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Backend 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
56+
Verified Candidates
14+
Avg. Years Experience
Top Skills
Scala Kubernetes Docker Java
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

LR-7612 Lead Recently added

Sr. Software Engineer

United States
10 years
Remote
Employee / Freelancer

Designed full-stack applications with Go, Python, and Rust. Expert in building scalable backend systems and integrating TypeScript for frontend solutions.

  • Built full-stack applications
  • Integrated TypeScript in projects
  • Optimized Rust backend systems
Go Python Rust Scala JavaScript TypeScript
Interviewing now $130k-150k/yr
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JJ-2880 Senior Recently added

Senior Backend Engineer

Portugal
7 years
Remote
Employee / Freelancer

Developed backend systems with Rust and Go for high-performance computing. Expert in implementing cross-platform solutions with C++ and Python.

  • Built high-performance systems with Rust
  • Developed cross-platform solutions
  • Optimized C++ and Python applications
Rust Scala Go Java Python C++
Available in 2 weeks Salary on request
Enquire
#HIRED Lead Recently hired

Senior Scala Backend Engineer

Switzerland
7 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 ZIO gRPC Redis Kubernetes Terraform PostgreSQL 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
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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
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WM-9123 Principal

Backend/Data Engineering Consultant

Germany
14 years
Hybrid
Employee / Freelancer

Specialized in building real-time data pipelines using Kafka and Scala for analytics platforms. Implemented Kubernetes orchestration to streamline deployment of microservices for backend systems.

  • Built real-time data pipelines with Kafka
  • Implemented Kubernetes orchestration
  • Streamlined microservices deployment
Kotlin Kubernetes Kafka DBT AlloyDB Scala
Interviewing now €90k-110k/yr
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AU-2449 Lead

Senior Backend Engineer

Italy
11 years
Remote
Employee / Freelancer

Engineered backend services with a focus on microservices architecture using Golang and Java. Developed high-performance APIs with Gorilla Mux and Gin.

  • Engineered microservices architecture
  • Developed high-performance APIs
  • Focused on Golang and Java backend services
Golang Java Python Gorilla Mux Gin gRPC
Available in 1 month €75k-85k/yr
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TZ-2507 Principal

Backend Developer

Netherlands
24 years
Employee / Freelancer

Developed high-performance web applications using Perl with Apache and FastCGI. Expert in building robust backend systems with Catalyst and Moose for enterprise applications.

  • Built Perl-based web applications
  • Expert in Catalyst framework
  • Optimized FastCGI performance
Perl Apache FastCGI Moose DBI Catalyst
Interviewing now Salary on request
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AJ-9101 Lead

Technical Advisor

Mauritius
21 years
Remote
Employee / Freelancer

Guided development of large-scale AI systems utilizing LLMs and LangChain. Spearheaded prompt engineering techniques for improved AI model performance. Integrated complex machine learning models into interactive applications using Streamlit.

  • Led AI system development with LLMs
  • Pioneered prompt engineering techniques
  • Integrated ML models with Streamlit
Python LangChain Prompt Engineering LLMs Streamlit Java
Interviewing now Salary on request
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ZJ-1469 Principal

Senior Backend Software Engineer

Brazil
20 years
Remote
Employee / Freelancer

Designed and implemented a distributed query engine optimizing real-time data processing at petabyte scale. Spearheaded the development of a containerized microservices architecture using Golang and Docker, enhancing system resilience and scalability. Contributed to advancements in SQL-based analytics platforms, focusing on query optimization and execution efficiency.

  • Led migration to a cloud-native data pipeline using PySpark.
  • Architected multi-region failover strategies for data consistency.
  • Optimized Presto for low-latency analytics on heterogeneous data sources.
  • Developed custom plugins for extending SQL query capabilities.
Presto Software Development PySpark Golang SQL Docker
Available in 2 weeks $60k-72k/yr
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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
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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
FY-2242 Mid-level

Senior Software Engineer

Switzerland
4 years
Flexible
Employee / Freelancer

Specialized in building fault-tolerant microservices using Cats Effect and FS2 for streaming data applications. Developed scalable database solutions with Doobie, enhancing complex query performance and data consistency. Implemented JSON serialization/deserialization with Circe for seamless data interchange.

  • Leveraged Pekko for building distributed systems
  • Refactored legacy codebases to functional programming paradigms
  • Automated deployment pipelines using CI/CD tools
Scala Cats Effect FS2 Circe Doobie Pekko
Interviewing now Salary on request
Enquire
EG-4465 Lead

Lead Build and Release Engineer

United States
9 years
Flexible
Employee / Freelancer

Designed and implemented a scalable continuous integration pipeline for a microservices architecture, significantly reducing build times. Developed a domain-driven design framework for event-sourced systems, enhancing modularity and maintainability in large-scale enterprise applications. Spearheaded the adoption of CQRS patterns in a high-transaction financial platform, improving system throughput and consistency.

  • Optimized build processes with advanced caching strategies.
  • Integrated CI/CD tools with cross-platform deployment capabilities.
  • Automated release management for complex distributed systems.
  • Implemented real-time monitoring for build and release pipelines.
Agile software development OOP FP Domain Driven Design Event Sourcing CQRS
Available in 2 weeks $160k-200k/yr
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RD-1702 Principal

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
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