Find your next tech and IT Job or contract Big Data

What you need to know about Big Data

Big Data refers to the massive and complex data generated at high speed by various sources, such as social networks, IoT sensors, online transactions, or mobile applications. This data, often voluminous, heterogeneous, and continuously growing, exceeds the capabilities of traditional management and analysis tools. Big Data relies on the 3Vs: Volume (quantity of data), Velocity (speed of generation and processing), and Variety (diversity of formats, structured or not). It is often associated with a fourth V: Veracity (data reliability). Big Data technologies, such as Hadoop, Spark, or NoSQL, enable storing, processing, and analyzing this data to extract valuable insights. These analyses are used in various fields, such as personalized marketing, finance, healthcare, or industrial optimization. Big Data plays a key role in innovation, decision-making, and digital transformation of businesses.

Your search returns 115 results.
Permanent

Job Vacancy
Site Reliability Engineers (DV Security Clearance)

CGI
Published on

Gloucester, England, United Kingdom
CGI was recognised in the Sunday Times Best Places to Work List 2025 and named one of the World’s Best Employers by Forbes. We offer a competitive salary, excellent pension, private healthcare, and a share scheme (3.5% + 3.5% matching), making you a CGI Partner rather than just an employee. We are committed to inclusivity and building a genuinely diverse community of technology professionals. CGI’s Space, Defence and Intelligence business unit delivers innovative, mission-critical solutions to some of the UK government’s most complex and challenging problems. We design, build, and operate bespoke, secure systems that help keep the nation safe and secure. Our work spans cloud, on-prem, and hybrid environments, underpinned by strong cyber and engineering best practices. We are seeking experienced Site Reliability Engineers to join our cross-functional teams supporting secure, cloud-based and big-data platforms. Working closely with clients and internal delivery teams, you will help design, build, operate, and continuously improve highly reliable, scalable systems within a secure environment. Due to the nature of the work, this role requires onsite attendance and applicants must be solely UK Nationals (not dual nationals and not visa holders) with existing HMG DV / HLC clearance.
Contractor
Permanent

Job Vacancy
Data Engineer Azure

VISIAN
Published on
API REST
Azure
Azure DevOps Services

1 year
Ile-de-France, France
La Direction des Systèmes d'Information recrute un Data Engineer pour concevoir, développer et maintenir les architectures Data nécessaires à l'exploitation des données par les analystes métiers et data scientists. Vos principales missions consisteront à : - Mener les projets d'intégration (temps réel) et data (big data & insights) - Comprendre, analyser et proposer des solutions techniques répondant aux besoins des divers acteurs de la donnée (spécialistes métier, domain managers, architecte, data analystes et scientists) - Apporter un éclairage technique sur les architectures Cloud, dialoguer avec les fournisseurs de solutions et les consultants techniques - Dans une logique de mise en production, créer et déployer des pipelines de données robustes pour les data scientists et data analysts (collecte, stockage, transformation et exploitation) - Assurer une bonne qualité des données pour les projets Machine Learning (préparation, complétude, épuration, enrichissement) dans le but d'optimiser les performances des modèles - Améliorer les processus internes : localisation et traçabilité de la donnée, standardisation des flux et des scripts de traitement des données, documentation - Collaborer avec les équipes basées aux Pays-Bas pour faciliter le Data-Sharing, échanger sur les best-practices et les moyens d'optimiser les architectures - Contribuer à l'amélioration de la gouvernance sur la protection et la confidentialité des données Toute activité en dehors de celles énumérées au titre des fonctions principales pourra être confiée au collaborateur dans le cadre de son activité en fonction de son évolution au sein du service et des besoins de l'entreprise.
Contractor
Permanent

Job Vacancy
Lead Data Engineer GCP

ATOS
Published on
Google Cloud Platform (GCP)

1 year
Saint-Denis, Ile-de-France
🧾 Lead Data Engineer GCP – Migration Hadoop → GCP🎯 Contexte Dans le cadre de la modernisation de la plateforme Data , le client engage une migration d’un environnement Hadoop on-premise vers GCP . L’équipe existante (≈6 ingénieurs GCP) nécessite un référent technique senior pour structurer et sécuriser la migration. 🧩 Rôle👉 Référent technique de la migration Data Définir la stratégie de migration Hadoop → GCP Analyser les workloads existants (Hive, Spark, batch/stream) Orienter les choix techniques (BigQuery, Dataflow, Dataproc, GCS) 👉 Leadership technique Encadrer et accompagner les ingénieurs GCP Challenger les choix d’implémentation Mettre en place les bonnes pratiques (data engineering, CI/CD, infra as code) 👉 Contribution opérationnelle Participer à la migration des pipelines (Spark → GCP) Optimiser performance et coûts Industrialiser les flux data 🧠 Profil recherchéCompétences clés Expertise GCP Data (BigQuery, Dataflow, GCS…) Solide expérience Hadoop / Big Data Maîtrise Data Engineering (Spark, SQL, Python) Bon niveau en architecture data & cloud Expérience Migration Hadoop → Cloud (idéalement GCP) Rôle de lead technique / référent Contexte grands comptes / environnements complexes ✅ Livrables Stratégie de migration Architecture cible data Standards & bonnes pratiques Contribution aux pipelines migrés ⚠️ Enjeux clés Performance & coûts (FinOps) Qualité & gouvernance de la donnée Coexistence temporaire Hadoop / GCP 🏷️ Positionnement 👉 Lead Data Engineer GCP (orienté architecture) 👉 Profil hybride : hands-on + vision stratégique

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Contract roles and jobs for Big Data

Data Scientist

The Data Scientist uses Big Data tools and techniques to analyze large datasets, develop predictive models, and extract useful insights from complex data.

Data Developer (BI / Big Data / Data Engineer)

The Data Developer (Decision Support / BI / Big Data / Data Engineer) designs and develops Big Data solutions to store, process, and analyze large amounts of data from various sources.

Architecture Consultant

The Architecture Consultant advises businesses on Big Data architecture, designing solutions to manage and analyze large data quantities while optimizing performance and scalability.

Data Analyst

The Data Analyst uses Big Data techniques to collect, analyze, and interpret complex data to provide insights and recommendations that help businesses make informed decisions.

115 results

Contracts

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£150 £1300 and more

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£20k £250k

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0-2 years experience 3 to 5 years experience 6 to 10 years experience +10 years experience

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