Senior Backend Software Engineer (Java)

Nationality:Asian
somewhere in Asia ideally Taiwan, but Thailand or Vietnam are also acceptable.

Language: Must be Fluent in English
Salary:$6000-$7000

About the Role
We are looking for a Senior Java Software Engineer with deep backend expertise to join our growing engineering team building a high-performance, secure, and scalable crypto casino platform. You will design and develop core services in a distributed microservices architecture using Java and modern cloud technologies.

Responsibilities

• Design, build, and maintain robust Java-based microservices that power our casino platform.
• Implement secure APIs and integrations with crypto wallets, payment gateways, game and sport providers.
• Optimize system performance, scalability, and fault tolerance
• Collaborate with frontend, QA, and DevOps teams to deliver end-to-end features.
  
• Write clean, maintainable, and well-tested code following best practices.
• Participate in architecture reviews, code reviews, and design discussions.
• Ensure backend systems comply with security and regulatory standards.

• Requirements
  Must-Have:
  5+ years of professional backend development experience.
  Strong expertise in Java 11+ (preferably Java 17) and Spring Boot.
• Experience with microservices architecture, RESTful APIs, and event driven systems. 
• Solid understanding of SQL (PostgreSQL) and Redis or other in-memory stores.
• Familiarity with CI/CD, Git, and containerized deployments.
• Knowledge of security best practices for online systems (JWT, OAuth, rate limiting).
• Knowledge of Kubernetes and messaging systems like Kafka or RabbitMQ

Nice-to-Have:

Experience in iGaming, Crypto, or FinTech environments.
Familiarity with gRPC.
Exposure to blockchain integrations or Web3 APIs.
Experience deploying and operating applications on AWS (preferable), or other cloud platforms like GCP or Azure.
Familiarity with infrastructure as code tools such as Terraform, CloudFormation, or CDK.

Why Join Us?
Opportunity to work on a cutting-edge platform in the fast-growing crypto and
iGaming space.
Collaborative, engineering-led culture with strong mentorship and ownership.
Modern dev stack with microservices, CI/CD, and AWS infrastructure.
Competitive salary, and a say in technical direction.
Flexible remote work culture.