Spontaneous Application Senior Fullstack Consultant Python React M W D jobs in Brussels – Browse 264 openings on RoboApply Jobs

Spontaneous Application Senior Fullstack Consultant Python React M W D jobs in Brussels

Open roles matching “Spontaneous Application Senior Fullstack Consultant Python React M W D” with location signals for Brussels. 264 active listings on RoboApply Jobs.

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everience logo
Full-time|On-site|Brussels

Role Overview everience is seeking a Senior Fullstack Consultant with strong experience in Python and React for its Brussels team. This is a spontaneous application opportunity for professionals ready to contribute to digital transformation projects across both front-end and back-end development. What You Will Do Develop and maintain applications using Pytho…

Apr 17, 2026
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everience logo
On-site|On-site|Brussels

Join everience by submitting your spontaneous application for potential opportunities in the Benelux region! We are always on the lookout for talented individuals who are eager to contribute to our innovative projects and dynamic team. At everience, we prioritize creativity and collaboration, fostering an environment where you can thrive and grow.

Mar 27, 2026
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Coreso logo
Full-time|On-site|Brussels, Brussels, Belgium

If you are passionate about working with Coreso but don't see a specific job opening that fits your profile, we encourage you to submit a spontaneous application. We are always on the lookout for talented individuals who share our vision and values.

Oct 29, 2025
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UITP (International Association of Public Transport) logo
Spontaneous Application at UITP | Brussels, Belgium

UITP (International Association of Public Transport)

Full-time|On-site|Brussels, Brussels, Belgium

We welcome your interest in UITP! If you do not find any current openings that align with your skill set and professional background, we encourage you to submit a spontaneous application. Our team is always on the lookout for talented individuals who can contribute to our mission and enhance our diverse workforce.

Aug 28, 2025
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everience logo
Full-time|On-site|Brussels

About the Role everience welcomes spontaneous applications from experienced Senior IT Infrastructure Engineers (m/w/d) interested in joining our Brussels team. The company focuses on delivering IT infrastructure services and values professionals who bring energy and fresh ideas to their work. Who We're Looking For Extensive experience in IT infrastructure engineering Strong problem-solving skills Ability to contribute to a collaborative team Interest in supporting and improving IT systems Location This position is based in Brussels. How to Apply If you are interested in joining everience as a Senior IT Infrastructure Engineer, submit a spontaneous application. The team reviews every application for potential fit with current or future openings.

Apr 17, 2026
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everience logo
Full-time|On-site|Brussels

Join our dynamic team at everience as a Senior Data Engineer! We are on the lookout for passionate individuals who are ready to take their careers to the next level. In this role, you will have the opportunity to work on innovative data engineering projects that drive impactful decisions and enhance our business strategies.

Mar 27, 2026
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European Dynamics logo
Full-time|On-site|Brussels, Brussels, Belgium

We are excited to announce a current opening for a Senior Application Architect (Spring, React) fluent in English, to join our expert team based in Brussels, Belgium. The role involves providing high-level architectural expertise, working either from our company premises or directly at client locations. As part of this initial assignment, the successful candidate will be integrated into our Development team, collaborating closely with a prestigious client's IT team on-site.Key ResponsibilitiesGather and analyze project requirements, assessing task feasibility and proposing secure solutions;Select a secure technology stack that meets project specifications;Develop all secure application components for both backend and frontend;Deliver high-security and quality products through rigorous testing;Provide support to the onsite team, including deployments and documentation;Implement and develop applications with stringent IT security measures, including secure web services.

Mar 7, 2025
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everience logo
Full-time|On-site|Brussels

Are you a driven IT Project Manager looking for an exciting opportunity to lead innovative projects? At everience, we are always on the lookout for talented individuals who are passionate about technology and project management. This spontaneous application allows you to express your interest in joining our dynamic team, where your skills can shine and contribute to our mission of delivering cutting-edge IT solutions.

Feb 27, 2026
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everience logo
Part-time|On-site|Brussels

Join everience as a Senior Business Analyst and play a crucial role in transforming business objectives into actionable strategies. You will collaborate closely with cross-functional teams to deliver insights and solutions that drive organizational success. Your analytical skills and business acumen will be pivotal in identifying opportunities for improvement and innovation.

