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Spontaneous Application Senior Fullstack Consultant Python React M W D jobs in Brussels· Page 2

Results 21–40 of 264 for “Spontaneous Application Senior Fullstack Consultant Python React M W D” in Brussels.

264 jobs found

21 - 40 of 264 Jobs
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Sia logo
Full-time|On-site|Brussels

Sia is on the lookout for a talented and enthusiastic Senior Engineer Consultant who is dedicated to fostering relationships and achieving exceptional results. We value candidates with a strong academic background and ideally some relevant professional experience. We trust in the potential of our hires and encourage you to embrace responsibility quickly. You…

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

Join our dynamic team as a Senior Data Science Consultant at SIA, where we transform data into actionable insights. You will play a pivotal role in providing data-driven solutions to our clients, leveraging advanced analytics techniques, machine learning, and statistical modeling.

Mar 31, 2026
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sia logo
Full-time|On-site|Brussels

As a Senior Consultant in Financial Services at sia, you will leverage your expertise to provide strategic insights and solutions to our clients in the financial sector. You will be responsible for analyzing business processes, identifying opportunities for improvement, and implementing effective strategies that drive results. Your role will involve collaboration with cross-functional teams to deliver high-quality consulting services that meet our clients' needs.

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

Join our dynamic team as a Senior Life Sciences Consultant, where you will leverage your expertise in life sciences to deliver innovative solutions to our clients. You will collaborate with cross-functional teams to analyze complex challenges, develop strategic insights, and implement effective strategies that drive results.

Jan 26, 2026
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Sia logo
Full-time|On-site|Brussels

Join Sia as a Senior Consultant in IT Performance and Strategy, where you will lead transformative projects that optimize IT operations and drive strategic initiatives. Collaborate with cross-functional teams to assess and enhance IT performance, ensuring that our clients achieve their technology goals efficiently.

Jan 28, 2025
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sia logo
Full-time|On-site|Brussels

Join our esteemed consulting team at sia as a Senior Consultant, where you will leverage your industry expertise to drive impactful solutions for our clients. In this pivotal role, you will collaborate with diverse teams, manage client relationships, and contribute to strategic projects that shape the future of industries.

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

Join our team at sia as a Senior Consultant in Operational Excellence. In this pivotal role, you will leverage your extensive expertise to drive operational improvements and enhance client satisfaction across various industries. You will be responsible for leading transformative projects, collaborating with cross-functional teams, and implementing innovative solutions that align with our clients' strategic goals.

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

sia seeks a Senior Retail & E-commerce Consultant based in Brussels. The role centers on guiding clients as they enhance retail operations, with particular attention to e-commerce growth and digital transformation. Role overview This position involves collaborating directly with client teams. The consultant will help develop and put into action strategies aimed at business growth and modernization. Key focus areas Supporting retail operations improvement Driving e-commerce expansion initiatives Advising on digital transformation projects Location This role is based in Brussels.

Apr 24, 2026
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ARHS Group logo
Full-time|On-site|Brussels

Join the dynamic team at ARHS Group, a proud member of Accenture, where we are seeking a skilled Java Fullstack Developer to enhance our capabilities in Brussels, Belgium.Key Responsibilities:Develop robust applications using Java with a focus on the Spring framework or JEE.Write high-quality, testable, and efficient code while following best practices in software development.Utilize strong database skills and proficiently handle SQL queries.Embrace a DevOps mentality to streamline processes.Implement and work with microservices architectures.Use testing frameworks and tools to ensure application reliability.Adapt to Agile methodologies including Scrum, Jira, Confluence, code reviews, and user story development.Collaborate with cross-functional teams to deliver high-quality software solutions.Propose innovative solutions and demonstrate a proactive attitude.Maintain a results-oriented approach to achieve project objectives.Fluency in English and French is essential.A willingness to engage in full-stack development with experience in Angular considered a plus.At ARHS Group, we value collaboration, learning, and building strong relationships with our clients, colleagues, and communities. We offer flexible working arrangements to meet your work/life needs while encouraging in-person interactions.

