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Backend Scala Developers in Spain

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
8+
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

GB-1787 Lead Recently added

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
NF-3229 Lead Recently added

Senior Software Engineer

Spain
20 years
Remote
Employee

Led the development of a scalable microservices architecture in Java and Spring for e-commerce platforms. Architected NoSQL database solutions to support high-volume transactional systems.

  • Developed scalable microservices architecture
  • Architected NoSQL database solutions
  • Supported high-volume transactional systems
Java Spring SQL NoSQL SOLID Functional Programming
Interviewing now €45k-55k/yr
Enquire
#HIRED Lead Recently hired

Senior Scala Backend Engineer

Spain
10 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 Akka HTTP Kafka PostgreSQL AWS Docker Redis gRPC
Hired Salary: $XXX,XXX
See More
UV-9501 Lead

Lead Software Engineer

Spain
13 years
Remote
Employee / Freelancer

Designed and implemented a large-scale event-driven architecture for IoT data ingestion using Scala and Akka. Specialized in building concurrency models with Rust to support multi-threaded processing in high-load environments. Spearheaded the development of a real-time monitoring system for SQL databases, enhancing query performance by 30%.

  • Developed a distributed logging system using Actix and Rust.
  • Integrated TypeScript-based UI with backend services for seamless data flow.
  • Led migration of legacy systems to cloud infrastructure, improving resilience.
Rust Scala SQL TypeScript Tokio Actix
Available in 1 month Salary on request
Enquire
ZR-5418 Mid-level

Experienced Technician

Spain
4 years
Remote
Employee

Designed and implemented distributed data processing systems using the Apache Spark framework, optimizing performance for large-scale data transformations. Developed real-time event-driven applications leveraging the Pekko/Akka ecosystem to enhance responsiveness and scalability in high-throughput environments.

  • Built ETL pipelines for financial data analysis
  • Integrated Scala with legacy Java systems for seamless interoperability
  • Optimized SQL queries for improved database performance
  • Implemented functional programming principles to reduce system complexity
Scala Java SQL Functional programming Pekko/Akka ecosystem Apache Spark
Available in 1 month Salary on request
Enquire
NE-1336 Principal

Software Engineer

Spain
25 years
Remote
Employee / Freelancer

Pioneered distributed systems architecture, focusing on Kubernetes orchestration and Rust for high-performance computing. Led initiatives in developing and scaling cloud-native applications with extensive use of Scala and Python.

  • Developed custom Kubernetes operators
  • Optimized JVM performance for large-scale applications
  • Engineered real-time analytics platforms using JavaScript
Rust Python Java Scala JavaScript Kubernetes
Available in 1 month $180k-200k/yr
Enquire
EN-3142 Mid-level

Ingeniero Full Stack

Spain
5 years
Remote
Employee / Freelancer

Built a full-stack web application using Scala and TypeScript, focusing on seamless user experience. Developed a real-time notification system using Rust for high-frequency trading platforms. Created a data visualization dashboard with Haskell for complex datasets.

  • Integrated microservices with message brokers for asynchronous processing
  • Utilized Python for backend data processing tasks
  • Implemented end-to-end testing frameworks for web applications
Java TypeScript Rust Haskell Scala Python
Interviewing now Salary on request
Enquire
JH-6709 Mid-level

Senior Big Data Engineer

Spain
5 years
Flexible
Employee / Freelancer

Engineered large-scale data processing workflows with Apache Spark, optimizing ETL operations. Developed data warehousing solutions using Hive for efficient querying and reporting. Managed Hadoop clusters, ensuring high availability and fault tolerance.

  • Implemented real-time analytics using Spark Streaming
  • Enhanced SQL query performance with custom indexing
  • Automated data pipeline monitoring and alerts
Scala Python SQL Apache Spark Hadoop Hive
Available in 2 weeks Salary on request
Enquire

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