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Diatom Technologies
Senior Engineer

Senior Engineer

Hybrid

London, United kingdom

Senior

Freelance

07-12-2025

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Skills

Java Kotlin CI/CD Architecture Full-Stack Development Microservices

Job Specifications

Senior Engineer (Kotlin + Java | Full Stack | UK)

Job Title: Senior Engineer

Location: Greater London, England, United Kingdom (Hybrid)

Employment Type: Contract

Company: Diatom Technologies

Senior Engineer (Full Stack | Kotlin + Java) – UK Based

Diatom Technologies is seeking a Senior Engineer with strong experience in Kotlin, Java, and full-stack development to support delivery for a key UK client.

This role requires the ability to work across multi-disciplinary teams with occasional travel to London.

Key Responsibilities

Develop high-quality backend services using Kotlin and Java
Contribute to full-stack delivery (frontend + backend where needed)
Collaborate with product, architecture, and engineering teams
Support integration, testing, and deployment activities
Work within modern engineering practices (CI/CD, microservices, cloud)

Required Skills & Experience

Strong experience with both Kotlin and Java
Experience in full-stack development
Solid understanding of microservices, APIs, and cloud environments
Experience working in cross-functional engineering teams
Must be UK-based and able to travel to London when required

Important:

Only candidates meeting all the above criteria should apply.

About the Company

Consulting and delivering organisational transformation programmes and operating services for large portfolios of applications and platforms with a speciality in IT Service Delivery Management in Banking from last 20 years. Key consulting expertise: IT project management at regional or global scale , Service Now design , development and rollout to organization level , Service Management Ops ( Incident, Problem and Change ) , Release and Deployment , Application development (UXP-Temenos , T24, Java, Mainframe AS400), Mobile A... Know more