More in details, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over 35,000 employees all over the world and presence in more than 35 countries. We are leaders on digital technology services, and we provide large-scale technologic solutions to big companies.
We are looking for a Senior Backend Spark Developer responsible for the design, development, and optimization of data processing solutions within the Client Contribution platform. You will play a key role in building scalable and high-performance Big Data pipelines while collaborating across multiple teams.
High English level is required.
Develop, maintain, and optimize Big Data pipelines
Ensure performance, scalability, and reliability of solutions
Minimum 5 years of experience with Apache Spark (Scala or Python)
Strong experience with Apache Spark (must-have)
Proficiency in Scala or Python
Solid SQL knowledge and data modelling skills




Experience with Azure Databricks and Hive
Experience working in CI/CD and DevOps environments (Git, GitHub, Sonar, Nexus)
Agile mindset and experience working in Agile environments
English level B2+ (minimum) and Spanish (at least C1+)
Experience with orchestration tools (Control-M, Airflow or similar)
Knowledge of Hadoop ecosystem
Interest or experience in AI technologies applied to data engineering, analytics, or automation
Experience with AI-assisted development tools or contributing to AI-driven data platforms
Numerous benefits (Health Care Plan, Internet Connectivity, Life and Accident Insurances)
~ Free access to several training platforms
~ Real Work Life Balance measures (flexibility, WFH or remote work policy, compacted hours during summertime…)
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📌 Senior Backend Spark Developer (Madrid)
🏢 UST España & Latam
📍 Madrid