Backend Engineer – Java, Spring Boot, Angular & Blockchain

Photon; Dallas (TX); On-site; USD 120,000 - 170,000; Full time

Job summary

Photon, based in Dallas, TX, seeks a Backend Engineer to design, develop, and scale mission-critical applications using Java, Spring Boot, Angular, Blockchain, and Cloud-Native technologies.

Role focuses on secure, high-performance microservices, event-driven systems with Kafka, and blockchain integrations across Ethereum, Hyperledger Fabric, Polygon, or Binance Smart Chain.

Qualifications

• Strong experience with Java, Spring Boot, and microservices.
• Hands-on API development and secure backend design.
• Familiarity with cloud-native architectures and distributed systems.

Responsibilities

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

Skills

Java

Spring Boot

Angular

Blockchain

Cloud-native

Distributed systems

API development

Apache Kafka

Education

Bachelor's in Computer Science

Tools

Ethereum

Hyperledger Fabric

Polygon

Binance Smart Chain

Job description

For the past 20 years, we have powered many Digital Experiences for the Fortune 500. Since 1999, we have grown from a few people to more than 6000 team members across the globe that are engaged in various Digital Modernization. For a brief 1 minute video about us, you can check https://youtu.be/uJWBWQZEA6o.

What are we looking?

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.

• 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 frontend 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.

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.

Education

• Bachelor's in computer science or related field.