Senior FullStack Engineer

Level

Senior

Department

Full Stack

Type

Full Time

Project

Fragomen

Locations:

Colombia

Remote

Job Details

Posted on:

October 16, 2025

Job ID:

About the Company

Established in 2004, ALLSTARSIT was founded with a clear vision: to enhance the landscape of global IT employment by bridging the gap between companies and skilled professionals. The core belief was that assembling a team shouldn't be hindered by geographical constraints. Fast forward to the present day, ALLSTARSIT stands as an international outstaffing service provider committed to change the way businesses recruit, compensate, and oversee top talent worldwide.

With operational hubs scattered across Europe, Asia, and LATAM, and its headquarters situated in San Francisco, US, the company boasts a workforce of over 1,000 adept professionals. Spanning across more than 20 countries, ALLSTARSIT offers a diverse range of skilled employees across various verticals, including AI, cybersecurity, healthcare, fintech, telecom, media, and so on.

About the Project

Fragomen is a world leader in immigration technology and global mobility, supporting business clients and individuals across over 170 jurisdictions. They build robust, scalable applications supporting client onboarding, compliance, and document management.

Specialization

Headquarters

Years on the market

Team size and structure

Current technology stack

Required skills:

Strong hands-on experience in Angular and React.
Solid understanding of JavaScript, TypeScript, modern web APIs, and responsive design principles.
Experience developing against backend-heavy applications with C# .NET environments.
Proven ability to architect complex UI solutions for enterprise web platforms.
Advanced English communication skills (written and spoken)—able to collaborate effectively with global stakeholders and document technical solutions clearly.
Git workflow proficiency and experience with CI/CD pipelines.
Strong background in troubleshooting, debugging, and optimizing frontend performance.
Familiarity with automated testing (Jasmine, Karma) and frontend build tools.

Scope of work:

Lead and enhance the frontend development of our web applications, focusing on Angular and React architectures.
Collaborate with fullstack and backend engineers to ensure seamless integration with our C# backend.
Architect user-centric interfaces that balance performance, accessibility, and aesthetic appeal.
Design, build, and maintain reusable components, UI libraries, and frontend workflows.
Write clean, efficient code and participate in code reviews, test automation, and debugging.
Integrate with backend services (primarily C# .NET Core/8, RESTful APIs, MS SQL Server).
Work cross-functionally with product managers, UX/UI designers, and stakeholders to deliver client-focused solutions.
Document technical decisions and mentor team members in frontend best practices.