Lead Developer: React & Ruby

jobgether is looking for a Mobile Developer who specializes in React Native. This role focuses on building mobile applications that help users get more from the platform. Collaboration is central, with regular teamwork and hands-on coding involved. Key responsibilities Build and maintain mobile apps using React Native Suggest improvements to make the user experience better Adapt to new tools and technologies as the team grows Location This position is located in Canada.

About UsAt Konrad Group, we are a pioneering digital consultancy committed to delivering innovative solutions that tackle complex business challenges for our global clientele. Our team thrives in a culture of creativity and excellence, where we strive to develop top-tier digital products that impact millions of users worldwide. We seek out exceptionally talented, analytical, and diligent individuals who are dedicated to continuous learning.Role OverviewAs a Mobile Developer specializing in React Native, you will play a crucial role in crafting high-quality cross-platform mobile applications. Your expertise will primarily be in React Native, but familiarity with iOS and Android development principles is advantageous. Collaborating within our software development team, you will contribute to both consumer-facing and enterprise applications. This position is perfect for developers who are confident in their skills and eager to join a dynamic and continually evolving team at Konrad.ResponsibilitiesDevelop maintainable, testable, and efficient software in collaboration with our exceptional team.Engage in code reviews and conduct thorough testing to ensure the delivery of superior software.Explore new technologies and tools, sharing insights with the team.Communicate effectively with all team members.

Join a Dynamic Workplace with...Flexible Work Environment Retirement Savings Matching Plan (RRSP). Secure your future together with us! Personal Spending Account Enjoy up to $500 for expenses related to your physical, mental, or financial health (in addition to your Health Care Spending Account) 17 Paid Days Off (plus 13 Personal Days) Includes an extra day off for your birthday month - a special gift from us!A Commitment to Inclusion and Diversity through our IDEAS Team We believe in inclusivity and are dedicated to fostering a diverse workplace! INTERESTED? LET'S CONNECT! Learn more about us here! (Spoiler: We proudly host The Weather Network) WHY WE WANT YOU ON OUR TEAM... As a high-impact, senior engineering professional, you will play a pivotal role in shaping the mobile experience for millions of users globally. In the position of React Native Technical Lead, you will be responsible for designing, architecting, and implementing critical features for Canada and Spain’s top-rated weather applications: The Weather Network, Météo Média, and ElTiempo.

About Us: Established in 2001, Vivid Seats (NASDAQ: SEAT) stands as a premier online ticket marketplace, dedicated to seamlessly connecting fans with the live events, artists, and teams they cherish. We firmly believe in the transformative power of experiences and are unwaveringly committed to crafting products that foster human connections. Recognized as one of Built In's top workplaces in 2025, we understand that our people represent our most significant competitive advantage. Our culture is designed to empower employees to embrace challenges, promote collaboration, and continuously innovate through data-driven insights.We harness cutting-edge technology to enhance performance and unleash creativity. In our culture of innovation, we embrace AI tools to facilitate improved decision-making, streamline workflows, and deliver superior outcomes for our customers.

At BitGo, we are the premier provider of digital asset solutions, specializing in custody, wallets, staking, trading, financing, and settlement services from highly secure regulated cold storage. Since our inception in 2013, we have dedicated ourselves to empowering clients to confidently navigate the digital asset landscape. With a robust global presence and several Trust companies, we cater to thousands of institutions, including leading brands, exchanges, platforms, and millions of retail investors globally. As a vital component of the digital economy, BitGo processes a significant volume of Bitcoin network transactions and stands as the largest independent digital asset custodian and staking provider worldwide. To learn more, visit www.bitgo.com.This position requires full-time onsite work at our Toronto office to foster collaborative team dynamics and innovative problem-solving.We are seeking a skilled Mobile Software Engineer with extensive experience in React Native to join our team. In this role, you will contribute to the development of cross-platform mobile applications that enrich the BitGo experience for our customers.

Join MaintainX, the world's leading platform for asset management and work intelligence tailored for industrial and frontline environments. Our modern, IoT-based cloud solution enhances reliability, security, and operational efficiency for physical equipment and facilities. Serving over 12,000 companies, including notable names like Duracell, Univar Solutions Inc, Titan America, McDonald's, Brenntag, Cintas, Xylem, and Shell, we are at the forefront of operational excellence. Following our recent Series D funding round, we've raised $150 million, bringing our total funding to $254 million and valuing our company at $2.5 billion. We are on the lookout for a talented Mobile Software Developer to help us design, scale, and support our next-generation development platform. This role transcends traditional software development; it sits at the intersection of platform engineering, product strategy, and developer experience. In this position, you will significantly contribute to the platform components that facilitate the delivery of high-quality software by MaintainX teams. Your responsibilities will also include engaging in adoption activities: communication, documentation, demonstrations, and supporting development teams as platform clients. You will play a crucial role in our 'Platform-as-a-Product' approach, ensuring our internal platform is reliable, scalable, widely adopted, and provides substantial value. Key Responsibilities: Design and maintain the foundations of React Native and the tools that constitute our internal developer platform. Integrate AI workflows into your daily tasks and within the platform. Raise the standards of engineering excellence. Lead the consolidation and evolution of platform components: developer portal, local development, generators, CI/CD workflows, and infrastructure 'golden paths.' Collaborate with other platform teams and product development teams to define and drive the adoption of the internal developer platform.

