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Alter Solutions

.Net Developer w/React

LocationLisbon, pt
Typefull-time
SeniorityMid
Experience3+ yrs
DepartmentIT
Company size1,001–5,000 people
First seenOct 3, 2026 · 1w ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
Must have14
3+ years of professional development experience
Experience in front-end web development, including JavaScript, TypeScript, NodeJS, web standards, and modern frameworks (React.js/redux or Angular)
Experience in HTML5 and CSS3, based on a responsive design
Good understanding of HTTP protocol, the DOM, and browser APIs
Experienced with testing and debugging web apps and Node services
Strong knowledge of Microsoft .NET platform: Visual Studio, C#, .Net Core, SignalR, Entity Framework
Knowledge of software design patterns, SOLID, and Clean Architecture
Unit Testing / TDD, and Integration tests
Backend knowledge: databases, security, communication protocols, networks
Solid knowledge about distributed systems: resilience and scalability patterns
Experience working in an Agile/Scrum environment
Team player and motivated to contribute to product development and evolution
Teamwork is second nature: strong communication, collaboration, interpersonal, and organizational skills
Proficiency in English
Nice to have3
Previous experience designing and developing for the cloud is a plus
Continuous Integration knowledge is preferred: GitLab (or other CI tool), PowerShell
Hands-on experience in cloud-based development is a plus
Skills
JavaScript
TypeScript
NodeJS
React.js
Redux
Angular
HTML5
CSS3
Microsoft .NET
Visual Studio
C#
.NET Core
SignalR
Entity Framework
Git
GitLab
PowerShell
Databases
Company Description
Alter Solutions Portugal is an IT Consultancy Company, promoter of Digital Transformation, part of the Alter Solutions Group, created in 2006, in Paris. In 2022, Alter Solutions joined the act digital group, constituting a global community of talent in Technology, with presence in twelve countries: Germany, Belgium, Brazil, Canada, United States of America, Morocco, Spain, France, Luxembourg, Poland, Portugal and Serbia. Also in 2022, we were certified as a Great Place to Work©. In Portugal, we partner with over 120 clients and a team of over 500 people, working in projects for industries as diverse as banking, insurance, transportation, aviation, energy, and telecom. Headquarters of the Nearshore IT center, Alter Solutions Portugal has a dedicated team of around 30 specialized professionals, integrated into projects with several internationally renowned clients.
Job Description
Main Tasks:
•
Develop solutions, with maintainability, scalability, and performance in mind.
•
Ensure the quality of the code, doing code reviews and writing unit and integration tests.
•
Work with quality engineers to design and create load and stress tests.
•
Work with the DevOps team to automate the deployment and integration of the software into the platform environment.
•
Use Git and GitLab to build continuous integration pipelines.
•
Always document the features developed and/or improve the current documentation.
•
Contribute to the software design sessions.
•
Provide support to product issues and questions.
•
Transform detailed mockups from the product design team into CSS-based, static, and dynamic HTML pages;
•
Work closely with the product design team to create interactive applications.
Qualifications
Requirements:
•
3+ years of professional development experience.
•
Previous experience designing and developing for the cloud is a plus.
•
Experience in front-end web development, including JavaScript, TypeScript, NodeJS, web standards, and modern frameworks (React.js/redux or Angular)
•
Experience in HTML5 and CSS3, based on a responsive design.
•
Good understanding of HTTP protocol, the DOM, and browser APIs.
•
Experienced with testing and debugging web apps and Node services.
•
Strong knowledge of Microsoft .NET platform: Visual Studio, C#, .Net Core, SignalR, Entity Framework.
•
Knowledge of software design patterns, SOLID, and Clean Architecture;
•
Unit Testing / TDD, and Integration tests.
•
Backend knowledge: databases, security, communication protocols, networks.
•
Continuous Integration knowledge is preferred: GitLab (or other CI tool), PowerShell.
•
Solid knowledge about distributed systems: resilience and scalability patterns.
•
Hands-on experience in cloud-based development is a plus.
•
Experience working in an Agile/Scrum environment.
•
Team player and motivated to contribute to product development and evolution.
•
Teamwork is second nature: strong communication, collaboration, interpersonal, and organizational skills
•
Proficiency in English.
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