Full Stack Developer – React, C#, .NET

Vigil

. Develop and maintain frontend applications using React, TypeScript and JavaScript .

Posted 10/26/2026full-timeRemote • Portugal, BrazilMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in developing and maintaining frontend applications using React, TypeScript, and JavaScript, while integrating with backend services and REST APIs. Proficient in Microsoft Azure for application development and skilled in writing unit tests to ensure application quality.

Highest-signal resume keywords

React DevelopmentTypeScript ProficiencyREST API Development with C# and .NETMicrosoft Azure ExperienceAgile Methodologies

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

ReactTypeScriptJavaScriptREST API DesignC#.NETUnit TestingMUIPrimeReactVite

Soft Skills

Problem-SolvingCommunicationCollaborationOrganizational SkillsPrioritization

Tools & Technologies

Microsoft AzureReact RouterAgileScrum

Industry Keywords

Frontend DevelopmentBackend IntegrationDevelopment StandardsTechnical Guidelines

Tech Stack

Tools & technologies

AzureJavaScriptReactTypeScript.NET

About the role

Key responsibilities & impact

Develop and maintain frontend applications using React, TypeScript and JavaScript
Build reusable UI components using MUI, PrimeReact or equivalent libraries
Work with Vite and React Router
Design, build and maintain REST APIs using C# and .NET
Integrate frontend interfaces with backend services
Develop application solutions within Microsoft Azure
Write and maintain unit tests
Contribute to technical design, troubleshooting and defect resolution
Own agreed deliverables and meet quality, functionality and delivery expectations
Participate in sprint planning, daily stand-ups, reviews and retrospectives
Manage workload, communicate progress, and raise risks or blockers early
Collaborate with TXP colleagues and client stakeholders
Explain technical decisions clearly
Contribute to development standards, best practices and knowledge sharing

Requirements

What you’ll need

Extensive hands-on experience with React, including Vite and React Router
Strong knowledge of TypeScript and JavaScript
Significant experience with component libraries such as MUI, PrimeReact or equivalent
Strong experience consuming and integrating REST APIs
Extensive experience developing REST APIs with C# and .NET
In-depth understanding of REST API design patterns and best practices
In-depth knowledge of Microsoft Azure and experience using it for application development
Experience writing unit tests and ensuring application quality
Strong understanding of software design principles and maintainable code
Experience working within Scrum-based Agile teams
Ability to understand frontend and backend interaction within the wider application
Strong organisation, prioritisation and problem-solving skills
Good written and verbal communication skills, including explaining technical topics to non-technical stakeholders
Proactive, collaborative approach and ability to work independently
A degree in Computer Science, Engineering or a related discipline
Strong verbal and written communication skills in English
Portugal- or Brazil-based only
Preferred: experience defining development standards and technical guidelines
Preferred: experience mentoring developers and sharing technical knowledge
Relevant technical certifications are a plus

Benefits

Comp & perks

Shared responsibility and authority among colleagues
Collegial company environment
Supportive failure-learning culture
Agile environment where ideas are welcome
Possibility to grow and experience different projects
Ongoing training and mentoring
Possibility of travelling