Join Our Innovative TeamAt WallStreetBets, we are not just a finance community; we are a revolution in retail investing.With a thriving community of over 20 million users, we have redefined the landscape of investing, empowering everyday traders while making a significant impact on global markets. From our origins on Reddit to a name synonymous with the GameStop phenomenon, we continue to influence culture and finance.Our mission is clear: bridge the gap between retail and institutional investors by providing unparalleled access to cutting-edge tools, real-time data, and community-driven insights.Are you ready to be part of the journey to help one billion people achieve financial security while having fun?Your RoleWe are in search of a talented iOS-focused Mobile Developer to spearhead the enhancement of our mobile platform. In this role, you will craft fast, intuitive, and data-rich features that empower retail traders on-the-go.You will be responsible for delivering a high-performance application that integrates market data, earnings insights, real-time alerts, social sentiment, and community features. Your contributions will directly shape a mobile product that millions will rely on.This is an exciting opportunity to join us at an early stage, act swiftly, and create a transformative impact on how retail traders engage with the markets. This position is open to applicants globally and will be offered as a contract role. We celebrate diverse perspectives and are committed to building an inclusive team.If you’re eager to build the future of social finance with agility, creativity, and the unique flair of WSB, we invite you to connect with us!

TouchBistro Inc. develops and supports mobile applications that serve over 15,000 restaurants. The engineering team delivers updates multiple times a day, relying on strong internal tools and clear system monitoring to keep everything running smoothly. Role overview This Senior Mobile Software Developer position centers on building and enhancing React Native features for both iOS and Android. The work spans the full development cycle, from shaping ideas to releasing polished updates that improve the restaurant experience. What you will do Lead feature development: Take charge of React Native projects, guiding them from concept through launch for both major mobile platforms. Deliver iteratively: Break down projects into manageable pieces, shipping improvements quickly and using modern tools, including AI, to boost productivity. Collaborate closely: Work with teammates to design scalable solutions, participate in code reviews, and help refine development processes. Prioritize quality: Integrate testing, performance checks, and reliability measures into daily work to maintain high standards. Mentor others: Share knowledge with colleagues, helping to shape stronger engineering practices and tools across the team.

Our Work CultureAt TouchBistro, we empower over 15,000 restaurants by developing and scaling high-performance mobile applications. Our agile environment ensures we ship updates multiple times daily with advanced tooling and observability.Your RoleTake Ownership: You will fully own React Native features from their inception to deployment, ensuring exceptional user experiences on both iOS and Android platforms.Agile Development: Quickly build and iterate on features in small, shippable increments, leveraging modern tools and AI technologies to enhance efficiency.Collaborative Design: Work closely with your team to create scalable solutions, participate in insightful code reviews, and drive continuous improvements in our development processes.Quality Assurance: Integrate testing, performance optimization, and reliability into your workflow from the start, ensuring high-quality releases.Mentorship: Elevate the team's capabilities by mentoring junior developers and sharing your expertise.

Join NDAX, one of Canada’s premier and rapidly expanding cryptocurrency trading platforms, setting new standards in the fintech sector with a strong focus on security and innovation. Our mission is to empower Canadians to fully harness the potential of digital finance. Our diverse multidisciplinary team comprises experts from finance, technology, engineering, compliance, marketing, and beyond, working collaboratively to address the evolving needs of the Canadian cryptocurrency landscape.We are honored to be recognized as one of Canada’s Best Workplaces by Great Place to Work®.We are seeking a talented Senior React Native Developer to create scalable software solutions. You will be an integral member of a cross-functional team responsible for the complete software development lifecycle, from ideation to deployment. As a Senior React Native Developer, you will be adept with both front-end and back-end coding languages, development frameworks, and third-party libraries. A collaborative mindset and an appreciation for visual design and functionality are essential. Familiarity with Agile methodologies is highly valued.Your responsibilities will include: Collaborating within a small team to develop React Native applications for iOS and Android. Architecting, developing, and maintaining high-quality React Native applications with clean, efficient code. Creating pixel-perfect user interfaces that align with design specifications. Implementing modern, smooth animations and transitions to enhance user experience. Integrating third-party APIs seamlessly. Writing comprehensive unit and integration tests. Publishing applications to the Apple App Store and Google Play Store. Utilizing native modules when necessary. Engaging with a small team that includes other React Native developers, a project manager, QA specialist, and designer. Participating in two-week sprint cycles, including retrospectives and daily standups. Assisting with project estimation tasks. Utilizing modern tools like Jira, Slack, GitHub, Bitbucket, and Google Docs. Contributing to a community of React Native developers who share insights and support one another in overcoming challenges. Adhering to Full Stack's comprehensive development processes.

