{"id":67414,"url":"https://alion.io/job/blockchain-com-mid-level-react-native-engineer","title":"Mid-Level React Native Engineer","company":{"id":4744,"name":"Blockchain.com","domain":"blockchain.com","url":"https://alion.io/company/blockchain-com","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":88,"open_postings":33,"ghost_share":0.121,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":80,"computed_at":"2026-10-06T05:45:30Z"}},"role":"Mobile","role_family":"Mobile","seniority":"middle","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Buenos Aires, Argentina"],"countries":["AR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Claude","optional":false},{"name":"JavaScript","optional":false},{"name":"React Native","optional":false},{"name":"TypeScript","optional":false},{"name":"CI/CD","optional":true},{"name":"GDPR","optional":true},{"name":"Kotlin","optional":true},{"name":"React.js","optional":true},{"name":"Swift","optional":true}],"status":"live","first_seen_at":"2026-04-23T14:33:15Z","employer_posted_date":"2026-08-24","last_verified_at":"2026-10-06T22:07:55Z","board_verified":true,"closed_at":null,"days_open":166,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":165},"description":"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.\nWe 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.\nThis 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.\nWHAT YOU WILL DO\nBuild and maintain React Native applications that leverage shared modules from our existing mobile and backend systems\nContribute to a modular architecture that enables rapid assembly of new apps from reusable components (auth, wallet, trading, on-ramp/off-ramp, etc.)\nCollaborate with mobile, backend, and product teams to define clean interfaces between modules and ensure seamless integration\nTranslate product ideas into shippable mobile experiences with a focus on speed, quality, and scalability\nUse AI-assisted development tools (e.g., Claude, Codex) to accelerate implementation, while ensuring correctness, performance, and maintainability\nValidate and review AI-generated code, maintaining a high bar for quality and security\nContribute to shared UI patterns, component libraries, and developer tooling for faster app development\nParticipate in the full development lifecycle: prototyping, building, testing, releasing, and iterating\nSupport app store deployments, releases, and post-launch improvements\nDebug issues across the stack and improve reliability and performance of mobile apps\nWHAT YOU WILL NEED\n2-5 years of experience in software engineering, with hands-on experience in React Native\nStrong proficiency in JavaScript/TypeScript and modern mobile development practices\nExperience building and shipping production mobile apps (iOS and/or Android)\nSolid understanding of component-based architecture and modular design principles\nAbility to work with APIs and integrate complex backend-driven features\nExperience using AI developer tools (e.g., Claude, Codex) or strong interest in leveraging them effectively\nStrong attention to detail and ability to review and validate code for quality and correctness\nFamiliarity with mobile performance, debugging, and testing best practices\nGood communication skills and ability to collaborate across teams \nNICE TO HAVE\nExperience with native mobile development (Swift, Kotlin, or Java)\nExperience working on shared codebases or cross-platform architectures\nFamiliarity with crypto, wallets, or financial applications\nExperience integrating third-party services (e.g., payments, authentication, on-chain providers)\nExperience with CI/CD pipelines and app store release processes\nExposure to secure key management, authentication flows, or MPC wallets\nCOMPENSATION & PERKS\nCompetitive full-time salary based on experience and meaningful equity in an industry-leading company\nThis is a role based in our Palermo office, with a mandatory in-office presence four days per week.\nThe opportunity to be a key player and build your career at a rapidly expanding, global technology company in an exciting, emerging industry.\nPerformance-based bonuses\nApple equipment provided by the company\nWork from Anywhere Policy: You can work remotely from anywhere in the world for up to 20 days per year.\nBlockchain 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.\nYou may contact our Data Protection Officer by email at . 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.\nYour 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. \nYour 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.","description_format":"text","description_chars":6255,"description_truncated":false,"requirements":{"experience_years_min":2,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"phd","optional":false},"security_clearance":false,"languages":[]},"benefits":["Equity"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Blockchain & Crypto","Crypto Exchanges","Crypto Wallets"],"lifecycle":[{"event":"open","at":"2026-04-23T14:33:15Z"}],"visa":[],"liveness":{"score":17,"band":"cold","label":"Long shot","p_open":1,"p_active":0.615,"p_room":0.28,"age_days":165,"expected_fill_days":80,"reasons":["conf:0","win:tail","crowd:"],"computed_at":"2026-10-06T05:45:30Z"},"pay":null,"html_url":"https://alion.io/job/blockchain-com-mid-level-react-native-engineer","json_url":"https://alion.io/job/blockchain-com-mid-level-react-native-engineer.json","meta":{"generated_at":"2026-10-06T22:46:24Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":3488,"day_limit":5000,"remaining_today":1512,"minute_limit":60,"resets_at":"2026-10-07T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":4744},"rest":"https://alion.io/mcp/rest/get_company?id=4744"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fblockchain-com-mid-level-react-native-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fblockchain-com-mid-level-react-native-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fblockchain-com-mid-level-react-native-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/blockchain-com-mid-level-react-native-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fblockchain-com-mid-level-react-native-engineer"}]}