101 to 125 of 166 Kotlin Jobs in the UK

delivering robust applications in fast-paced environments like fintech, e-commerce, or streaming services. Key Responsibilities Lead the development of new features using Kotlin and the modern Android SDK, ensuring high performance and responsiveness. Collaborate closely with product designers to translate wireframes and mockups into pixel-perfect, functional implementations. … application quality through best practices, including unit testing and performance monitoring. Requirements 5+ years of dedicated experience in Android development. Expert-level proficiency in Kotlin and the Android SDK. Direct experience working on high-scale B2C products (e.g., Neobanks, Super Apps, Delivery, or Video Streaming). Strong understanding ...

user‐centric features. You’ll also contribute to our culture of continuous learning and innovation. Job Responsibilities Design, develop, and maintain Android applications using Kotlin and best engineering practices Apply SOLID principles, design patterns, and architecture types to deliver scalable solutions Lead and participate in the migration to MVVM … Widgets Ensure app performance, reliability, and a crash‐free user experience Communicate effectively and proactively solve problems Required Qualifications, Capabilities, and Skills Proficiency with Kotlin, Android SDK, and Android Studio Experience with RxJava or Coroutines, and Dagger or Hilt Familiarity with Java/Android design patterns (MVP, MVVM) Experience ...

control Roku streaming devices from TVs to Players and beyond. This role offers the opportunity to work across a modern, evolving tech stack including Kotlin, Compose, and Google's latest frameworks. You’ll collaborate closely with design, product, and cross-functional engineering teams to bring innovative features to life … leverage them Contribute to roadmap planning, technical design, and release delivery We’re Excited If You Have Professional Android development experience, ideally with Kotlin and/or Compose Strong experience shipping and maintaining production apps in the Play Store Proficiency in using AI tools (e.g., GitHub Copilot, ChatGPT ...

testing. You will be proficient with Playwright and/or Cypress for E2E test automation. Hands on experience testing services built with Kotlin and TypeScript. You must have a strong understanding of API testing, including calls to legacy systems and modern integration services. Experience with integration resilience testing (handling ...

directly to customers and seeing your code immediately deployed inside large scale organisations. What you will bring Strong fundamentals: Deep comfort with modern languages (Kotlin, Typescript, Python etc) and not afraid to pick up new ones A builder’s DNA: You have side projects, startup experience, or open source ...

interface. The original reasoning stays visible, so developers collaborate in human language, not just machine-generated code. Founded by the creator of the Kotlin programming language, CodeSpeak combines the LLM technology with the insight into the world of compilers and code analysis. The project is still at an early ...

whether that's AI-powered prototyping, agent systems, or orchestration. MCP experience is a plus. Deep expertise in at least one programming language (JavaScript, Kotlin, Swift, or similar). We expect you'll use AI tools to accelerate your work — but there's no substitute for genuine fluency. Creative ...

full software development life cycle. Your Responsibilities: Lead feature delivery and shape technical strategy Collaborate closely for pixel-perfect implementation Write clean, maintainable Kotlin code with Jetpack Compose Champion TDD, CI/CD, and other best practices Mentor and support fellow engineers What We're Looking For: Proven experience … with Android apps using Kotlin and Jetpack Compose Strong understanding of mobile architecture and design patterns Passion for agile development and quick delivery Comfortable leveraging AI tools to boost productivity Collaborative mindset focused on continuous improvement Rewards & Benefits: 27 days holiday (rising to 30) + bank holidays Bonus scheme ...

with our product and design teams to build and ship high-quality features for our Android application. Code Quality: Write clean, maintainable code in Kotlin (and some legacy Java) while following modern architectural patterns (MVVM/MVI). UI/UX Implementation: Turn Figma designs into pixel-perfect layouts … Bring Experience: 1+ years of professional experience in Android development (internships count if they were high-impact!). Language Proficiency: Strong foundations in Kotlin and a solid understanding of Java. Android SDK: Familiarity with Activities, Fragments, Services, and Lifecycle components. Networking: Experience working with RESTful APIs using Retrofit ...

