1 to 25 of 29 Kotlin Jobs in the UK excluding London

Software Developer Mobile (iOS / Android)

Hiring Organisation
AWD Online
Location
Scarborough, North Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
maintain performance and usability Code Quality & Optimisation: Contribute to clean, efficient and scalable code development CANDIDATE REQUIREMENTS ESSENTIAL Experience developing mobile applications using Kotlin or Jetpack Compose for Android Experience developing iOS applications using Swift or SwiftUI Proven experience building and maintaining applications in a production environment Ability ...

Senior Android Engineer

Hiring Organisation
Haystack
Location
Manchester Area, United Kingdom
date with the latest trends and technologies in mobile development Requirements 4+ years of professional Android development experience (Senior) Strong proficiency in Kotlin and modern Android development practices Experience with Jetpack Compose, MVVM architecture, and dependency injection (e.g., Hilt or Dagger) Familiarity with RESTful APIs, GraphQL, and third-party ...

Principal Java Architect

Hiring Organisation
Jobleads-UK
Location
Nottingham, England, United Kingdom
libraries, frameworks, and platform components that power our services.* Innovation & Research: Stay ahead of the curve on Java ecosystem developments (e.g. Project Loom, GraalVM, Kotlin, Quarkus) and lead strategic adoption.* Cross-Functional Collaboration: Work closely with product, architecture, and platform teams to deliver cohesive, performant, and secure solutions.**WHAT ...

Solutions Architect - Spatial Intelligence (Aviation & Smart Buildings)

Hiring Organisation
identifi Global Resources
Location
Buckinghamshire, UK
Bluetooth Low Energy (BTLE) and infraless positioning systems. Experience building and supporting mobile applications for: iOS (Swift or Objective-C) Android (Java or Kotlin) Proficiency with RESTful APIs and cloud platforms (AWS, Azure, or Google Cloud). Familiarity with edge computing, digital twins, and AI-driven automation. Excellent communication ...

Android Security Researcher

Hiring Organisation
CoreTech Security
Location
Cheltenham, Gloucestershire, United Kingdom
Employment Type
Full Time
Salary
50000-90000
AOSP for research purposes Strong understanding of application modification, software modification, or firmware modification techniques Excellent programming skills in languages such as Java/Kotlin, C, C++, and Python Knowledge of low-level programming languages such as Assembly or ARM Strong analytical and problem-solving skills, with the ability ...

Head of Engineering & Architecture

Hiring Organisation
Jobleads-UK
Location
Leeds, England, United Kingdom
Technical Background Deep technical background with hands‐on experience in backend systems, microservices, and distributed architectures Strong full‐stack foundation: .NET Core, Node.js, Python, Kotlin, cloud platforms (AWS, Azure), containerisation (Kubernetes, Docker) Track record of delivering high‐scale, reliable, and secure platforms for enterprise customers Knowledge of modern engineering ...

Full Stack Engineer

Hiring Organisation
Addition+
Location
Milton Keynes, Buckinghamshire, UK
engineering culture. Main Skills Needed: Expert knowledge of JavaScript, TypeScript, React (Hooks, Redux), HTML5 and CSS/SASS. Strong experience designing backend services in Kotlin or Java with REST and OpenAPI. Proven experience in system design at scale, simplifying complex architectures. Understanding of CI/CD and DevOps principles ...

Data Engineer

Hiring Organisation
Sanderson Recruitment
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent
Salary
£70,000
knowledge within the team Skills & Experience (Essential) Strong experience with cloud-based data architectures (GCP experience essential) Proficiency in Python, SQL, (epsoure to Java, Kotlin, Bash) Hands-on experience with modern data tools such as BigQuery, Dataflow, Pub/Sub, dbt, Kubernetes, or similar Experience building and maintaining data ...

Mobile Engineer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
stability Contribute to consistent cross-platform user experiences Profile The Mobile Engineer will have strong experience with iOS (Swift) and/or Android (Kotlin) Experience integrating with GraphQLAPIs Experience building user experiences tied to transactions, pricing, or eCommerce flows is strongly preferred Ability to work in fast-paced, evolving ...

Android Developer

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
governed environments where security, performance, accessibility, and reliability are critical to service success. Key Responsibilities Design, develop, and maintain native Android applications using Kotlin and/or Java Collaborate with UX designers, product owners, and Back End developers to translate requirements into robust, accessible mobile experiences Write clean, testable … processes and manage release cycles Contribute to technical documentation, architecture decisions, and sprint ceremonies Essential Skills & Experience Strong experience in native Android development using Kotlin (Java experience also valued) Solid understanding of Android SDK, Android Studio, and the Google development ecosystem Experience with common Android architectural patterns (eg MVVM ...

