Senior Backend Engineer

2 weeks ago

Novi Sad, Vojvodina, Serbia Flex Talent Network Full time $90,000 - $120,000 per year

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
  • 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
  • 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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