G

Senior Backend Engineer (Go) – Financial Infrastructure & AI-Powered SaaS

g talent • Japan
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AI Summary

Lead backend development for financial infrastructure platforms and AI-driven SaaS solutions in fintech. Design, build, and maintain scalable server and cloud infrastructure using Go, AWS, and modern DevOps practices. Collaborate globally to drive digital transformation in finance with a focus on high-impact technical solutions.

Key Highlights
Hybrid work model with in-house development in a global fintech environment
Annual salary range: 4M–9.5M JPY (~$28K–$70K USD, estimated)
Mission-driven role in embedded finance, AI integration, and financial core systems
Key Responsibilities
Develop and maintain server-side infrastructure for financial platforms (securities, insurance, credit) and AI-driven SaaS products
Design and implement cloud-based applications using Go, Docker, and IaC tools like Terraform
Ensure scalability, performance, and security of financial infrastructure components

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Technical Skills Required
Go Amazon Web Services Infrastructure as Code (IaC)
Benefits & Perks
Annual salary: 4,000,000–9,500,000 JPY
Hybrid work arrangement
Comprehensive welfare (health insurance, housing allowance, learning support, visa support)
Full commuting allowance
Employee stock ownership plan

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Nice to Have
Experience with Terraform, Docker, and containerized applications
Generative AI integration (e.g., OpenAI API)
Large-scale web application development and performance tuning
Financial services domain expertise
Conversational English for cross-border collaboration

Job Description

★Back End Engineer [Go] | Featured Fin-tech Company

  • Business Level Japanese Required

◆ Hybrid Work

◆ In-house Development

◆ Global Environment

◆ Annual Salary： 4 million ～ 9.5 million yen.

-------------【About the company】-------------

【Business Areas】

・Fintech Solutions Business

・Big Data Analytics Business

・Financial Infrastructure Business

【About the Company Group】

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Job Overview
Posted Date Oct 15, 2026
Employment Type Full-time
Experience Level Mid-Senior level
Location Japan
Category Programming
Company g talent
Mentioned Skills
python mysql ai embedded server saas aws docker terraform linux cloud infrastructure as code slack datadog big data data analysis

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