> Markdown version of [/jobs/ext/4056435-senior-sas-developer-consultant](https://www.wearedevelopers.com/jobs/ext/4056435-senior-sas-developer-consultant). 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). --- # Senior SAS Developer Consultant - **Company:** Keystone Solutions - **Location:** Brussel, Belgium - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Excel, Unit Testing, Batch Processing, Data Integration, Extract Transform Load (ETL), Data Warehousing, Relational Databases, JSON, PostgreSQL, Oracle (Applications), SAS (Software), SAS/Base, Simple Data Format, SQL Databases, Extensible Markup Language (XML), Data Processing, Integration Tests - **Published:** October 16, 2026 - **Apply:** https://www.adzuna.be/details/5931828025 ## About the Role * Minimum 5+ years of hands-on experience in SAS development and Data Warehouse (DWH) environments. * Strong expertise in SAS Base, including DATA Step, PROC SQL, SAS Macro Language, and advanced SAS programming techniques. * Experience working with various file formats such as Excel, XML, JSON, and flat files. * Experience integrating SAS with relational databases, particularly Oracle and PostgreSQL. * Good understanding of ETL concepts and data integration processes. * Proven experience in analyzing, maintaining, and optimizing existing SAS applications and programs. * Ability to understand and implement complex business rules. * Strong analytical skills, autonomy, problem-solving mindset, and effective communication abilities. Personal Skills: * Analytical and structured approach. * Strong sense of ownership and accountability. * Ability to quickly understand existing applications and business processes. * Pragmatic and results-oriented mindset. * Team player with excellent collaboration skills. Languages: * Fluent in French and/or Dutch, both spoken and written. * Ability to read and understand technical documentation in English. At Keystone Solutions, we pride ourselves on our consultancy nature, offering dynamic projects that provide turbo-charged learning opportunities and a commitment to skyrocketing ambition. Being a If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal., * DWH - Level: Junior - Most recent: Any time * ORACLE & SQL - Level: Junior - Most recent: Any time * SAS BASE - Level: Confirmed - Most recent: Any time * SAS ETL - Level: Confirmed - Most recent: Any time * SAS Macro - Level: Confirmed - Most recent: Any time * XML, JSON, xlsx, csv experience working with files in SQL - Level: Junior - Most recent: Any time Language requirements: - Fluent in French and/or Dutch, both spoken and written. - Ability to read and understand technical documentation in English. ## Description Keystone Solutions is seeking an experienced Senior SAS Developer / Consultant to join our consultancy mission at a client site. You will be part of a dynamic BI/DWH team responsible for the development, maintenance, and support of a large portfolio of SAS-based applications and data processing solutions for multiple public-sector organizations., * Analyze business and functional requirements in collaboration with analysts. * Develop, test, and maintain SAS Base applications and data processing programs. * Contribute to the development, enhancement, and optimization of ETL processes. * Perform unit testing and support integration testing activities. * Ensure corrective and evolutionary maintenance of existing applications. * Optimize the performance, reliability, and maintainability of SAS programs and batch processes. * Produce and maintain technical and functional documentation. * Work closely with analysts, architects, data engineers, and other developers within the team.