Senior Back-End Software Development Engineer, C#

Access Softek

full-time

Posted on: 9/24/2025

Origin: • 🇺🇸 United States

✨ AI Apply

Senior

AngularASP.NETAWSCloudJavaScriptKubernetes.NETReactSQLTypeScriptVue.js

About the role

Design, develop, and maintain high-performance, scalable web applications using C# and ASP.NET Core
Own expertise in the code base and functionality in the Auth domain
Take ownership of the development and migration of current code to cloud infrastructure, leveraging AWS services and best practices
Contribute to architectural discussions and provide technical leadership and mentorship in the Auth and related areas
Investigate problems, provide expertise and ideas for improvements and fixes, and implement those together with teammates
Translate business requirements and vision into a user-centric product, ensuring effective communication with stakeholders
Leverage AI tools to increase developers' efficiency and productivity
Work with authentication and authorization technologies (OAuth, OpenID Connect, Auth0, SSO, MFA, Passwordless/Passkey, Biometric auth)
Participate in splitting monolithic architecture into micro-services and separating the Auth service into a standalone shared service
Integrate and work with cloud technologies (AWS) and related cloud architecture (Kubernetes, etc.)

5+ years extensive experience in web application development
Strong knowledge in Object Oriented Design principles, experience applying classic design and structure patterns (GoF)
Strong problem-solving abilities, system thinking
Data modelling experience with SQL (relational) databases
Experience in writing unit and integration tests (using NUnit, xUnit frameworks, and FluentAssertions, Moq libraries)
Expertise with DevOps practices and tools, practical experience with Git
Experience with complex projects, including expertise in refactoring legacy codebases, optimizing process flows, and analyzing and implementing architectural decisions
Ability to ensure the performance, security, and responsiveness of applications
Knowledge how to write and maintain comprehensive technical documentation
Great communication skills, experience in leading technical discussions
Strong problem-solving skills and the ability to work independently and as part of a team
Eager to learn and build up new skills
Upper Intermediate (B2) English
Preferred: Experience in projects with microservice architecture
Preferred: Familiarity with front-end technologies such as HTML5, CSS3, TypeScript (JavaScript), and modern frameworks (e.g., React, Angular, Vue.js)