About Juan Antonio
Spanish
Native or bilingual
Experience
- SOPRA STERIASenior Full Stack .NET/Angular Developer in projects for Airbus Defence, Aliseda Inmobiliaria, and ABB.SOFTWARE PUBLISHINGMay 2019 - Today (7 years and 1 month)Sevilla, SpainSenior Full Stack Developer at Sopra Steria with over 7 years of continuous experience in three consecutive projects for leading end clients: Airbus Defence and Space (defense sector), Aliseda Inmobiliaria (real estate servicer), and ABB (industrial sector).Main Stack: C# / .NET (Framework and Core), Angular (14 with PrimeNG, AngularJS), TypeScript, JavaScript, and SQL Server.Key Functions and Achievements:- Full stack development of enterprise applications: backend with .NET, frontend with Angular, SQL Server database, REST APIs, and SOAP/WCF web services.- Design and development of advanced data layer: complex views, stored procedures, T-SQL, and complete migrations of legacy databases to modern models.- Enterprise reporting with Crystal Reports, integrations with industrial systems, and experience in regulated environments (defense, financial institutions, critical industrial systems).- Technical lead for a corporate application with two junior developers under my charge for over 4 years, assuming direct client communication, planning of evolutions, and comprehensive management of three production environments (development, pre-production, and production).- Currently Focal Point for a module in a strategic project, responsible for sprint planning, delivery commitments, and team coordination. In parallel, training in Sopra Steria's internal Operational Manager program.- Application of best practices: SOLID principles, layered architecture, design patterns, code review, and work under Scrum methodology with Jira and Git.- International experience: 4-month professional assignment in Lisbon for the implementation of a critical industrial system.I combine broad technical knowledge with real end-client experience, the ability to take responsibility for deliveries, and fluency in working in demanding environments with defined SLAs.
- Grupo ICA (Informática y Comunicaciones Avanzadas)VB.NET / SQL Server DeveloperSOFTWARE PUBLISHINGNovember 2018 - May 2019 (6 months)Madrid, SpainNational Securities Market Commission (CNMV), MadridOn-site / MadridEvolutionary and corrective maintenance of internal applications for the National Securities Market Commission (CNMV), Spain's financial markets regulatory body.Main Functions:- Maintenance of applications developed in VB.NET, functional modifications, and development of new functionalities on critical production systems.- Handling and resolution of incidents in internal CNMV applications under defined SLAs.- Development and optimization of SQL Server queries, as well as maintenance of stored procedures.- Work in the regulated financial sector environment, with strict quality, security, and traceability requirements.Stack: VB.NET, SQL Server, T-SQL.
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