Senior React Native Engineer at Blockchain | Buenos Aires

Blockchain has connected millions of people to digital finance since 2011. Over 90 million wallet holders and 40 million verified users have used the platform to move more than $1 trillion securely. The company continues to build trusted tools for cryptocurrency transactions worldwide. The team seeks a Senior React Native Engineer based in Buenos Aires. This position will help shape the next stage of Blockchain’s mobile architecture, focusing on modular, multiplatform systems that enable faster launches of new consumer apps. The work involves building high-quality React Native applications for both iOS and Android by reusing components from the existing stack. What you will do Design and build scalable React Native apps using shared modules from mobile and backend systems. Lead the architecture of a modular, reusable system to quickly assemble new apps from core components like authentication, wallet, trading, and on-ramp/off-ramp features. Define and maintain clear module boundaries to support flexibility and long-term reliability. Drive complex projects from technical design through delivery and iteration, collaborating with multiple teams. Translate broad product ideas into structured technical plans, balancing speed, quality, and scalability. Use AI-assisted development tools (such as Claude and Codex) to accelerate development, while upholding standards for accuracy, performance, and security. Review and refine AI-generated code to ensure it meets production standards. Advance shared UI systems, component libraries, and developer tools to support team productivity. Take responsibility for the quality, performance, and reliability of systems, including monitoring and debugging in production. Mentor junior engineers, participate in code reviews, and help raise engineering standards across the team. Work closely with Product, Design, Backend, and Mobile teams to deliver integrated user experiences. Support release processes, app store submissions, and ongoing improvements after launch.

Blockchain operates a global cryptocurrency platform that has supported over 90 million wallet holders and more than 40 million verified users since 2011. The company has processed transactions exceeding $1 trillion, with a focus on secure digital currency access worldwide. Role overview The team seeks a Mid-Level React Native Engineer in Buenos Aires. This position centers on shaping a modular, multiplatform mobile architecture to streamline the creation of new consumer applications. The engineer will work with existing technology to assemble reusable components and deliver React Native apps that meet high standards for quality. What you will do Contribute to the development of modular, multiplatform mobile systems Build and maintain reusable components for faster app development Deliver React Native applications for iOS and Android Support the launch of new crypto experiences for users Location This position is based in Buenos Aires.

Join Blockchain, the leading innovator in cryptocurrency and financial technology, as we redefine how the world engages with finance. As the fastest-growing and most trusted global crypto company, Blockchain empowers millions globally to safely access cryptocurrency. Since our establishment in 2011, we have gained the confidence of over 90 million wallet holders and more than 40 million verified users, facilitating transactions exceeding $1 trillion in the crypto realm.Our dynamic engineering team is at the forefront of transforming the financial services landscape, enabling millions across the globe. We are on the lookout for a Mid-level iOS Engineer to join our fast-paced engineering team, focusing on rapidly developing, refining, and launching high-quality software that enhances user experience worldwide. In this role, adaptability to our rapid growth and the ever-evolving crypto ecosystem is essential.Our developers tackle some of the most intriguing challenges in the cryptocurrency sector while efficiently and securely scaling a distributed platform that serves millions daily. We invite you to be part of our journey!

Blockchain is at the forefront of transforming the financial landscape globally. As the most reliable and rapidly expanding cryptocurrency platform, we empower millions of individuals to securely engage with digital currencies. Since our launch in 2011, we have gained the confidence of over 90 million wallet holders and more than 40 million verified users, enabling over $1 trillion in cryptocurrency transactions.Our engineering division is dedicated to creating innovative technologies that are reshaping the financial services sector, providing empowerment to millions worldwide. We are seeking a talented Android Engineer to become a vital part of our dynamic engineering team, tasked with swiftly developing, iterating, and deploying high-quality software solutions that cater to users globally. You should be adaptable and ready to align with our rapid growth and the ever-changing cryptocurrency ecosystem.Our development team is addressing some of the most exciting challenges in the crypto domain while ensuring the secure scalability of a distributed platform that serves millions daily. We invite you to join us!

Join our innovative team as a Senior React Native Engineer at SoftwareMind, where you will play a pivotal role in developing cutting-edge mobile applications. We are seeking a passionate and experienced engineer who thrives in a dynamic environment and is eager to collaborate with cross-functional teams to create exceptional user experiences.