Android Developer

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Permanent
Salary
GBP 47,000 Annual
governed environments where security, performance, accessibility, and reliability are critical to service success. Key Responsibilities Design, develop, and maintain native Android applications using Kotlin and/or Java Collaborate with UX designers, product owners, and Back End developers to translate requirements into robust, accessible mobile experiences Write clean, testable … processes and manage release cycles Contribute to technical documentation, architecture decisions, and sprint ceremonies Essential Skills & Experience Strong experience in native Android development using Kotlin (Java experience also valued) Solid understanding of Android SDK, Android Studio, and the Google development ecosystem Experience with common Android architectural patterns (eg MVVM ...

Senior QA - Kotlin - SC Clearnance - £500pd

Hiring Organisation
True North Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
TrueNorth are working with a successful tech consultancy that works heavily in the public sector - we're looking for QA Managers for some immediate contract roles. Key skills: Integration Testing – Automated tests in Kotlin. UI ...

Android Software Engineer

Hiring Organisation
Richmond Square Consulting Limited
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
Android Software Engineer (Kotlin) Cheltenham/Hybrid/Remote My client is looking for an experienced Android Software Engineer with strong Kotlin expertise to join a growing UK technology business delivering secure mobile solutions into the national defence sector. This is an opportunity to work across live programmes … peer-sharing culture Career progression The role and responsibilities Designing, developing, testing, and maintaining high-quality Android applications Building secure, robust mobile applications in Kotlin Applying modern Android architecture patterns such as MVVM, MVI, and Clean Architecture Writing clean, maintainable code using modern Android practices including coroutines, Flow ...

DevX Kotlin (or Java) Developer

Hiring Organisation
Experis
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £414/day
DevX_Kotlin (or Java) Developer SheffieldHybrid - 60% office 40% home Duration: 30/11/2026 Rate £418 MUST BE PAYE THROUGH UMBRELLA Role Description: Required Experience in Kotlin (or significant Java experience with a willingness to learn Kotlin) Experienced in at least two or three … control owners and development teams to manage/view their compliance with a range of software development controls. The candidate would be working on Kotlin and Java-based web applications and APIs. There are 2-3 applications and PoCs we are hiring for. Exact candidate allocation will depend ...

Kotlin/Java Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Sheffield, South Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £360 per day
Join a leading independent Banking and services provider as a Kotlin/Java Developer. Job Overview: The role sits within a Developer Experience (DevX) function focused on building and managing platforms that enable software engineering teams to develop, deploy, and operate applications efficiently and consistently.You will work on client … engineering team to continuously improve development processes Participate in peer reviews and contribute to knowledge-sharing initiatives Required Skills & Experience Strong experience in Kotlin or Java with the ability and willingness to work across both where required Experience developing REST APIs and working with frameworks such as Spring Solid ...

Java Software Engineer

Hiring Organisation
Vallum Associates
Location
Sheffield, England, United Kingdom
Required : Experience in Kotlin (or significant Java experience ) Experienced in API development, SQL/databases, HTML/Javascript Excellent writing skills and attention to detail in code Proactive person who will not wait to be told what to do next or be unblocked by others Experience working with standard … active member of a team, participating in peer reviews and in testing others code through automated test scripting Skills Required: Experience in Kotlin (or Java with willingness to learn Kotlin) Experienced in at least two or three of the following: API development, SQL/databases, HTML/Javascript ...

Junior/Mid Android Developer - Manchester or Belfast

Hiring Organisation
Tenth Revolution Group
Location
Manchester Area, United Kingdom
designers and architects to build high‐quality mobile applications. Your responsibilities will include: Designing and contributing to mobile application architecture Developing new features using Kotlin (Java experience beneficial) Collaborating with backend teams and integrating APIs Working closely with designers to deliver intuitive, beautiful interfaces Ensuring performance, scalability, and security … role is ideal for someone who combines technical expertise with strong communication skills and a collaborative mindset. The ideal candidate brings : Strong experience with Kotlin and Android SDK Knowledge of Jetpack libraries: Room, LiveData, ViewModel, WorkManager, Navigation, Compose Familiarity with Material Design and responsive UI principles Experience integrating third ...

