Senior Mobile Software Engineer (React Native) at BitGo | Toronto, Ontario

Join BitGo, the premier infrastructure provider of digital asset solutions, specializing in custody, wallets, staking, trading, financing, and settlement services from regulated cold storage. Since our inception in 2013, we have dedicated ourselves to empowering clients to securely navigate the digital asset landscape. With a robust global presence and multiple Trust companies, BitGo is proud to serve thousands of institutions, including many of the industry's leading brands, exchanges, and platforms, along with millions of retail investors around the globe. As a cornerstone of the digital economy, BitGo facilitates a substantial portion of Bitcoin network transactions, establishing us as the largest independent digital asset custodian and staking provider worldwide. For further details, visit www.bitgo.com.This position requires full-time onsite presence at our Toronto office, fostering collaborative team dynamics and innovative problem-solving.We are seeking a Senior Software Engineer to join our Hardware Security Module (HSM) team, aiding in the development of an API-first platform designed for businesses and developers to launch innovative crypto products.

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 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.

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.

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.

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.

Join BitGo, a leading provider of digital asset infrastructure solutions, where we empower clients to securely navigate the evolving landscape of digital assets. Since our inception in 2013, we have established a trusted global presence, providing custody, wallets, staking, trading, financing, and settlement services. Serving thousands of institutions, including top brands and millions of retail investors, BitGo is recognized as the largest independent digital asset custodian and staking provider globally. For further details, 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 looking for a Senior Software Engineer to architect and build the next generation of trade settlement infrastructure tailored for institutional cryptocurrency trading. You will create robust state machines and event-driven microservices that underpin our order management and double-entry accounting systems.

BitGo is at the forefront of digital asset infrastructure, offering a wide range of solutions including custody, wallets, staking, trading, financing, and settlement services, all from secure regulated cold storage. Since our inception in 2013, we have dedicated ourselves to empowering clients to safely explore the digital asset landscape. With a global footprint and multiple Trust companies, BitGo caters to thousands of institutions, including leading brands, exchanges, and platforms, serving millions of retail investors globally. As a pivotal component of the digital economy, BitGo manages a substantial share of Bitcoin transactions and stands as the largest independent digital asset custodian and staking provider worldwide. For further details, visit www.bitgo.com.This position requires full-time presence at our Toronto office to foster effective teamwork and innovative solutions.We are seeking a talented Software Engineer to join our Trade team, where you will be instrumental in developing resilient and robust services while managing critical projects with minimal supervision.

About SentryAt Sentry, we're on a mission to eliminate bad software by empowering developers to create better applications at a faster pace. Our innovative performance and error monitoring tools are trusted by over 100,000 organizations, including industry giants like Disney, Microsoft, and Atlassian, who share our vision for quality software development.With over $217 million in funding, we’re excited to embrace a hybrid work model across our global offices. Join us in our Toronto location on Mondays, Tuesdays, and Thursdays for collaborative in-office sessions. If you're passionate about enhancing the digital experience and eager to contribute to the next generation of software monitoring tools, we want you on our team.Your Opportunity in Mobile App MonitoringThis is an extraordinary engineering position within Sentry's Mobile SDK team, where we are dedicated to developing tools that serve a global audience. As a Senior iOS SDK Engineer, you will work on cutting-edge technologies, processing over a billion events daily.You will delve into Apple's latest innovations including powerful APIs and SwiftUI, taking on complex challenges that excite you and your peers.Your ResponsibilitiesAs the architect of our iOS SDK, you will oversee its evolution, from foundational architecture to user experience. You will lead the charge on innovative features such as Session Replay and advanced performance monitoring, while mastering modern concurrency and on-device AI.Your expertise will be pivotal in designing scalable, high-quality APIs and shaping Sentry's mobile vision, making you the expert our teams rely on for solving complex customer challenges.Why You Will Thrive HereWe seek an individual who is not only skilled in their craft but is also enthusiastic about creating elegant, user-friendly tools that other developers will love. You will have the opportunity to contribute significantly to a major open-source project and witness the immediate impact of your efforts in our dynamic environment.You will collaborate with thoughtful and driven engineers in a culture that encourages excellence and continuous learning.

