26 to 50 of 66 Kotlin Jobs in the UK

Android Security Researcher

Hiring Organisation
Hackajob Ltd
Location
London, England, United Kingdom
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 ...

Android Security Researcher

Hiring Organisation
Hackajob Ltd
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
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 ...

Android Security Researcher

Hiring Organisation
Hackajob Ltd
Location
Cheltenham, Gloucestershire, UK
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 ...

Engineering Lead - Account Management

Hiring Organisation
Wise
Location
London, UK
Employment Type
Full-time
correctness of critical systems at scale. Comfortable in a JVM codebase, or confident you'll get there fast - we're on Java/Kotlin and Spring Boot. LeadershipExperience leading a team of engineers and owning what they deliver. Leadership through trust: you give people context and direction ...

Senior Full Stack Kotlin Developer

Hiring Organisation
Hippo Digital
Location
London, England, United Kingdom
building and delivering transformative digital solutions for a diverse range of Public and Private sector clients. We are recruiting for a Senior Full Stack Kotlin Developer to join our Hippo Herd. We work at the intersection of strategy, design, and technology to solve complex problems and create lasting value. … collaborative and agile culture empowers our teams to make a genuine impact. As a Senior Full Stack Kotlin Developer, you will play an important role in making Hippo the best Consultancy out there. You will work as part of a multi-disciplinary team combining data, design, product, delivery, analysis ...

AWS DevSecOps Engineer, React, AWS

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£650 - £680 per day
OWASP API Security Top 10 . Experience securing AWS environments, including IAM, networking and hybrid integrations. Ability to review code across Java, Kotlin, TypeScript, .NET or Python. Experience embedding security testing into CI/CD pipelines. Strong understanding of React applications and front-end security , including token handling ...

Principal Software Engineer - ThousandEyes

Hiring Organisation
CISCO Systems
Location
London, UK
Employment Type
Full-time
about developer productivity and how we can constantly improve on this. Minimum QualificationsProfessional software engineering experience building and maintaining production-grade applications using Java, Kotlin, or C++.Software architecture experience in at least two of the following domains: distributed systems, enterprise SaaS, endpoint development, or low-level networking protocols.4+ years ...

Full Stack Java Developer

Hiring Organisation
Version 1
Location
Manchester, UK
Employment Type
Full-time
deeply embedded within our DNA. Invest in us and we'll invest in you!. Job DescriptionWe are seeking an experienced Senior Kotlin Developer to join our UK Digital & Cloud Practice. Our Digital Practice is expanding rapidly and there will be an opportunity for you to achieve medium …/CD Pipelines and SOLID/DRY principals Hands-on developing/coding role using the following technologies: Frontend - TypeScript, Node, Express JSBackend - Kotlin, Spring Boot, HibernateExperience in estimation and sizing Integration experienceAPI Design experienceCloud experienceAppetite to work with emerging AI technologiesSC EligibleAdditional InformationWhy Version 1? At Version ...

Full Stack Java Developer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
display and foster them,itsdeeply embedded within our DNA. Invest in us andwellinvest in you!. Job Description Weare seeking an experienced Senior Kotlin Developer to join our UK Digital & Cloud Practice. Our Digital Practice is expanding rapidly and there will be an opportunity for you to achieve medium …/CD Pipelines and SOLID/DRY principals Hands-on developing/coding role using the following technologies: Frontend - TypeScript, Node, Express JS Backend - Kotlin, Spring Boot, Hibernate Experience in estimation and sizing Integration experience API Design experience Cloud experience Appetite to work with emerging AI technologies SC Eligible ...

Backend Engineer - AI Native

Hiring Organisation
LinuxRecruit
Location
London, UK
Employment Type
Full-time
particular set of technologies. You'll be working with a modern engineering stack built to support complex AI applications at enterprise scale. Backend: Kotlin and the wider Java ecosystemFrontend: React, Vite and TanStackWorkflow orchestration: TemporalLLM routing: PortkeyAI infrastructure: A purpose built LLM harness combining agent autonomy with enterprise grade ...

Principal Engineer (Payments)

Hiring Organisation
Masabi
Location
United Kingdom
Employment Type
Full Time
Salary
1000 GBP Annually
e.g. Visa, Mastercard, Interac) Experience working in complex, multi-service or event-driven architectures Familiarity with a range of tools and technologies including: Development: Kotlin, Java Data storage: DynamoDB, MySQL Infrastructure as code and CI/CD: Terraform, GitLab CI/CD//You don't need ...

Senior Software Engineer (Full Stack) — Java & React

Hiring Organisation
Zühlke Engineering
Location
Manchester, UK
Employment Type
Full-time
high-performing engineering squad, building and operating business-critical digital services. This is a backend-led full-stack role. You will use Kotlin or modern Java, ideally Java 17 or later, together with the wider JVM ecosystem, to develop reliable services and APIs. You will also contribute to modern … other engineers and help maintain high standards of engineering quality. How you will make an impact Build and maintain reliable JVM-based services using Kotlin or modern Java. Design and develop APIs and integrations following industry standards. Contribute to API design standards and documentation. Deliver complete ...

Senior Android Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day Inside IR35 via Umbrella
builds in-app messaging and social platforms. Direct/Indirect Management: Indirect only (cross-team project lead/mentoring). Top 3 Hard Skills: Kotlin/Android (8+ yrs), Agentic tools (Cursor/Claude), Real-time sync & API performance. Top 3 Soft Skills: Collaboration, Team-first mindset, Safety/ ...

