has earned us recognition as a Great Place to Work, where you can pursue professional growth, development opportunities, and make a meaningful international impact.We support remote work to help you establish a work-life balance that aligns with your personal and professional aspirations. We seek candidates who are not only passionate about technology but also fluent in English and eager to contribute to a global team.Role OverviewWe are in search of a Senior React Native Engineer to join a high-impact product team dedicated to building and scaling real-world mobile applications that engage active users.This role transcends mere ticket execution.We desire a candidate who:Thinks from a product engineering perspectiveTakes ownership of features from inception to deliveryComprehends performance, user experience, and real-world limitationsOperates independently with sound technical judgmentYour work will involve a production mobile platform, collaborating closely with product, design, and engineering teams to deliver exceptional user experiences.Preference will be given to candidates residing in Chicago or those who are open to regular in-person collaboration.

Location: Remote – Open to applicants located globally.Join Fueled, a premier digital strategy, design, and engineering agency comprised of over 300 talented professionals. We have successfully crafted hundreds of digital products and experiences for esteemed brands such as Google, Apple, The New York Times, ESPN, Victoria’s Secret, MGM Resorts, Albertsons, and CLEAR.As a Senior React Native Engineer at Fueled, you will harness the power of React Native to architect, develop, and scale exceptional cross-platform mobile applications that provide outstanding user experiences.Your expertise in React for web will be pivotal as you design comprehensive solutions leveraging React Native, Expo, TypeScript, and Node.js for backend integrations. You will utilize strong typing to build robust data models, manage state, and architect applications for complex, business-centric solutions.Moreover, you will integrate REST/GraphQL APIs, implement effective caching strategies, and set up automated mobile CI/CD pipelines to ensure efficient testing, building, and deployment of reliable real-time functionalities at scale.Your contributions will transform ambitious concepts into maintainable, future-proof mobile systems that adapt to client needs, elevate quality and performance standards, and consistently deliver measurable results.Fueled's intentionally remote and globally distributed team operates across six continents, thriving in a culture that emphasizes flexibility, creativity, and state-of-the-art technology. Together, we are redefining the future of digital experiences.

OverviewAt Nectar, we are at the forefront of a transformational movement in product discovery and purchasing. Today's consumers engage with brands not through traditional marketing tactics but through authentic social interactions. They seek out recommendations from trusted communities and demand personalized experiences that resonate on a human level.We are creating an AI-native social operating system designed for this new commerce landscape. Our goal is to enhance social interactions, fostering deeper connections between brands and their communities while generating genuine value for all parties involved. Our AI agents operate in real-time, delivering actionable insights, linking engagement to revenue, and converting conversations into tangible results.Founded by former product and engineering leaders from Meta, we collaborate with innovative brands like OLIPOP, Hatch, K18, Little Spoon, and many others. Join us in shaping the future of social commerce, where community, conversation, and commerce unite.The RoleWe are seeking a pioneering Mobile Engineer to take charge of our mobile experience at Nectar. In this role, you will not merely enhance an existing codebase; you will construct the mobile platform from scratch, make critical technical decisions, and deploy features that empower brand teams with AI-driven social commerce solutions.This position offers substantial autonomy and a direct impact on product direction. If you aspire to develop a significant mobile product that influences real users, drives revenue, and presents complex technical challenges, this is your opportunity.What You'll DoDevelop the mobile platform: Architect, construct, and launch our React Native application for both iOS and Android. You will establish the foundational decisions that will shape our mobile development for years to come.Implement AI-driven features: Create intelligent interfaces that reveal insights, enable real-time agent interactions, and integrate our AI capabilities into mobile applications.Establish mobile infrastructure: Define architectural patterns, shared components, testing protocols, CI/CD pipelines, and performance metrics.Collaborate across the tech stack: Integrate with social platform APIs (TikTok, Meta, Instagram), e-commerce systems (Shopify), and our backend services to create cohesive experiences.Work closely with product and design: Collaborate with founders, product teams, and designers to influence the development of our offerings.

At Backpack, we believe in the power of your unique talents. We invite you to shape your own role and demonstrate to us how you can contribute to our mission in the web3 and cryptocurrency space.