Role overview BitGo is hiring a Senior Infrastructure Engineer in Toronto, Ontario. This role focuses on designing and maintaining the company’s infrastructure. The position works closely with teams across the organization to improve system performance, scalability, and reliability.

At BitGo, we are the premier provider of digital asset infrastructure solutions, specializing in custody, wallets, staking, trading, financing, and settlement services from regulated cold storage. Since our inception in 2013, we have empowered clients to navigate the digital asset landscape securely. With a worldwide presence and multiple Trust companies, BitGo serves thousands of institutions, including top brands, exchanges, and platforms, as well as millions of retail investors globally. As a cornerstone of the digital economy, we manage a significant share of Bitcoin network transactions, establishing ourselves as the largest independent custodian and staking provider in the digital asset realm. Discover more about us at www.bitgo.com.Our Solutions Engineering team collaborates closely with both prospective and current clients, providing workshops and training on BitGo's offerings, while guiding them through the technical journey from sales to onboarding. We are in search of a seasoned professional based in Toronto who can foster and nurture strong relationships with our clients.

Empower Every Identity, from AI to HumanAt Okta, we believe that identity is the cornerstone of unlocking AI's full potential. Our mission is to provide a secure, neutral infrastructure that allows organizations to thrive in this new era. This role requires a deep commitment to tackling complex challenges that have real-world implications. We are seeking innovative builders and owners who act swiftly and execute with precision.This is your chance to engage in work that defines your career. We are fully dedicated to this mission, and if you share our enthusiasm, we want to hear from you.At Okta, exceptional technology is the product of exceptional individuals, and we continually seek team members who bring energy, passion, commitment, and collaboration. These traits have been pivotal in shaping Okta into the outstanding company it is today.What do we create? Auth0 is an authentication and authorization platform crafted by developers, for developers. Our goal is to ensure user logins are safe, secure, and seamless. We aim to protect the world's identities, enabling innovators to innovate—a significant endeavor that relies heavily on teamwork.We are currently in search of a Senior Software Engineer to join our elite Extensibility Engineering team. You'll play a critical role in enhancing our ultra-low latency, secure, and scalable platform for executing untrusted code. This position offers the opportunity to make a substantial impact on the foundation of Auth0's ecosystem, benefiting our customers and partners immensely.

About BreeBree is a cutting-edge consumer finance platform dedicated to revolutionizing financial services for over half of Canadians living paycheck to paycheck. We are tapping into an expansive yet underdeveloped market in Canada, which has lagged in financial technology innovation compared to other developed nations. Our mission is to provide the most affordable and efficient short-term credit options to the 20 million Canadians facing financial challenges.With over 600,000 Canadians already on board, we believe we are only at the beginning of our journey. We are witnessing remarkable growth, achieving product-market fit, and charting a clear path towards becoming a leading FinTech company in Canada.Currently, we are generating eight figures in annual revenue, experiencing double-digit monthly growth, being profitable, and maintaining a zero voluntary employee churn rate. Our participation in Y Combinator in 2021 and a subsequent $2M seed funding round has set the stage for our future success.About the RoleAt Bree, we are assembling a dynamic and high-ownership engineering team focused on delivering customer value swiftly and efficiently. Our emphasis is on impact, reliability, and maintaining momentum rather than pursuing perfection for its own sake. As a Software Engineer, you will be responsible for owning features from inception to deployment across our Lambda-based backend and React Native applications. You will need to make informed decisions in situations with limited product specifications, navigate engineering trade-offs, and rapidly iterate to deliver value to our customers. Your builder’s mindset will be complemented by necessary testing and observability to ensure stability during development.What You'll DoDevelop and ship full-stack features from product discovery and scoping to implementation and release.Utilize a TypeScript/Node serverless stack (AWS Lambda, API Gateway, SQS) and React Native frontends.Make practical decisions in ambiguous scenarios; proactively resolve obstacles without waiting for perfect specifications.Implement instrumentation for logging, metrics, and alerts, alongside adding tests for stable releases.Enhance existing features through opportunistic refactoring and addressing technical debt while maintaining delivery speed.Collaborate closely with design and product teams to focus on outcomes that matter to customers rather than theoretical perfection.What You'll NeedExperience in a startup environment, successfully delivering products in lean settings.Strong skills in TypeScript, Node.js, and React Native development.A pragmatic approach to problem-solving and the ability to work independently.Experience with AWS services and serverless architecture.A desire to continuously learn and adapt in a fast-paced environment.

