Sr Software Engineer - .Net Full Stack

Do you want your voice heard and your actions to count? Discover your opportunity with Mitsubishi UFJ Financial Group (MUFG), one of the world’s leading financial groups. Across the globe, we’re 150,000 colleagues, striving to make a difference for every client, organization, and community we serve. We stand for our values, building long-term relationships, serving society, and fostering shared and sustainable growth for a better world.

With a vision to be the world’s most trusted financial group, it’s part of our culture to put people first, listen to new and diverse ideas and collaborate toward greater innovation, speed and agility. This means investing in talent, technologies, and tools that empower you to own your career.

Join MUFG, where being inspired is expected and making a meaningful impact is rewarded.

Position details Lead the design, development, and delivery of enterprise-scale cloud-native applications based on modern AI and Agentic framework using .NET, React, AWS, PostgreSQL, AI services, and Domain-Driven Design principles. Responsible for technical strategy, team leadership, and successful project execution.

Roles And Responsibilities

• Lead the design, and development of large-scale global enterprise applications, incorporating AI/GenAI frameworks to deliver intelligent, scalable, and business-driven solutions.
• Build next-generation AI engineering frameworks, agents, and automation capabilities that accelerate software delivery along with building global enterprise-scale products using AI framework.
• Participate in all phases of software engineering life cycle and troubleshoot technical problems as needed.
• Design, develop, deploy, and maintain applications, infrastructure, and platform according to changing requirements and following established processes and procedures.
• Lead in designing, developing, coding, and/or enhancing applications, features, infrastructure and/or application frameworks.
• Develop secure and scalable applications using .NET and React.
• Build RESTful APIs using ASP.NET Core.
• Perform code reviews and mentor junior developers.
• Test, debug, and/or oversee the testing and validation of applications to ensure that quality and functionality are in line with the requirements, as well as industry security standards and protocols.
• Resolve production defects within defined SLA.
• Implement Entity Framework Core repositories and services.
• Implement CQRS, MediatR, and Clean Architecture patterns
• Integrate with AWS services including S3, EC2, CloudWatch, and Aurora PostgreSQL
• Configure, deploy, and support IIS-hosted applications
• Utilize GitHub Copilot /AI tools to improve development efficiency.
• Contribute to Specification-Driven Development practices.
• Troubleshoot production issues and provide root-cause analysis.

Job Requirements Bachelors’ Degree (or foreign equivalent degree) in Information Technology, Information Systems, Computer Science, Software Engineering, or a related field. Experience in the financial services or banking industry is preferred.

• Minimum 8-10 years of developing at all levels of the application stack (front end/UI, middle/services, and back end/database)
• 2 years Hands-on experience developing enterprise-grade, global full-stack applications with expertise in AI frameworks, machine learning technologies, and the delivery of AI-enabled business applications.
• 3+ years Experience leading and mentoring technical teams developing and supporting modern web-based applications.
• Experience with C#, ASP.NET Core, React, JavaScript, TypeScript and Entity Framework Core
• Experience with Web application deployment and IIS (Internet Information services)
• Experience implementing and maintaining RESTful APIs
• Advanced knowledge of application, data, and infrastructure architecture disciplines
• Experience in designing data models and structures to store various kinds of data in different formats.
• Experience with RDBMS based databases such as PostgreSQL/ SQL Server
• Experience in working with AWS service like EC2, S3, RDS/Aurora PostgreSQL and Load Balancer
• Experience with monitoring systems e.g., Splunk, Dynatrace
• Experience with agile development processes and practices (e.g., Scrum)
• Knowledgeable in virtualization and containerization (e.g., VMware, Virtual Box)
• Knowledgeable in DevOps workflow Git, CI/CD, GitHub Copilot/AI-Assisted Software Development
• Knowledgeable on Atlas…