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Backend Scala Developers in London

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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
4+
Verified Candidates
10+
Avg. Years Experience
Top Skills
Java Scala 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

PW-5286 Senior Recently added

Senior Software Engineer

United Kingdom
5-8 years
Flexible
Employee

Developed high-performance distributed systems for real-time financial data processing. Spearheaded the design of a low-latency trading platform utilizing Scala and Rust. Implemented scalable microservices architecture supporting millions of transactions per day.

  • Optimized SQL queries for sub-second data retrieval
  • Integrated Kotlin-based APIs with legacy Java systems
  • Led Rust adoption for concurrent data processing
  • Built Python tools for automated data validation
Kotlin Java Rust Scala SQL Python
Available in 1 month Salary on request
Enquire
JR-8143 Senior Recently added

Lead Software Engineer

United Kingdom
5-8 years
Flexible
Employee

Designed and implemented distributed systems for real-time data processing pipelines. Led the development of a microservices architecture for high-frequency trading applications. Optimized JVM performance for low-latency financial transaction systems.

  • Built a custom consensus protocol for distributed databases
  • Migrated monolithic applications to cloud-native infrastructure
  • Implemented a scalable event-sourcing framework
Software Development Scala Java Go C++ Haskell
Available in 3+ months £135k-160k/yr
Enquire
#HIRED Senior Recently hired

Staff Backend Developer

London
6 years
On-site
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 ZIO gRPC Redis Kubernetes Terraform PostgreSQL Docker
Hired Salary: $XXX,XXX
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WA-5634 Lead

Senior Engineer

United Kingdom
12+ years
Flexible
Employee / Freelancer

Specialized in concurrent and asynchronous programming using Rust and tokio. Developed scalable backend systems with Spring Boot and Scala. Implemented high-performance computing solutions for large-scale applications.

  • Specialized in Rust and tokio
  • Developed with Spring Boot and Scala
  • Implemented high-performance computing solutions
Rust tokio Java Spring Boot Scala cats
Available in 1 month £115k-130k/yr
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