Join Sensor Tower, a leading provider of mobile market intelligence, as a Senior Frontend Engineer specializing in React. In this role, you will be pivotal in enhancing our user interface and ensuring a seamless experience for our clients. You will collaborate with cross-functional teams to design and implement high-quality and innovative web applications.

Join the Government of Ontario as a Solutions Development Software Specialist specializing in .NET technologies. In this role, you will collaborate with cross-functional teams to deliver innovative software solutions that enhance government operations and services. Your expertise will drive the development and deployment of robust applications while ensuring compliance with industry standards.

League Inc. builds a healthcare consumer experience platform powered by artificial intelligence. Since 2014, the company has reached over 63 million people worldwide, working with payers, providers, and consumer health organizations to deliver personalized digital healthcare solutions. League supports well-known brands including Highmark Health, Manulife, Medibank, and Shoppers Drug Mart, and has raised more than $285 million in venture capital. Role overview This intermediate Software Engineer role focuses on Android development with a multistack and AI-native approach. The position covers mobile (Android/iOS), web, and platform engineering, emphasizing the creation of scalable systems, developer tools, and shared features that support League’s applications across Android, iOS, web, and backend services. Work involves tackling complex, cross-platform challenges from start to finish. Success in this role requires a systems-oriented mindset, strong engineering fundamentals, and comfort using AI to accelerate development and improve code quality. League values engineers who look beyond a single platform to consider the broader system. Team focus: Member Portal The Member Portal team supports millions of users as they check coverage, manage claims, and access ID cards on web, iOS, and Android. The team aims to simplify healthcare navigation and use AI to help members better understand and use their plans. The work brings real-world challenges and opportunities to make a tangible difference for users. What you will do Build and maintain platform capabilities and shared systems for mobile (Android), backend, and web Contribute across the stack using Kotlin, Swift, backend services, APIs, and developer tooling as needed Help design and evolve internal developer tools, SDKs, and platform infrastructure Participate in full system design, including architectural decisions and trade-off analysis

At ZoomInfo, we are where careers take off. We thrive in a fast-paced environment that encourages bold thinking and empowers you to deliver your best work. Join a team that values deep connections, challenges conventional thinking, and celebrates achievements together. With cutting-edge tools that enhance your impact and a culture that supports your aspirations, you will not only contribute—you will drive results swiftly.As a Senior Full Stack Engineer on the Chorus Engagement team, you will play a pivotal role in Chorus.ai, our renowned Conversation Intelligence platform. Chorus processes and analyzes a vast array of sales calls, providing insights that empower sales professionals to excel and compete at the highest levels. You will oversee customer-facing product areas ranging from AI-enhanced tools to advanced data visualizations, architecting solutions capable of managing millions of customer requests daily.Whether your strengths lie in frontend or backend development, your expertise and willingness to learn will find ample opportunity here. You will collaborate with exceptionally talented engineers who will inspire you to reach new heights, all while pursuing ambitious goals that truly make a difference.

Join the Government of Ontario as a Senior EMS Analyst, where you will play a vital role in enhancing emergency management systems. This position involves analyzing data, developing reports, and providing strategic insights to ensure efficient operation and planning.

Discover OktaAt Okta, we are known as The World’s Identity Company. Our mission is to empower individuals to safely access any technology, regardless of the device or application. Our versatile products, including the Okta Platform and Auth0 Platform, provide secure access, authentication, and automation, making identity a cornerstone of business security and growth.We embrace a diverse range of perspectives and experiences. We are not seeking someone who fits every criterion; rather, we value lifelong learners and those who can enhance our team with their distinct backgrounds.Join us in creating a world where Identity is in your hands.The Streaming Foundations team develops and manages data pipeline infrastructure designed to support event streaming, messaging, and analytics. We are searching for a Software Engineer who is enthusiastic about distributed systems, platform engineering, and tackling data-intensive challenges at scale. In this pivotal role, you will collaborate with engineers across the organization to establish foundational infrastructure that will enable Auth0 to grow sustainably for years to come.