> Markdown version of [/jobs/ext/4060476-senior-developer-consultant](https://www.wearedevelopers.com/jobs/ext/4060476-senior-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 Developer Consultant - **Company:** Keystone Solutions - **Location:** Brussel, Belgium - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Microsoft Windows, Agile Methodology, Microsoft Azure, Databases, Linux, PostgreSQL, Node.Js, OpenShift, TypeScript, Cloud Platform System, ReactJS, Spring-boot, Containerization, Kubernetes, Docker, Programming Languages - **Published:** October 23, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=d40c8fc3857297d2 ## About the Role Relevant professional experience in the IT field during which you have performed at least the following tasks: * Writing programs * Improving existing applications * Adapting applications based on technical evolutions (hardware and software) * Modifying applications based on regulatory and administrative changes * Ensuring a user-friendly interface for applications * Analyzing and resolving bugs You have also participated in the following tasks: * Deploying developments in different environments * Adapting the database structure * Enhancing the performance of existing developments * Documenting the developments made, * You have practical development experience in one of the following three languages: JavaScript or TypeScript + React, NodeJS, or Java. * You possess at least a passive knowledge of the second national language and are proficient in English. * You have experience with Agile/Scrum methodology. * You have technical experience in the following areas: containerization tools (Docker, Kubernetes, OpenShift), cloud environments (Azure), operating systems (Windows, Linux), other programming languages, and databases (PostgreSQL)., * Agile - Level: Confirmed - Most recent: 1 to 3 years ago * Docker - Level: Junior - Most recent: Any time * Java - Level: Confirmed - Most recent: 1 to 3 years ago * Javascript - Level: Confirmed - Most recent: This year * Kubernetes - Level: Junior - Most recent: Any time * Node.js - Level: Confirmed - Most recent: Any time * PostgreSQL - Level: Confirmed - Most recent: Any time * React - Level: Confirmed - Most recent: Any time * Rest - Level: Confirmed - Most recent: 1 to 3 years ago * Spring Boot - Level: Confirmed - Most recent: 1 to 3 years ago ## Description * Participate in the technical analyses necessary to develop these applications, in tandem with business and functional analysts. * Engage in the actual development of software components with your immediate colleagues in the development team. * Assist in the deployment, maintenance, and support of these applications, closely collaborating with systems, network, and infrastructure engineers, as well as the helpdesk., At Keystone Solutions, we pride ourselves on our consultancy nature, focusing on on-site work and the consultant identity. You will face dynamic projects that offer a diversity of challenges across various client environments. Our commitment to turbo-charged learning ensures that you will have broad learning experiences, and we are dedicated to skyrocketing your ambition and career growth within our framework. Being a 'K-Stone' means bringing our core values to every engagement.