📝 Full Stack Developer, are you there?

Hey there! We're looking for a Full Stack Developer for a fintech infrastructure startup building programmable orchestration for fund flows. If you are pragmatic, product-minded with React and Kotlin, keep reading!

🌎 100% Remote

💵 Salary in USD

📍 LATAM — Reporting to Melbourne, AEST

🕒 Full Time

🇬🇧 Advanced English

About our client 🤓

You will be working for our client, a fintech infrastructure startup that is building a programmable orchestration and validation layer for fund flows focused on making payments and treasury infrastructure reliable and easy to configure. They decompose fund flows, validate them against the real constraints of banks, PSPs, and FX providers, and turn what used to be manual integration work into something programmable and executable.

About Athyna 🙋🏻

Athyna is a Global Talent Platform, helping align world-class talent with the best employment opportunities across the globe.

We believe in the future of work. That's why we are a 100% globally distributed team across 5 continents. We believe in people, and we value freedom, integrity, quality, and sustainability.

We're proudly carbon neutral as an organization. We're very keen on social impact - we truly care about everyone on our team, and we want to make the world a better place for all of us.

In your day-to-day, you will 👇🏼

Build and ship features across the full stack: the frontend canvas and UI, backend services, and the integrations that connect them
Work on core product surfaces: the visual flow builder, the compiler and DSL output, provider integrations, and the underlying data and intelligence layers
Integrate with real payment and banking infrastructure and handle the constraints and edge cases of production provider APIs
Translate visual flows into executable, correct configurations
Partner directly with the CTO on architecture and roadmap decisions
Contribute to demo-quality builds, then harden that work toward production-grade robustness
Take features from ambiguity to shipped: scope, decide, build, and own through to launch

Skills you have 🚀

Strong full stack experience, comfortable owning a feature end to end from database to UI
Frontend depth in React (React 19), TypeScript, and Tailwind
Backend depth with JVM, Spring Boot in Kotlin, PostgreSQL, and solid REST API design
Comfort with GCP (Cloud Run), containerized deployment, and CI/CD pipelines
A pragmatic, product-minded disposition
Comfort with ambiguity and fast iteration
Clear, direct communication

Skills that will make you stand out 💥

Experience with node-based or graph UIs (@xyflow/react or similar)
Background in fintech, payments, or other regulated infrastructure

You'll be entitled to 🙌🏼

🌴 PTO

💵 Salary in USD

🕛 Flexible working hours

🎯 Flat leadership

🚀 Great opportunities for career growth

🤗 Opportunity to work in an amazing environment

Full Stack Engineer