ABOUT USAt Xsolla, we are a pioneering global commerce company dedicated to empowering game developers with a suite of innovative tools and services. Our mission is to tackle the unique challenges within the video game industry and provide solutions that help creators succeed, whether they are indie developers or AAA studios. With our headquarters in Los Angeles, California, we proudly serve over 1,500 game developers globally, facilitating funding, distribution, marketing, and monetization strategies. Our unwavering belief in the future of gaming drives us to continuously provide new resources and opportunities to creators around the world. Discover more at xsolla.com.ABOUT YOUWe are seeking a talented Senior Software Engineer (React Native) to join our dynamic Mobile Engineering team. The ideal candidate will possess a strong architectural mindset, a commitment to quality, and a collaborative spirit. In this fast-paced environment, you will lead mobile architecture initiatives, develop scalable cross-platform applications, and establish shared code practices across both web and mobile platforms.Your expertise in React Native and JavaScript/TypeScript is crucial, coupled with an in-depth understanding of mobile architecture patterns and state management. Experience in delivering commercial mobile applications from ideation to launch is essential. You will also play a key role in designing scalable architectures, implementing comprehensive testing strategies (including E2E), optimizing application performance, and mentoring fellow developers while working collaboratively across cross-functional teams.If you're passionate about creating exceptional mobile experiences that scale and enjoy building seamless app ecosystems that enhance gaming, virtual currency, and digital commerce interactions, we invite you to apply!

BitGo builds infrastructure for digital asset custody, wallets, staking, trading, financing, and settlement. The company has focused on secure asset management since 2013, serving institutions and millions of retail investors worldwide. BitGo is recognized for handling a substantial share of Bitcoin network transactions and is known as the largest independent provider of digital asset custody and staking services. Learn more at www.bitgo.com. Role overview This full-time Frontend and Mobile Software Engineer position is based in Toronto, Ontario, Canada. Regular in-person work at the Toronto office is expected to encourage collaboration and support new ideas. What you will do Develop and enhance cross-platform mobile applications for BitGo’s products and services. Use React or React Native to deliver features that improve the user experience. Work closely with engineers and teams to create solutions for both institutional and retail users. Requirements Strong experience with React or React Native. Comfortable working onsite in Toronto as part of a collaborative team.

ABOUT USAt Xsolla, we are revolutionizing the way game developers navigate the complexities of the video game industry. As a global commerce powerhouse, we provide innovative tools and services that empower developers, from indie studios to AAA titans, to successfully fund, distribute, market, and monetize their games. Our unwavering belief in the future of gaming drives us to create new opportunities and resources for creators worldwide. Headquartered in Los Angeles, California, Xsolla has proudly partnered with over 1,500 game developers, helping them expand their reach and grow their businesses globally. With diverse pathways to profitability, we equip developers with everything they need to thrive in the gaming landscape.Discover more at xsolla.com.

Join Our Team at BetrFounded in 2022 by Joey Levy and Jake Paul, Betr is on a mission to revolutionize the gaming industry with the world's first real money gaming super app. Our inaugural product, Betr Picks, launched in September 2023, has already attracted hundreds of thousands of paying users who have collectively won over $250 million on our platform. With the recent introduction of Betr Arcade and ambitious plans to launch additional nationwide gaming products by 2025, we are set to redefine the gaming experience. Our user-friendly interface is designed to engage casual sports fans and gamers, allowing us to tap into the vast online gaming market.Our media division, Betr Media, is rapidly emerging as one of the leading sports gaming media brands in the U.S., playing a pivotal role in our user acquisition and retention strategies.Betr is proudly supported by esteemed investors including Fuel Venture Capital, Aliya Capital Partners, IA Sports Ventures, FinSight Ventures, Florida Funders, Harmony Partners, and 8vc.About the Role:We are seeking a talented Senior Frontend Engineer to join our dynamic mobile team! In this role, you will develop innovative applications using React Native and TypeScript, powering our Sportsbook, Social Sweepstakes Sportsbook, Arcade, and Casino products across iOS, Android, and web platforms. This position offers you the opportunity to take ownership of features from inception to deployment, work with real-time WebSocket data feeds, create hardware-accelerated graphics and physics-based animations, and deliver high-quality products to users across multiple U.S. states with stringent regulatory standards.