Apr 13, 2026
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Netcompany logo
Full-time|On-site|Brussels

Are you eager to gain insight into the daily responsibilities of a Senior Application Support Agent at Netcompany?In this pivotal role, you will:Conduct thorough data analysis to inform policy decisions, utilizing existing dashboards while developing new ones as necessary.Oversee and enhance project activities, playing a key role in the ongoing improvement of the project.Administer clinical and non-clinical project tools, ensuring their effective operation to meet organizational needs.Translate business requirements into actionable data and IT service specifications, serving as a liaison between stakeholders and technical teams.Execute data quality controls to guarantee the accuracy, consistency, and reliability of project data.Perform User Acceptance Testing (UAT) to ensure that delivered services align with established business criteria.Keep documentation current, including user manuals, FAQs, databases, wikis, and information dashboards.

Mar 17, 2026
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European Dynamics logo
Full-time|On-site|Brussels, Brussels, Belgium

Join our innovative team at European Dynamics as a Senior Application Architect in Brussels, Belgium. This role involves collaborating closely with our Development team and a major client's IT team, either from our office or on-site. You will play a pivotal role in leveraging your expertise to enhance our application architecture.Key Responsibilities:Engage in agile methodologies, making essential decisions about priorities, business value, and functionalities for the agile development team.Oversee various activities across multiple projects, ensuring compliance with review processes, monitoring task statuses, and coordinating with internal units and the Simpl program.Maintain a comprehensive understanding of project objectives and goals.Collaborate effectively with business analysts, customers, users, project leaders, and developers.Analyze the integration of various environments within the program.Supervise the implementation of technical architecture, focusing on the integration and interoperability of open-source software components within a cloud architecture.Support testing, analysis, technical documentation, deployment, evaluation, and reporting processes.

Jan 8, 2026
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European Dynamics logo
Full-time|On-site|Brussels, Brussels, Belgium

European Dynamics is looking for a Senior Application Architect to join its Brussels office. This position requires fluency in English and involves working either at company headquarters or directly at client sites. The first assignment places you within the Development team, collaborating closely with a major client's IT department. What you will do Design and architect complete information systems tailored to client needs. Develop agentic AI solutions, including those based on Amazon Kiro. Plan, implement, and maintain database layers for multi-tier applications. Design, build, and support the front-end layer of web applications. Conduct data analysis, data modeling, and create physical database designs. Create and manage database stored procedures. Configure databases for optimal performance and reliability. Execute database testing programs to ensure stability and quality. Define and integrate database components within broader application architectures. Assist with deployment and configuration of databases. Work setting This role is based in Brussels, Belgium, with work taking place either at European Dynamics offices or on-site with clients, depending on project needs.

Apr 28, 2026
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Speechify logo
Full-time|On-site|Brussels, Belgium

Join Speechify as a Senior Software Engineer specializing in Windows and Desktop Applications. In this role, you will leverage your expertise to design, develop, and optimize high-quality software solutions that enhance user experiences. You will collaborate with cross-functional teams to drive product innovations and ensure seamless integration of technologies.

Apr 30, 2026
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European Dynamics logo
Full-time|On-site|Brussels, Brussels, Belgium

We are excited to announce a vacancy for a Senior Application/Cloud Architect fluent in English, to join our team at European Dynamics, based in Brussels, Belgium. As a pivotal member of our Development team, you will collaborate closely with a major client’s IT staff, either at our headquarters or on-site.Your ResponsibilitiesDesign and execute CI/CD pipelines along with Infrastructure as Code (IaC);Analyze and model data, systems integration, and enterprise processes;Architect, develop, and enhance cloud and enterprise architectures;Establish architecture components, building blocks, and development protocols;Facilitate technical coordination among stakeholders, architects, and developers;Create and maintain architecture and technical documentation;Evaluate and modernize existing systems, including cloud migration strategies;Develop, integrate, deploy, and maintain backend and frontend systems;Oversee the execution of technical architecture and system configurations;Monitor systems, manage incident resolution (3rd level support), and track bugs;Engage in technical working groups, user meetings, and progress evaluations;Support testing, deployment, evaluation, and reporting tasks;Analyze the information systems portfolio and corporate data flows;Mentor junior team members and review technical outputs.