Coderio develops digital solutions for enterprise clients around the globe. Teams here handle projects from architecture through delivery, blending strong technical skills with a focus on product outcomes. The company emphasizes autonomy, open communication, and technical excellence. Working with international partners is a regular part of the job. More information: http://coderio.com Role overview The Senior Mobile Engineer position is based in Buenos Aires and joins a seasoned technical team. This team is responsible for a strategic platform that processes real-time data. The main objective is to enhance the mobile aspect of the product, ensuring plant operators can reliably access key performance indicators (KPIs), even with limited network connectivity. What you will do Work on improving the mobile experience for field users Focus on delivering clear and reliable data access, especially in areas with unstable connections Contribute to shaping how the mobile product evolves, not just routine maintenance Collaboration This role involves working closely with other technical experts and supporting users who depend on timely, accurate data in the field.

Join our dynamic team at coderio as a Senior Software Engineer, where you will leverage your expertise in .NET, React, and Azure to develop innovative software solutions. In this role, you will work closely with cross-functional teams to design, implement, and maintain applications that meet our clients' needs. Your contributions will play a critical role in enhancing our technological capabilities and driving project success.

Join Concourse, a pioneering company revolutionizing corporate finance with AI agents that enhance decision-making by connecting enterprise data sources and delivering insights through natural language processing.In less than a year, we've experienced remarkable growth, deploying our AI solutions in numerous high-growth firms, including unicorns like Persona and Front, as well as Fortune 500 companies.Backed by renowned investors such as Andreessen Horowitz and CRV, we foster a collaborative and energetic remote work environment in Buenos Aires, ensuring both rapid iteration and deep focus.About the RoleWe are seeking a passionate Frontend Engineer to enhance customer interactions with our AI agents. Your role will involve transforming complex financial data and AI workflows into intuitive and engaging product experiences. You'll create user interfaces that allow finance teams to uncover insights, perform analyses, and gain a comprehensive understanding of their business, shaping how they perceive the power of Concourse.Utilizing React and TypeScript, you will deliver high-quality, efficient UI components. As an early member of our engineering team, you will play a crucial role in defining frontend architecture, product patterns, and excellence in UI craftsmanship. If you're passionate about creating stunning interfaces and eager to contribute to defining a category-leading product, we want to hear from you!

Blockchain.com is at the forefront of revolutionizing the financial landscape. As the most reliable and rapidly expanding global cryptocurrency company, we empower millions of individuals worldwide to securely engage with cryptocurrency. Since our establishment in 2011, Blockchain.com has garnered the confidence of over 90 million wallet holders and more than 40 million verified users, successfully facilitating transactions exceeding $1 trillion in cryptocurrency.In this role, you will be responsible for planning, executing, and overseeing the implementation of security controls at Blockchain.com to ensure compliance with established standards. Your key responsibilities will include ensuring that all IT services adhere to the necessary legal frameworks, evaluating information security risks, and identifying solutions to mitigate exposure. You will also play a crucial role in pursuing new certifications, audits, and frameworks, acting as a bridge between audit requirements and engineering teams.

Blockchain.com is at the forefront of revolutionizing the financial landscape globally. As one of the fastest-growing and most trusted companies in the cryptocurrency sector, we empower millions to securely access and manage their digital assets. Since our establishment in 2011, we have garnered the trust of over 90 million wallet holders and facilitated more than $1 trillion in crypto transactions.We are on the lookout for a meticulous and seasoned Accounting Manager to lead our core accounting operations in a dynamic, high-growth fintech environment. This pivotal role will oversee financial reporting, manage the month-end close process, implement internal controls, and ensure compliance while nurturing and developing a high-performing accounting team.The ideal candidate will possess robust technical accounting skills and excel in navigating a fast-evolving regulatory landscape. While experience in fintech or cryptocurrency is an advantage, it is not a mandatory requirement.WHAT YOU WILL DO:Financial Reporting & CloseOversee the month-end, quarter-end, and year-end close processes.Prepare and review consolidated financial statements compliant with US GAAP or IFRS.Guarantee the accuracy, completeness, and timeliness of financial reporting.Supervise general ledger activities, journal entries, and account reconciliations.Technical AccountingResearch and interpret accounting standards to apply them to complex transactions.Develop and implement accounting policies ensuring consistent application throughout the organization.Collaborate with external auditors on technical accounting issues and audit deliverables.Internal Controls & ComplianceEnhance and maintain internal controls over financial reporting.Ensure adherence to regulatory and reporting requirements.Support both internal and external audit processes.Process Improvement & SystemsIdentify and implement opportunities to streamline accounting processes and enhance efficiency.Collaborate with Finance Systems and cross-functional teams to improve ERP and reporting tools.Establish scalable accounting procedures to accommodate business growth.Team LeadershipManage, mentor, and develop the accounting team.Set clear performance goals and expectations for team members.

