1,439+ Pythonreact Developer Freelance Jobs in Belgium — Top Companies Hiring August 2026

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Scrum Master (Permanent contract and Freelance)

Passionate about tech, digital, and innovation? Join the 1,800 employees at Smile, the European leader in open-source integration, spread across 20 agencies in 9 countries. Collaborative spirit and knowledge sharing are at the heart of our DNA. Our experts push the boundaries of open source every day to b ...

Stadsreporter Sint Truiden & Gerechtsjournalist Tongeren (Freelance)

Bij HLN geloven we dat lokaal nieuws méér is dan het brengen van feiten. Het gaat over verhalen die raken, verbazen en verbinden. Sint-Truiden barst van die verhalen en daarom zoeken we jou. Niet per se de meest ervaren journalist, maar een nieuwsgierige speurneus die Limburgs nieuws tot leven brengt voor hee ...

Belgium: Business Intelligence Expert Freelance (REF18)

Description :You are familiar with a data environment and working with and querying large volumes of data. You are an experienced Power BI developer, driven by data analysis and data visualization. You excel in designing, developing, and implementing dashboards that are clear and easil ...

Functional Test Specialist (Employed or freelance)

Tasks and responsibilitiesFor this assignment, a testing team is being expanded to support SAT activities across business-as-usual changes, satellite applications and project-related evolutions.The team is responsible for planning and executing the SAT test scope. In addition, it provides inp ...

Compliance Engineer GMP Pharma (Freelance mogelijk)

FunctieomschrijvingVoor een project in de farmaceutische sector in Beerse zoeken we een Compliance Engineer die kwaliteitseisen en de operationele praktijk vlot met elkaar verbindt. In deze functie ondersteun je productie-, operationele en logistieke teams bij compliancevraagstukken en verbeterinitia ...

Functional Analyst (permanent contract and freelance)

Passionate about tech, digital, and innovation? Join the 1,800 employees at Smile, the European leader in open-source integration, spread across 20 agencies in 9 countries. Collaborative spirit and knowledge sharing are at the heart of our DNA. Our experts push the boundaries of open source every day to build ...

Freelance Luxury Brand Evaluator Schoten, BE

Join the global community that enhances and elevates the experience of the most prestigious luxury brands in the world! CXG, a leading customer experience agency servicing premium and luxury brands, is looking for mission-based Customer Experience Evaluators who are existing luxury brand customers.As a ...

Expert microsoft copilot security & governance Freelance

Description du posteTaux journalier (TJM): TJM HT max 899 € (hors éventuels frais de mission, à discuter avec le client) La mission est orientée accompagnement opérationnel, expertise et mise en œuvre, avec une présence flexible adaptée aux besoins des différentes phases du projet.<str ...

Ingénieur bureau d’études électricité (junior) Freelance

Description du posteTaux journalier (TJM): TJM HT max 545 € (hors éventuels frais de mission, à discuter avec le client) Ingénieur Bureau d’Etudes Electricité (Junior) :Au sein d’une équipe d’experts, vous contribuez aux études techniques permettant d’adapt ...

Procestechnieker Slibverwerking en Drogerinstallatie (Freelance mogelijk)

Taken en verantwoordelijkhedenVoor de slibverwerkings- en drooginstallatie in Houthalen-Helchteren zoeken we een procestechnieker die mee instaat voor een veilige, stabiele en kwaliteitsvolle werking van de installatie. Je werkt samen met collega’s in een ploegensysteem en draagt bij aan een vlotte ...

Freelance Business Change Manager Dossierbehandelingssysteem (Expert)

Taken en verantwoordelijkhedenAls Business Change Manager ondersteun je de voorbereiding, uitrol en adoptie van een nieuw dossierbehandelingssysteem binnen een operationele organisatie. Je werkt daarbij nauw samen met de projectorganisatie, de business, leidinggevenden, kerngebruikers, procesverantw ...

Freelance Building Maintenance & Facility Manager

Coordinate and supervise daily building maintenance operations, including preventive, corrective, and periodic maintenance activities.Manage and support a team of technicians and skilled workers while overseeing planning, workload allocation, and leave management.Follow up o ...

Consultant principal – Gouvernance & Stratégie TIC Freelance

Description du posteTaux journalier (TJM): 800 Mission : 01/10/2026 – 31/03/2027 · Temps pleinLocalisation : Bruxelles · HybrideMissions principales Réaliser l’analys ...

Belgium:.Net Software Engineer Freelance (REF18)

Mission description:The Group IT organization is looking for full-stack software engineers to join the Consumer Centricity program team. The team that defines, develops, maintains, supports and operates the components that builds up the services to enable new ...

Solution Architect Integratie & Data (Freelance mogelijk)

Taken en verantwoordelijkhedenAls architect binnen een subteam rond proactieve diensten help je de visie op producten en dienstverlening mee vorm te geven. Je combineert architecturaal inzicht met businessanalyse en ondersteunt de Product Owner bij het uitwerken van de roadmap en de verdere evolutie ...