Apr 17, 2026
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sia logo
Full-time|On-site|Brussels

We are seeking a highly skilled Senior Consultant in Procurement to join our dynamic team at sia. In this pivotal role, you will leverage your expertise in procurement strategies to drive efficiency and cost-effectiveness across various projects. You will collaborate with clients to analyze their procurement processes, identify areas for improvement, and implement tailored solutions that enhance their overall operational performance.As a Senior Consultant, you will also mentor junior consultants, sharing your knowledge and fostering a culture of continuous improvement within the organization. Your insights will be crucial in shaping our consulting strategies and expanding our service offerings.

Mar 27, 2026
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sia logo
Full-time|On-site|Brussels

Role overview sia is hiring a Senior Consultant for its Brussels office, specializing in the Energy and Utilities sector. This position focuses on advising organizations in the energy industry, with an emphasis on improving efficiency and advancing sustainability. The role involves close cooperation with colleagues from different disciplines to support client projects. Main responsibilities Analyze client operations and monitor industry trends in energy and utilities Create strategic recommendations that address specific client needs Present findings and practical insights to client stakeholders Help shape client energy strategies, ensuring alignment with industry practices Collaboration and impact Senior Consultants at sia regularly work with cross-functional teams. The position plays a key part in helping clients solve complex problems and make progress toward operational excellence and sustainability targets.

Apr 23, 2026
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sia logo
Full-time|On-site|Brussels

Join our dynamic team as a Senior Consultant at sia, where you will leverage your expertise to deliver high-impact solutions for our clients. As a pivotal member of our consulting team, you will engage with diverse projects, drive strategic initiatives, and help shape the future of our clients' businesses.

Mar 6, 2026
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Sia logo
Full-time|On-site|Brussels

Join our dynamic team at Sia as a Senior Consultant specializing in Environmental, Social, and Governance (ESG) solutions. We are seeking innovative and driven professionals who are passionate about sustainability and eager to help our clients leverage analytics and technology to identify, monitor, and mitigate risks. Your role will involve guiding clients on their sustainability journeys, ensuring compliance with evolving reporting standards while enhancing their ESG performance.As a Senior Consultant, you will focus on:Identifying critical sustainability issues and establishing strategic goals to align them with corporate objectives.Implementing processes, controls, and dashboards to track progress toward sustainability targets and ensure accurate reporting.In addition to client-facing projects, you will play a key role in Sia's internal initiatives:Contributing to the development of our service offerings by interpreting change management challenges.Engaging in business development efforts by defining client needs and participating in commercial initiatives.

May 4, 2026
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Sopra Steria logo
Full-time|On-site|Brussels

Join our dynamic team as a Fullstack .NET Developer, where you will play a crucial role in designing and developing innovative software solutions. You will collaborate closely with cross-functional teams to create high-quality applications that meet the needs of our clients.In this role, you will utilize your expertise in .NET technologies to build scalable web applications and services. Your contributions will help enhance our systems and drive efficiency across various projects.

Apr 24, 2025
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Sia Partners logo
Full-time|On-site|Brussels

Sia Partners is seeking passionate and motivated Senior Consultants who are dedicated to forging strong relationships and achieving impactful results. We are looking for individuals with a proven academic background and at least one successful professional experience. Our belief in our team members drives us to encourage swift assumption of responsibilities, as your personal growth is paramount to us.As a Senior Consultant, you will engage in transformative projects for our clients. Your role will encompass executing project assignments that include intelligent data structuring, data analysis, benchmarking, conducting interviews, facilitating workshops, process mapping, and drafting functional specifications. You will quickly transition into a support role for your team by mentoring new hires and junior consultants. Additionally, you will have the chance to actively contribute to our knowledge-sharing initiatives through workshops, publications, and seminars within various industry sectors.With an entrepreneurial spirit, you are prepared to join us in our rapidly expanding firm.

May 4, 2026

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