Senior Backend Developer (Blockchain Experience)

VISEO Group; Philippines; On-site; PHP 1,000,000 - 1,800,000; Full time

Job summary

VISEO Group is seeking a Senior Backend Developer with blockchain experience to design, build, and maintain enterprise-grade blockchain applications. You will work with Java and TypeScript, develop APIs, and integrate smart contracts across leading networks.

The role emphasizes secure, scalable backend systems, collaboration with cross-functional teams, and applying best practices in architecture and performance optimization.

Qualifications

• Bachelor's degree in Computer Science, IT, 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.

Responsibilities

• Design, develop, and maintain blockchain-based applications using Java and TypeScript.
• Develop and integrate smart contracts on Ethereum, Hyperledger Fabric, Polygon, Solana, or other networks.
• Build and maintain RESTful APIs, microservices, and backend systems supporting blockchain transactions and integrations.
• Develop frontend applications using TypeScript, Angular, React, or Node.js to 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, and product owners.
• Perform code reviews, testing, troubleshooting, and production support activities.

Skills

Java

TypeScript

API development

Cloud computing

Blockchain platforms

Security

Architecture

Education

Bachelor's degree in Computer Science or related

Tools

Kafka

GraphQL

Web3.js

Ethers.js

Hyperledger Fabric

Job description

Senior Backend Developer (Blockchain Experience)

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
• Web3.js, Ethers.js
• Blockchain interoperability frameworks
• Experience with enterprise blockchain solution architecture