Hire Freelance
Scala Developers

Trusted by leading Scala companies
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
56+
Verified Candidates
14+
Avg. Years Experience
Top Skills
Scala Java Docker 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

SE-2900 Lead Recently added

Senior Scala Software Engineer

Poland
14 years
Remote
Employee / Freelancer

Built high-performance, fault-tolerant systems using functional programming principles. Led the design of streaming data platforms using Kafka and ZIO for real-time processing. Developed scalable solutions for complex data transformation pipelines.

  • Optimized functional algorithms for large-scale data processing
  • Integrated Cats Effect for enhanced concurrency control
  • Developed custom operators for stream processing with Kafka
Scala Functional Programming ZIO Cats Cats Effect Kafka
Available in 2 months Salary on request
Enquire
RD-1702 Principal Recently added

Senior Scala Software Engineer

Poland
19 years
Remote
Employee / Freelancer

Expert in functional programming paradigms using Cats Effect and ZIO. Developed high-performance systems using FS2 and Akka HTTP for real-time data processing. Specialized in building resilient and scalable web services.

  • Developed with Cats Effect and ZIO
  • Built systems with FS2 and Akka HTTP
  • Specialized in real-time data processing
Scala Functional programming Cats Effect ZIO FS2 Akka HTTP
Interviewing now Salary on request
Enquire
#HIRED Lead Recently hired

Lead Scala Engineer

Spain
6 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 Spark Flink Airflow GCP Python Delta Lake Docker
Hired Salary: $XXX,XXX
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JF-3412 Senior

Founding Scala Software Engineer

France
7 years
Employee / Freelancer

Co-founded a startup focusing on distributed systems and microservices with Scala. Designed APIs for scalable data-driven applications. Integrated complex SQL queries for data-intensive backend processes.

  • Co-founded startup in distributed systems
  • Designed scalable APIs
  • Integrated complex SQL queries
Python Scala SQL API Design Microservices Distributed Systems
Salary on request
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
NA-2110 Principal

Senior Software Engineer

Sweden
24 years
Flexible
Employee / Freelancer

Designed complex functional programming systems using Scala, Rust, and Haskell. Extensive experience in compiler design and formal verification using Lean 4.

  • Expert in functional programming languages
  • Experience in compiler design
  • Formal verification with Lean 4
Scala Rust F# Java Haskell Lean 4
Interviewing now €128-165/hr
Enquire
SH-1904 Principal

Senior Software Engineer

Netherlands
12 years
Flexible
Employee / Freelancer

Expert in designing distributed systems using Rust, Scala, and Golang. Implemented high-throughput data pipelines with Kafka and ClickHouse for real-time analytics.

  • Built scalable distributed systems
  • Implemented Kafka-based data pipelines
  • Optimized ClickHouse for analytics
Rust Scala Golang Kafka ClickHouse Distributed Systems
Available in 1 month Salary on request
Enquire
NS-5776 Senior

Project Lead

Switzerland
7 years
Flexible
Employee / Freelancer

Led projects focused on building scalable applications using Scala and Spring. Developed high-throughput messaging systems with Kafka and Redis.

  • Led scalable application projects
  • Developed high-throughput messaging systems
  • Focused on Kafka and Redis
Scala Java Spring MySQL Redis Kafka
Available in 3+ months €160k-195k/yr
Enquire
GB-1787 Lead

Software Engineer

Spain
18 years
Flexible
Employee / Freelancer

Designed microservices-based architectures using Scala and Akka. Extensive experience in building scalable backend solutions with Spring Boot.

  • Designed microservices-based architectures
  • Experienced with Spring Boot
  • Built scalable backend solutions
Scala Rust Akka Java Spring Boot Microservices
Interviewing now €80k-120k/yr
Enquire
CM-4307 Principal

Scala Software Engineer

Kazakhstan
20 years
Remote
Employee / Freelancer

Expert in functional programming with the Typelevel stack in Scala. Developed reactive systems using Cats-Effect and fs2 for high-throughput processing.

  • Developed with Typelevel stack
  • Built reactive systems with Cats-Effect
  • Optimized fs2 for processing
Scala C# Typelevel stack Cats Cats-Effect fs2
Available in 1 month $45-75/hr
Enquire
GN-1229 Lead

Senior Software Engineer

France
10 years
Remote
Freelancer

Led the development of a distributed event-driven architecture supporting millions of transactions per second. Specialized in building scalable microservices and real-time data processing systems. Extensive experience in optimizing JVM performance for high-throughput applications.

  • Architected event-driven systems for high concurrency
  • Optimized JVM for low-latency applications
  • Built scalable microservices handling millions of users
Java Scala Go Kotlin JavaScript TypeScript
Available in 2 weeks €120-150/hr
Enquire
AC-3134 Staff

Senior Scala & Big Data Software Engineer

Ukraine
8 years
Remote
Employee / Freelancer

Developed large-scale data processing systems using Scala and Spark. Specialized in building distributed systems for big data analytics.

  • Built distributed big data analytics systems
  • Specialized in Scala and Spark
  • Developed large-scale data processing systems
Scala JavaScript TypeScript Python Akka Spark
Interviewing now $68-83/hr
Enquire
SB-3635 Senior

Sr. Software Engineer (Scala/Rust)

India
8 years
Flexible
Employee / Freelancer

Developed high-throughput distributed systems in Rust and Scala, focusing on real-time data processing. Built scalable microservices architecture leveraging Actix Web and Tokio for concurrent processing. Extensive experience in performance optimization for low-latency applications.

  • Designed scalable microservices with Actix Web
  • Optimized low-latency systems using Rust
  • Implemented real-time data processing pipelines
Rust Scala Python Java Actix Web Tokio
Available in 2 months Salary on request
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
JR-7216 Principal

Software Developer

United Kingdom
25 years
Flexible
Employee / Freelancer

Engineered enterprise-level applications using Java and Spring Boot with a focus on transactional consistency. Developed complex UI components in React for dynamic web applications. Extensive experience with JPA for ORM solutions in large-scale systems.

  • Engineered Java-based enterprise applications
  • Developed React-based dynamic UIs
  • Implemented JPA for large-scale ORM
Java Scala JavaScript React JPA Spring Boot
Available in 2 weeks £95k-120k/yr
Enquire

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