Full Stack Engineer - Growth & Experimentation (Crypto)

Location: Remote from Brazil, Uruguay, Peru, Colombia, Argentina, Paraguay, Mexico, or Chile

Company

hirify.global is a global crypto platform offering spot trading, margin, futures, staking, OTC services, and financial infrastructure for individual and institutional customers.

What you will do

• Build and ship consumer-facing features in React Native and TypeScript, prioritizing fast, lightweight experiments.
• Own experiments from hypothesis and design through implementation, launch, measurement, and iteration using platforms such as Statsig.
• Improve onboarding, activation, feature discovery, conversion, engagement, and trading revenue.
• Build viral acquisition and value-add growth features for the Krak app.
• Contribute to backend services and APIs, primarily using Rust, when experiments require full-stack delivery.
• Analyse experiment results and independently decide whether to scale, iterate, or stop initiatives.

Requirements

• 3+ years of software development experience building and shipping large-scale, consumer-facing applications.
• Strong hands-on React and React Native experience.
• Experience running consumer growth experiments with measurable impact on conversion, activation, retention, or revenue; B2B or platform-only backgrounds are not a fit.
• Backend proficiency with the ability to design and implement services and APIs independently; openness to working with Rust.
• Strong JavaScript and TypeScript fundamentals, including APIs, WebSockets, real-time systems, mobile performance, testing, and modern development workflows.
• Practical experience designing, running, and analysing A/B tests, feature flags, statistical significance, product analytics, funnel data, and cohort data.
• End-to-end product feature ownership, product engineering judgment, initiative, and adaptability in ambiguous and changing priorities.

Nice to have

• Customer-facing product experience in fintech, digital banking, payments, trading, or crypto.
• Experience with Statsig or a comparable experimentation platform, including regional and global rollouts.
• Rust experience.
• SQL and self-serve analytics experience.
• AI fluency and familiarity with AI-assisted development workflows and problem-solving patterns.
• Native iOS or Android development, distributed systems, microservices, or experience in a hyperscaling consumer technology organization.

Culture & Benefits

• Full-time employment within a global crypto and financial infrastructure organization.
• Remote work from the listed Latin American countries.
• Applications are accepted on an ongoing basis unless a specific deadline is stated.
• Job-related skills or work-style assessments may be part of the hiring process.
• Equal opportunity employment and consideration of qualified applicants with criminal histories in accordance with applicable requirements.

Hiring process

• Applications remain open on an ongoing basis unless a deadline is specified.
• Job-related skills or work-style assessments may be required and are considered alongside experience and interviews.