Job Description
About the Role

We are looking for a

Senior Backend Spark Developer

to join the

Client Contribution Platform

team. In this role, you will be responsible for designing, developing, and optimizing large-scale data processing solutions while driving technical decisions and ensuring the scalability, reliability, and performance of the platform.

As a senior team member, you will play a key role in mentoring other developers, collaborating with cross-functional teams, and contributing to the continuous improvement of the platform and its architecture.

Key Responsibilities

Design, develop, and optimize scalable Big Data solutions using Apache Spark.

Lead technical decisions and contribute to the architecture of data processing solutions.

Develop, maintain, and optimize Big Data pipelines.

Support data integration initiatives across multiple systems and workstreams.

Ensure the performance, scalability, and reliability of data processing applications.

Troubleshoot and resolve complex technical and performance issues.





Collaborate with technical and functional stakeholders to define and implement solutions.

Promote Agile development practices and contribute to CI/CD and DevOps processes.

Mentor and support junior and mid-level developers, sharing best practices and technical knowledge.

Explore and promote the adoption of emerging technologies, including AI-assisted development and automation.

Qualifications
Required Skills & Experience

5+ years of hands‑on experience

developing Big Data solutions with

Apache Spark .

Strong experience programming in

Scala

(preferred) or

Python .

Solid SQL skills and experience with data modeling.

Experience working with Big Data platforms such as:

Azure Databricks

Apache Hive

or similar Spark-based environments.

Experience working in Agile environments and applying CI/CD and DevOps best practices.

Hands‑on experience with:

Git

GitHub

SonarQube

Nexus

Strong analytical and problem-solving skills

📌 Senior Backend Spark Developer (Madrid)
🏢 Talan Group
📍 Madrid