Belgium: System Administrator Senior Freelance (REF18)

Description of tasks:Support and administration of JAVA Enterprise (J2EE) applications.Create and maintain incidents/requests in our ticket system and follow ITIL best practicesCreate and update knowledge articles for known is ...

ERP Project Manager (Freelance) 12 Months

Job DescriptionWe are seeking a hands-on Project Manager with strong ERP implementation experience and a background in applications. This role will support the Program Manager responsible for a large business transformation program with the greenfield implementation and roll-out ...

Senior Data Engineer (employee or freelance)

Who we are: We’re Qover, a leading insurtech scale-up that has raised $70 million.With an international team of 160+ colleagues based i ...

Project Manager Automation Pharma (Freelance kan)

FunctieomschrijvingAls Project Manager Automation stuur je automatisatieprojecten aan binnen een chemische productieomgeving waar actieve farmaceutische ingrediënten worden ontwikkeld en geproduceerd. Je focust op de optimalisatie en vernieuwing van bestaande installaties en automati ...

Freelance HR Budget & Workforce Consultant

Key Responsibilities HR Budget Strategy & Personnel Cost ManagementDevelop and monitor HR budget strategies in alignment with organizational objectives.Analyze and forecast personnel costs.Support ...

Project Manager IT&OT Projects Freelance

Job descriptionDaily rate: 600 About the RoleWe are looking for an experienced IT & OT Project Manager to join a long-term program in Leuven. In this role, you will oversee multiple IT and Operational Technology (OT) projects, ensuring successful delivery from pl ...

Freelance Payroll Consultant Job ID: JP054929

Freelance Payroll Consultant Location: Menen, Belgium – Hybrid Duration: 1 July 2026 – 30 November 2026 Availability: Approximately 6 days per month Level: Senior We are looking for an experienced Payroll C ...

Freelance Sales Manager C level sales

Are you a driven Sales Manager with a passion for consultative, high-level sales? Do you want to make a real impact by selling top-tier MBA programs to ambitious professionals and executives? Then this opportunity in Brussels is for you.About the ...

Automotive Technical Training Specialist (Freelance possible)

Automotive Technical Trainer About the roleAs a Technical Trainer, you are responsible for designing and delivering high-quality technical training for dealer networks and internal teams.Your training supports correct vehicle maintenance, diagnosis an ...

Automation Engineer Pharma & GMP (Freelance mogelijk)

FunctieomschrijvingJouw rol als Automation Engineer in pharmaIn deze functie versterk je een vast automation engineering team binnen een farmaceutische omgeving. Je werkt mee aan projecten rond nieuwe equipment en aanpassingen aan bestaande procesinstallaties. Daarbij maak je ...

Consultant Change Manager Senior – Bruxelles (Freelance)

Consultant Change Manager Senior – Bruxelles (Freelance)🤝 Type de collaboration : Freelance🏡 Mode de travail : hybride🎓 Niveau : Senior / Consultant Expert (5–10+ ans)📍 Localisation : BruxellesAria Partner recherche un(e) Change Manager freela ...

Développeur Freelance Full Stack & Automatisation IA

Dans le cadre de notre développement, nous recherchons un(e) Développeur(se) Full-Stack & Automatisation IA freelance pour devenir notre partenaire technique sur des projets récurrents. Vous serez responsable de la conception et du développement des interfaces et automatisations utilisée ...

Lead Commissioning Manager GMP (Freelance kan)

FunctieomschrijvingJouw rol als Lead Commissioning ManagerAls Lead Commissioning Manager stuur je de volledige commissioningfase aan van een hoogtechnologische en sterk gereguleerde productiefaciliteit. Je zorgt ervoor dat gebouwsyst ...

Senior Change Management Consultant – Brussels (Freelance)

Senior Change Manager Consultant – Brussels (Freelance)🤝 Collaboration Type: Freelance🏡 Work Model: Hybrid🎓 Level: Senior / Expert Consultant (5–10+ years)📍 Location: BrusselsAria Partner is looking for an experienced freelance Change Manager ...

CSV Validation Engineer Pharma (Freelance kan)

FunctieomschrijvingJouw rol als CSV Validation EngineerAls CSV Validation Engineer sta je in voor het valideren van geautomatiseerde systemen binnen een farmaceutische omgeving, zodat ze voldoen aan alle kwaliteits- en compliancevereisten. Je draagt bij aan validatieprojecten voo ...

Freelance Project Manager Warehouse Brownfield Project

As a Freelance Project Manager Warehouse your responsibilities are:Participate in the final tender and negotiation phase to select and contract the warehouse partner in the Czech Republic.Define</stron ...

Freelance Evaluation Experts ΕU Projects (PRFEE0726)

PRIORITY Quality Consultants is expanding its network of Senior Freelance Evaluation Experts to support proposals and implementation of projects for the European Commission, EU Agencies, International Organisations and Public Authorities.We are looking ...

Qualification Engineer Pharma (Employed or freelance)

Functie omschrijvingWil je mee instaan voor de kwaliteit van systemen en processen binnen een farmaceutische omgeving? Voor een opdracht in Geel zoeken we een Qualification Engineer die het engineeringteam ondersteunt bij de kwalificatie van apparatu ...

