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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
185+
Verified Candidates
13+
Avg. Years Experience
Top Skills
Scala Java Kubernetes 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

WF-4947 Principal Recently added

Senior Scala Developer

Poland
13 years
Remote
Employee / Freelancer

Built scalable microservices with Play Framework and Slick for data-intensive applications. Designed robust messaging solutions using RabbitMQ for asynchronous processing. Engineered efficient database schemas and optimized queries in PostgreSQL.

  • Developed real-time analytics using Kafka and Scala
  • Implemented caching strategies to improve system responsiveness
  • Conducted load testing to ensure system scalability
Scala Java Play Framework Slick PostgreSQL RabbitMQ
Interviewing now €80k-90k/yr
Enquire
EH-3800 Principal Recently added

Senior Scala Developer

Netherlands
19 years
Flexible
Employee / Freelancer

Built distributed microservices architecture handling millions of requests per second. Architected real-time data processing pipelines using Akka and Kafka for high-throughput applications. Designed and deployed scalable cloud infrastructure on AWS for global reach applications.

  • Implemented event-driven systems with Akka Streams
  • Optimized JVM performance for large-scale enterprise applications
  • Developed multi-region failover strategies on AWS
Scala Java Python Akka Kafka AWS
Interviewing now €50k-80k/yr
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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SE-2900 Lead

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
WR-6236 Lead

Senior Scala Lead Developer

United Kingdom
12 years
Remote
Employee / Freelancer

Pioneered cloud migration strategies leveraging Amazon Cloud services and Apache Kafka. Developed streaming solutions with Akka HTTP and Akka Streams for IoT data.

  • Optimized Spark workloads for cost-effective cloud usage
  • Led agile teams through complex project lifecycles
  • Standardized API development for cross-platform compatibility
Agile Methodologies Akka HTTP Akka Streams Amazon Cloud Apache Kafka Apache Spark
Interviewing now £85k-100k/yr
Enquire
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
SS-9357 Senior

Scala Backend Developer

France
8 years
Remote
Employee

Specializes in building scalable backend services with Scala and Kafka. Developed fault-tolerant systems using Play Framework and http4s.

  • Integrated Cats Effect for functional programming paradigms
  • Optimized message processing with Kafka Streams
  • Designed microservices architecture for high availability
Scala Play Kafka Play Framework Cats Effect http4s
Interviewing now Salary on request
Enquire
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
JJ-4512 Principal

Senior Software Engineer

Netherlands
16 years
Flexible
Freelancer

Designed high-throughput financial trading systems handling millions of transactions per second. Developed a distributed microservices architecture for a cloud-based logistics platform. Implemented a custom Terraform provider for seamless infrastructure provisioning.

  • Optimized JVM performance for latency-critical applications
  • Built scalable REST APIs with Kotlin and Spring Boot
  • Devised a CI/CD pipeline using Jenkins and Kubernetes
Scala Kotlin Java Typescript Terraform Bash
Available in 1 month €95-110/hr
Enquire
JS-8893 Principal

Senior Backend Engineer

Finland
15 years
Flexible
Employee / Freelancer

Architected a high-throughput messaging platform using Kafka and PostgreSQL for financial transactions. Led the backend development of a scalable microservices architecture in Elixir and Scala.

  • Implemented distributed database systems for high availability
  • Optimized real-time data processing pipelines
  • Designed RESTful APIs for fintech applications
Scala Java Elixir Python Kafka PostgreSQL
Available in 2 weeks €70k-80k/yr
Enquire
AD-5785 Senior

Fullstack Senior Engineer

Germany
7 years
Remote
Employee

Developed a high-performance distributed data processing system using Scala and Rust, optimizing for low-latency operations in financial analytics. Engineered a real-time streaming platform integrating React and Python for dynamic data visualization in IoT applications.

  • Implemented microservices architecture with Java for scalable web applications
  • Built a custom data serialization protocol for cross-platform data exchange
  • Enhanced a legacy JavaScript codebase to improve load times by 40%
Scala Rust React Java Python JavaScript
Available in 3+ months €80k-90k/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
GB-1787 Lead

Software Engineer

Spain
19 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 Java Rust Akka Microservices Event Sourcing
Interviewing now €80k-120k/yr
Enquire
SW-7959 Lead

VP Engineering

Spain
16 years
Flexible
Employee

Led the development of secure NFC payment systems using NXP DESFire and GlobalPlatform standards. Spearheaded the integration of NFC technology into large-scale public transportation systems, ensuring reliability and scalability. Architected complex systems for secure digital identity management, leveraging advanced cryptographic protocols.

  • Optimized NXP LoaderService for high-throughput environments
  • Implemented Agile methodologies to enhance engineering team productivity
  • Pioneered NFC-based access control systems for smart cities
Scala NFC GlobalPlatform NXP DESFire NXP LoaderService Agile
Available in 1 month €70k-80k/yr
Enquire
AN-9812 Principal

Senior Developer

Germany
24 years
Remote
Employee / Freelancer

Designed and implemented a high-performance distributed system for real-time financial data processing, handling millions of transactions per second. Developed a fault-tolerant, scalable microservices architecture for a global e-commerce platform, optimizing for low-latency and high availability. Led the migration of a monolithic application to a cloud-native architecture, significantly improving deployment speed and resource efficiency.

  • Expert in concurrency models and parallel processing techniques
  • Architected a custom DSL for financial analytics
  • Implemented a dynamic load-balancing algorithm for distributed systems
  • Optimized JVM-based applications for memory and CPU efficiency
Scala Scala3 Haskell Java Python C++
Available in 3+ months €85k-90k/yr
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