Senior Scala Backend Engineer - Remote (Spain)

Intellias; España; Remote; EUR 70,000 - 110,000; Full time

Job summary

Intellias is partnering with a Fortune 100 Midwest-based industrial manufacturer to modernize cloud-based services and data products used globally. The role is remote from Spain, requiring a 6-hour overlap with US Central Time.

You will design, build, and deploy scalable backend services in production, leveraging Scala, Akka/Pekko, AWS, and event-driven architectures. The ideal candidate has 5+ years in Scala and distributed systems, 10+ years in software engineering, and strong PostgreSQL/SQL

Qualifications

• 5+ years of experience designing and maintaining backend services in production.
• 10+ years of software engineering experience, preferably Java.
• 5+ years of experience building distributed systems using Akka (Streams, Actors, HTTP, Persistence) or Apache Pekko.
• 5+ years of experience with AWS.
• Strong experience designing and operating event-driven distributed systems using Kafka, AWS Kinesis, or equivalent messaging platforms.
• Strong experience with functional programming concepts and libraries such as Cats, Cats Effect, or ZIO.
• Hands-on experience with Docker.
• Strong experience with PostgreSQL and SQL query development.
• Experience with CI/CD tools and automated deployment pipelines (GitHub Actions).
• Experience designing and operating event-driven architectures and stream-processing systems.
• Experience with microservice architectures.
• Experience working within Agile software development environments.
• Strong understanding of software architecture and solution design.
• Strong ownership mindset with the ability to independently drive complex technical initiatives.

Responsibilities

• Design, develop, and maintain scalable backend services using Scala.
• Build reliable event-processing, notification, and integration services.
• Develop APIs and distributed system components in highly available environments.
• Deliver scalable, fault-tolerant solutions that provide business value.
• Contribute to system architecture, technical design, and engineering decisions.
• Troubleshoot complex production issues and perform root-cause analysis.
• Support integration, acceptance, and quality assurance testing activities.
• Maintain high software quality through testing, reviews, documentation, and best practices.
• Mentor engineers and promote technical excellence within the team.
• Collaborate with cross-functional stakeholders in Agile environments.
• Own services throughout their lifecycle, from design and development to deployment and production support.

Skills

Scala

Java

Akka / Pekko

AWS

Kafka

AWS Kinesis

Functional programming

Cats / Cats Effect / ZIO

Docker

PostgreSQL

SQL

CI/CD / GitHub Actions

Event-driven architecture

Microservices

Agile

Software architecture

Ownership mindset

Tools

Docker

GitHub Actions

Job description

Intellias is partnering with a Fortune 100 Midwest-based industrial manufacturer to modernize cloud-based services and data products used globally. The role is remote from Spain, requiring a 6-hour overlap with US Central Time.

You will design, build, and deploy scalable backend services in production, leveraging Scala, Akka/Pekko, AWS, and event-driven architectures. The ideal candidate has 5+ years in Scala and distributed systems, 10+ years in software engineering, and strong PostgreSQL/SQL