Middleware API Management and AWS Integration Engineer
MUFG Bank, Ltd. is Japan's largest bank and a global financial institution with offices throughout Japan and in 40 other countries. It provides corporate and investment banking, global markets, transaction banking, trade finance, cash management, custody, and personal banking services.
About MUFG Bank, Ltd.
MUFG Bank, Ltd. is the core commercial banking subsidiary of Mitsubishi UFJ Financial Group, Inc. The bank serves corporate, institutional, financial-institution, and personal customers through a global network. Its services include syndicated, project, acquisition, real estate, ship, and supply-chain finance; securitization; global markets; cash management; trade finance; cross-border payments; JPY cash clearing; and custody services.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You design, implement, operate, and support an enterprise integration platform across data centers and cloud providers. You develop AWS API solutions, troubleshoot critical production issues, automate provisioning with infrastructure as code, improve observability and resiliency, create operating procedures, write knowledge articles, and train staff.
Requirements
- AWS certifications related to architecture, networking, or security are strongly preferred
- At least 5 years of experience with large-scale mission-critical production platforms
- At least 5 years of hands-on experience designing, implementing, and operating AWS API Gateway enterprise API platforms
- Expertise in AWS API Gateway, REST APIs, HTTP APIs, WebSocket APIs, authentication, authorization, lifecycle controls, and security
- Experience designing secure and scalable AWS API architectures using API Gateway, Lambda, ECS/EKS, ALB/NLB, and private integrations
- Experience with performance testing, resiliency testing, load testing, and capacity planning
- Strong troubleshooting skills across AWS API Gateway, CloudWatch, X-Ray, networking, integrations, and downstream services
- Experience with infrastructure as code tools such as CloudFormation and Terraform and CI/CD pipelines
- Experience integrating AWS API solutions with identity providers such as PingFederate and PingID
- Expertise in multi-account and multi-region AWS deployment models, resiliency, failover, disaster recovery, and infrastructure standardization
- Experience with AWS integration services including Lambda, Step Functions, EventBridge, SQS, and SNS
- Expertise with OpenShift, Kubernetes, and AWS-native deployment environments
- Experience with Spring Boot, Java, microservices, Docker, REST, SOAP, Postgres, CI/CD, Bitbucket, and Azure DevOps
- Bachelor's degree in Computer Science or a closely related discipline, or equivalent education and experience
Responsibilities
- Design, evolve, implement, and support the enterprise integration platform across data centers and cloud providers
- Develop and operate AWS API Gateway enterprise API platforms
- Serve as a point of escalation for operational issues and critical events
- Create automation roadmaps and implement policy-driven operations using infrastructure as code
- Troubleshoot production issues across APIs, observability tools, networking, integrations, and downstream services
- Develop standard operating procedures and write knowledge articles
- Train staff on AWS API Gateway, integration patterns, security, observability, and platform engineering practices
Benefits
- Comprehensive health and wellness benefits
- Retirement plans
- Educational assistance and training programs
- Income replacement for qualified employees with disabilities
- Paid maternity and parental bonding leave
- Paid vacation
- Paid sick days
- Paid holidays
