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Data Systems Scala Developers

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Coralogix
ZF
Riskified
Hypervolt
Paidy
Tiko
Writer
Commercetools
Ledger
CNH
SiriusXM
Leonteq
Arteris
ITV
Linklaters
ClearScore
Guardian
VakantieDiscounter
IOHK
Coralogix
ZF
Riskified
Hypervolt
Paidy
Tiko
Writer
Commercetools
Ledger
CNH
SiriusXM
Leonteq
Arteris
ITV
Linklaters
ClearScore
Guardian
VakantieDiscounter
IOHK
83+
Verified Candidates
12+
Avg. Years Experience
Top Skills
Scala Java AWS Kafka
Deep Scala Network

Built through years working with teams and engineers in the Scala ecosystem.

Deep Technical Focus

We specialize in functional backend systems, data platforms, and distributed infrastructure.

Signal Over Volume

Focused, relevant introductions from a curated network.

Available Developers

NU-3141 Principal Recently added

Staff Data Engineer

Germany
12 years
Flexible
Employee / Freelancer

Architected large-scale data pipelines using Apache Spark and Scala, optimizing for real-time analytics in the e-commerce domain. Spearheaded the migration of data infrastructure to Databricks, enhancing processing speed and reliability. Developed a custom data validation framework in Python, ensuring data integrity across distributed systems.

  • Implemented Rust-based data transformation tools for performance gains
  • Designed SQL-based ETL workflows for complex data models
  • Automated data quality checks using custom-built Python scripts
Scala Python Rust SQL Apache Spark Databricks
Interviewing now Salary on request
Enquire
SY-4641 Lead Recently added

Scala Engineer / Tech Lead

United Kingdom
14 years
Flexible
Employee / Freelancer

Led development of distributed systems using Scala and Spark. Implemented event-driven architectures with Kafka and AWS.

  • Leveraged ZIO for asynchronous processing
  • Optimized data transformation jobs in Spark
  • Designed scalable cloud infrastructure solutions
Scala ZIO Kafka Spark AWS Cats
Available in 1 month £90k-120k/yr
Enquire
#HIRED Lead Recently hired

Senior Data Engineer

Germany
12 years
Hybrid
Employee
Experienced software engineer with strong background in distributed systems and cloud-native architecture. Proven track record delivering production systems at scale. Skilled in designing fault-tolerant services, optimising CI/CD pipelines, and mentoring junior developers across cross-functional teams.
  • Led migration of monolithic system to microservices architecture
  • Built high-throughput data pipeline processing 1M+ events per second
  • Designed and implemented real-time monitoring and alerting platform
Scala Flink Airflow Iceberg GCP Docker Spark Kubernetes
Hired Salary: $XXX,XXX
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ET-4010 Principal

Founding Database Engineer

Germany
20 years
Flexible
Employee / Freelancer

Pioneered database internals and distributed systems design. Advanced knowledge in operations and systems design using AWS.

  • Pioneered database internals
  • Expert in distributed systems design
  • Advanced AWS operations knowledge
Distributed Systems Database Internals Systems Design Operations AWS Java
Available in 2 weeks €120k-160k/yr
Enquire
GP-5036 Principal

Data Engineer / Contractor

Poland
12 years
Flexible
Freelancer

Specialized in building data pipelines using Scala and Java for large-scale ETL processes. Designed graph database solutions using Cypher and CQL to improve data retrieval efficiency.

  • Automated data processing workflows with Groovy
  • Enhanced data integration using Python scripts
  • Implemented graph algorithms for advanced data insights
Scala Java Python Groovy Cypher CQL
Available in 2 weeks Salary on request
Enquire
JX-8662 Principal

Senior Data Architect

India
12 years
Remote
Employee / Freelancer

Led the design of data lake architectures using Delta Lake and Databricks to support high-volume, real-time analytics. Developed robust ETL pipelines with Spark and PySpark to ensure data quality and consistency across distributed systems. Migrated legacy data warehouses to Snowflake, optimizing query performance and storage costs.

  • Architected scalable data models for predictive analytics
  • Integrated machine learning workflows with Databricks
  • Automated data lineage tracking with custom DLT solutions
  • Enhanced data governance with role-based access controls
Databricks Delta Lake DLT Spark PySpark Snowflake
Interviewing now $70k-80k/yr
Enquire
WV-6401 Senior

Senior Data Engineer

United Kingdom
9 years
Hybrid
Employee / Freelancer

Engineered large-scale data processing systems using Spark and Scala for big data analytics. Optimized storage solutions with Apache Iceberg to enhance query performance.