Android Software Engineer (Kotlin) Cheltenham/Hybrid 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, next-generation … 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 ...

people's money, and create experiences that make traditionally complex financial products feel simple. Your Impact Designing, building and running scalable backend systems using Kotlin and AWS Contributing to technical direction, team practices and architectural decisions Collaborating closely with product managers, designers and other engineers Mentoring junior engineers … tested, clean code Making smart trade-offs between speed, quality and risk to deliver customer value quickly Your Toolkit Strong backend engineering experience using Kotlin or Java in a production environment Passionate about building reliable, high-quality products — not just writing code Comfortable working on distributed systems with scale ...

Backend Engineer with deep expertise in JVM technologies to help scale and enhance their high-performance systems. There will be a requirement to use Kotlin moving forwards! This is an opportunity to work with modern architecture, collaborating with top-tier engineers in a fast-moving, product-focused environment. Responsibilities … team Stay curious about the wider engineering landscape and bring relevant insights back to the team Key Requirements Strong commercial experience in Kotlin or JVM technologies for backend development Confidence working with Spring Boot or Kotlin or Java to build robust microservices A passion for creating API-first ...

collaborating closely with Product and Design teams. What you'll be doing Leading technical direction across Android engineering Building scalable mobile applications using Kotlin and Jetpack Compose Driving best practices around architecture, testing, CI/CD, and performance Mentoring engineers and helping shape engineering culture Influencing long-term platform … strategy and technical decision-making What we're looking for Strong Android development experience with Kotlin Experience in a Lead, Staff, Principal, or similar engineering leadership role Strong knowledge of Jetpack Compose and modern Android architecture Experience driving technical decisions across teams Passion for high-quality engineering and mentoring ...

Android solutions, improving performance, and contributing to scalable mobile architecture within a collaborative agile environment. Key Responsibilities Design, develop, and maintain Android applications using Kotlin and modern Android frameworks Build high-quality, scalable mobile features following clean architecture principles Collaborate with product, design, QA, and Back End engineering teams … Participate in code reviews and technical solution design Troubleshoot, debug, and enhance existing applications Required Skills & Experience Strong commercial experience developing Android applications using Kotlin Good understanding of Android architecture patterns and Jetpack libraries Experience integrating REST APIs Knowledge of asynchronous programming (Coroutines, Flows, RxJava) Experience with CI/ ...

functional stakeholders Supporting delivery through modern CI/CD and cloud-native practices We’re particularly interested in people with: Strong JVM experience (Scala, Kotlin or Java) Experience with AWS and infrastructure as code Knowledge of event-driven systems and API design A strong testing mindset (TDD, CI/… Experience coaching and supporting engineers A pragmatic and collaborative approach to solving complex technical challenges The Tech Environment Includes: Java Kotlin, TypeScript, Python AWS, Kubernetes, Terraform GitLab CI/CD React, PostgreSQL, DynamoDB Prometheus, Grafana, OpenSearch Engineering Culture: Functional programming principles Automation and infrastructure as code TDD and high ...

outcomes for both customers and the wider business. What You’ll Be Doing Building and maintaining scalable, production-grade backend systems using Java or Kotlin Developing high-quality, maintainable code across a modern cloud-based architecture Collaborating with product and business stakeholders to turn commercial goals into clear technical … workflows, where they add meaningful value Requirements 4+ years’ experience as a Software Engineer or Backend Engineer Strong backend development experience with Java or Kotlin Solid understanding of frontend technologies such as React and experience supporting production-grade user-facing applications Experience working with databases such as PostgreSQL ...

suited to strong software engineers/software developer with experience in one or more of the following: C++, Rust, C#, Java, TypeScript, Android/Kotlin, or other modern software engineering stacks. Benefits £60,000 - £90,000 basic salary depending on experience Bonus Hybrid working and flexibility (2 days … Engineer, Full Stack Engineer, Mobile Engineer, or similar Strong ability in one or more modern programming languages such as C++, Rust, 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 ...

