




Job Summary: We are seeking a Senior .Net Developer for the Customer Experience Unit, responsible for the analysis, design, coding, and testing of complex programs and/or processes, ensuring quality and adherence to timelines. Key Highlights: 1. You will be part of the Customer Experience Unit. 2. You will perform analysis, design, coding, and testing of programs. 3. You will work with agile methodologies such as SCRUM. Senior .Net Developer Humanizing Technology. We are a large company with a startup mindset. We organize ourselves into expert knowledge units that collaborate closely with one another. At SEIDOR, we strongly believe in the growth opportunities offered by internal mobility, considering it one of the best ways to develop both personally and professionally. ARE YOU READY FOR THE CHALLENGE? As a Senior Developer, you will join the Customer Experience Unit. Within the Customer Experience Unit, we focus on generating, developing, and expanding all types of digital channels and customer management applications for enterprises, covering the full lifecycle of any digital initiative across domains such as customer and employee experience, marketing, data and analytics, or integration. Our clients include major companies across various sectors—such as Telecom, Insurance, Banking, Industry, Tourism, Energy & Utilities—as well as the Public Sector. WHAT WILL YOU DO ON A DAILY BASIS? * You will be responsible for performing technical tasks—including analysis, design, coding, and testing of complex programs and/or processes—based on functional and/or technical specifications defined by analysts or architects, ensuring their operation within planned timelines. * You will produce technical design and documentation, as well as user manuals, adhering to the established methodology and based on functional and technical designs. * You will carry out program coding and necessary tool customization. * You will support the design and preparation of test and training environment data, as well as integration testing, ensuring quality control of documentation and developed programs. * You will review continuous integration reports and make required corrections to ensure maximum code quality. * You will perform functions and analyses on low-complexity projects. * You will inform the Analyst and/or Project Manager about any risks, incidents, or obstacles affecting project quality. * Corrective, adaptive, and evolutionary maintenance. Integration tasks. WHAT DO WE EXPECT FROM YOU? Minimum experience: 6 years in .NET development. * Required technology stack: * SQL Server (T-SQL), SQL Server Reporting Services * OOP (Object-Oriented Programming) * Visual Studio 2019 / 2022 * .NET Framework (Web/Desktop architectures) 4.5 or higher, .NET Core Framework 3.1 or higher * C#, VB.NET * Web Forms * HTML/Javascript/CSS * JQUERY, AJAX, XML/XSL/XSLT, BOOTSTRAP 3, ASMX Web Services, WCF * RESTful Web Services (ASP.NET WEB API) * ASP.NET AJAX Controls * LINQ to Entities * Entity Framework 6 (Database First) * Entity Framework Core (Database First) * Design patterns * Agile methodologies (SCRUM) * SOLID principles * Knowledge of real estate management * University degree (Bachelor’s, Master’s, Superior Engineering, Technical Engineering) or vocational training (FP) in IT. * High level of English is desirable. REQUIREMENTS On-site presence is required, with an intensive working schedule throughout the year. WHAT WILL YOU FIND AT SEIDOR? * A diverse team. We respect differences that make us more human. * Camaraderie. We work as a team and learn from each other. * Flexibility and work-life balance. Remote work is in our DNA. We promote flexible working hours and offer intensive schedules on Fridays and during July and August. * Continuous learning. Training in languages, technical skills, certifications, etc. * Individualized career paths, allowing you to decide how far you want to go. * Autonomy and the opportunity to propose and drive new initiatives. * Flexible compensation program: childcare vouchers, meal vouchers, transportation vouchers, and private health insurance. * Exclusive discounts and special conditions for technology, leisure, travel, etc. * Opportunities to participate in social responsibility and environmental initiatives. * If you have international aspirations, we operate in 45 countries. Join our team and help us humanize the world through technology! .NET, C#, SQL Server, T-SQL, Visual Studio,


