Senior Backend Developer (Blockchain Experience)

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

We are seeking a highly skilledJava & TypeScript Blockchain Developerto design, develop, and maintain enterprise-grade blockchain applications and distributed systems. The ideal candidate will have strong expertise inJava, TypeScript, API development, cloud technologies, and blockchain platforms, with the ability to build secure, scalable, and high-performance solutions.

Responsibilities

• Design, develop, and maintain blockchain-based applications usingJava, TypeScript, and modern frameworks.


• Develop and integratesmart contractson blockchain platforms such as Ethereum, Hyperledger Fabric, Polygon, Solana, or other enterprise blockchain networks.


• Build and maintainRESTful APIs, microservices, and backend systemssupporting blockchain transactions and integrations.


• Develop frontend applications usingTypeScript, Angular, React, or Node.jsto interact with blockchain networks.


• 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.

Profile

• 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.


• Blockchain certifications (Hyperledger, Ethereum, ConsenSys, etc.) are advantageous.


• Nice to Have


• Kafka or messaging platforms


• GraphQL


• MongoDB, PostgreSQL, MySQL


• Web3.js, Ethers.js


• Blockchain interoperability frameworks


• Experience with enterprise blockchain solution architecture

GDPR MESSAGE: Our privacy policy has been updated to comply with the new regulations. We invite you to consult it by clicking here: https://www.viseo.com/fr/politique-de-confidentialite. The VISEO Group uses the data collected as part of your application to assess your suitability for the job in question. We use the Jazz HR tool to help us in our recruitment process. This tool complies with current regulations on the protection of personal data. The tool is hosted in the United States and is PrivacyShield certified for HR data. In all cases, we may keep your file for 5 years so that we can contact you again if another position matches your profile. You may, of course, object to this. To find out more about how your data is used and how you can exercise your rights, please consult our privacy policy https://www.viseo.com/fr/politique-de-confidentialite.