Staff Software Engineer (Java)

TL;DR

Staff Software Engineer (Java): Designing, implementing, and scaling backend systems for a global digital insights platform with an accent on high-throughput data processing and event-driven architecture. Focus on migrating to domain-based scalable architectures and optimizing performance-sensitive workflows.

Location: Remote (Spain)

Company

Global software leader in technology-enabled digital insights and research technology.

What you will do

• Design and maintain backend systems processing large volumes of data.
• Develop event-driven and API-based integrations.
• Contribute to migration efforts toward a more domain-based and scalable architecture.
• Build and optimize software for performance-sensitive workflows.
• Collaborate with data science and engineering teams on technical solutions.
• Mentor junior and mid-level engineers, dedicating approximately 20% of your time to influence and guidance.

Requirements

• 10+ years of backend software engineering experience with strong technical depth.
• Expertise in Java, algorithms, data structures, and Big O notation.
• Experience with Spark, Kafka, Delta Lake, Parquet, and Avro.
• Proficiency with Python and/or PySpark.
• Experience building complex, real-time, high-volume systems with high-throughput and low-latency.
• Knowledge of Docker, SQL, and NoSQL databases.

Nice to have

• Experience with AWS, GCP, or other cloud providers.
• Experience with Pandas.
• Experience with Spring framework and microservices.
• Experience working in large-scale data or analytics environments.

Culture & Benefits

• Collaborative and innovative work environment with a focus on diversity and inclusion.
• Recognized as one of Newsweek’s 2025 Global Top 100 Most Loved Workplaces®.
• Opportunity to work in an international team with a distributed global presence.
• High level of autonomy and freedom to innovate within the product development process.