Senior Full-Stack Software Engineer

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SMBC Group is a top-tier global financial group. Headquartered in Tokyo and with a 400-year history, SMBC Group offers a diverse range of financial services, including banking, leasing, securities, credit cards, and consumer finance. The Group has more than 130 offices and 80,000 employees worldwide in nearly 40 countries. Sumitomo Mitsui Financial Group, Inc. (SMFG) is the holding company of SMBC Group, which is one of the three largest banking groups in Japan.

SMFG’s shares trade on the Tokyo, Nagoya, and New York (NYSE: SMFG) stock exchanges.
In the Americas, SMBC Group has a presence in the US, Canada, Mexico, Brazil, Chile, Colombia, and Peru. Backed by the capital strength of SMBC Group and the value of its relationships in Asia, the Group offers a range of commercial and investment banking services to its corporate, institutional, and municipal clients. It connects a diverse client base to local markets and the organization’s extensive global network.

The Group’s operating companies in the Americas include Sumitomo Mitsui Banking Corp. (SMBC), SMBC Nikko Securities America, Inc., SMBC Capital Markets, Inc., SMBC MANUBANK, JRI America, Inc., SMBC Leasing and Finance, Inc., Banco Sumitomo Mitsui Brasileiro S.A., and Sumitomo Mitsui Finance and Leasing Co., Ltd.
The anticipated salary range for this role is between $ and $. The specific salary offered to an applicant will be based on their individual qualifications, experiences, and an analysis of the current compensation paid in their geography and the market for similar roles at the time of hire. The role may also be eligible for an annual discretionary incentive award.

In addition to cash compensation, SMBC offers a competitive portfolio of benefits to its employees.

We are seeking a highly experienced and versatile Senior Full-Stack Software Engineer with Japanese language proficiency to lead the design, development, and maintenance of enterprise‑grade applications and automation systems. The ideal candidate will have a strong foundation in software architecture, full‑stack development, and project leadership, with a proven track record of delivering scalable, user‑friendly, and high‑performance solutions across diverse industries including finance, e-commerce, and enterprise systems.

• Design and develop robust backend systems, RESTful APIs, and front‑end interfaces using technologies such as Python, Java, C#, React, and SQL.
• Lead end‑to‑end software development lifecycle: requirements gathering, architecture design, coding, testing, deployment, and documentation.
• Build and optimize ETL pipelines and data warehouses for regulatory reporting and business intelligence.
• Develop automation tools to streamline business operations and reduce manual workloads.
• Collaborate with cross‑functional teams such as Global Market vertical function, Risk management department, Product Control, and Tokyo head office to define and deliver solutions.
• Conduct code reviews, mentor junior developers, and contribute to continuous improvement of development practices.
• Support and troubleshoot production systems and provide technical support to users.

• 5+ years of professional experience in software engineering, with a focus on full‑stack development.
• Fluency in Japanese (reading, writing, and speaking) is required to communicate with relevant head office functions.
• Proficiency in multiple programming languages:
  Python, Java, C#, JavaScript, HTML/CSS.
• Strong experience with frameworks and tools:
  React, Spring Boot, Django, Flask, Docker, AWS.
• Solid understanding of database systems:
  Oracle, MySQL, Postgre
  
  SQL, SQL Server, Mongo
  
  DB.
• Experience with CI/CD pipelines, Agile methodologies, and microservices architecture.
• Excellent problem‑solving skills and attention to detail.
• Strong communication and project management abilities.
• Experience working in financial services or regulated industries is a plus.
• Preferred Qualifications:
  
  Experience with automation tools like Power Automate and BI tools like Power BI.
• Familiarity with legacy systems and…