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Job Summary: We are seeking a highly skilled Lead Android Developer to lead the design, development, and deployment of advanced Android applications. The ideal candidate will have strong expertise in Android development, modern mobile architectures, and experience in leading teams to deliver scalable and high-performance mobile solutions. Key Responsibilities: • Lead the end-to-end development of Android applications from concept to release., • Design and implement scalable, secure, and high-performance mobile architectures., • Collaborate with product managers, designers, and backend teams to define requirements and deliver features., • Write clean, maintainable, and efficient code following best practices., • Conduct code reviews and mentor junior developers., • Ensure application quality, performance, and responsiveness., • Identify and fix bugs, performance issues, and technical bottlenecks., • Stay up to date with the latest Android trends, tools, and technologies., • 8+ years of experience in Android application development., • Strong proficiency in Kotlin and/or Java., • Experience with Android SDK, Android Studio, and Jetpack components (LiveData, ViewModel, Navigation, Room)., • Strong understanding of mobile architecture patterns (MVC, MVP, MVVM, Clean Architecture)., • Experience with RESTful APIs, JSON, and third-party integrations., • Knowledge of version control systems like Git.

A growing software business is hiring a Software Engineer to support continued growth and rising demand for its platform. Software Engineer Remote | Up to £60,000 | Java or Kotlin | Spring Boot This is a back-end focused role, ideal for an engineer who enjoys building reliable, scalable applications and wants to work on software used by well-known customers. You will be involved in the design, development and delivery of new features, as well as improving core products in a fast-moving environment. The role is fully remote, with the option to attend the Newbury office around once a month if desired. What you will be doing • Developing back-end applications using Java or Kotlin, • Building software with Spring Boot, • Designing and delivering new features, • Enhancing existing products and platform capability, • Working across the full software development lifecycle, • Supporting QA and UAT feedback through to release, • Collaborating with project, account and delivery teams to understand requirements and turn them into practical solutions, • Writing clean, maintainable, high-quality code What they are looking for • Strong commercial experience in software engineering, • Good hands-on experience with Java or Kotlin, • Strong experience with Spring Boot, • A back-end development background, • Experience building scalable systems in a modern development environment, • Strong problem-solving skills and attention to detail, • Ability to work independently in a remote setup Nice to have • Microservices experience, • Docker or Kubernetes, • RabbitMQ or other messaging tools, • MongoDB or other NoSQL database experience, • Experience in telecoms, billing or transaction-led systems Package • Up to £60,000, • Remote working, • Optional monthly office time in Newbury, • 24 days holiday plus birthday off, • Private medical, • Life assurance, • Critical illness cover, • Employee assistance programme, • Contributory pension Apply now or contact Chris Lynes at Spectrum IT Recruitment

📱 Mobile Application Developer | Building the Future of Mobile !! IMMEDIATE JOINERS !! Junior Android Developer Location : London Work mode : Onsite Experience: 2–5 years CITIZEN & DEPENDENTS Are you a mobile enthusiast who lives for clean code and smooth UI transitions? We are looking for a Junior Android Developer with 1+ years of professional experience to join our engineering team. At this stage in your career, you’ve moved past "Hello World" and are ready to tackle real-world scalability, complex APIs, and the occasional Gradle headache. If you’re eager to learn from seniors while making a tangible impact on a product used by thousands, let’s talk. 🛠️ What You’ll Do • Feature Development: Collaborate 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 using Jetpack Compose or XML., • Bug Squashing: Identify, debug, and fix performance bottlenecks and edge-case crashes., • Continuous Learning: Participate in code reviews, contribute to technical documentation, and stay up-to-date with the latest Android Jetpack libraries. ✅ What You 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 and handling JSON data., • Tooling: Proficiency with Git and a working knowledge of Android Studio., • Mindset: A "can-do" attitude and the humility to ask for help when a bug just won't budge. 🌟 Bonus Points if You Have: • A published app on the Google Play Store (send us the link!)., • Experience with Dependency Injection (Hilt/Dagger)., • Familiarity with Coroutines and Flow for asynchronous programming., • A passion for Material Design 3. 🚀 Why Join Us? • Mentorship: Work directly with Senior Developers who actually enjoy teaching., • Tech Stack: We stay on the cutting edge—no ancient legacy codebases here., • Growth: A clear path to becoming a Mid-level Developer within [Timeframe]., • Perks: [Insert Perks: e.g., Remote-first culture, Learning stipend, Health benefits].

