Mobile Developer with Data Science Experience React, Python, Based in Vietnam Re

Title: Mobile Developer with Data Science Experience React, Python, Based in Vietnam Re - Fuku

URL Source: https://apply.workable.com/j/B4C8A32E8E

Markdown Content: Our Fintech Client is looking for a proactive Junior Full-Stack Developer (Backend-Focused) to join their engineering team.

This role is ideal for someone who has hands-on experience working in a startup or product-based software/platform company, and who is comfortable operating in a fast-moving, less-structured environment.

What You’ll Work On

• Backend services, APIs, and scoring logic (~80%)

• Data transformation and basic data pipelines (~5–10%)

• Mobile app maintenance and packaging (Flutter / React Native) (~10–20%)

• Develop functional prototypes to demonstrate core company technology.

• Build backend scoring features and data transformation pipelines.

• Design and implement data pipelines to convert raw device data into actionable indicators and scores.

• Prioritize development that is cloud-agnostic and easily deployable on-premises.

• Maintain and enhance our existing infrastructure hosted on AWS and GCP.

• Contribute to the development of a cross-platform, cloud-agnostic architecture.

• Build a self-onboarding portal and manage API gateway integrations.

Requirements:

• Core Requirements (Must Have)

o Minimum 2 years of programming experience in one or more of the following: JavaScript, TypeScript, or Python.

o Experience with databases including PostgreSQL, Redis, and NoSQL technologies.

o Familiarity with modern frontend frameworks, especially React (Angular, Vue, or Ember are also acceptable).

o Basic knowledge of AWS services and deployment practices.

o Strong foundation in object-oriented programming, design patterns, data structures, and algorithms.

o High level of ownership, accountability, and commitment to delivering quality work on time.

o Quick learner with an open and collaborative mindset.

o Hands-on experience working in a startup, scale-up, or product-based software / platform company

o Comfortable working in fast-paced, ambiguous environments with evolving requirements

o Intermediate to advanced proficiency in spoken English.

• Plus / Nice-to-Have Skills

o Experience with backend frameworks such as: NestJS, ExpressJS, FastAPI, or Django

o Exposure to containerization (e.g. Docker)

o Experience in mobile application development for both iOS and Android (Flutter, React Native)

o Exposure to data engineering work (ETL, data pipelines, analytics support)

o Familiarity with Kotlin, Swift, or mobile SDKs