Hire Freelance
Backend Scala Developers in United States

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
12+
Verified Candidates
14+
Avg. Years Experience
Top Skills
Scala Python 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

QS-6406 Principal Recently added

Consulting Member of Technical Staff

United States
14 years
Remote
Employee / Freelancer

Architected distributed systems for large-scale event-driven applications in cloud environments, focusing on fault tolerance and resiliency. Led design and implementation of cost-efficient cloud-native solutions with high operational reliability.

  • Designed consensus protocols for distributed data consistency
  • Optimized cloud infrastructure for reduced latency and costs
  • Enhanced system observability and monitoring in production
Distributed Systems Architecture Event-Driven Systems Cloud-Native Design Fault Tolerance & Resiliency Cost Optimization Production Operations & Reliability
Interviewing now Salary on request
Enquire
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
Enquire
#HIRED Senior Recently hired

Staff Backend Developer

United States
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 Akka HTTP Kafka PostgreSQL AWS Docker Redis gRPC
Hired Salary: $XXX,XXX
See More
YP-5994 Lead

Lead Infrastructure Engineer

United States
16 years
Remote
Employee / Freelancer

Developed scalable distributed systems for high-traffic web applications, focusing on concurrency and API design. Architected infrastructure for large-scale deployment, optimizing JVM performance for real-time services.

  • Designed microservices architecture for cloud-native applications
  • Implemented fault-tolerant systems with Haskell
  • Optimized data throughput in multi-threaded environments
Scala JVM Haskell Concurrency Web services API design
Interviewing now $125k-200k/yr
Enquire
EE-6982 Lead

Solution Architect

United States
15 years
Remote
Employee / Freelancer

Architected enterprise-level solutions utilizing REST and SOAP services for seamless integration across legacy and modern systems. Designed and implemented cloud-native applications with an emphasis on scalability and maintainability. Pioneered the adoption of microservices in large-scale e-commerce platforms, enhancing modularity and system resilience.

  • Migrated monolithic applications to microservices architecture
  • Integrated cross-platform APIs for heterogeneous environments
  • Developed custom middleware solutions for data synchronization
Java Scala JavaScript Python REST SOAP
Interviewing now Salary on request
Enquire
WZ-9489 Lead

Software Engineer - Ads Platform

United States
19 years
Remote
Employee / Freelancer

Engineered high-availability ad serving systems with Scala, managing billions of ad impressions monthly. Spearheaded the integration of machine learning algorithms into ad targeting pipelines.

  • Automated deployment processes using Bash scripting
  • Developed Node.js utilities for real-time data processing
  • Optimized Ruby-based legacy systems for performance
  • Implemented real-time analytics dashboards with JavaScript
Scala Java JavaScript Node.js Ruby Bash
Available in 2 weeks $150k-200k/yr
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 1 month $160k-180k/yr
Enquire
AB-7765 Principal

Staff Software Engineer

United States
18 years
Flexible
Employee / Freelancer

Designed high-throughput event-driven systems using Akka and Apache Kafka for real-time data processing. Developed a distributed microservices architecture leveraging gRPC and ZIO for fault-tolerant applications. Spearheaded integration of change data capture with Debezium, enhancing data consistency across services.

  • Architected scalable event-driven systems with Akka and Kafka
  • Implemented microservices architecture using gRPC and ZIO
  • Integrated Debezium for change data capture
  • Optimized real-time data pipelines
ZIO Scala Akka Apache Kafka Debezium gRPC
Interviewing now Salary on request
Enquire
SZ-3540 Principal

Senior Software Developer

United States
20 years
Flexible
Employee / Freelancer

Designed and implemented distributed systems for processing financial transactions at scale, achieving sub-second latency. Developed a high-performance, event-driven architecture for a real-time bidding platform using Scala and Rust. Specialized in microservices architecture, optimizing service communication and resilience across multiple cloud environments.

  • Authored custom RPC framework for cross-language service calls
  • Implemented a domain-specific language for configuration management
  • Built a scalable RESTful API gateway in Kotlin
  • Optimized JVM performance for low-latency applications
Rust JavaScript TypeScript Java Scala Kotlin
Interviewing now $185k-225k/yr
Enquire
LY-1002 Principal

Senior Data Engineer

United States
11 years
Remote
Employee / Freelancer

Architected and implemented end-to-end ETL pipelines in Scala and Python, handling petabyte-scale datasets in cloud environments. Spearheaded the development of a real-time analytics platform for IoT data, enhancing data throughput and processing speed.

  • Led migration of legacy systems to modern cloud infrastructures
  • Developed custom data serialization protocols in Go
  • Automated data workflows using advanced Bash scripting techniques
Python SQL Scala Bash Java Go
Interviewing now $120k-150k/yr
Enquire
JW-3463 Staff

Principal Software Engineer

United States
8 years
Flexible
Employee / Freelancer

Architected cross-platform applications leveraging cloud infrastructure on AWS and Azure. Advanced expertise in systems design using C++, Scala, and Python.

  • Architected cross-platform applications
  • Expert in AWS and Azure cloud platforms
  • Advanced systems design with C++, Scala
Scala C++ Python JavaScript AWS Azure
Interviewing now Salary on request
Enquire
YX-8997 Principal

Founder

United States
20 years
Hybrid
Freelancer

Designed and implemented a distributed ledger system utilizing functional programming paradigms to ensure high fault tolerance and data consistency. Developed a real-time analytics platform processing millions of transactions per second with a focus on scalability and performance optimization. Spearheaded the creation of a domain-specific language in Unison for simplifying concurrent programming models.

  • Architected a cloud-native microservices platform using Scala and Haskell.
  • Optimized a Python-based data pipeline for 10x throughput improvement.
  • Led the development of a cross-platform application using Elm.
Unison Python Functional Programming Scala Haskell Elm
Interviewing now $188-375/hr
Enquire

Ready to hire Scala developers?

Start Hiring

Explore More