Java Spark Developer - Remote with Quant & Data Focus

Talan; Málaga; Remote; EUR 60,000 - 90,000; Full time

Benefits offered by this job

100% Remote

Training & career development

International projects

Job summary

Talan Spain is seeking a skilled Java-focused Quant Developer for a 100% remote role. You will improve batch performance, integrate quant libraries, and maintain code quality with tests and security fixes while keeping the CI pipeline green.

Collaboration with Quants, Data and the IMM team is essential to deliver reliable, scalable analytics solutions. Experience in numerical computing, Spark and Parquet, and strong English (B2/C1) are required.

Qualifications

• Strong Java experience with performance, memory and multithreading considerations.
• Numerical computing and heavy calculations with parallel processing capability.
• Build & test tools: JUnit, Git, CI/CD; data tooling: Spark and Parquet.
• Proficient English level: B2/C1.

Responsibilities

• Improve performance so the daily batch runs on time.
• Integrate the quant libraries.
• Keep quality high — write tests, fix security findings, keep the CI pipeline green.
• Work closely with Quants, Data, and the IMM team.

Skills

Strong Java

Numerical computing

English (B2/C1)

Tools

JUnit

Git

CI/CD

Spark

Parquet

Job description

Talan Spain is seeking a skilled Java-focused Quant Developer for a 100% remote role. You will improve batch performance, integrate quant libraries, and maintain code quality with tests and security fixes while keeping the CI pipeline green.

Collaboration with Quants, Data and the IMM team is essential to deliver reliable, scalable analytics solutions. Experience in numerical computing, Spark and Parquet, and strong English (B2/C1) are required.