101 to 125 of 180 Kotlin Jobs in the UK

Mobile Engineering Manager

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
role at the heart of that strategy. The app is today built using React Native but increasingly we are leveraging native capabilities (Swift and Kotlin) to significantly overhaul the app experience. A day in the life: You will report into the Head of Engineering of Mobile. Managing the engineers ...

Quantitative Analyst

Hiring Organisation
Teksystems
Location
South East, United Kingdom
Employment Type
Contract
credit derivatives (highly desirable) 4. Strong analytical and problem-solving skills 5. Ability to work in a front-office-facing environment Skills java kotlin Python xva risk Job Title: Quantitative Analyst Location: London, UK Rate/Salary: 600.00 - 800.00 GBP Daily Job Type: Contract Trading as TEKsystems. Allegis Group ...

ABAP Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
pick it up fast. Here’s our setup: ABAP: Custom reports to integrate ABAP-based systems with the Conduct platform React, Vite, TanStack frontend Kotlin backend: Modern and expressive, paired with the maturity, tooling, and depth of the Java ecosystem. Lets us ship fast now without painting ourselves into ...

Online Programmer

Hiring Organisation
Steel City Interactive
Location
United Kingdom
diagnosing issues in distributed or asynchronous systems. Experience with the Pragma platform or similar backend solutions would be beneficial. Experience developing backend services using Kotlin or other JVM-based languages would be a bonus. Console development experience and awareness of platform certification requirements is beneficial. Knowledge of relational databases ...

Android Developer

Hiring Organisation
Damia Group Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £400 per day
cross functional teams to deliver high quality digital products Building intuitive, visually engaging, and user friendly mobile experiences Writing clean, scalable, maintainable, and testable Kotlin code Supporting development activities across the ScottishPower family of Digital platforms Driving continuous improvement across development processes, tooling, and customer experiences Identifying opportunities … technical discussions, architecture decisions, and code reviews Supporting the delivery of Digital objectives through innovation and engineering best practices Skills: Strong commercial experience with Kotlin and/or Java Experience using Android Studio Experience building Android applications using MVVM architecture Strong understanding of Jetpack Compose Familiarity with Android Jetpack ...

Kotlin/JVM Software Engineer

Hiring Organisation
HCLTech
Location
London Area, United Kingdom
growing team in pursuit of our customer experience goals. Our modern platform is built on top of a modern stack consisting of Kotlin/JVM for the back end interacting with other Java/JVM services internally, and a React based front end. We reach out to many APIs … curiosity, passion and startup mindset Practical application and understanding of computer science concepts Innovative thinking Software testing acumen (unit test, integration tests) Java/Kotlin/JVM Databases: Postgres, MongoDB, Redis, preferring Postgres Source Code Control: Working experience using GitHub, Bitbucket, RhodeCode Production monitoring and logging tools (i.e. CloudWatch ...

Front-Office SRE Lead: Observability & AI-Driven Reliability

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
patterns, observability, and reliability across globally distributed trading systems. You will partner with front‐office traders, contribute production code (Java/Python/Kotlin), drive incident response, and lead AI‐assisted reliability initiatives while collaborating with infrastructure, cloud, and security teams. #J-18808-Ljbffr ...

Senior Full-Stack Engineer, Promotions Platform

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
build scalable backend services and user‐facing tools that help merchants grow through offers, discounts, and incentives on our platform. You will work across Kotlin, Python, Go, and React, driving complex, cross‐functional initiatives in a fast‐moving environment. You’ll collaborate with product, design, and business stakeholders ...

Hands-On Head of Software Engineering — Scale Teams

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
building and scaling teams from 0–1 while remaining actively coding to drive delivery. You will oversee frontend, backend, integrations and mobile engineering using Kotlin Multiplatform, React, Next.js, C#, .NET, and Azure Cloud. Office attendance is required three days per week. Contract is three months, day rate negotiable, inside ...

Full Stack Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £700/day
equally comfortable thinking about schema evolution as they are about frontend state management. Backend Mastery: Strong production experience building high-scale services using Java, Kotlin, or Go . Modern Frontend Skills: Hands-on experience building clean, intuitive internal tooling using React and TypeScript . System Design & Integrity: Deep understanding ...

