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Scala Developers in United States

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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
35+
Verified Candidates
15+
Avg. Years Experience
Top Skills
Scala Docker AWS Java
Deep Scala Network

Built through years working with teams and engineers in the Scala ecosystem.

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We specialize in functional backend systems, data platforms, and distributed infrastructure.

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Focused, relevant introductions from a curated network.

Available Developers

KW-3297 Principal Recently added

Senior Backend Engineer

United States
22 years
Remote
Freelancer

Designed and implemented a distributed ledger system for financial transactions, optimizing consensus protocols for latency and throughput. Spearheaded the development of a real-time event processing pipeline, handling billions of messages per day with sub-second latency. Architected a microservices platform for a large-scale e-commerce application, focusing on scalability and fault tolerance.

  • Developed a custom RPC framework in Rust for microservices
  • Optimized JVM performance for high-frequency trading applications
  • Implemented a distributed caching system, reducing data retrieval time by 70%
  • Led migration of monolithic architecture to microservices, improving deployment speed
Rust Java Scala Apache Kafka gRPC TIBCO
Interviewing now $150-150/hr
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GH-2486 Principal Recently added

Founding Member & Systems Architect

United States
27 years
Remote
Employee / Freelancer

Architected large-scale, high-performance systems for financial transaction processing. Led the development of a fault-tolerant distributed ledger system. Designed and optimized complex database schemas for massive datasets.

  • Pioneered a real-time fraud detection system using machine learning
  • Integrated blockchain technology into existing financial platforms
  • Developed a custom consensus protocol for distributed databases
Scala Rust Java Python SQL Linux
Interviewing now $250k-265k/yr
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#HIRED Lead Recently hired

Staff Scala Developer

United States
8 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 Play Framework Kafka Docker Terraform Redis AWS Akka
Hired Salary: $XXX,XXX
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ES-7679 Mid-level

Backend Engineer

United States
4 years
Flexible
Employee / Freelancer

Developed distributed data processing systems leveraging Scala and Java, optimizing performance for real-time financial analytics. Integrated complex SQL queries into backend services to support dynamic reporting features in a high-traffic e-commerce platform. Implemented RESTful APIs using TypeScript to enhance interoperability across microservices.

  • Optimized database interactions for a 1TB daily transaction system.
  • Built event-driven architecture using Kafka for asynchronous processing.
  • Automated deployment pipelines with Bash for continuous integration.
  • Enhanced frontend-backend communication with WebSocket protocols.
Scala Java SQL TypeScript JavaScript Bash
Interviewing now Salary on request
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
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AR-1585 Principal

Senior Engineering Manager

United States
20 years
Remote
Employee / Freelancer

Led a team in building a reactive, event-driven architecture using Scala and ZIO to support millions of concurrent users in a streaming application. Developed a domain-specific language in OCaml for complex data transformation workflows.

  • Managed large-scale distributed systems in Java
  • Architected TypeScript frontend for user analytics
  • Implemented machine learning models for predictive insights
Scala Java OCaml Haskell TypeScript ZIO
Interviewing now $200k-250k/yr
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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
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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
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
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QV-6934 Principal

Principal Agentic AI & Lead Data Systems Architect

United States
16 years
Remote
Employee / Freelancer

Architected a multi-agent AI system that integrates generative AI with real-time data processing, optimizing decision-making workflows in complex environments. Spearheaded the development of a scalable graph-based reasoning engine utilizing GraphRAG and LangGraph, enhancing the efficiency of large-scale data analysis. Innovated a modular orchestration framework that leverages LangChain for seamless agent communication and coordination across distributed systems.

  • Designed VertexAI-powered pipelines for real-time data ingestion.
  • Implemented dynamic agent collaboration using custom orchestration protocols.
  • Optimized graph traversal algorithms for high-performance data querying.
  • Developed cross-platform AI models with robust fault tolerance.
Generative AI GraphRAG Multi-Agent Orchestration LangChain LangGraph VertexAI
Interviewing now $205k-220k/yr
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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
EF-5005 Lead

Senior Rust Engineer

United States
18 years
Remote
Employee / Freelancer

Designed and implemented a high-performance, low-latency trading platform using Rust, optimizing for concurrency and memory safety. Developed a distributed caching system in Go that significantly reduced data retrieval times for large-scale applications. Architected a real-time analytics engine utilizing Python and SQL to process and visualize terabytes of data daily.

  • Built a custom consensus protocol for distributed systems
  • Led migration of monolithic architecture to microservices in Typescript
  • Optimized C# backend systems for a 40% increase in throughput
  • Implemented CI/CD pipelines for automated deployments using Docker and Kubernetes
Python Go Typescript C# SQL Rust
Interviewing now $120k-140k/yr
Enquire
NH-1218 Senior

Senior Software Engineer

United States
8 years
Flexible
Employee / Freelancer

Developed high-frequency trading systems with sub-millisecond latency requirements. Architected distributed caching solutions handling petabyte-scale data for cloud-native applications. Designed real-time analytics platforms for processing financial market data.

  • Integrated C++ modules into legacy C# applications
  • Optimized Python scripts for data processing pipelines
  • Implemented microservices using Ruby for e-commerce platforms
C C++ C# Python Scala Ruby
Interviewing now Salary on request
Enquire
WH-5508 Lead

Senior Software Engineer

United States
10 years
Remote
Employee / Freelancer

Led the development of a distributed microservices architecture using Go and Rust, optimizing for high throughput and low latency in financial transaction systems. Spearheaded a project to refactor a legacy monolith into a scalable, cloud-native application using TypeScript and JavaScript.

  • Implemented real-time data pipelines in Python
  • Designed a fault-tolerant messaging system
  • Optimized Java-based backend for 10x speed improvement
Go Python Rust TypeScript JavaScript Java
Available in 2 weeks $120k-150k/yr
Enquire

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