Senior Scala Engineer

Contract: 12 Months

The Opportunity

We’re looking for a Senior Scala Engineer to join a high-performing engineering team on a 12-month contract. This role is ideal for an experienced backend engineer with deep Scala expertise who is also comfortable working across the full stack using TypeScript.

You’ll play a key role in designing, building, and enhancing scalable, cloud-native applications while collaborating closely with product managers, architects, and fellow engineers.

The role is approximately 70% Scala and 30% TypeScript , with a strong emphasis on backend development and modern engineering practices.

Responsibilities

• Design, develop, and maintain high-performance backend services using Scala.
• Build and enhance frontend components and APIs using TypeScript.
• Develop scalable, resilient microservices and distributed systems.
• Collaborate with cross-functional teams to deliver high-quality software.
• Write clean, maintainable, and well-tested code.
• Participate in code reviews and contribute to engineering best practices.
• Support CI/CD pipelines and cloud-based deployments
• Troubleshoot production issues and optimise application performance

Required Skills & Experience

• Extensive commercial experience developing applications with Scala .
• Strong experience with TypeScript in modern web applications.
• Experience building RESTful APIs and microservices.
• Knowledge of distributed systems and event-driven architectures.
• Experience with relational and/or NoSQL databases.
• Familiarity with Docker and Kubernetes.
• Experience working with cloud platforms (AWS, Azure or GCP).
• Strong understanding of software engineering principles, testing, and CI/CD.
• Excellent communication skills and experience working within Agile teams.
• Experience with Akka, Cats Effect, ZIO, or Play Framework.
• Experience with React or other modern frontend frameworks.
• Kafka or other messaging technologies.
• Infrastructure as Code (Terraform, CloudFormation, etc.)
• IR35: Inside IR35
• Location: London

If you’re a senior Scala engineer looking for your next long-term contract and enjoy working across both backend and frontend technologies, we’d love to hear from you.

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