Full stack developer (.NET React)

UST; United States; Remote; USD 140,000 - 190,000; Full time

Benefits offered by this job

Health care plan

Teleworking compensation

Life and accident insurances

Flexible benefits program

Training platforms

Job summary

UST is a multinational tech leader seeking a Senior full stack developer. You will design, build, and deploy scalable cloud-native applications leveraging .NET, React, Azure, and AI services. You will work across frontend, backend, cloud infra, and AI domains to deliver intelligent digital products.

You will collaborate with architects, product owners, data scientists, and cross-functional teams to create secure, scalable software. Remote work is supported from Spain with flexible hours.

Qualifications

• Senior full stack developer with deep expertise in .NET React Azure Cloud and Artificial Intelligence technologies.
• Experience designing and delivering scalable cloud-native applications.
• Hands-on across front-end, back-end, cloud infra and AI services.

Responsibilities

• Develop enterprise-grade web apps using .NET 8 / C#, ASP.NET Core, React.js, TypeScript.
• Build scalable cloud-native solutions with microservices architecture.
• Apply Clean Architecture, DDD, and SOLID principles.
• Contribute to architecture discussions and tech decisions.
• Improve code quality via automated tests and security scans.
• Collaborate with product owners and data scientists to translate requirements.
• Lead workshops, design reviews, and proof-of-concepts.

Skills

C#

ASP.NET Core

React.js

TypeScript

Azure

AI

RESTful APIs

Microservices

DDD

SOLID

CI/CD

GitHub Actions

Azure DevOps

Tools

Azure DevOps

GitHub Actions

Job description

We are looking for the very Top Talentand we would be delighted if you were to join our team More in details UST is a multinational company based in North America certified as a Top Employer and Great Place to Work company with over 35000 employees all over the world and presence in more than 35 countries. We are leaders on digital technology services and we provide large-scale technologic solutions to big companies.

What we look for

We are looking for a Senior full stack developer with deep expertise in .NET React Azure Cloud and Artificial Intelligence technologies. The ideal candidate will be responsible for designing developing and delivering scalable cloud-native applications while driving the adoption of AI-powered solutions across the software development lifecycle. This role requires a hands-on senior who can work across front-end back-end cloud infrastructure and AI services to build innovative digital products.

You will collaborate closely with architects product owners data scientists and cross-functional engineering teams to deliver secure scalable and intelligent applications.

Main tasks and accountabilities

• Software Development Design develop and maintain enterprise-grade web applications using .NET 8 / C# ASP.NET Core React.js and TypeScript RESTful APIs and Microservices
• Develop highly scalable and maintainable cloud-native solutions.
• Implement modern software engineering practices including Clean Architecture Domain-Driven Design (DDD) and SOLID principles
• Azure DevOps GitHub Actions
• Participate in architecture discussions and technology decisions.
• Improve code quality through Automated testing Security scanning Static code analysis Code reviews
• Work closely with Product Owners and Business Stakeholders to translate business requirements into technical solutions.
• Lead technical workshops design reviews and proof-of-concepts.
• Drive innovation and continuous improvement initiatives.
• Provide technical leadership and guidance across development teams.

Backend 7+ years of software development experience. Strong expertise in C# .NET Core / .NET 8 ASP.NET Core Entity Framework Core React.js TypeScript JavaScript ES6+ HTML5 CSS3 Material UI or similar frameworks. Extensive experience with Microsoft Azure. CI/CD pipelines AI Data English B2+/C1 Work Location 100 remote (Spain) Work Schedule Business hours.

What can we offer

• 23 days of Annual Leave plus the 24th and 31st of December as discretionary days
• Numerous benefits (Health Care Plan teleworking compensation Life and Accident Insurances).
• Retribución Flexible Program (Meals Kinder Garden Transport online English lessons Health Care Plan)
• Free access to several training platforms
• Professional stability and career plans
• UST also compensates referrals from which you could benefit when you refer professionals.
• The option to pick between 12 or 14 payments along the year.
• Real Work Life Balance measures (flexibility WFH or remote work policy compacted hours during summertime)
• UST Club Platform discounts and gym
• Access discounts

In UST we are committed to equal opportunities in our selection processes and do not discriminate based on race gender disability age religion sexual orientation or nationality. We have a special commitment to Disability Inclusion so we are interested in hiring people with disability certificate.