1 to 25 of 33 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 ...

React Native Developer (Wallet team) (100% remote Worldwide)

Hiring Organisation
Tether.io
Location
Bolton, Greater Manchester, United Kingdom
front-end pipelines and tools . Experienced with Native modules (C++) , WebSockets, RESTful based APIs . Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation. Important information for candidates Recruitment scams have become increasingly common. To protect yourself, please keep the following ...

React Native Developer (Wallet team) (100% remote Worldwide)

Hiring Organisation
Tether.io
Location
Leeds, West Yorkshire, United Kingdom
front-end pipelines and tools . Experienced with Native modules (C++) , WebSockets, RESTful based APIs . Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation. Important information for candidates Recruitment scams have become increasingly common. To protect yourself, please keep the following ...

Senior Software Engineer

Hiring Organisation
Copello
Location
Glasgow, Glasgow City, City of Glasgow, United Kingdom
Employment Type
Permanent
Salary
£45000 - £65000/annum Excellent Benefits Package
collaboration skills. Previous experience working in an Agile environment would be highly beneficial alongside technical experience with iOS and Android. Knowledge of Java, Kotlin, React, C#, HTML or CSS would also be sought. Security Clearance Eligibility for UK Security Clearance required. Home Working This role is largely home based ...

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 ...

Mobile Software Engineer

Hiring Organisation
BBC
Location
london, south east england, united kingdom
across BBC Apps. YOUR SKILLS AND EXPERIENCE ESSENTIAL CRITERIA: Strong Android development experience with a solid understanding of architecture and design principles. Proficiency in Kotlin and Jetpack Compose. Demonstrated experience with Test-Driven Development (TDD) to produce high-quality, reliable software. Experience of collaborative coding environments and an ability ...

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
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 ...

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 ...

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 ...

Java/Kotlin Developer

Hiring Organisation
Capgemini
Location
Sheffield, England, United Kingdom
About the Job You Are Considering We are looking for a Backend Software Engineer with strong experience in Kotlin and/or Java, who thrives in designing and building scalable, cloud‐native microservices and APIs. In this role, you will work within a Developer Experience (DevX) function, building platforms … your home; noting that you will be unable to work at home 100% of the time. Your Role: Perform hands‐on backend development using Kotlin and Java, with flexibility to work across both languages where required Design, develop, and maintain high‐performance REST APIs and microservices using the Spring ...

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 ...

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 ...