Senior Android Developer - Kotlin

Join our dynamic team as a Senior Android Developer, where you will play a crucial role in the development and maintenance of innovative applications tailored for a wide array of Android devices. Your expertise will be instrumental in crafting exceptional Android applications while seamlessly integrating them with backend services. Collaborating closely with…

Who We Are Konrad Group is a pioneering digital consultancy committed to tackling intricate business challenges for our international clients through innovative and forward-thinking solutions. Our team thrives in a culture of creativity and dedication, producing top-tier digital products utilized by hundreds of millions of users globally. We seek exceptionally intelligent, analytical, and hardworking individuals who are passionate about continuous learning. About The Role In the role of Android Developer, you will engage in Android application development as part of a dynamic software development team. Your responsibilities will include contributing to the creation of both consumer and enterprise applications. This position is perfect for developers who possess strong technical skills and aspire to join a highly skilled and continuously evolving development team at Konrad Group. What You’ll Do Develop maintainable, testable, and efficient software in collaboration with our exceptional team. Engage in code reviews and conduct thorough testing to ensure the delivery of high-quality software. Explore new technologies and tools, sharing insights and findings with the team. Communicate clearly and effectively with all team members. Qualifications Proven experience in developing Android applications. Strong grasp of essential programming concepts and computer science principles. Comprehensive understanding of mobile application architecture, including interactions with server-side components. Fundamental knowledge of core mobile principles, including UI implementation, common development frameworks, and REST APIs. Proficiency in modern Android development, including Java and/or Kotlin, Android Jetpack, and design patterns such as MVVM and MVP. Excellent interpersonal skills, as teamwork and communication are vital. A proactive mindset with a commitment to delivering high-quality work. A passion for enhancing software development workflows and processes. Nice To Have Familiarity with functional reactive programming and ReactiveX frameworks is advantageous. Experience or understanding of modern networking approaches, such as GraphQL. Additional mobile development expertise, including iOS development with Swift or cross-platform development using React Native, Flutter, Ionic, Xamarin, or Cordova.

Join a leading Software Company in Redditch, Worcestershire, known for developing innovative ERP software solutions that are at the forefront of the market.With over a decade of experience in the industry and five successful years of operation, we are expanding our team and seeking a talented Android Developer.Key Responsibilities: As an Android Developer, you will take ownership of the entire development process for our Android applications, allowing you to innovate and implement your ideas. You will also have the opportunity to lead and grow a team as our mobile division expands.

Join SumUp as a Senior Android Engineer, where you'll play a pivotal role in developing our dynamic merchant-focused ecosystem. This is your chance to design and enhance high-impact solutions—such as Kiosks, Kitchen Display Systems (KDS), Customer Facing Displays (CFD), and POS peripherals—that support intricate retail and restaurant operations globally. In this position, you'll seamlessly integrate hardware and software, delivering exceptional experiences for millions of merchants and their clientele.Your Responsibilities:Lead the design and expansion of Android-based merchant solutions, specifically tailored for self-service Kiosks and specialized point-of-sale interfaces.Enhance and develop impactful features that elevate the experience for both merchants and consumers across a diverse range of products.Assist in our transition to Kotlin Multiplatform (KMP) to streamline business logic across various mobile platforms.Craft maintainable, accessible, and high-performing user interfaces utilizing Jetpack Compose.Enhance product reliability through the implementation of comprehensive testing frameworks and increased automated QA coverage for our hardware-integrated software.Work collaboratively with cross-functional teams to deliver integrated features that align with the requirements of global enterprise partners.Conduct code reviews, uphold architectural standards, and guide fellow engineers in the best practices for developing reusable UI components.

Role overview flohealth seeks a Senior or Lead Android Engineer based in London. The role focuses on developing and enhancing mobile apps that support users in managing their health. This position combines hands-on Android development with technical leadership responsibilities. What you will do Collaborate with designers, product managers, and fellow engineers to deliver new Android features and improvements Design, develop, and maintain Android applications, emphasizing usability and strong performance Influence technical decisions and contribute to the architecture of both new and ongoing projects Mentor junior engineers and share knowledge of best practices within the team Requirements Significant experience building and releasing Android applications Deep knowledge of Android frameworks and design patterns Comfort working collaboratively in cross-functional teams Background in mentoring or leading engineers is considered an advantage

Join a vibrant and innovative Software Company based in Redditch, Worcestershire, renowned for developing a leading ERP software product that sets the market standard.With over 10 years of product excellence and a solid foundation of 5 years as a company, they are expanding and are in search of an Android Developer to become a pivotal part of their team.Key Responsibilities: Take ownership of the Android project, overseeing full development and having the opportunity to lead and grow a team as the mobile division expands.