Engineering Manager or Tech Lead ready for your first Head of role. You’ll thrive here if you: Have a strong JVM background (Scala, Kotlin or Java) particularly using functional programming principles Possess a strong testing mindset with experience in TDD and CI/CD practices. Are experienced with … most of that resonates (even if your path has been unconventional) we’d love to hear from you. Our Stack Languages & Frameworks Scala, Kotlin, Typescript, Python Http4s, Http4k, Circe, Cats, Cats-Effect, Doobie, React, Exposed Testing Specs2, ScalaCheck Infrastructure & DevOps AWS (EKS, Lambda, RDS/Postgres, DynamoDB, SQS, Kinesis ...

Software Engineer - Java/Kotlin | Backend | Integrations Manchester (Hybrid - 2 days per week) | 6 month initial contract | £500-600pd inside IR35 | Immediate start A leading global digital platform is building a brand-new engineering team focused on transforming how third-party integrations are delivered at scale. This team … standards, tooling and ways of working from day one. What you'll be doing: Designing and developing backend services using Java and/or Kotlin Building and evolving REST APIs and integration services Creating scalable, reusable connectors for third-party providers Working with external APIs that cannot be directly ...

Mobile Developer | Tech for Good 🚀 💰Up to £85,000 per anum 🏡Remote working – once a month onsite in Epsom, Surrey 📱Swift, SwiftUI or Java & Kotlin experience We're partnering with a Tech for Good business, who are developing mission-critical mobile and cloud-based solution at scale across … mobile delivery in a safety-critical environment 📱 What they're looking for: Strong native mobile experience - iOS (Swift/SwiftUI) and/or Android (Kotlin/Java) Solid grasp of REST APIs, real-time app behaviour and authentication flows Quality-first mindset - testing, architecture, code reviews, performance Interest ...

more information on how we process your personal data, please refer to HCLTech’ s Candidate Data Privacy Notice. Role : Senior Vendor Software Engineer (Kotlin) DB require two senior, experienced Kotlin engineers to support and extend a cloud‐hosted platform used for bookbuilding issuances across Investment Banking Capital Markets. … team to maintain a high standard of code quality and system reliability. Location: London Required Skills • Strong commercial experience building backend services in Kotlin • Deep experience with XP practices, including: Mob programming as a primary way of working Test‐driven development (TDD) Continuous refactoring and clean code discipline • Cloud ...

Staff Software Engineer/Developer (Kotlin Java JVM) Hybrid WFH to £120k Would you like to progress your career in an impactful hands-on Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated management … with the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on Kotlin, SpringBoot and AWS backend with TypeScript, React and Next.js on the front end. You'll be hands-on with architecture, design and coding, including ...

Senior Software Engineer - Kotlin £550–£650 per day | Outside IR35 Hybrid | London (3 days onsite) A leading UK financial services organisation is seeking a Senior Software Engineer to play a central role in a large-scale platform transformation programme. The business is rebuilding a critical part of its digital … scale, with real ownership and direct exposure to architecture decisions from day one. Key Responsibilities as a Senior Software Engineer: Design and build Kotlin backend services for a new payments platform Own the architecture and design of key components, taking high-level requirements and turning them into structured, deliverable ...

across web and mobile. Tasks Responsibilities Execute & Manage Testing : Own the manual testing lifecycle for web (Vue.js/Rails) and mobile (Native Swift/Kotlin) applications. Shift Left : Participate in design and requirements sessions, clarifying how A/Cs are tested before a single line of code is written. … backend and the client devices. The Tech Environment: Management: TestRail, Jira. Web: Vue.js (Frontend), Ruby on Rails (Backend). Mobile: Native Swift (iOS) & Native Kotlin (Android) as well as React Native. Note: While our stack includes RSpec and Vue wrapper, this is a functional QA role. ...

expand the knowledge base Natural ability to quickly pick up and learn new technologies Any experience in Golang, Docker, CI/CD or Kotlin would be beneficial Ideally, you’ll have a GitHub and/or examples of personal programming projects Responsibilities for Graduate Software Developer Develop software solutions … status, veteran status, or disability status. Keywords: Computer Science/C/Java/Python/C#/JavaScript/Go/Golang/Kotlin/Docker/Programmer/Test Engineer/Software Engineer/Software Developer/Programming/Coding/programmer/Coder/BSc/ ...