Senior Backend Blockchain Engineer - Java/TypeScript

VISEO; Philippines; On-site; PHP 600,000 - 1,200,000; Full time

Job summary

VISEO in the Philippines seeks a highly skilled Java and TypeScript Blockchain Developer to design, develop, and maintain enterprise-grade blockchain applications and distributed systems.

You will build secure, scalable solutions, develop APIs and smart contracts across Ethereum, Hyperledger Fabric, and other networks, and collaborate with architects, DevOps, and product owners to deliver reliable blockchain-based systems.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or related field.
• Experience in Banking, Financial Services, FinTech, Digital Assets, or Web3 projects.
• Knowledge of blockchain security, governance, and compliance frameworks.
• Understanding of DeFi, NFTs, CBDC, tokenisation, or digital asset platforms.

Responsibilities

• Design, develop, and maintain blockchain-based applications using Java, TypeScript, and modern frameworks.
• Develop and integrate smart contracts on Ethereum, Hyperledger Fabric, Polygon, Solana, or other enterprise networks.
• Build and maintain RESTful APIs, microservices, and backend systems supporting blockchain transactions.
• Develop frontend applications using TypeScript, Angular, React, or Node.js to interact with blockchains.
• Integrate blockchain solutions with enterprise systems, databases, and external platforms.
• Implement secure transaction processing, digital signatures, wallet integrations, and tokenization solutions.
• Participate in architecture discussions and contribute to blockchain solution design.
• Optimize application performance, scalability, security, and reliability.
• Collaborate with cross-functional teams including architects, business analysts, DevOps engineers, and product owners.
• Perform code reviews, testing, troubleshooting, and production support activities.

Skills

Java

TypeScript

Blockchain

API development

Cloud technologies

Web3

Education

Bachelor's degree in Computer Science or related field

Tools

Hyperledger Fabric

Ethereum

Solana

RESTful APIs

Angular

React

Node.js

GraphQL

MongoDB

PostgreSQL

MySQL

Web3.js

Ethers.js

Kafka

Job description

VISEO in the Philippines seeks a highly skilled Java and TypeScript Blockchain Developer to design, develop, and maintain enterprise-grade blockchain applications and distributed systems.

You will build secure, scalable solutions, develop APIs and smart contracts across Ethereum, Hyperledger Fabric, and other networks, and collaborate with architects, DevOps, and product owners to deliver reliable blockchain-based systems.