WHO WE ARESQUIRE is the premier business management system tailored specifically for barbers, shop owners, and their communities. We believe that creativity and independence should not be hindered by the challenges of managing a business. SQUIRE offers custom-branded tools, resources, and support to enable barbers of all experience levels to attract and retain customers, streamline shop operations, and enhance revenue.Since our inception in 2015, SQUIRE has earned the trust of over 30,000 barbers across more than 5,000 shops in over a thousand cities globally. Our solutions range from efficient booking systems and opening new locations to real-time earnings dashboards and fostering enduring customer connections. SQUIRE empowers barbers to maximize their artistic and entrepreneurial potential.For further insights, please visit getsquire.com or download the SQUIRE app from the App Store or Play Store. SUMMARYAs a Full Stack Engineer, you will play a crucial role in developing and maintaining high-quality, scalable product features across both front-end and back-end systems. Your responsibilities will include creating intuitive user experiences while ensuring robust server-side architecture and seamless system integrations. Collaborating with Product, Design, and Engineering teams, you will deliver reliable, performant, and scalable applications. The Engineering Manager will oversee hiring and technology policies.REPORTS TOEngineering Manager

Join our dynamic team as a Senior DevOps Engineer, where you will be at the forefront of our cloud and security initiatives. In this pivotal role, you will collaborate with cross-functional teams to enhance our infrastructure and automate processes, ensuring robust and efficient operations.

About GoFundMe GoFundMe connects a global community of over 150 million people who support each other through fundraising. Since 2010, the platform has helped raise more than $30 billion for causes worldwide. In 2022, GoFundMe partnered with Classy, a leading nonprofit fundraising software provider, to expand its reach and impact. Role Overview The Mobile team at GoFundMe is looking for a Senior Android Engineer. This team builds and maintains key features that help people support one another through the GoFundMe platform. Location This is a hybrid role based in Buenos Aires, Argentina.

About ConcourseAt Concourse, we are dedicated to revolutionizing corporate finance through innovative AI agents. Our technology seamlessly integrates with core enterprise data sources, enabling AI agents to analyze data naturally, provide instant insights, and empower our clients to make informed decisions. Since our inception less than a year ago, we have rapidly expanded, partnering with numerous high-growth companies, including unicorn startups like Persona, Front, and Lightmatter, as well as Fortune 500 giants.Supported by industry leaders such as Andreessen Horowitz and CRV, we are on a mission to transform the finance landscape.About the RoleWe are seeking a passionate Frontend Engineer to redefine how our customers engage with Concourse's groundbreaking AI solutions. Your role will be pivotal in converting intricate financial data and AI workflows into user-friendly and engaging product experiences.In this position, you will be responsible for developing intuitive interfaces that allow finance teams to explore insights and conduct analyses efficiently. Your contributions will directly influence our customers' experience with Concourse's capabilities.Utilizing technologies such as React and TypeScript, you will deliver high-quality user interfaces swiftly. As one of the initial engineers, you will play a significant role in shaping our frontend architecture, product patterns, and standards for speed and quality. Collaborating closely with the founders, engineering team, and customers, you will help iterate quickly to create a world-class product.This opportunity is perfect for someone who has a keen eye for UI excellence, takes pride in crafting beautiful interfaces, and is eager to lay the groundwork for a product that defines its category.

Join Cocoscapital, where we believe investing is simple and accessible for everyone!We have developed a fully digital platform that is straightforward and secure, currently serving over 1 million users.Our mission is to revolutionize the financial system and democratize access to capital markets by providing innovative and personalized solutions, integrating all financial products into a single app.We boast an incredible team made up of top professionals in their fields, always prioritizing the user in everything we do.We have an exciting opportunity for you: we are on the lookout for a Senior Front End Developer to join our IT team .In this pivotal role, you will significantly contribute to our development team's success by designing, implementing, and maintaining high-quality software solutions that meet performance and scalability standards within a collaborative and continuously learning environment.You will work closely with a talented IT team, enhancing security across all aspects of our application development.This is a hybrid position, with our offices located in Florida, Vicente López.

Role Overview Coderio is looking for a Senior Java Engineer in Buenos Aires to help build scalable, high-performance applications. This role focuses on designing, developing, and maintaining Java-based solutions for a range of client projects. What You Will Do Work closely with cross-functional teams to deliver reliable software Design and implement Java solutions tailored to client requirements Maintain and improve existing applications for performance and scalability Who We’re Looking For Strong experience with Java development Comfortable collaborating in an agile environment Enjoys solving complex problems and writing clean code