Job Title: Android Developer Location: UK Experience: 2–5 years Education: Bachelors in Science (IT/Computer Science/Engineer) Employment Type: Full-Time Information Tech Consultants Ltd (ITC) is a London-based mobile app development consultancy, specializing in Android, iOS and cross platform solutions. With over 35,000 mobile development hours accumulated and clients across the UK, it’s safe to say we know apps well! Each of our practice areas leverages specialized expertise, methodologies, and software to ensure that we deliver the most beneficial solutions to our clients. Roles and Responsibilities: • Design, develop, and maintain Android applications., • Collaborate with cross-functional teams to define, design, and ship new features., • Troubleshoot and debug applications to optimize performance., • Ensure the quality of the applications through unit testing and code reviews. Required Skills: • Proficiency in Java/Kotlin. JavaScript and Android SDK., • Experience with RESTful APIs and third-party libraries., • Familiarity with version control systems like Git., • Understanding of mobile UI/UX Designs. Qualifications: • Bachelor’s degree in Computer Science or related field., • Previous experience in Android Development is preferred.

About Kerno Kerno is building the validation engine for AI-native backend development. As AI agents like Cursor and Claude Code become central to how developers write code, the need for fast, reliable validation grows with it. Kerno automatically generates, runs, and maintains validation tests (covering integration, performance, security, and resiliency) directly in the IDE or CLI, catching breaking changes and unintended side effects before code is merged. We're a small, remote and fast-moving team solving a hard problem at the intersection of developer tooling, code analysis, and AI. The Role We're looking for a Staff AI Backend Engineer to help shape the core of our product. You'll work across the stack, from the validation and test generation agents to the backend platform and infrastructure. This is a high-impact role where your decisions directly affect the product our users rely on every day. What You'll Do • Design and build core components of Kerno's validation engine, code indexation, test generation and execution, • Work building AI agents that are in charge of test generation and code analysis, • Build and improve the platform layer local and/or remote environment orchestration, • Own features end-to-end: scoping, design, implementation, testing, and rollout, • Collaborate closely with the founding team on technical direction and architecture, • Help extend language and framework support as we grow beyond our current stack, • Contribute to the reliability and performance of a system that developers depend on for fast feedback What We're Looking For • 8+ years of professional backend development experience, with strong proficiency in Kotlin (or another JVM based language), • Experience designing and building distributed systems or complex backend services, • Comfortable working with multiple languages, we use whatever is the best tool for the right solution, • Strong understanding of testing methodologies, CI/CD pipelines, and developer tooling, • Experience with or strong interest in AI agents development, • Familiarity with containerization and local environment orchestration (Docker, etc.), • Experience working with databases, • Ability to work autonomously in a remote environment and communicate clearly in writing, • Experience building developer tools, IDE extensions, or CLI tooling, • Experience with message brokers (Kafka, RabbitMQ), • Familiarity with LLM APIs and prompt engineering in production contexts, • Experience at an early-stage startup Why Kerno • Hard problems: You'll work on code analysis, AI-powered test generation, and real-time validation. This isn't a simple CRUD API., • High impact: Small team, direct influence on product direction and architecture, • Remote-first: Work from wherever you do your best work, • Quarterly off-sites: Meet your colleagues in person once a quarter, • AI-native: We're not adding AI as an afterthought. It's core to everything we build., • Growing market: AI assisted development is exploding. The need for validation tooling is growing with it.