Qualification & Quality Improvement Engineer (Freelance mogelijk)

FunctieomschrijvingWil jij bijdragen aan de kwaliteit van systemen en processen binnen een farmaceutische omgeving? Voor een opdracht in Geel zoeken we een Qualification Engineer die het engineeringteam ondersteunt bij de kwalificatie van equipment o ...

Senior Full Stack Java / Angular Freelance

Job descriptionDaily rate: 550 max About the opportunity We are looking for a Senior Full-Stack Java / Angular Developer to join a team of around 10 developers working on the design and development of a brand-new application.  ...

Spécialiste BI Confirmé Data & Cloud Freelance

Description du poste📍 Mission part-time (1 jour/semaine)📅 Durée : 12 moisVous participerez à la création de datawarehouses, au développement des flux ETL et à la mise en place de tableaux de bord permettant de transformer les données en information ...

Operational Risk & Safety Coach freelance opportunities

About dss+At dss+, you don’t just deliver projects - you help save lives, improve performance, and build a more sustainable future.We are a purpose-led global consultancy partnering with organisations in high-risk and asset-intensive industries to solve complex operational cha ...

SCADA Application Development Engineer (Freelance possible)

Tasks and responsibilitiesYou will join a development team responsible for maintaining and enhancing a business-critical SCADA environment that operates 24/7 and supports grid balancing activities across Belgium, France, Germany and the Netherlands. The scope continues to expand through the integrat ...

Consultant Change Manager Senior – Brussel (Freelance)

Senior Consultant Change Manager – Brussel (Freelance)🤝 Type samenwerking: Freelance🏡 Werkwijze: hybride🎓 Niveau: Senior / Expert Consultant (5–10+ jaar)📍 Locatie: BrusselAria Partner zoekt een ervaren freelance Change Manager om haar klanten ...

Qualification Engineer Pharma GMP (Freelance mogelijk)

Functieomschrijving Jouw baan als Qualification Engineer PharmaAls Qualification Engineer Pharma werk je in een technische omgeving waar kwalificatie, compliance en coördinatie centraal staan. Je maakt deel uit van een ervaren team van technische specialisten en ondersteunt de introductie va ...

Freelance Luxury Brand Evaluator Liege, BE

Join the global community that enhances and elevates the experience of the most prestigious luxury brands in the world! CXG, a leading customer experience agency servicing premium and luxury brands, is looking for mission-based Customer Experience Evaluators who are existing luxury brand customers.As a ...

Freelance HR Budget & Workforce Consultant

Key Responsibilities HR Budget Strategy & Personnel Cost ManagementDevelop and monitor HR budget strategies in alignment with organizational objectives.Analyze and forecast personnel costs.Support ...

Factory Lead Data Tribe Marché Freelance

Description du posteContexteNous recherchons un Factory Lead Data capable de piloter une Factory Data composée de Business Analysts et de Data Engineers. Le consultant sera responsable de la performance opérationnelle de la Factory, de l'exécution du delivery, de ...

[Staffing/Freelance] IT Infrastructure Project Manager

JOB DESCRIPTION Make an impact with NTT DATAJoin a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place ...

Functional Analyst Application Security (Freelance optional)

Tasks and responsibilitiesWe are looking for a motivated Junior Functional Security Analyst with a strong interest in new technologies and application security.You will work within a multidisciplinary team focused on strengthening application security in digital solutions. In ...

Freelance Building Maintenance & Facility Manager

Coordinate and supervise daily building maintenance operations, including preventive, corrective, and periodic maintenance activities.Manage and support a team of technicians and skilled workers while overseeing planning, workload allocation, and leave management.Follow up o ...

Project Manager (Permanent contract and Freelance)

Passionate about tech, digital, and innovation? Join the 1,800 employees at Smile, the European leader in open-source integration, spread across 20 agencies in 9 countries. Collaborative spirit and knowledge sharing are at the heart of our DNA. Our experts push the boundaries of open source every day to build ...

Belgium: System Administrator Medior Freelance (REF18)

The offered services consist of following subservices:The Corporate User provisioning service: retrieves data from HR authoritative sources and generates, based on them, identities that are stored and used in and by IT systemsThe CED (Commission Enterprise Directo ...

Scientist Analytische Ontwikkeling Pharma (Freelance mogelijk)

FunctieomschrijvingWil je meewerken aan de ontwikkeling van innovatieve geneesmiddelen die een verschil maken voor patiënten? Als Scientist Analytical Development draag je bij aan analytische ontwikkelingstrajecten voor nieuwe moleculen, van de vroege ontwikkelingsfase tot commercial ...

Bioanalytical Scientist LC MS (Freelance mogelijk)

FunctieomschrijvingJouw rol als Scientist BioanalysisWil je bijdragen aan de ontwikkeling van nieuwe geneesmiddelen in een innovatieve R&D-omgeving? In deze laboratoriumgerichte functie ondersteun je onderzoeksprojecten met geavanceerde bioanalytische analyses en methodes. Je ...

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    Pythonreact Developer Freelance Jobs in Belgium Job Search Guide, Trends and Insights