Senior Scala Engineer - Hybrid, Public Sector Impact

Capgemini; Telford; Hybrid; GBP 75,000 - 110,000; Full time

Benefits offered by this job

Learning & development

Security clearance support

Job summary

Capgemini in the UK is recruiting Senior and Lead Scala Engineers to deliver critical digital services for public sector projects. The role requires designing scalable Scala architectures, mentoring engineers, and shaping technical strategy within an Agile environment.

You will work in a hybrid model with office, client site, and home-based elements. Security clearance (SC) is a requirement for successful applicants.

Qualifications

• Strong professional experience with Scala and functional programming.
• Experience designing and consuming REST APIs; JSON validation/serialisation using Play JSON or Circe.
• Relational databases such as PostgreSQL and NoSQL databases such as MongoDB.
• Writing unit and integration tests using ScalaTest, Specs2 and Mockito while following TDD/BDD.
• Familiarity with SBT for build/CI/CD automation and Git with branching strategies.
• Solid understanding of web/HTTP, web security best practices, and performance considerations.
• Familiarity with cloud-based infrastructure, CI/CD pipelines, and containerisation.

Responsibilities

• Develop and maintain Scala services using frameworks such as Play, Akka, and modern functional programming approaches.
• Design, build, and optimise microservices for performance, scalability, resilience, and reliability.
• Write high-quality, testable code using TDD/BDD and automated testing frameworks.
• Support build, deployment, and release processes using SBT, CI/CD pipelines, Docker, and Kubernetes.
• Collaborate with architects, engineers, product teams, and stakeholders to deliver solutions aligned to business needs.
• Mentor and coach engineers, promoting Scala best practices and supporting technical development across the team.
• Contribute to operational excellence through monitoring, troubleshooting, and continuous improvement activities.

Skills

Scala & FP

REST APIs

PostgreSQL/MongoDB

Unit & integration tests

SBT & Git

Web security

Cloud & CI/CD

Tools

Play & Akka

SBT

Docker

Kubernetes

Git

Job description

Capgemini in the UK is recruiting Senior and Lead Scala Engineers to deliver critical digital services for public sector projects. The role requires designing scalable Scala architectures, mentoring engineers, and shaping technical strategy within an Agile environment.

You will work in a hybrid model with office, client site, and home-based elements. Security clearance (SC) is a requirement for successful applicants.