20 publicaciones de empleo destacadas de software test engineer en buenos aires, b (¡Están contratando!)

Blockchain is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions.

We are looking for a Mid-Level React Native Engineer to help us evolve our mobile architecture into a modular, multiplatform system. This role is focused on enabling rapid development of new consumer apps by composing reusable building blocks from our existing stack and delivering them through high-quality React Native applications.

This is a hands-on engineering role where you will contribute to a new way of building apps at Blockchain.com—making it possible to quickly launch new crypto experiences across iOS and Android.

WHAT YOU WILL DO

Build and maintain React Native applications that leverage shared modules from our existing mobile and backend systems
Contribute to a modular architecture that enables rapid assembly of new apps from reusable components (auth, wallet, trading, on-ramp/off-ramp, etc.)
Collaborate with mobile, backend, and product teams to define clean interfaces between modules and ensure seamless integration
Translate product ideas into shippable mobile experiences with a focus on speed, quality, and scalability
Use AI-assisted development tools (e.g., Claude, Codex) to accelerate implementation, while ensuring correctness, performance, and maintainability
Validate and review AI-generated code, maintaining a high bar for quality and security
Contribute to shared UI patterns, component libraries, and developer tooling for faster app development
Participate in the full development lifecycle: prototyping, building, testing, releasing, and iterating
Support app store deployments, releases, and post-launch improvements
Debug issues across the stack and improve reliability and performance of mobile apps

WHAT YOU WILL NEED

2–5 years of experience in software engineering, with hands-on experience in React Native
Strong proficiency in JavaScript/TypeScript and modern mobile development practices
Experience building and shipping production mobile apps (iOS and/or Android)
Solid understanding of component-based architecture and modular design principles
Ability to work with APIs and integrate complex backend-driven features
Experience using AI developer tools (e.g., Claude, Codex) or strong interest in leveraging them effectively
Strong attention to detail and ability to review and validate code for quality and correctness
Familiarity with mobile performance, debugging, and testing best practices
Good communication skills and ability to collaborate across teams

NICE TO HAVE

Experience with native mobile development (Swift, Kotlin, or Java)
Experience working on shared codebases or cross-platform architectures
Familiarity with crypto, wallets, or financial applications
Experience integrating third-party services (e.g., payments, authentication, on-chain providers)
Experience with CI/CD pipelines and app store release processes
Exposure to secure key management, authentication flows, or MPC wallets

COMPENSATION & PERKS

Competitive full-time salary based on experience and meaningful equity in an industry-leading company
This is a role based in our Palermo office, with a mandatory in-office presence four days per week.
The opportunity to be a key player and build your career at a rapidly expanding, global technology company in an exciting, emerging industry.
Performance-based bonuses
Apple equipment provided by the company
Work from Anywhere Policy: You can work remotely from anywhere in the world for up to 20 days per year.

Blockchain is committed to diversity and inclusion in the workplace and is proud to be an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, religion, color, national origin, gender, gender expression, sex, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, and apprenticeship. Blockchain makes hiring decisions based solely on qualifications, merit, and business needs at the time.

You may contact our Data Protection Officer by email at [email protected]. Your personal data will be processed for the purposes of managing Controller's recruitment related activities, which include setting up and conducting interviews and tests for applicants, evaluating and assessing the results thereto, and as is otherwise needed in the recruitment and hiring processes. Such processing is legally permissible under Art. 6(1)(f) of Regulation (EU) 2016/679 (General Data Protection Regulation) as necessary for the purposes of the legitimate interests pursued by the Controller, which are the solicitation, evaluation, and selection of applicants for employment.

Your personal data will be shared with Greenhouse Software, Inc., a cloud services provider located in the United States of America and engaged by Controller to help manage its recruitment and hiring process on Controller's behalf. Accordingly, if you are located outside of the United States, your personal data will be transferred to the United States once you submit it through this site. Because the European Union Commission has determined that United States data privacy laws do not ensure an adequate level of protection for personal data collected from EU data subjects, the transfer will be subject to appropriate additional safeguards under the standard contractual clauses.

Your personal data will be retained by Controller as long as Controller determines it is necessary to evaluate your application for employment. Under the GDPR, you have the right to request access to your personal data, to request that your personal data be rectified or erased, and to request that processing of your personal data be restricted. You also have the right to data portability. In addition, you may lodge a complaint with an EU supervisory authority.

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