Software Engineer

Hiring Organisation
Richmond Square Consulting Limited
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
particularly well suited to strong software engineers/software developer with experience in one or more of the following: C#, Java, TypeScript, Android/Kotlin, or other modern software engineering stacks. Benefits £75,000 - £95,000 basic salary Bonus Hybrid working and flexibility Pension Private healthcare Electric car scheme … Engineer, Backend Engineer, Full Stack Engineer, Mobile Engineer, or similar Strong ability in one or more modern programming languages such as C#, Java, TypeScript, Kotlin/Android, or similar Strong software engineering fundamentals including code quality, maintainability, and problem solving Experience building production software in commercial environments Ability ...

Android Developer

Hiring Organisation
Counter
Location
Leeds, England, United Kingdom
with a large user base, contributing to new features, performance improvements, and architectural evolution. 5+ years of professional Android development Strong proficiency in idiomatic Kotlin, including asynchronous coding (coroutines, Deferred, Flow) Proficiency in Java 8+, including multithreading and concurrency Experience with Jetpack Compose, as well as legacy Android … Azure Pipelines or similar Comfortable in a team environment using code review and version control Technology Stack: Android: Java 8+, including multithreading and concurrency Kotlin MVVM Jetpack Compose, as well as legacy Android XML Views Nice to have: MongoDB SQL Experience building KMP modules Familiarity with Android WorkManager Experience ...

Senior Lead Software Engineer - Cloud Platform Engineering

Hiring Organisation
J.P. Morgan
Location
slough, south east england, united kingdom
JOB DESCRIPTION Out of the successful launch of Chase in 2021, we're a new team, with a new mission. We're creating products that solve real world problems and put customers at the center ...

Kotlin Engineer

Hiring Organisation
Ncounter
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £100,000 per annum
Senior Kotlin Engineer Ncounter is supporting a leading organisation within the publishing and media space as they look to strengthen their backend engineering capability. This team is responsible for building and evolving platforms that aggregate, process and distribute large-scale editorial and content datasets, enabling internal teams and external … information in near real time. You will join a highly capable engineering function focused on delivering scalable backend services, working across API development and Kotlin-based microservices that power content ingestion, indexing and distribution workflows. The environment is data intensive, with a strong emphasis on performance, reliability and clean ...

Senior Android Engineer (Contract) | Kotlin, Jetpack Compose, Coroutines, Flow | High-Traffic Consumer App | £400/day | Remote (UK) | Outside IR35

Hiring Organisation
Owen Thomas | B Corp™
Location
Leeds, West Yorkshire, United Kingdom
Senior Android Engineer (Contract) | Kotlin, Jetpack Compose, Coroutines, Flow | High-Traffic Consumer App | £400/day | Remote (UK) | Outside IR35 We’re hiring a Senior Android Engineer (contractor) to join a product-focused team building a high-traffic consumer application used at scale. This is a hands-on role … scale Android app used by thousands/millions of users Working closely with product and design to make pragmatic technical decisions Writing clean, maintainable Kotlin code in a modern architecture Contributing to architectural direction (not just implementing tickets) Improving performance, reliability, and overall app quality Reviewing code and raising ...

Senior Android Engineer (Contract) | Kotlin, Jetpack Compose, Coroutines, Flow | High-Traffic Consumer App | £400/day | Remote (UK) | Outside IR35

Hiring Organisation
Owen Thomas | B Corp™
Location
Ashton-Under-Lyne, Greater Manchester, United Kingdom
Senior Android Engineer (Contract) | Kotlin, Jetpack Compose, Coroutines, Flow | High-Traffic Consumer App | £400/day | Remote (UK) | Outside IR35 We’re hiring a Senior Android Engineer (contractor) to join a product-focused team building a high-traffic consumer application used at scale. This is a hands-on role … scale Android app used by thousands/millions of users Working closely with product and design to make pragmatic technical decisions Writing clean, maintainable Kotlin code in a modern architecture Contributing to architectural direction (not just implementing tickets) Improving performance, reliability, and overall app quality Reviewing code and raising ...

Java Kotlin Developer

Hiring Organisation
TESTQ Technologies
Location
Sheffield, England, United Kingdom
team participating in peer reviews and in testing others code through automated test scripting SKILLS Experience in Java with willingness to learn Kotlin Experienced in at least two or three of the following API development SQL databases HTML JavaScript Lots of experience of working with microservices Strong technical ...