Join a well-funded fintech company developing advanced financial infrastructure and a greenfield trading platform. You will design and build high-performance Core Java backend services, collaborate with a small and highly skilled engineering team, and contribute to technical decisions shaping the future of a modern fintech ecosystem with no legacy constraints.
Key Responsibilities
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Develop and maintain Core Java backend components for high-performance trading systems
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Design scalable, low-latency backend services and system architecture
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Implement new platform features, APIs, and microservices
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Optimize system reliability, throughput, and performance across distributed components
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Collaborate with engineers and product partners to align technical requirements
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Plan, prioritize, and execute development tasks independently
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Contribute to long-term technical direction, coding standards, and engineering best practices
Required Skills and Qualifications
Experience:
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5+ years of backend engineering experience
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Strong hands-on proficiency in Core Java
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Experience with TCP/UDP network protocols
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Knowledge of RDBMS or NoSQL storage systems
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Proven experience building or maintaining high-performance backend services
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Ability to work independently with minimal supervision
Soft Skills:
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Strong problem-solving ability in complex technical environments
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Clear and effective English communication
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Ability to take ownership and work autonomously
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Collaborative mindset within cross-functional teams
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High attention to detail and commitment to code quality
Language Requirements:
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English: Fluent
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Japanese: Basic level
Preferred Skills & Qualifications
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Experience with AWS, Azure, or GCP
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Background in financial systems or real-time transaction platforms
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Familiarity with Python or other backend languages for tooling or automation
About the Company
This company is a well-funded technology firm building next-generation financial infrastructure and trading systems. With a modern engineering culture focused on technical excellence, they maintain a small, highly skilled development team working with contemporary technologies and clean architecture.
Why You'll Love Working Here
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Work on a true greenfield platform with no legacy systems
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Full project ownership within a small expert engineering team
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Exposure to advanced system design and high-performance architecture
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Flexible work environment with excellent work-life balance
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Stable, well-funded company offering strong long-term growth opportunities
Don't Miss Out - Apply Now!