Job Description: iOS Engineer at everyLIFE Position Type: Permanent. Location: UK-based Remote. Head Office located in Farnborough, Hampshire. Benefits include: 25 days holiday + 3 additional days over Christmas, early finish Friday, private medical insurance, life insurance, Cycle-scheme, free non-fiction book scheme. Working Hours: Full time Following the successful launch of PASSgenius™, our cutting‑edge suite of AI, data, and automation tools, we’re entering an exciting period of rapid growth. To accelerate what comes next, we’re searching for a full‑time iOS Engineer to join our fast‑moving, feature‑rich app team. The Role • Be part of a team of highly skilled engineers to deliver polished features on consistent basis in a high pace environment. We deploy code every two weeks to thousands of users., • Directly responsible for the development and deployment processes – make sure that the features are shipped optimally, and product stays healthy once they hit production., • Design, review, write and test code. This is hands-on engineering role, and you will be directly involved in the design and development of new features, writing, reviewing and testing code., • Insist on the highest standards and create functional and engaging features that will delight our users., • Provide feedback to teammates to make your team the best version of itself. Desired Skills • Bachelor’s degree in Computer Science or related field, or equivalent experience, • 4+ years of experience with iOS mobile app development, • Good working knowledge of iOS platform, Swift, GRDB, SwiftUI, Combine, • Good communication skills and the ability to work effectively in a remote team environment, • Attention to details – any code that makes it into the product directly impacts the lives of people being cared for, • Strong computer science fundamentals in object-oriented design, algorithms and data structures, • Self-starter, analytical and creative, • Strong team player with a positive attitude, • Experience writing clean, testable, high-quality code, • Good understanding of object oriented and SOLID principles, and clean code architecture, • Experience writing apps using The Composable Architecture, • Good experience with writing unit tests, • Familiar with git and/or git-flow, Bitbucket, JIRA, Confluence, Bitrise, Bugfender Bonus • Experience in Agile methodologies such as Scrum or Kanban, • Good knowledge of test automation using XCUITest, • Good understanding of material design and offline first UX/UI, • Knowledge of Android platform, Kotlin, Room, Coroutines, Koin Our mission is to create effective tools and services that release the potential of care teams. Established in 2014, everyLIFE Technologies is a fast-growth SaaS provider primarily to the UK social care market. We exist to support care services to be the best that they can be. We design, build, release, manage and support software and mobile applications that are crucial parts of the care being given to tens of thousands of people across the UK. We must get it right, every day! Our ideal teammates are thoughtful, humble, curious, achievement-oriented professionals who can both zoom into the details and zoom out to embrace the big picture. We are customer-led and always aim for the highest standard. We believe in being transparent in all our dealings; acting fairly, openly, and honestly in everything we do. Please note that this is a UK based role, and we are only able to accept applicants with the right to live and work in the UK without the need for sponsorship. If you are on a visa and interested in applying for this role, please contact us for further information. If you have any questions, please email Due to the high volume of applicants that we receive, we cannot always guarantee that you will receive a response.

Sports Senior Software Platform Engineer (Multiple roles, various seniority) | Sports Data We're also looking for PhD Sport Researchers, Quantitative Sports Modellers & Sports ML Experts We’re helping several sports data leaders, specialised in turning complex sporting datasets into actionable insights that drive smarter, evidence-based decision-making. Each team combines technical expertise with a genuine passion for sport, ensuring that the insights they deliver are both rigorous and practical. Build high performance trading and analytics platforms for the future of sports! Basketball, F1, Tennis, Horse Racing, Football (Soccer) and so much more... Essential Skills (Across the court/ track/ ground/ pitch): • Strong programming exposure with Go/ Golang or similar (such as Rust, Java, Kotlin, Python, C#, C++ etc), • Understanding of AWS to build pipelines., • Understanding of high-performance machine critical systems; ideally a sports trading platform or similar (financial trading/ banking/ air traffic platforms etc), • Strong problem-solving mindset with an analytical, systems-focused approach Bonus skills (100-point game, hat-trick, podium finish, Grand Slam): • Proven success with sports data/ the sports trading domain, • Genuine passion for sports and a curiosity-driven approach to understanding sports data Day-to-Day Duties (Throughout the venue): • Design, develop and analyse multiple high-performance sports trading and analytics platforms, whilst enabling global sports data to connect to it simultaneously, • Work with wider teams to add features, improve performance and increase reliability, • Contribute to CI/CD, security and long-term technical direction, • Innovate internal research projects exploring new metrics, analytical methods and applications of sport data Benefits (Beyond the match/ race/ game/ track): • An impact from day one, • Shape the future of sports technology, • Direct involvement with sport and the chance to apply tech to the real-world sporting calendar, • Creative freedom to experiment and innovate, • Supportive, collaborative culture that encourages learning and growth, • A vibrant team culture with a shared passion for sports, • Access to the latest tools and technologies, • Collaborative, flexible, remote first & hybrid working models, • Industry leading packages (competitive salary & bonus), plus an endless list of benefits.

Kotlin Developer - Contract (Outside IR35).

An innovative fintech company in London seeks a Lead & Senior Software Engineer to drive product development and shape the future of digital finance.You'll be the technical heartbeat of the team, building scalable business products and leading a culture of collaboration.The ideal candidate has exper

The ideal candidate has strong experience in Java or Kotlin and Spring Boot to build reliable, scalable applications.

Candidates should have experience in JVM-based languages, particularly Kotlin, and familiarity with Agile practices.

The ideal candidate will have over 4 years of experience, proficient in Kotlin and Android development.

The successful candidate will have at least 2 years of experience in Android development using Kotlin and be familiar with cloud messaging APIs and micro-services.

A dynamic fintech company in Greater London is seeking a Senior Backend Engineer to enhance their payment management platform.This role requires over 6 years of backend engineering experience, ideally with JVM-based languages and cloud platforms.Responsibilities include collaborating with cross-func

Ideal candidates are proficient in Kotlin and Jetpack Compose, possess strong product intuition, and have experience in architecting production apps.

