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SiriusXM
Leonteq
Arteris
ITV
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Guardian
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IOHK
Coralogix
ZF
Riskified
Hypervolt
Paidy
Tiko
Writer
Commercetools
Ledger
CNH
SiriusXM
Leonteq
Arteris
ITV
Linklaters
ClearScore
Guardian
VakantieDiscounter
IOHK
184+
Verified Candidates
13+
Avg. Years Experience
Top Skills
Scala AWS Java Docker
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

LY-1002 Principal Recently added

Senior Data Engineer

United States
11 years
Remote
Employee / Freelancer

Architected and implemented end-to-end ETL pipelines in Scala and Python, handling petabyte-scale datasets in cloud environments. Spearheaded the development of a real-time analytics platform for IoT data, enhancing data throughput and processing speed.

  • Led migration of legacy systems to modern cloud infrastructures
  • Developed custom data serialization protocols in Go
  • Automated data workflows using advanced Bash scripting techniques
Python SQL Scala Bash Java Go
Interviewing now $120k-150k/yr
Enquire
EP-9902 Lead Recently added

Senior Engineer / Technical Lead

United Kingdom
20 years
Hybrid
Employee / Freelancer

Led the design and implementation of a distributed event streaming platform using Akka and Kafka. Spearheaded big data processing initiatives with Spark on AWS for analytics.

  • Developed large-scale data pipelines with Apache Spark
  • Managed team of engineers for complex system integrations
  • Optimized server-side rendering with Play Framework
Scala Akka Spark Play Kafka AWS
Available in 2 weeks Salary on request
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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NU-3141 Principal

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
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GP-5036 Principal

Data Engineer / Contractor

Poland
12 years
Hybrid
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
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SY-4641 Lead

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
UZ-8843 Lead

Senior Data Engineer

India
15 years
Remote
Employee

Designed and implemented robust data pipelines using PySpark and Scala for large-scale analytics. Developed and optimized Lakehouse and Medallion architectures to streamline data processing and storage. Spearheaded the migration of legacy data systems to cloud-based solutions, improving performance and scalability.

  • Built real-time data ingestion frameworks with Python and SQL
  • Engineered automated ETL processes for high-volume data environments
  • Enhanced data governance through advanced schema management techniques
Python SQL PySpark Scala Lakehouse architecture Medallion architecture
Available in 1 month €60k-80k/yr
Enquire
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
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NY-1981 Senior

Software Developer

Kyrgyzstan
8 years

Developed large-scale data processing systems using Scala and Python, optimizing real-time data ingestion pipelines for financial analytics. Engineered robust database solutions, focusing on high availability and fault tolerance for transactional systems.

  • Implemented distributed data storage solutions for big data projects
  • Optimized SQL queries for performance in high-volume environments
  • Designed scalable architectures for data-intensive applications
Linux Databases Big Data Scala SQL Python
Salary on request
Enquire
JG-2227 Lead

Lead Backend Engineer

France
12 years
Remote
Employee / Freelancer

Designed backend systems using Akka HTTP and Play Framework for high-load applications. Developed GraphQL interfaces to streamline data access across distributed services.

  • Implemented service mesh architecture for microservices
  • Enhanced data serialization techniques for better efficiency
  • Led backend modernization efforts with Scala and Java
Scala Java Akka HTTP Akka Streams Play Framework GraphQL
Available in 2 months €80k-95k/yr
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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
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SR-4290 Senior

Senior Software Engineer

7 years

Designed and implemented a high-availability API gateway using Scala and Golang. Developed complex data analytics applications leveraging PostgreSQL for multi-terabyte datasets. Contributed to the scalability of cloud-native applications with TypeScript.

  • Optimized query performance in PostgreSQL
  • Built microservices with Golang
  • Led API integration projects with TypeScript
Scala Java Python Golang TypeScript PostgreSQL
Salary on request
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
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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
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JF-8640 Lead

Software Architect

Canada
15 years
Flexible
Employee / Freelancer

Designed and implemented a high-performance distributed system for IoT data aggregation using Rust. Developed a cross-platform application in C++ for embedded systems. Architected a cloud-native infrastructure for machine learning pipelines in Python.

  • Led migration of legacy systems to modern architectures
  • Optimized runtime performance in compute-intensive applications
  • Implemented secure communication protocols for embedded devices
Rust Python Java Scala C C++
Available in 2 weeks Salary on request
Enquire

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