About CookUnity:At CookUnity, we believe that food should be a source of nourishment, inspiration, and connection. Founded in 2018, we are the pioneering platform that links individuals with exceptional chefs, delivering over 50 million meals annually across the country. Our meals are fresh, ready-to-eat, and crafted with care and passion, bringing culinary excellence right to your home.But we’re not stopping there. CookUnity is evolving into a dynamic marketplace with a singular mission: empowering chefs to feed the world.If this mission resonates with you, then you’ve come to the right place.About the Team:Fraîche is CookUnity’s premium smart fridge solution for workplaces, offering fresh, chef-crafted meals, snacks, and beverages available 24/7 right in the office. Employees can explore a diverse menu on the Fraîche mobile app to unlock the IoT-enabled fridge and enjoy their meals without pre-ordering. As part of CookUnity’s B2B division, Fraîche is redefining the dining experience in workplaces, transforming how employees eat at work.We are looking for a Senior Backend / Platform Engineer with robust backend engineering experience and the capability to contribute to our mobile app (approximately 70% backend / 30% mobile). In this role, you will enhance our platform capabilities that power the Fraîche experience, including backend services developed with PHP and Symfony, data systems (PostgreSQL, Elasticsearch), message queues, Redis, and infrastructure operations. Additionally, you will contribute to the Fraîche mobile app (Flutter preferred, React Native acceptable) for both hardware-aware and user-facing features. If you are passionate about backend development, platform reliability, automation, and creating products that seamlessly connect the digital with the physical, this position is perfect for you!

Join Coderio as a Senior Frontend Engineer and play a pivotal role in developing innovative web applications that enhance user experience and drive company success. You will collaborate with cross-functional teams, utilize modern technologies, and contribute to the overall architectural design of projects.

Join us at AppsFlyer, where our vibrant culture is shaped by our dedicated team! We pride ourselves on being approachable professionals, relentless problem-solvers, and valued mentors.Are you passionate about tackling intricate technical challenges? We're seeking a dynamic Senior Support Engineer who prioritizes customer satisfaction and excels in delivering outstanding support services to our clientele.The ideal candidate is a natural communicator and adept at problem-solving. You will collaborate closely with our R&D, Customer Success, and Product Teams, participating in cross-department projects that significantly influence our product's evolution by providing crucial insights and feedback.Key Responsibilities:Assume full ownership of customer technical issues, from initial troubleshooting to resolution and communication.Act as the primary point of contact for customer escalations, ensuring meticulous issue resolution.Collaborate with R&D and Product teams on escalations and enhancement requests.Contribute to our knowledge base with relevant technical insights.Lead initiatives to improve support processes across the organization.Provide valuable product feedback to the business and R&D teams.Manage various internal projects, including training and support readiness for new feature launches.Advocate for our VIP customers, partnering closely with the Customer Success and Business teams.What We Seek:A passion for resolving customer issues in a fast-paced environment.5+ years of experience in technical support, QA, data analysis, development, or technical account management.Proficiency in SQL and data management.Familiarity with at least one programming language.Outstanding written and verbal communication skills.Ability to facilitate communication between clients and internal teams.Quick learner of new technologies.Strong multitasking abilities and capability to work independently.Structured and process-oriented mindset.Bonus Qualifications:Experience in web/mobile marketing and digital advertising.Background in web, SDK, mobile development, or QA.

About the RoleJoin our dynamic team at Silver as a Senior Platform Engineer. In this pivotal role, you will serve as a crucial link between development requirements and a robust, secure infrastructure, tackling existing bottlenecks in execution efficiency, code reviews, and approvals.With a focus on product development, you will be tasked with creating and maintaining the foundational hardware and software layers utilized by our engineers and scientists. Your collaborative approach and in-depth understanding of production systems will be essential as we expand our platform team to accelerate development processes and allow all teams to concentrate on their core competencies.Key ResponsibilitiesDefine the vision and goals of the infrastructure team in partnership with the CTO, actively shaping our strategic direction.Enhance execution and review capabilities by writing code, conducting design documentation, and performing code reviews, significantly impacting platform project delivery.Develop internal tools that empower teams to operate independently.Lead architectural advancements by identifying and addressing critical issues to enhance system performance and scalability.Provide ongoing support to all teams, helping to meet their infrastructure needs and boost productivity.QualificationsDemonstrated experience with large-scale production systems, managing high-traffic, mission-critical environments, and resolving performance issues to ensure optimal stability and reliability.In-depth knowledge of cloud architecture and Infrastructure-as-Code (IaC), particularly with Kubernetes, AWS, and Terraform.A security-first approach, with expertise in security best practices, penetration testing, credential management, and threat modeling.Strong understanding of CI/CD principles and the ability to implement CI/CD pipelines using tools such as Jenkins, GitLab CI, or GitHub Actions.Proactive problem solver with a robust sense of ownership for production code.Comprehensive understanding of engineering and infrastructure best practices.