The median Scala Developer salary in United Kingdom is £105K in 2026, with a typical range from £105K to £105K. Year-on-year movement is still building as more matched salary data is published. United Kingdom currently leads city pay at £105K.
What does A Scala Developer do?
A Scala Developer is responsible for designing and building high-throughput data processing systems, distributed applications, and streaming services using Scala, Apache Spark, and Kafka for fintech and data platform companies.
Day-to-day responsibilities
- Writing Scala code for data pipelines and distributed systems
- Building Apache Spark batch and streaming jobs
- Designing functional programming patterns with Cats Effect and ZIO
- Optimising JVM application performance
- Reviewing code and setting engineering standards
- Collaborating with data engineers and data scientists on pipeline design
High demand+24% Apache Spark Scala+18% functional programming Scala+20% Apache Kafka