Join our dynamic development team at Mirego, where you will play a vital role in crafting innovative digital products designed to make a positive impact on the world, regardless of their scale or sector. If you are passionate about cross-platform development and believe that an exceptional mobile experience should seamlessly integrate both iOS and Android, you're the kind of person we're looking for.Your enthusiasm for development drives you to tackle exciting challenges and stay at the forefront of technology. It's not only the delivery of outstanding products and services that fills you with pride, but also the journey of collaboration and growth along the way. You are constantly seeking to surround yourself with top talent to learn and evolve together.

Join our dynamic team at System Canada Technologies as an iOS Mobile Developer. In this exciting role, you will leverage your skills to create innovative mobile applications that enhance user experiences and meet the needs of our diverse clientele.

About the RoleHello, I'm Hunter, the Development Manager for the Frontend Foundations team at Jane. My primary objective is to cultivate an environment that empowers my team to excel in their careers.In our team, this translates to providing Janers with the platforms and tools necessary to concentrate on addressing the unique challenges within their domains. We are responsible for the systems and standards that every product team at Jane relies on: Module Federation, build tooling, our Burrito design system across web and React Native, observability, and the ongoing transition from a decade of legacy patterns. When we excel, product teams can accelerate their efforts, ultimately enabling more clinics to provide better care for their patients. This connection underscores the significance of our work in fulfilling Jane's mission.Outside of work, I explore a variety of eclectic interests, including permaculture, pottery, music, and gaming. I enjoy the intersections where diverse areas overlap and inform each other.We are at a critical juncture at Jane. Our legacy frontend architecture has served us well, but we are actively updating it to create a modern, scalable, and AI-native platform. We are expanding our design system to include mobile capabilities through React Native, making significant investments in the systems and tooling that will facilitate seamless developer experiences. With the departure of a senior technical anchor, this role is not merely about execution; it is foundational. You will not inherit a static system with all the answers. Instead, you will shape the future of frontend engineering at Jane.The team you will join is curious, interconnected, collaborative, and genuinely passionate about AI-native development. We prioritize speed, quality, and believe that platform work is among the most impactful engineering tasks. If you thrive on deep technical execution, aim to improve processes, and are eager to enhance the experiences of developers at Jane, I would love to have a conversation with you.Your ImpactTake ownership of our Module Federation architecture, improving topology, registry governance, and the technical frameworks that product teams rely on. Establish a clear and documented vision for others to confidently follow and build upon.Lead our frontend modernization strategy, defining and implementing a deprecation plan for legacy systems, developing codemod tooling, and collaborating with teams to ensure safe and sustainable migration.Serve as a technical liaison across value stream teams, influencing architectural decisions that extend beyond the immediate scope of Frontend Foundations.

Join Toptal, a prestigious network of elite freelance software developers, designers, finance experts, marketing professionals, product managers, and project managers from around the globe. We specialize in offering independent contractor freelance opportunities, ensuring a flexible work environment that prioritizes quality and creativity.Our client, a leading global media and technology company, is on a mission to connect people with their passions. They are currently seeking talented engineers to enhance their Mail platform across Android, iOS, and Web. This role involves contributing to large-scale front-end web application development aimed at modernizing the Mail platform and elevating user satisfaction to match industry standards.The team is responsible for the end-to-end development and maintenance of webmail, mobile web, and classic web products. As a part of this dynamic team, you will play a pivotal role in shaping the future of their digital communication tools.Responsibilities:Provide technical leadership in a fast-paced environment.Enforce best practices including design reviews, code reviews, CI/CD, and TDD.Develop high-quality, high-performance features utilizing Node.js and React.js.Collaborate closely with designers, product managers, and fellow engineers.Write testable, reliable code and ensure continuous deployment.Optimize application performance and scalability.Operate and monitor global-scale production systems.Requirements:Minimum of 8 years of experience in React, Redux, Node.js, and responsive design.Strong understanding of computer science fundamentals: data structures, algorithms, and software design.Expertise in HTML5, CSS3, TypeScript, and modern JavaScript frameworks.

The Invoicing team at Lightspeed Commerce Inc. forms part of the Financial Services division. This group designs and maintains tools that help with both sales and pre-sales activities, as well as managing customer accounts receivable. Their work supports reliable financial processes for clients and contributes to business growth. Role overview The Senior Full Stack Developer (Go & React) will work on Lightspeed’s core financial products. Responsibilities include developing and maintaining important features, updating and improving the codebase, adding new capabilities, resolving bugs, and contributing to architectural improvements. The team values practical technical skills and a collaborative mindset for evolving both tools and processes. This position also involves supporting production operations, including participation in on-call rotations and handling related operational tasks as required. Requirements Must be currently residing in Canada. Lightspeed will only consider applicants located within Canada for this role.