Senior Fullstack Developer (Node.js / TypeScript / Next.js)

Senior Fullstack Developer (Node.js / TypeScript / Next.js)

Company: Axtra Labs

Company description: Axtra Labs is a technology innovator specializing in AI, ML, Data Engineering, and DevOps solutions. We empower businesses to optimize operations, drive innovation, and achieve sustainable growth through tailored, data-driven strategies. Our global team of experts combines cutting-edge R&D with industry best practices to unlock new opportunities and transform industries. Connect with us to shape the future of technology.

Location: Vietnam (Remote)

Job Overview

We are looking for a Senior Fullstack Developer to join our team and build a data intelligence platform for investors across stock, forex, and crypto markets. This role requires a developer who can actively work on both backend and frontend, design scalable systems, and collaborate with international teams. The ideal candidate has strong expertise in Node.js, TypeScript, Next.js, Tailwind CSS, and AWS, and communicates confidently in English.

Key Responsibilities

Fullstack Development

• Develop and maintain backend services using Node.js and TypeScript
• Build modern frontend applications using Next.js and Tailwind CSS
• Work across the entire technology stack (frontend, backend, APIs, databases, and cloud infrastructure)

Platform & Data Development

• Build systems to process and analyze financial market data (stocks, forex, crypto)
• Develop APIs and data services to support analytics and investor insights
• Integrate with financial data providers, exchanges, and external APIs

Architecture & Performance

• Design scalable and maintainable system architecture
• Optimize performance for real-time and high-volume financial data
• Implement testing, CI/CD pipelines, and DevOps best practices

Collaboration

• Work with product managers, designers, and data engineers
• Participate in technical discussions, architecture decisions, and code reviews
• Communicate effectively with international teams and stakeholders in English

Requirements

Technical Skills

• 5+ years experience in fullstack software development
• Strong expertise in:
  • Node.js
  • TypeScript
  • Next.js / React
  • Tailwind CSS
• Experience building RESTful APIs and scalable backend systems
• Experience with AWS services (EC2, S3, RDS, Lambda, or similar)
• Strong knowledge of SQL or NoSQL databases
• Experience with Docker, CI/CD, and cloud deployment

Communication

• Strong English communication skills (spoken and written)
• Experience working in international or distributed teams

Nice to Have

• Experience with financial platforms, trading systems, or fintech
• Knowledge of crypto, blockchain, or market data systems
• Experience with real-time data processing (WebSocket, Kafka, Redis)
• Familiarity with data visualization and analytics dashboards

Location: Vietnam

Skills: ...