INTL Backend Engineer

SmartX Advisory Solutions seeks a highly skilled Senior Software Developer to join our talented, motivated team. This role involves building and scaling cutting-edge technology solutions in the financial sector. We’re seeking someone to build and maintain modern web applications end-to-end-from front-end UI to backend services and APIs (.NET Core/C#/Python). This role partners closely with product, design, and engineering to deliver scalable, reliable, and high-performance solutions, leveraging AWS, SQL Server, and Docker.

• Bachelor’s degree in Computer Science or a related field

• 5+ years of professional software development experience with C# and .NET / .NET Core

• 4+ years of experience with relational databases (SQL Server and/or PostgreSQL)

• Team is actively migrating to Postgres on AWS Aurora

• Strong SQL skills, including the ability to diagnose and improve query and performance issues

• Exposure to DynamoDB or other NoSQL data stores

• Some experience with front-end development (Vue3 is a plus!)

• 3+ years of experience building cloud-native, scalable applications on AWS

• Experience building or supporting serverless applications

• Hands-on experience developing containerized applications using Docker

• Python development experience, particularly for APIs or backend services

• Strong proficiency building web services, RESTful APIs, and open APIs

• Solid understanding of data structures and algorithms

• Experience with modern testing and build tools (Jest, Playwright, Vite)

• Familiarity with CI/CD pipelines and infrastructure automation tools such as GitHub Actions and Terraform

• Strong understanding of cloud infrastructure fundamentals, including:

• CPU and memory considerations

• Cost and scaling tradeoffs

• Runtime and performance impacts

• Experience working in environments where engineers own their applications in production

• Comfortable collaborating closely with DevOps teams, or acting as a DevOps-aware engineer on the team

• Strong problem-solving skills, attention to detail, and the ability to simplify complex technical challenges

• Strong communication skills and a collaborative mindset, with the ability to thrive in a fast-paced environment

• Proficiency with AI-assisted development tools or experience working with LLM-enabled workflows * AWS certifications

• Experience architecting scalable solutions end-to-end from the ground up

• Experience leading Agile/Scrum teams or mentoring engineers

• Background in platform, infrastructure-adjacent, or cloud-first teams

• Experience supporting high-traffic or cost-sensitive systems

• Exposure to micro-frontend architectures

• Familiarity with Babelfish

• Demonstrated commitment to continuous learning (advanced degree, certifications, or self-directed growth)