  • Engineered large-scale data processing systems
  • Optimized storage with Apache Iceberg
  • Enhanced query performance in big data analytics
Spark Scala Oracle Hive Apache Iceberg Amazon S3
Available in 1 month £100k-120k/yr
Enquire
NK-7708 Senior

Senior Software Engineer

Netherlands
9 years
Flexible
Employee / Freelancer

Designed and implemented scalable distributed systems utilizing Rust for high-throughput data processing. Developed AI/ML models for predictive analytics in real-time applications, focusing on system performance optimization.

  • Architected microservices with domain-driven design principles
  • Led system analysis for cross-platform integration
  • Optimized distributed systems for latency reduction
System Analysis Application Architecture Domain Driven Design AI/ML Distributed Systems Rust
Available in 1 month €100k-120k/yr
Enquire
JR-5022 Lead

Full-stack Developer with Java JavaScript Rust and Big Data Architect

China
10 years
Remote
Employee / Freelancer

Built and optimized big data processing frameworks using Apache Hadoop, Spark, and Flink. Developed real-time data ingestion systems with Apache Flume, focusing on data transformation and stream processing.

  • Designed Spring Boot microservices for data-driven applications
  • Integrated Rust for performance-critical components
  • Enhanced data pipeline efficiency using Flink
Apache Hadoop Apache Spark Apache Flink Apache Flume Spring Boot Rust
Interviewing now $110k-150k/yr
Enquire
NQ-4423 Senior

Scala Developer

Poland
6 years
Flexible
Employee / Freelancer

Specializes in building resilient real-time data pipelines using Scala and Spark, deployed on AWS infrastructure. Developed distributed systems leveraging ZIO for fault tolerance and concurrency management in cloud environments.

  • Architected real-time data pipelines on AWS
  • Implemented distributed systems with ZIO
  • Optimized Spark jobs for large-scale data processing
Scala ZIO DPL Spark Pipelines AWS
Available in 2 weeks Salary on request
Enquire
AU-2449 Lead

Senior Backend Engineer

Italy
11 years
Remote
Employee / Freelancer

Engineered backend services with a focus on microservices architecture using Golang and Java. Developed high-performance APIs with Gorilla Mux and Gin.

  • Engineered microservices architecture
  • Developed high-performance APIs
  • Focused on Golang and Java backend services
Golang Java Python Gorilla Mux Gin gRPC
Available in 1 month €75k-85k/yr
Enquire
ST-6557 Lead

Scala Backend Engineer, Consultant

Sweden
10 years
Flexible
Employee / Freelancer

Designed and implemented distributed backend systems for cloud platforms using Scala and Java. Specialized in optimizing real-time data processing pipelines on AWS and GCP.

  • Built scalable cloud services on AWS and GCP
  • Optimized real-time data processing pipelines
  • Designed distributed backend systems
Scala Java Kotlin Python GCP AWS
Interviewing now Salary on request
Enquire
WZ-8691 Staff

Staff Software Engineer

France
9 years
Flexible
Employee / Freelancer

Led the development of RESTful services using Scala and Http4s, focusing on high concurrency. Implemented reactive systems with FS2 to handle streaming data efficiently. Developed APIs with Circe for JSON handling in distributed environments.

  • Integrated Cats for functional programming enhancements
  • Designed scalable microservices architecture with Go
  • Implemented custom serialization with Circe
Scala Http4s Cats FS2 Circe Go
Interviewing now €90k-110k/yr
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AB-8227 Principal

Solution Architect

Canada
23 years
Flexible
Employee / Freelancer

Architected advanced AI/ML pipelines for predictive analytics using Databricks and Snowflake. Optimized data architecture to support large-scale data processing and storage.

  • Architected AI/ML pipelines for predictive analytics
  • Optimized data architecture
  • Supported large-scale data processing and storage
AI/ML Data Architecture Databricks Snowflake DBT ClickHouse
Available in 2 weeks $160k-180k/yr
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MX-9522 Lead

Lead Backend Developer

Canada
8 years
Remote
Employee / Freelancer

Led the development of backend systems leveraging Play and Akka frameworks for scalable web applications. Streamlined server-side logic in Scala to support high concurrency environments.

  • Integrated reactive programming models for improved performance
  • Designed RESTful APIs with Spring and Kotlin
  • Optimized JVM performance for low-latency operations
Scala Java Kotlin Play Akka Spring
Available in 2 weeks Salary on request
Enquire

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