Middle
Senior
Development
Remote/Hybrid, Việt Nam
13 days ago

Fullstack Software Engineer (Blockchain Experience)

We are looking for a Full Stack Software Engineer (Regulated Web3 Infrastructure) to join our Development Team and help build scalable, secure, and production-ready blockchain-based financial platforms. In this role, you will work at the intersection of Web3, cloud engineering, and regulated capital markets, designing and developing high-performance applications for institutional-grade digital asset solutions. You will collaborate closely with backend engineers, smart contract developers, product managers, and UX/UI designers to deliver secure and intuitive Web3 experiences. This is an exciting opportunity for someone passionate about blockchain technologies, cloud infrastructure, and modern full-stack development, with the chance to contribute directly to how regulated finance moves on-chain.

Responsibilities

Backend & Web3 Infrastructure

  • Design, develop, and maintain backend services using Node.js, Python, or Go within a microservices architecture.
  • Integrate with blockchain ecosystems, including EVM-compatible chains (Ethereum, Polygon, etc.) and Solana, interacting directly with smart contracts.
  • Implement and maintain secure Web3 integrations, including wallet connectivity and token standards such as ERC-20, ERC-721, and SPL tokens.
  • Develop scalable APIs (REST / WebSocket) for high-performance digital asset applications.
  • Architect and optimize backend systems for reliability, scalability, and security in regulated fintech environments.

Cloud & Infrastructure Engineering

  • Deploy and manage applications on cloud platforms such as AWS, Azure, or GCP.
  • Work within Linux environments to build, maintain, and optimize production systems.
  • Implement CI/CD pipelines and automated deployment workflows.
  • Maintain Git-based version control and collaborative development practices.

Frontend & Full-Stack Development

  • Develop and maintain frontend applications using ReactJS, NextJS, NestJS, or AngularJS.
  • Collaborate with product and design teams to deliver secure, performant, and user-friendly Web3 interfaces.
  • Ensure seamless integration between frontend applications, backend services, and blockchain infrastructure.

Software Engineering Standards

  • Participate in Agile/Scrum ceremonies, including sprint planning, stand-ups, and code reviews.
  • Write clean, maintainable, and well-tested code following modern engineering best practices.
  • Troubleshoot, debug, and resolve production issues across distributed systems.

Requirements

  • Minimum 5 years of experience in Full-Stack Software Engineering, preferably within Blockchain, Fintech, or Digital Asset industries.
  • Strong hands-on experience working with EVM-compatible blockchains and/or Solana, including smart contract integration.
  • Solid backend development experience using Node.js, Python, or Go.
  • Strong understanding of Web3 architecture, wallet integration, and token standards including ERC-20, ERC-721, and SPL.
  • Experience building modern frontend applications using ReactJS, NextJS, NestJS, or AngularJS.
  • Hands-on experience deploying and managing applications on AWS, Azure, or GCP.
  • Familiarity with Linux environments and Git-based version control systems.
  • Experience working with relational and NoSQL databases such as PostgreSQL, MySQL, or MongoDB.
  • Good understanding of Agile/Scrum software development methodologies.
  • Experience working in regulated industries such as Financial Services, Fintech, or Digital Asset Exchanges is highly preferred.
  • Strong problem-solving skills, ownership mindset, and ability to work effectively in collaborative international teams.
  • Good English communication skills (written and verbal)

 

Benefits & Perks

  • Work Location: Flexible. This role is open to hybrid or fully remote arrangements for candidates from anywhere in Vietnam.
  • An open mind and flat structure where every voice is welcome.
  • A work environment built on transparency, seamless communication, trust, and a sensible approach, combined with mixed cultures and a speaking environment
  • Individual assessments every 6 weeks with your line manager
  • Performance review every  6 months
  • 15 days of annual leave and + 6 days of fully paid sick leave per year – can be used for the care of sick child
  • Christmas Holiday
  • Competitive salary
  • Bonus: 13th-month Salary
  • Social insurance for employees who pass their probation

Learn more about Xenia Tech

If you have any questions, please feel free to get in touch with our HR department at [email protected].

Learn more about our culture and special benefits package here.

Follow our Facebook and LinkedIn to get the latest hiring position!