Senior Platform Engineer Remote: Build Core UI & APIs

Infios; United States; Remote; USD 120,000 - 170,000; Full time

Job summary

Infios is seeking a Senior Software Engineer to design, develop, and maintain platform capabilities across the Titan platform, including UI, backend services, APIs, and shared services. You will own large-scale features from design through delivery.

You will write clean, testable code with automated tests, participate in reviews, and collaborate with QA, Product Management, and development teams to improve performance, security, and reliability in a remote-friendly, quickly evolving environment.

Qualifications

• 5+ years of professional software development experience.
• Strong experience with C# and .NET.
• Strong experience with TypeScript, JavaScript, HTML, and CSS.
• Experience with modern web development frameworks, such as Knockout or similar technologies.
• Experience designing and consuming REST APIs.
• Experience with SQL and relational databases.
• Experience with Entity Framework, OData, or similar data access technologies.
• Familiarity with AI-assisted SDLC practices.
• Strong problem-solving, debugging, and analytical skills.

Responsibilities

• Design, build, and maintain shared platform components across the Titan platform.
• Develop features and resolve defects across UI, backend services, APIs, and shared services.
• Write clean, testable, maintainable code with automated test coverage.
• Debug complex issues across the stack and support production-quality delivery.
• Participate in code reviews, pull requests, technical design discussions, and architecture decisions.
• Collaborate with QA, Product Management, and development teams.
• Support secure development practices, including authentication, authorization, roles, and platform security.
• Improve platform performance, stability, reliability, tooling, documentation, and development processes.
• Support customer escalations related to shared platform functionality.

Skills

Years of experience

C#

NET

TypeScript

JavaScript

HTML

CSS

UI frameworks

REST APIs

SQL

Entity Framework

OData

AI-assisted SDLC

Problem-solving

Debugging

Tools

Azure DevOps

CI/CD

Job description

Infios is seeking a Senior Software Engineer to design, develop, and maintain platform capabilities across the Titan platform, including UI, backend services, APIs, and shared services. You will own large-scale features from design through delivery.

You will write clean, testable code with automated tests, participate in reviews, and collaborate with QA, Product Management, and development teams to improve performance, security, and reliability in a remote-friendly, quickly evolving environment.