> Markdown version of [/jobs/ext/4531099-cobol-mainframe-software-engineer-dutch-speaking-brussels](https://www.wearedevelopers.com/jobs/ext/4531099-cobol-mainframe-software-engineer-dutch-speaking-brussels). 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). --- # Cobol/Mainframe Software Engineer/Dutch speaking/Brussels - **Company:** Endeavour Recruitment - **Location:** Brussel, Belgium - **Experience:** Expert - **Salary:** €130,000.0 - **Contract:** Temporary contract - **Skills:** Agile Methodology, Software Applications, COBOL (Programming Language), Code Review, Continuous Integration, IBM DB2, Software Design Documents, Github, Mainframes, Pl/i, Software Engineering, Backend, EGL (Enterprise Generation Language) - **Published:** November 3, 2026 - **Apply:** https://www.careerboard.com/be/en/find-jobs-in-Belgium/-5B30A3D618F3DE52C9/ ## About the Role * Next to a proven experience in software development, you have the following core competences : Agile Methodologies, Analytical thinking, Collaborating, Eager to learn, Independent, Problem solving, Result driven., * Solid technical experience in a Mainframe environment (COBOL, PL/1, EGL, DB2, IDz Workbench, CI/CD-GITHUB, Changeman, etc.) * The ability to translate business requirements into a functional and technical design. * Ability to work independently, get up to speed quickly (both technically and functionally), and be open to innovation * A team player, both with IT and business colleagues * Strong communication and interpersonal skills, with the ability to convey your ideas to others in a clear and structured manner * You function well in a complex environment that requires a great deal of coordination with various stakeholders. * Experience in the financial markets and investments is an advantage. * Proficiency in Dutch (ideally) and English is essential (international context) ## Description As a senior Backend Software Engineer, you have over 5 years of experience in creating designs and codes for Back End software applications : * Comprehend the functional design, based on the functional specifications. * Draw up the program structure based on the technical design. * Create and execute tests cases and modify existing programs for production. * Design related changes to be updated in the design document. * Conduct self & peer code review. * Resolve the assigned incidents and defects and track to closure. * Execute technical integration testing of the application in relation with interfacing applications.