Senior Android Engineer - Retail (SS)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
experiences remain scalable, resilient, and customer-focused. What You'll Do Lead the design, development, and evolution of large-scale Android applications using modern Kotlin-based technologies Own complex technical deliveries, driving solutions from discovery and architecture through to implementation and production support Define and influence mobile architecture, engineering … modern software practices, automation, code quality, testing, observability, and CI/CD Contribute to platform-level initiatives, shared libraries, and cross-platform capabilities, including Kotlin Multiplatform Identify and address technical debt, performance bottlenecks, scalability challenges, and security concerns Champion customer experience, accessibility, reliability, and maintainability in all engineering decisions ...

Senior Android Developer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £90000/annum Bonus and Benefits
from idea through to release, helping deliver features that make a real difference to users. What you'll be doing Developing new features using Kotlin and Jetpack Compose. Taking ownership of technical decisions and helping shape the future of the Android platform. Writing clean, scalable and maintainable code. Working … developers and sharing your knowledge across the team. What we're looking for You'll ideally have: Strong commercial experience developing Android applications. Excellent Kotlin and Jetpack Compose skills. A solid understanding of Android architecture and design patterns. Experience working in Agile teams. A collaborative approach and a passion ...

Senior Kotlin Engineer (Event Streaming/Sourcing) – London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Senior Kotlin Software Engineer (Investment Banking) – London/hybrid Daily rate: £600 – £1000 Duration: 6 months Hybrid: 2 days on site Start: ASAP My banking client is looking for 2 experienced Senior Kotlin Software Engineers to join a cloud‐hosted platform team within an investment banking environment. This … opportunity to work closely with business stakeholders in a demanding and high‐impact environment. Key Responsibilities Design, develop, test, and maintain backend services using Kotlin Contribute across the full software lifecycle: development, integration, and production support Implement and support event‐driven architectures, including event sourcing and event streaming Work ...

Lead java kotlin Developer

Hiring Organisation
Purview Consultancy Services Ltd
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Title: Lead (Kotlin/Java) Location: Sheffield (3 days a week onsite is mandatory) Contract Job Description: Technologies we use in the role (Required): Kotlin, Java, Microservices, REST APIs, SQL/Databases, HTML/JavaScript, Asynchronous messaging/event-driven architectures (Kafka or similar) Proactive person who will … Support sprint planning by shaping technical approaches, identifying spikes, and helping the team size work appropriately. Design, develop and implement primarily back-end features (Kotlin/Java APIs and services), with a small element of UI work using a simple UI framework. Build and evolve APIs and microservices, applying ...

Head of Pre-Trade Tech Equity Derivatives Platform Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Trade Technology to lead the Equity Derivatives front office platform, delivering high-quality, customer-focused solutions while staying hands-on with architecture and Kotlin development. You will direct a globally distributed engineering team, mentor colleagues, and partner with Trading, Structuring, Quants and Product Owners to translate needs into scalable ...

Senior Android Engineer - Mobile Professional

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
established team containing a diverse mix of engineers, alongside dedicated representatives from UX, QA and Product Build high‐quality native Android applications using Kotlin and Jetpack Compose Work across a highly diverse technology stack spanning Android, backend infrastructure and shared cross‐platform components Collaborate closely with other technology teams … challenging engineering problems related to scale, reliability and real‐time systems You’ll need to have: Strong experience developing native Android applications using Kotlin Experience building modern Android architectures and UI systems Strong understanding of software engineering fundamentals including concurrency, algorithms and data structures Experience designing maintainable, modular ...

Developer Enablement, Technical Architect – Release on Demand (SVP)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
driven systems, distributed systems design* Hands-on experience with event-driven architecture and message queuing systems, particularly Apache Kafka* Strong server-side engineering skills: Kotlin Is our primary development language. Designing, building and consuming domain specific RESTful services & APIs* Proficiency with relational and/or NoSQL databases: PostgreSQL, MongoDB … understand requirements and deliver robust platform solutions* AI experience is highly desirable but not mandatory**Tools you’ll use (depending on role)*** **Server:** Kotlin, Java, Spring Boot, http4k, ktor, PostgreSQL, MongoDB, Apache Kafka, Docker, Kubernetes, Helm, Tekton, Harness* **Infra:** OpenShift, Tekton, Harness ...