Android Engineer

Hiring Organisation
SCALERS GROUP LIMITED
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £550 per day
scalable, and fit for purpose. Mentor and guide other engineers to uphold high coding standards and best practices. Skills & Experience Required Strong experience using Kotlin Android architecture patterns SOLID design principles Experience with Google Ad Manager Unit testing with JUnit and Mockito UI automation testing with Espresso ...

Staff Product Engineer

Hiring Organisation
LinuxRecruit
Location
London, UK
Employment Type
Full-time
directly to customers, then watching your code go live inside large-scale organisations What you'll bring: Strong fundamentals: Deep comfort in modern languages (Kotlin, TypeScript, Python etc.) and no fear of picking up new onesA builder's DNA: Side projects, startup experience or open source contributionsAI-native experience ...

Staff Android Engineer

Hiring Organisation
John Lewis Partnership
Location
London, England, United Kingdom
achieve your learning goals. Internally this role is known as Product Engineer (L6).Essential skills:Extensive experience in Native Mobile Development in Android (Kotlin and Java)Accessibility best practiceContinuous Integration/Continuous DeliveryExperience with generative AI tools and techniques to enhance development and productivity.Experience with Kotlin Multi Platform ...

Engineering Manager (Java/Mobile/Cross-platform)

Hiring Organisation
IT Human Resources
Location
Sussex, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Software Engineering Manager (Kotlin/Mobile/cross-platform) ITHR Group plc East Sussex, England, United Kingdom (Hybrid) My client is seeking a hands-on Senior Engineering Manager to lead the Back End service layer for a major iOS and Android travel application. Remit Lead delivery of the mobile … development of engineering talent Skills 10+ years software engineering experience 2+ years leadership experience managing engineering teams Strong hands-on Java 17+ or Kotlin development experience Strong Spring Boot and microservices architecture experience Experience with Gradle build automation Experience with GitHub Actions and/or CircleCI Strong cloud platform ...

Software Engineer (Mobile Security)

Hiring Organisation
ARM
Location
Bristol, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £850/day Inside IR35 (Negotiable Market rate)
engineers from Android, iOS or mobile platform backgrounds, with opportunities available across multiple levels of experience. Key Requirements Commercial experience developing mobile applications using Kotlin/Android and/or Swift/iOS Strong understanding of mobile application security principles Experience implementing authentication, encryption and secure storage solutions Knowledge …/CD pipelines Collaborating with engineering, architecture and security teams Driving continuous improvements in mobile security standards and practices Technical Skills Mobile Development Kotlin Android Swift iOS SwiftUI UIKit Jetpack Android SDK Swift Package Manager Mobile Security OWASP Mobile Top 10 OWASP MASVS Mobile Application Security Secure Coding Threat ...

Backend Kotlin Engineer - Banking

Hiring Organisation
AMS CWS
Location
City, London, United Kingdom
Employment Type
Temporary
Salary
GBP Annual
Deutsche Bank is a global banking business with strong roots in Germany and operations in over 70 countries. Their large but focused footprint gives an established position in Europe plus a significant presence in the ...

Software Development Engineer

Hiring Organisation
Deerfoot Recruitment Solutions
Location
Hounslow, London, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £430 per day + Hybrid Working
teams (5+ years preferred) Strong commercial experience in Java or a comparable language, plus production experience in at least one other, for example TypeScript, Kotlin, Python, Go or C# Comfortable working across back end and front end (TypeScript and Angular are the current front-end stack) A track record … candidates who have held roles including: Software Engineer, Backend Engineer, Platform Engineer, Full Stack Engineer, Lead Software Engineer, Principal Engineer, Technical Lead, Java Engineer, Kotlin Engineer, Python Engineer, TypeScript Engineer, Integration Engineer Deerfoot Recruitment Solutions Ltd is a leading independent tech recruitment consultancy in the UK. For every ...

Java Developer

Hiring Organisation
Global
Location
Greater London, United Kingdom
Employment Type
Full Time
This job is with Global, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Accepting applications until: 27 November 2026 ...

Java Developer

Hiring Organisation
Global
Location
London, UK
Employment Type
Full-time
Accepting applications until: 27 November 2026Job DescriptionYour Role: Java Developer Keeping our audiences entertained with their favourite podcasts, radio shows, video content and playlists, the Consumer Growth team builds best-in-class tech to help ...

Senior Java/Kotlin Engineer - Equity Derivatives Tech - VP

Hiring Organisation
Citigroup
Location
London, England, United Kingdom
specifications.Proactively identify, mitigate, and solve complex risks throughout the software development lifecycle.Improve system performance, scalability, reliability, observability.Skills RequiredStrong software engineering experience in Java/Kotlin, building enterprise-grade, cloud-hosted systems.Proven experience working directly with end users or ideally trading desks to deliver mission-critical capabilities from concept through ...

Software Development Engineer III

Hiring Organisation
Expedia
Location
London, UK
Employment Type
Full-time
adhere to regulatory norms. The pricing platform supports millions of users every year in finding suitable travel products using technologies such as Java, Scala, Kotlin, Spring, MSSQL, DynamoDB, Redis, etc. We encourage experimentation with new technologies while maintaining a healthy balance between short- term and long-term goals. … Degree (4+ years post-degree experience)Hands-on experience in software development using Java or similar object-oriented programming languages, or Scala or Kotlin or similar functional languagesProven experience building and operating scalable distributed systems and services within AWS cloud infrastructure or similar technologies. You have experience formally mentoring ...

Android Developer

Hiring Organisation
Fuel Recruitment Limited
Location
Cheltenham, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day outside IR35
deploying onto customer systems. The team within which you will work is highly collaborative and supportive. Your work may include Develop reliable applications in Kotlin Jetpack Compose for Android, with the potential to branch out into Kotlin Multi-Platform. These applications focus on a range of user experiences ...