Mar 20, 2025
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Talan logo
Full-time|On-site|Brussels

Join Talan as a Fullstack Developer in Brussels and play a vital role in shaping innovative solutions that drive our clients' success. As a member of our dynamic Engineering & Development team, you will collaborate on diverse projects, utilizing your expertise in both front-end and back-end technologies.

Apr 1, 2026
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Sopra Steria logo
Full-time|On-site|Brussels

Join our dynamic team at Sopra Steria as a Senior OMP Consultant in Brussels! In this pivotal role, you will leverage your expertise in Operational Management Processes to provide strategic insights and innovative solutions to our clients. You will collaborate with cross-functional teams to enhance operational efficiency and drive transformational projects.

Oct 17, 2025
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sia logo
Full-time|On-site|Brussels

Role overview sia seeks a Senior Consultant in Brussels to support clients in the energy, resources, and industrials sectors. The role involves offering strategic guidance and practical solutions, with a focus on the energy and utilities industry. This position requires a consultant who can manage projects from initiation to completion and help organizations strengthen their operations. What you will do Lead projects for clients in energy, resources, and industrials Collaborate with cross-functional teams to solve complex business issues Provide clear, actionable recommendations to support client objectives Ensure project results align with or surpass client expectations Location The role is based in Brussels.

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

Join our dynamic team at sia as a Senior Consultant, where you'll play a critical role in transforming the Transport, Manufacturing, and Retail sectors. We seek a talented individual who is passionate about delivering innovative solutions and enhancing operational efficiency for our clients.In this role, you will leverage your extensive experience to provide strategic insights, develop tailored strategies, and implement best practices that drive success and growth in the industry.

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

Sia is actively seeking intelligent and motivated Senior Consultants who are passionate about fostering relationships and achieving impactful results. We value candidates with strong academic backgrounds and relevant initial professional experience. At Sia, we empower our employees to take on responsibilities swiftly, as your growth is integral to our mission.As a Senior Consultant, you will engage in various projects focusing on:Reevaluating and enhancing the Finance Organization of our clientsEstablishing robust foundations for effective business and financial controllershipGaining and maintaining control over the financial impacts of business processesEnhancing and expediting financial closing, consolidation, and the efficiency of planning, budgeting, and forecasting processesYou will also have the chance to contribute to Sia’s internal initiatives:Advancing and refining our service offerings through a deep understanding of financial performance and strategySupporting business development by defining needs and participating in commercial strategiesWith an entrepreneurial spirit, you will collaborate with us in a rapidly expanding company.In return, you will enjoy:An international work environment that prioritizes diversity, inclusion, employee well-being, and corporate social responsibilityA supportive and friendly workplace with professional colleagues that fosters innovation and entrepreneurshipA personalized development plan with ongoing support and training opportunitiesA competitive salary package that includes a mobility budget, health insurance, performance-related bonuses, and more

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

Join sia as a Senior Cybersecurity Consultant, where you will leverage your expertise to protect organizations from emerging cyber threats. In this pivotal role, you'll collaborate with a dynamic team to design and implement robust security strategies tailored to our clients' needs.

Mar 13, 2026
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European Dynamics logo
Full-time|On-site|Brussels, Brussels, Belgium

We are seeking a highly skilled Application Architect (Java) who is fluent in English to join our dynamic team in Brussels, Belgium. The successful candidate will provide expert services either at our headquarters or directly at client sites. Initially, the architect will collaborate closely with a prominent client's IT team on-site.Key Responsibilities:Develop and maintain robust software applications.Design and implement component architectures and foundational blocks for a web content management system.Analyze the integration of various information systems.Conduct data analysis and modeling.Create comprehensive software architecture documentation.Participate in technical working groups, progress meetings, and user consultations.Support testing, analysis, technical documentation, deployment, evaluation, and reporting processes.Review existing system architectures to facilitate migration to cloud environments.Assist in testing and providing technical training.Draft technical documentation.Support deployment and system configuration.Provide assistance in resolving production issues as required.