Senior Software Engineer (JVM, Kotlin)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Senior Software Engineer (JVM, Kotlin) Simple Machines Hybrid · Full-time · London, UK About Simple Machines Simple Machines is a leading independent boutique technology firm with a global footprint across London, Poland, Sydney and New Zealand. We operate at the intersection of data, AI, machine learning, data engineering, and software … solutions. Strong engineering culture, real influence, and meaningful problems to solve. What We’re Looking For Core Experience Strong foundation in JVM‐based development (Kotlin preferred, Java welcome) Experience designing and implementing data‐driven APIs Background working on large‐scale web services Solid SQL experience, including schema design ...

Lead Mobile Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Qualifications 10+ years in mobile engineering, with at least 3 years in a leadership role. Strong technical expertise in native iOS (Swift) or Android (Kotlin) development. Experience leading mobile teams in a high‐growth or consumer‐facing company. Deep understanding of mobile architecture, MVVM, MVI, and platform‐specific guidelines. … First development environment or using AI tools to enhance engineering robustness and efficiency. Experience with cross‐platform frameworks (React Native, Flutter, Kotlin Multiplatform/Compose). Experience in DevOps, CI/CD pipelines, and app store release management. Background in performance tuning, mobile analytics, and A/B testing. ...

Java Developer

Hiring Organisation
HCLTech
Location
London Area, United Kingdom
contribute to complex technical problem solving Service-led architectur e: Support the design and implementation of distributed, service-oriented architectures using Java or Kotlin, ensuring reliability and maintainability Modern UI developmen t: Create intuitive and responsive user interfaces using React, improving how salespeople access insights and manage client workflow … Functional programming, and proven use of XP/agile practices including TDD, acceptance testing, pair programming, and continuous integration. Proficiency in Java or Kotlin, and familiarity with building modern web applications using Typescript and React. Experience applying iterative development to deliver high-value outcomes in complex domains. Exposure ...

Senior Lead Software Engineer - Cloud Platform Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 – all in ...

Full Stack Engineer - Java, Spring Boot

Hiring Organisation
Consulting Point
Location
United Kingdom
Full Stack Engineer (Java/Spring Boot) A premier management consultancy is seeking a Full Stack Engineer for its expanding practice. This role delivers cutting-edge digital solutions for high-profile clients by combining deep ...

Android Engineer - 6 Months

Hiring Organisation
Stealth IT Consulting Limited
Location
United Kingdom
Employment Type
Contract
Contract Rate
£537 per day 537 Inside IR35
standards and familiarity with AI-assisted development tools (e.g., GitHub Copilot) are highly desirable. Key Responsibilities Design, develop, and maintain native Android applications using Kotlin/Java and the Android SDK Integrate RESTful APIs and external services into mobile workflows Optimise application performance, including caching strategies, offline support … generated code prior to production use Use AI tools to support debugging, root cause analysis, and impact assessment Skills & Experience Essential: Strong experience with Kotlin (preferred) and/or Java, and the Android SDK Proven experience integrating REST APIs (or similar services) Hands-on knowledge of Google Play Console ...

Senior Android Software Engineer - London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
senior engineer, you’ll collaborate closely with product, design, and engineers across Proton to build and ship high-quality Android experiences using Kotlin, Jetpack Compose, and an increasingly shared Rust core. You’ll take end-to-end ownership of your work and help define what “great” looks like … privacy-focused consumer products at scale. What we are looking for You have extensive experience building and shipping high-quality Android applications using Kotlin You have strong experience with Jetpack Compose and modern Android development practices You care deeply about product quality, usability, and delivering exceptional user experiences ...

DevX POD Lead (Kotlin/Java)

Hiring Organisation
Experis
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£480 - £529/day
DevX_POD Lead (Kotlin/Java) Hybrid 60% office-40% Remote - Sheffield Duration: 30/11/2026 Rate £529 MUST BE PAYE THROUGH UMBRELLA Role Description : Technologies we use in the role (Required): Kotlin, Java, Microservices, REST APIs, SQL/Databases, HTML/JavaScript, Asynchronous messaging/… Support sprint planning by shaping technical approaches, identifying spikes, and helping the team size work appropriately. Design, develop and implement primarily back-end features (Kotlin/Java APIs and services), with a small element of UI work using a simple UI framework. Build and evolve APIs and microservices, applying ...