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The grandparent of modern programming languages and still the backbone of performance-critical systems. If your data engineering involves crafting high-performance ETL pipelines, database engines, or wrangling embedded systems, C is the ultimate low-level power tool. It’s lean, fast, and gives you granular control over memory—perfect for squeezing every ounce of performance out of your hardware.
But let’s not romanticize it too much. C is also unforgiving: no hand-holding, no garbage collection, and a single misplaced pointer can cause catastrophic bugs or security nightmares. It’s not the go-to for most data engineering tasks these days (Python, Scala, or Go will get you there faster), but if you’re optimizing critical systems or working close to the metal, C remains unmatched. Use it wisely—like a scalpel, not a chainsaw.
Used together with C
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3471
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Jobs in using C for but please no
| C, Management, Data Analytics, Word, PowerPoint | |||
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ES | 2025-12-26
| EUR
28000 - 46000
This role with Swiss Re involves analyzing credit and surety portfolios to improve risk assessment and underwriting efficiency, with a notable differentiator being the integration of global market...
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Management, C, Microsoft, SQL, PySpark | ||
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promoted
O'Reilly: Building AI Agents with Model Context Protocol (MCP)Design and implement composable agent architectures using MCP. Understand the MCP architecture and how it enables AI applications to access external context. Build MCP servers that expose tools, resources, and prompts to LLMs. |
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| Analytics, SQL, DataViz, Tableau, Power BI, KPI, Management, C | |||
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ES | 2025-12-26
Diageo seeks a Senior Category Manager for Digital, Data and E‑Commerce within Global Procurement. The job is less about building data pipelines and more about steering value through strategy,...
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Marketing, Management, Analytics, KPI, CRM, CDP, C | ||
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data scientist
International Talent Acquisition / Recruitment Internship (Italian / Spanish / Polish / Arabic Speaker) @ signifycompany
ES | 2025-12-25
Signify’s recruitment internship in Madrid sits inside a carbon‑neutral, 30,000‑strong machine that treats hiring as a sustainability project rather than a pure tech role. You’ll translate...
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Data Analytics, AI/ML, Microsoft, C | ||
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data engineer
Senior React Native Mobile Developer @ dormakabaes
ES | 2025-12-24
A role that matters: React Native Mobile Developer building a cloud-connected, IoT-enabled smart access platform for residential buildings. The job foregrounds cross-platform mobile with native...
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React, Cloud Computing, IoT, Management, API, TypeScript, C, Java, Analytics, CI/CD, GitHub, Git, Jira, Confluence, Agile/Scrum | ||
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promoted
O'Reilly Power BI LearningMaster Power BI fast: build basic-to-advanced visuals, apply smart design, use dynamic slicers/filters & new cards, choose the right chart, spotlight key insights, brand and theme reports, and seamlessly publish/share in the Service. |
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data engineer
Desarrollador/a Full Stack @ kpmg-espana
ES | 2025-12-24
Senior Full Stack Developer at KPMG Lighthouse in Madrid, housed in a Data & Analytics center focused on AI and emerging tech. Requires 4+ years and a split stack: frontend with React, Angular or...
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Analytics, JavaScript, API, React, Python, Java, C | ||
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chief
Key Account Manager, Rhythm Management (Zona Centro) @ boston-scientific
ES | 2025-12-24
This Key Account Manager role in Madrid requires managing a small portfolio of Tier-1 accounts, building strategic relationships across clinical and administrative stakeholders. The position...
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Management, CRM, C | ||
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data scientist
AI Transformation Manager @ kpmg-espana
ES | 2025-12-21
An AI strategy leadership role at KPMG Lighthouse in Madrid, blending business vision with cutting-edge AI capability. The Manager of AI Strategy defines and accelerates client adoption of AI,...
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Analytics, AI/ML, KPI, Data Science, C, Cloud Computing |