Our client is an innovative software company based in Redditch, Worcestershire, known for their cutting-edge ERP software solutions. Their products are highly regarded in the market, and they are on a growth trajectory.With a track record of five successful years in business and a product that has been thriving for over a decade, they are now seeking an Android Developer to contribute to their expanding team.Key Responsibilities:As an Android Developer, you will play a crucial role in the development of their mobile applications, taking ownership of the entire project lifecycle.Qualifications:A minimum of 3 years of experience in Android app development is required.Proficiency in Android SDK and familiarity with RESTful APIs and JSON.Experience with third-party libraries and APIs.A solid understanding of mobile development trends and emerging technologies.Knowledge of the complete mobile development lifecycle.Desirable: Familiarity with Java and C# is a plus.This position offers significant growth potential, particularly within the mobile division, and presents an opportunity for you to lead and develop a team as the business expands.The salary for this role is competitive, offering up to £40,000 per annum, depending on experience, along with benefits and ongoing certified training opportunities.If you're excited about this opportunity, we would love to hear from you! Please send us your CV, and we will get back to you within one day.

Our Story Welcome to Zopa! Since our inception in 2005, we have pioneered the peer-to-peer lending space, and in 2020, we proudly launched Zopa Bank. Our mission is to reshape the financial landscape by prioritizing our customers' needs and preferences. We are dedicated to creating a banking experience that is accessible, empowering, and innovative. Discover more about our exciting offerings at Zopa.com! We celebrate our remarkable achievements, thanks to our incredible team. Recognized not just for industry accolades, we have also been named among the top three Most Loved Workplaces in the UK. If you thrive on tackling unconventional challenges, embrace innovative thinking, and are motivated by the desire to make a significant impact, Zopa is the place for you. Join us and make a difference! Want to see our journey? Follow us on Instagram @zopalife.About the TeamWe are on an exciting journey to enhance our mobile application, and we are seeking a talented individual to assist in developing our new Android app, utilizing Kotlin.As part of our Mobile Platform team, you will be instrumental in shaping the app's architecture, shared capabilities, libraries, core experiences, and analytics infrastructure. The team is a vital contributor to Zopa’s mobile community and plays a key role in advancing our mobile technology.With an aspiration to become Britain's leading bank, we have recently unveiled the Zopa Account — a highly engaging product aimed at the mass market. Our mobile app serves as the primary touchpoint for our customers, and it must be high-performing, dependable, and user-friendly. Therefore, we are investing significantly in the quality and evolution of our mobile technology.Currently, our app is developed using React Native, but we are progressively adopting native capabilities in Swift and Kotlin. We are in the midst of a comprehensive transformation of the Android experience, transitioning towards a more native approach, and we invite you to join us on this exciting journey.

Join a thriving Software Company based in Redditch, Worcestershire, that is at the forefront of developing a market-leading ERP software product. Our client's innovative solutions have been transforming industries for over a decade, and they are now looking for an Android Developer to contribute to their exciting journey.With a solid foundation built over five successful years, this company is experiencing rapid growth and is eager to expand its talented team.As an Android Developer, you will play a pivotal role in the full development lifecycle of the Android project, allowing you the opportunity to make a significant impact and shape the future of their mobile division.

Join Our Team as an Android Developer!Location: London (E1)We are a pioneering dating app company on the lookout for exceptional iOS and Android developers to join our dynamic team.As a forward-thinking tech start-up, our product is at the heart of what we do. We adopt a unique agile methodology that allows us to release updates and iterate quickly, delivering new features to our users an impressive average of twice a week.We pride ourselves on innovation, having launched several industry-first features such as Selfie Verification, Likes You as standard, Change Swipe, and more. Our exciting roadmap promises even more groundbreaking developments in the future.

Join xAI as a Senior Android Engineer, where you'll collaborate with a dynamic team dedicated to developing groundbreaking AI applications that enhance user experiences. You'll be instrumental in crafting innovative mobile solutions that seamlessly integrate advanced technology with user-centric design, ensuring our products resonate deeply with users.

Motorway is looking for a Senior Android Engineer to join the team in London. This role centers on developing and refining mobile applications that help both the business and its users. Daily work brings close collaboration with designers, product managers, and fellow engineers to deliver reliable, user-friendly Android features. Key responsibilities Design, build, and maintain Android applications for Motorway Partner with cross-functional teams to launch new features and enhance existing ones Take part in architectural decisions, code quality discussions, and user experience improvements Collaboration and impact This position involves regular teamwork across disciplines, ensuring that the Android experience aligns with Motorway’s goals and user needs. Input on architecture and user experience is valued at every stage. Location The role is based in London.