Feb 19, 2026
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Almaviva De Belgique logo
Contract|On-site|Brussels, Brussels, Belgium

Join our dynamic team at Almaviva De Belgique as a Senior Application and Cloud Architect, where you will spearhead the development and maintenance of innovative software applications. Your expertise will guide the design and development of component architecture and foundational building blocks for our web content management system.You will conduct thorough analysis to integrate diverse information systems, perform data analysis and modeling, and produce comprehensive software architecture documentation. Collaboration is key, as you will participate in technical working groups, progress meetings, and user consultations.Your role will also involve assisting during various phases of testing, analysis, technical documentation, deployment, evaluation, and reporting. You will review existing system architectures to facilitate their migration to the cloud, support testing and technical training, and create clear, structured technical documentation.As a key member of our team, you may also provide assistance in resolving production issues as they arise.

May 5, 2026
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Sia logo
Full-time|On-site|Brussels

Sia is seeking enthusiastic and forward-thinking Senior Consultants who are dedicated to achieving results and nurturing client relationships. We value individuals with strong academic backgrounds and prior successful consulting experience. We empower our team to take on responsibilities swiftly, as your professional development is also a priority for us.As a Senior Consultant, you will engage in various projects and focus on the following responsibilities:Project Leadership: Design and deliver key outcomes, lead projects, cultivate robust relationships with middle and senior management, tailor and implement strategies to address client-specific needs, and facilitate workshops at seminars.Team Leadership: Provide coaching and support to new hires and junior consultants as needed.Mentor junior consultants quarterly, tracking their goals and offering constructive feedback.Business Development and Internal Expertise: Actively participate in working groups (sectoral and services).Contribute to proposals and engage in commercial meetings.Publish papers and articles.Lead internal initiatives.Your energy and ambition to thrive in a rapidly growing environment make you an ideal fit at Sia. In return, you can anticipate:An international workspace that prioritizes diversity, inclusion, employee well-being, and corporate social responsibility.A collaborative atmosphere with friendly, professional colleagues where innovation and entrepreneurship are fostered.A personalized development plan with regular evaluations and training opportunities.A competitive salary alongside attractive benefits, including a mobility budget, health insurance, performance-related bonuses, and more.

May 4, 2026
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AlmavivA de Belgique logo
Contract|On-site|Brussels, Brussels, Belgium

We are seeking a highly skilled Application and Cloud Architect to lead our IT development and architectural initiatives.The ideal candidate will possess:Extensive experience in IT architecture and development, with a strong focus on delivering high-quality solutions.Exceptional communication skills, both verbal and written, allowing for clear and effective interaction with diverse audiences.A proven ability to document architecture decisions, evaluate multiple solutions, and articulate pros, cons, and associated risks.A collaborative team spirit and the ability to maintain high standards of quality.Proficiency in UML modeling for effective diagramming and representation of architectural concepts.Strong analytical and problem-solving skills, coupled with the capability to produce clear and structured technical documentation.

Apr 30, 2026
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European Dynamics logo
Full-time|Remote|Remote — Brussels, Brussels, Belgium

We are excited to announce an opening for a Senior Java Application Architect fluent in English, to contribute as a key expert from anywhere within the EU. The selected candidate will join our Development team and engage closely with a prominent client’s IT team on-site.Key Responsibilities:Architect and design sophisticated information systems.Develop architectural components and essential building blocks.Create comprehensive software architecture documentation.Design application data models and workflow models.Develop APIs using appropriate frameworks such as REST and Swagger.Build software components utilizing back-end technologies like Java Spring and JPA.Implement application integration with corporate IAM services for authentication and authorization.Ensure timely delivery via CI/CD pipelines.

Apr 1, 2026

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