Hiring: Lead Scala Developer | £460/day (Inside IR35) | Hybrid – Leeds or Newcastle

Areti Group | B Corp™; Leeds; Hybrid; GBP 111,000 - 166,000; Full time

Job summary

Areti Group | B Corp™ is seeking a Lead Scala Developer to guide a talented team on a high-profile national programme. You will lead design and build of full-stack Scala solutions for a public sector use case, balancing secure coding, code quality, and scalable architecture. You’ll mentor engineers, drive architectural decisions, and collaborate with DevOps and QA across a hybrid Leeds/Newcastle team.

Qualifications

• Proven experience as a Lead Developer or in a similar leadership role
• Strong Scala background and functional programming mindset
• Hands-on with building microservices using Play Framework
• Experience with CI/CD pipelines and modern development tools
• Proficient in macOS or Linux environments
• Solid Agile practices and architectural influence
• Excellent communication and stakeholder collaboration skills

Responsibilities

• Lead design and build of full-stack Scala solutions (front and back end)
• Ensure secure coding, testing, and deployment across the lifecycle
• Provide hands-on technical leadership, mentoring, and guidance
• Drive architecture discussions and high-level technical decisions
• Conduct code reviews to improve quality and maintainability
• Collaborate with DevOps, QA, and cross-functional teams to deliver scalable solutions
• Explain complex ideas clearly to diverse stakeholders
• Contribute to engineering craft communities and best practices

Skills

Lead Developer

Scala

Functional programming

Play Framework

CI/CD

Git

IntelliJ

VS Code

sbt

macOS / Linux

Agile

Architecture decisions

Communication

Tools

Play Framework

Git

IntelliJ

VS Code

sbt

Job description

Are you a hands-on Scala leader who likes building things that matter at national scale? We’re looking for a Lead Scala Developer to lead a talented team on a high-profile digital programme for a major UK public sector organisation. The services you build will be used by millions of people.

The Essentials

• Location: Hybrid, Leeds or Newcastle (2 days in the office)
• Travel: Monthly travel likely, with an overnight stay if you’re not local

What You’ll Be Doing

• Leading the design and build of full-stack solutions in Scala, across both front end and back end
• Making sure best practice in secure coding, testing and deployment runs through the whole development lifecycle
• Giving hands‑on technical leadership, mentoring and guidance to a team of developers
• Driving architecture discussions and shaping high-level technical decisions
• Running code reviews and giving constructive feedback that improves quality and maintainability
• Working with DevOps, QA and cross‑functional teams to deliver robust, scalable and secure solutions
• Explaining complex technical ideas clearly to stakeholders and non-technical colleagues
• Contributing to engineering craft communities and sharing best practice and thought leadership

What You’ll Bring

• Proven experience as a Lead Developer or in a similar leadership role, with a strong Scala background
• Strong skills in Scala and functional programming principles
• Hands‑on experience building microservices with the Play Framework
• Experience with CI/CD pipelines, Git and modern tools such as IntelliJ, VS Code and sbt
• Essential: experience working in a macOS or Linux environment
• A strong understanding of Agile methods and practices
• A track record of influencing architecture decisions across large codebases
• Excellent problem‑solving skills, strategic thinking and strong communication
• Lead engineering on services that make a real difference to the public
• Work at real scale, with modern tooling and a strong engineering culture
• Be part of a collaborative, craft‑focused community that values your expertise
• Get a competitive day rate and a flexible hybrid working pattern