> Markdown version of [/jobs/ext/2997414-sap-business-one-developer](https://www.wearedevelopers.com/jobs/ext/2997414-sap-business-one-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sap Business One Developer - **Company:** Barcelona Supercomputing Center - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** .NET Framework, Application Programming Interfaces (APIs), Applications Architecture, C Sharp (Programming Language), Computer Engineering, Crystal Reports (Reporting Software), Web Development, Entity Framework, Microsoft SQL Server, Visual Basic .NET (Programming Language), Power BI, Standard Sql, SAP Business One, Service Layer, SQL Stored Procedures, Systems Integration, Information Technology, Enterprise Integration, Software Coding, Restful APIs - **Published:** September 19, 2026 - **Apply:** https://www.buscojobs.com.es/sap-business-one-developer-en-madrid-ID-370429509 ## About the Role Degree in Computer Engineering, Information Technology, or similar Essential Knowledge and Professional Experience Minimum 2-3 years of experience with SAP Business One Solid programming knowledge in C# / VB.NET and experience with SAP B1 SDK (DI API, UI API) Strong knowledge of SQL Additional Knowledge and Professional Experience Familiarity with ERP functional processes: finance, purchasing, sales, fixed assets Nice to have: Experience with Service Layer and API REST integrations Knowledge of Crystal Reports and Power BI Knowledge of web development with . NET and Entity Framework Working fluency in Spanish and English is required, Catalan will be a plus. Competences Problem Solving (APIs & Integrations): Diagnose and resolve issues with Service Layer, REST APIs, and SAP B1 SDK ERP & Business Understanding: Ability to translate business processes into technical solutions. Communication & Collaboration: Clear communication with technical and non-technical staff. ## Description We are looking for a Mid-Level SAP Business One Developer / Analyst to join our IT team.You will work under the supervision of the department lead while learning about the current SAP B1 implementation and the active developments.Key DutiesDevelop and customize functionalities using SAP Business One SDK and associated tools (.NET, DI API, UI API, Service Layer) Create integrations with other applications Design and optimize queries, views and stored procedures on SQL Server Maintain and evolve existing add-ons and extensions Provide technical and functional support to internal users RequirementsEducationDegree in Computer Engineering, Information Technology, or similar Essential Knowledge and Professional ExperienceMinimum 2-3 years of experience with SAP Business One Solid programming knowledge in C# / VB.NET and experience with SAP B1 SDK (DI API, UI API) Strong knowledge of SQL Additional Knowledge and Professional ExperienceFamiliarity with ERP functional processes: finance, purchasing, sales, fixed assets Nice to have: Experience with Service Layer and API REST integrations Knowledge of Crystal Reports and Power BI Knowledge of web development with .NET and Entity Framework Working fluency in Spanish and English is required, Catalan will be a plus.CompetencesProblem Solving (APIs & Integrations): Diagnose and resolve issues with Service Layer, REST APIs, and SAP B1 SDK ERP & Business Understanding: Ability to translate business processes into technical solutions.Communication & Collaboration: Clear communication with technical and non-technical staff.ConditionsThe position will be located at BSC within the Management Department We offer a full-time contract (35h/week), a good working environment, a highly stimulating environment with state-of-the-art infrastructure, flexible working hours, extensive training plan, restaurant tickets, private health insurance, support to the relocation procedures Duration: Open-ended contract due to technical and scientific activities linked to the project and budget duration Holidays: 22 days of holidays + 6 personal days + 24th and 31st of December per our collective agreement Salary: we offer a competitive salary commensurate with the qualifications and experience of the candidate and according to the cost of living in Barcelona#J-*****-Ljbffr ## Related Videos - [Replacing Excel with SAP APIs & Python validation](https://www.wearedevelopers.com/videos/1944-replacing-excel-with-sap-apis-python-validation) - [Beyond Dashboards: Fixing Text-to-SQL with Semantic RAG](https://www.wearedevelopers.com/videos/2036-beyond-dashboards-fixing-text-to-sql-with-semantic-rag) - [Rest API Antipatterns](https://www.wearedevelopers.com/videos/100208-rest-api-antipatterns) - [How building an industry DBMS differs from building a research one](https://www.wearedevelopers.com/videos/768-how-building-an-industry-dbms-differs-from-building-a-research-one) - [REST, GraphQL, gRPC, and more: A comparison of modern API styles](https://www.wearedevelopers.com/videos/100247-rest-graphql-grpc-and-more-a-comparison-of-modern-api-styles) - [REST In Peace: Why LLMs Can't CRUD](https://www.wearedevelopers.com/videos/100272-rest-in-peace-why-llms-can-t-crud) ## Related Articles - [Spanish Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/353-spanish-business-culture-and-etiquette) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Best Coding Boot Camps in Germany](https://www.wearedevelopers.com/magazine/237-best-coding-boot-camps-in-germany) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)