The ideal candidate will have at least 5 years of experience in Java or Kotlin and a passion for customer-oriented solutions.

The role involves hands-on work across the Android stack using Kotlin and contributes to a modern consumer product. Candidates should have at least 5 years of commercial Android experience and a deep knowledge of Kotlin.

This internship offers hands-on experience with backend systems, specifically in Kotlin, enabling users to make secure deposits and withdrawals.

A leading cashless payment solutions firm in the UK is seeking a backend developer proficient in Kotlin.

This role involves native mobile app development using Swift and Kotlin, collaborative work for feature alignment, and real-time data synchronization with backend APIs.

A financial technology startup in the United Kingdom is seeking a Backend Developer to build secure and performant solutions using Kotlin or Java.

Ideal candidates should have strong experience in Android development with Kotlin, and knowledge of modern architecture approaches such as Jetpack Compose and MVVM.

The role requires strong expertise in Kotlin and Android SDK, with responsibilities including designing and maintaining Android applications, collaborating with various teams, and ensuring code quality.

A leading fintech company in Greater London seeks a Staff/Lead Kotlin Engineer to drive innovative solutions within a high-performing team. The ideal candidate will possess strong Kotlin or JVM-based experience, with a knack for mentorship and a passion for clean, elegant code.

This role focuses on Java and Kotlin components, contributing to CI/CD practices and collaborating with stakeholders.

A dynamic software company in Greater London is seeking an exceptional Android developer to create and maintain native applications using Kotlin and modern Android technologies. The ideal candidate will thrive in a fast-paced Agile environment and should possess strong skills in Kotlin, Git, and And

A strong background in software development using Java, Kotlin, or similar.

Ideal applicants will have strong experience with Kotlin and mobile application development.

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 an environment that nurtures skills and helps you realize your potential.Our team is key to our success.We value col

A leading European private bank in London is seeking a Java/Kotlin Developer for their Digital Assets platform. Proficiency in Java/Kotlin, Spring Boot, and strong German and English skills are required.

The role requires over 6 years of experience and proficiency in JVM-based languages, especially Kotlin.

A leading tech company in London is seeking a Contract Senior Java / Kotlin Engineer to develop JVM applications using TDD and Pair Programming. Candidates should possess over 5 years of experience with Java or Kotlin and a strong foundation in agile development practices.

Candidates must have extensive experience with Android development, Kotlin, and Java.

A leading technology consulting firm in the UK is seeking a Senior Kotlin Developer to design and build high-performance backend services for a global financial leader. The ideal candidate has profound Kotlin expertise, experience with Kubernetes, and solid knowledge in relational databases like Ora

We primarily use Jvm based languages (Java/Kotlin) but we also have parts of the platform that use other languages as needed.

The role involves developing new product features using Kotlin and Java, within a flexible and collaborative environment.

The engineer will develop coding benchmarks and validate mobile applications using Kotlin. Ideal candidates should have experience in Android development, particularly with Kotlin, and possess strong communication skills.

The role involves engineering microservices in Kotlin/Java and React, developing APIs, and writing infrastructure code on AWS.

This opportunity also presents the chance to learn Kotlin in a fast-growing environment that values engineering best practices.

A leading technology company in the UK is looking for Kotlin developers of all experience levels to join long-term greenfield projects with major financial institutions in London. Ideal candidates possess strong Kotlin skills and a hands-on mindset, and they will deepen their expertise in a friendly

In this role, you will design and develop applications using Kotlin, implement best engineering practices, and lead migrations to modern architecture.

Strong Kotlin skills, with depth in modern engineering practices (TDD, clean code, SOLID principles). We’re looking for several Kotlin developers, from experienced seniors to hands-on principal engineers, to join long-term greenfield projects with leading financial institutions in London. You’ll

Ideal candidates are well-versed in Kotlin and Android development and bring a product-focused mindset.

Candidates should have over 5 years of commercial Android development experience, strong skills in Kotlin and Kotlin Multiplatform, as well as proven experience with Jetpack Compose, Coroutines, and Flows.

Candidates should have strong experience with Kotlin and Coroutines, Jetpack Compose, and JUnit/Espresso.

The role requires over 5 years of Android experience, proficiency in Kotlin, and strong understanding of Coroutines, alongside skills in automated testing and CI/CD.

A tech company is looking for a Contract Senior Java / Kotlin Engineer to work on-site either in Spitalfields, London or Leeds. The candidate should have over 5 years of experience in Java or Kotlin, alongside practical TDD experience and agile development skills.