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Junior Full-Stack Developer with Data Science Skills - Vietnam

fukuHanoi, Hanoi, Vietnam
On-site Full-time

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Experience Level

Entry Level

Qualifications

Core Requirements (Must Have):• A minimum of 2 years of programming experience in JavaScript, TypeScript, or Python.• Proficiency with databases such as PostgreSQL, Redis, and NoSQL technologies.• Familiarity with contemporary frontend frameworks, particularly React (Angular, Vue, or Ember are also acceptable).• Basic understanding of AWS services and deployment methodologies.• A solid foundation in object-oriented programming, design patterns, data structures, and algorithms.• A high level of ownership, accountability, and dedication to delivering quality results on time.• A quick learner with a collaborative and open mindset.• Practical experience in startup, scale-up, or product-based software/platform environments.• Comfort in navigating fast-paced and evolving environments.• Intermediate to advanced English communication skills. Plus / Nice-to-Have Skills:• Experience with backend frameworks such as NestJS, ExpressJS, FastAPI, or Django.• Exposure to containerization technologies (e.g., Docker).• Experience in developing mobile applications for both iOS and Android (Flutter, React Native).• Familiarity with data engineering tasks (ETL, data pipelines, analytics support).• Knowledge of Kotlin, Swift, or mobile SDKs.

About the job

Join our dynamic Fintech Client as a proactive Junior Full-Stack Developer (Backend-Focused) and become an integral part of our engineering team. This role is tailored for individuals with a hands-on background in startup environments or product-driven software companies, who thrive in fast-paced and less-structured settings.

What You’ll Work On:
• Developing backend services, APIs, and scoring logic (approximately 80%)
• Handling data transformation and basic data pipelines (around 5–10%)
• Maintaining and packaging mobile applications (Flutter / React Native) (about 10–20%)
• Creating functional prototypes to illustrate core company technologies.
• Building backend scoring features and data transformation pipelines.
• Designing and implementing data pipelines to convert raw device data into actionable insights.
• Focusing on cloud-agnostic development that is readily deployable on-premises.
• Enhancing our existing infrastructure currently hosted on AWS and GCP.
• Contributing to the establishment of a cross-platform, cloud-agnostic architecture.
• Developing a self-onboarding portal and managing API gateway integrations.

About fuku

fuku is at the forefront of Fintech innovation, dedicated to providing cutting-edge solutions that enhance user experience and empower financial decision-making. We cultivate a culture of collaboration, creativity, and continuous learning, making us an exciting place to grow your career.

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