Full Stack Web Developer (C# / React)

Work with us, and join a community of happy employees

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Job Description

This is a remote position.

We're seeking a talented Full Stack Web Developer to join our growing team. This role is ideal for someone passionate about building scalable web applications using modern technologies. You'll work across the stack, with a strong emphasis on backend development in C# and frontend development using React.

Our established tech stack :

• .Net Core at the API level

React for the front-end

SQL for the database

Key Responsibilities

Develop and maintain backend services using C# and ASP.NET Core, including RESTful APIs, data access layers, and business logic.

Build responsive and dynamic user interfaces using React

Collaborate with product managers and designers to translate requirements into technical solutions

Participate in sprint planning, daily standups, and code reviews , contributing to a healthy development workflow

Write unit and integration tests to ensure code quality and reliability

Monitor and optimize application performance , identifying bottlenecks and proposing improvements

Document technical decisions and system architecture to support team knowledge sharing

Requirements

Proven experience as a Full Stack Developer or similar role

Strong proficiency in C# and .NET (ASP.NET Core preferred)

Familiarity with RESTful APIs

Familiarity with relational databases (SQL Server, PostgreSQL) and ORMs (e.g., Entity Framework)

Understanding of CI / CD pipelines and version control (Git)

Excellent problem-solving and communication skills

Great to have

Experience working in the Microsoft Azure DevOps environment

Experience working with very large amounts of data

Experience working with and developing custom UI frameworks (we don’t use Bootstrap, we’ve built our own)

Experience with Swagger and ASP .Net backend services

Benefits

Medical insurance – Because your health and that of your family is our top priority. You’re covered!

Holiday flat in Valencia – Dreaming of sunny days in Spain? Our company flat is ready for your next getaway.

Gifts for special occasions – We love celebrating you! Expect thoughtful surprises on Easter, Women’s Day, Father’s Day, and more.

Anniversary gifts – Each work anniversary is a milestone worth celebrating, and we’ll continue to mark every year you spend with us with a special gift.

Team-building events – We value connection beyond work, offering engaging team experiences in great locations to inspire collaboration and fun.

End of the year celebrations – We wrap up each year with a special celebration, filled with joy, laughter, and unforgettable moments.

Day off on your birthday – Your special day is yours to enjoy, no work required!

Monthly massage day – Treat yourself to a relaxing massage at the office once a month.

Monthly themed lunch – Delicious food and great company – let’s keep sharing laughs and stories around the table each month.

Community and social initiatives – We bring people together through activities like Bring Kids to the Office Day, donation drives, tree planting, sporting events, decorating the Christmas tree with your colleagues, celebrating new office openings, Principal33’s anniversary, Exchange Office, and more!

Access to Udemy Learning Platform – We know growth matters, so you now have unlimited access to thousands of courses on Udemy. Develop your skills, anytime, anywhere!

German Language Courses – We offer dedicated language courses to help you develop your German skills, supporting both personal and professional growth.

SAP Courses – We’re preparing to launch specialized SAP training sessions to support your professional development and boost your expertise in this valuable field.

Personal & Professional Growth – We support your development through masterclasses with experienced trainers and are open to investing in courses and training that help you grow.

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