Senior Backend Engineer

7 days ago

Novi Sad, Serbia Flex Talent Network Full time

Location: Bangkok, Thailand (Relocation Required) Experience: 5+ years Industry: Tech / Product Engineering / Global Solutions ⸻ Overview We are seeking a skilled and adaptable Backend Developer to join our engineering team in Bangkok, Thailand. This is an on-site role that requires relocation, and is ideal for candidates who are ready for an international opportunity in a dynamic, fast-growing environment. You will contribute to the development of scalable systems and APIs that power platforms across fintech, blockchain, and AI domains. This role blends strong backend engineering with real-world product thinking, and close collaboration with global teams. ⸻ Key Responsibilities Architect, develop, and maintain high-performance backend services using Java (Spring Boot) and Node.js Implement scalable data solutions with MongoDB, MySQL, and Elasticsearch Design and deploy cloud-native infrastructure on AWS (EC2, S3, etc.) Build event-driven architectures with RabbitMQ or Kafka Secure APIs using OAuth 2.0 / JWT Collaborate in an agile setup with frontend, QA, and product stakeholders Maintain strong code quality via testing, refactoring, and documentation ⸻ Requirements 5+ years of professional backend development experience Expertise in Java (Spring Boot / J2EE) and Node.js Strong grasp of OOP, microservices, and RESTful API design Proven hands-on experience with: Databases: MySQL, MongoDB, Elasticsearch Cloud: AWS (EC2, S3, etc.) Messaging: RabbitMQ or Kafka Security: OAuth 2.0, JWT Excellent communication and problem-solving skills Experience working in agile or distributed teams Bachelors degree in Computer Science or related field (Masters preferred) Fluent English required Willingness to relocate to Thailand (relocation support provided) ⸻ Whats in It for You Competitive compensation and relocation support Work on high-impact projects in emerging industries Collaborative, multicultural team culture Fast-tracked career growth in an international environment Access to real product-building experience at scale ⸻ Ready for your next challenge? Submit your CV and GitHub/portfolio to apply. Interviews are conducted online.

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