Java Backend Developer with Blockchain exp

Photon; Dallas (TX); Presencial; USD 110 000 - 170 000; Tempo integral

Resumo da oferta

Photon is seeking a Backend Engineer to design, build, and scale backend services using Java, Spring Boot, and cloud-native patterns. You will work on blockchain-enabled applications and collaborate with frontend teams to deliver robust APIs in a fast-paced financial client environment.

The role emphasizes distributed systems, API security, and event-driven architectures with Apache Kafka. You will implement secure business logic, interact with blockchain nodes and wallets, and help ensure

Qualificações

• Backend Engineer with expertise in Java, Spring Boot, Angular, Blockchain, and Cloud-Native Technologies.
• Strong experience in distributed systems, cloud infrastructure, API development, and blockchain technologies.

Responsabilidades

• Design, develop, and maintain scalable backend services using Java (JDK 11+) and Spring Boot.
• Build and optimize microservices following cloud-native and domain-driven design principles.
• Implement secure and maintainable business logic for complex enterprise applications.
• Design, develop, and document RESTful APIs and service integrations.
• Ensure API security, versioning, scalability, and performance optimization.
• Collaborate with front-end teams to support seamless API consumption.
• Develop and maintain event-driven systems using Apache Kafka.
• Implement real-time event processing, asynchronous communication, and stream processing solutions.
• Monitor and optimize event pipelines for reliability and throughput.
• Design and integrate blockchain-based solutions for secure and transparent transactions.
• Develop and interact with smart contracts using blockchain platforms such as Ethereum, Hyperledger Fabric, Polygon, or Binance Smart Chain.
• Build backend services that interact with blockchain nodes, wallets, and distributed ledgers.
• Ensure security, data integrity, and auditability of blockchain integrations.

Conhecimentos

Java

Spring Boot

Angular

Blockchain

Cloud-native technologies

Distributed systems

API development

Apache Kafka

Microservices

Ferramentas

Ethereum

Hyperledger Fabric

Polygon

Binance Smart Chain

Spring Boot

Descrição da oferta de emprego

Hello There,

We appreciate your interest. We Photon; is implementing this project for one of our Financial clients.

Role: Java Backend Developer with Blockchain

Location: Dallas, TX

Fulltime with Photon

Job Description

We are seeking a highly skilled Backend Engineer with expertise in Java, Spring Boot, Angular, Blockchain, and Cloud-Native Technologies to design, develop, and scale mission-critical applications. The ideal candidate will build secure, high-performance microservices, event-driven systems, and blockchain-integrated applications while contributing to modern web interfaces using Angular.

This role requires strong experience in distributed systems, cloud infrastructure, API development, and blockchain technologies, with the ability to deliver scalable solutions in a fast-paced environment.

Key Responsibilities

Backend Development

• Design, develop, and maintain scalable backend services using Java (JDK 11+) and Spring Boot.
• Build and optimize microservices following cloud-native and domain-driven design principles.
• Implement secure and maintainable business logic for complex enterprise applications.

API Development

• Design, develop, and document RESTful APIs and service integrations.
• Ensure API security, versioning, scalability, and performance optimization.
• Collaborate with front-end teams to support seamless API consumption.

Event-Driven Architecture

• Develop and maintain event-driven systems using Apache Kafka.
• Implement real-time event processing, asynchronous communication, and stream processing solutions.
• Monitor and optimize event pipelines for reliability and throughput.

Blockchain Development

• Design and integrate blockchain-based solutions for secure and transparent transactions.
• Develop and interact with smart contracts using blockchain platforms such as Ethereum, Hyperledger Fabric, Polygon, or Binance Smart Chain.
• Build backend services that interact with blockchain nodes, wallets, and distributed ledgers.
• Ensure security, data integrity, and auditability of blockchain integrations.