About Tripadvisor The Tripadvisor Group is dedicated to connecting travelers with experiences that are truly worth sharing. Our mission is to be the world’s most reliable source for travel information and experiences. Using our innovative brands, advanced technology, and extensive capabilities, we link our global audience to partners through engaging content, travel insights, and dynamic marketplaces for accommodations, activities, dining, and various travel categories. Tripadvisor, Inc. (Nasdaq: TRIP) oversees a diverse portfolio of travel brands, including Tripadvisor, Viator, and TheFork. About the Role We are seeking a talented Software Engineer II (Android) to join our rapidly expanding mobile team. This position is available to candidates who are within a commutable distance (generally within 2–3 hours) of our office hubs in Oxford or London. We value a flexible work environment while cherishing meaningful in-person interactions for collaboration. Expect a remote-first working model with occasional in-person gatherings at your nearest office for team alignment, planning, and other significant events. At Tripadvisor Experiences, we foster a friendly and engaging atmosphere where our primary goal is to accomplish tasks effectively. Our engineers collaborate closely with product managers and designers, engaging in every stage of the development process from design to deployment and feedback. Most of our engineers are involved in releasing code to production every few days, supported by a daily release cycle. What You'll Do As a member of Tripadvisor Experiences, our engineers are adaptable problem-solvers ready to tackle a variety of technical challenges. This full-stack role primarily focuses on Android development, with opportunities for backend projects as well. You don’t need to be an expert in every area; if you’re enthusiastic about learning, we’ll provide the support you need to enhance your skills. Our technology stack includes Kotlin, Coroutines, Jetpack Compose, Cursor, and GraphQL, organized in a modular layout following the clean architecture principles with MVVM. Write code! Our engineers prioritize their passion for coding and do what they excel at. Engage with code at all levels – while the primary focus is on app development, you will also have chances to work on backend microservices. Collaborate closely with Product and Design teams to create user-centric solutions.

Join Our Team as an Android Engineer!At Sporty, we are on the lookout for a talented Android Engineer who is passionate about leveraging cutting-edge technologies and frameworks to create exceptional user experiences for our extensive user base.Our Technology Stack:Languages: Java, KotlinArchitecture: MVVMNetworking: Retrofit, OkHttp, Protocol BuffersDependency Injection: Dagger 2CI/CD: JenkinsOther Tools: Android JetPack, Glide, Git, ExoPlayerYour Role:Collaborate with Product Managers, Designers, and Backend Engineers to design and deliver high-quality Android products.Develop end-to-end app features including networking, persistence, business logic, and user interface.Create efficient and reusable mobile components and architect reliable, scalable solutions.Identify areas for improvement and advocate for mobile best practices.Analyze and optimize application code for quality and performance.Mentor junior team members to enhance their skills.

Collaboration Fuels Our Innovation. Roku is Transforming Television ViewingAs the leading TV streaming platform across the U.S., Canada, and Mexico, Roku aims to revolutionize how viewers engage with their televisions globally. Pioneering the concept of streaming, our mission centers on creating a cohesive TV ecosystem that connects viewers to their preferred content, empowers content creators to build substantial audiences, and offers advertisers unprecedented engagement opportunities.From day one at Roku, your contributions will be valued, as we are a dynamic public company that thrives on your active participation. Join us to delight millions of global streamers while gaining invaluable experience across diverse disciplines. About the RoleIn the role of Senior Software Engineer, Android on the Roku Mobile App team, you will influence how millions of users interact with their Roku Streaming Devices. Your focus will be on developing intuitive, robust, and high-performance Android applications that enable users to manage their Roku devices seamlessly from TVs to Players and beyond.This position allows you to work with a cutting-edge tech stack, including Kotlin, Compose, and Google's latest frameworks. You will collaborate closely with design, product, and cross-functional engineering teams to innovate features, enhance performance, and streamline smart home interactions.We seek individuals driven by curiosity and initiative, who are excited to take ownership of features while fostering a collaborative team environment. About the TeamYou will become part of a talented, high-performing team known for delivering outstanding results. We are searching for someone who can help us maintain this momentum and continue producing high-quality applications as we expand.Given our global user base, we have built a reputation for products that function seamlessly right out of the box. This success is intentional, as we are dedicated to ensuring our products are not only intuitive but also obvious to use. What You’ll Be Doing

Join Our Team!About the RoleWe are on the lookout for a talented Senior Android Software Engineer to be a key player in our Unified Modules team. This position is nestled within the Core Products and Experiences domain, where you will be tasked with the development and enhancement of a suite of SDKs and libraries utilized by various teams across FanDuel Technology. This team is highly visible and is working on pivotal initiatives within the organization.We seek engineers who not only possess technical prowess but also demonstrate empathetic communication and a strong commitment to continuous improvement. The ideal candidate will be skilled at proposing practical solutions, adept at breaking down tasks into manageable, iterative deliveries, and enthusiastic about learning and mentoring others. As part of this dynamic team, you will contribute to the development of libraries for Android, with opportunities to engage in iOS and Web projects as well. Your technical insights will empower teams across the organization to leverage our SDKs effectively and reliably.As a growth-oriented company, we offer ample opportunities for professional development and upward mobility.

Join Freetrade as a Mid-Level Android EngineerAt Freetrade, our mission is clear: to simplify investing and make it accessible for everyone. For too long, investing has been an intricate and costly endeavor, preventing millions from maximizing their savings. We're here to change that narrative.As we expand our team, we are on the lookout for individuals passionate about transforming how our customers invest and build their wealth. If you thrive on tackling complex challenges and are eager to develop innovative products, you will find your place with us.With an exciting year ahead, 2026 marks a significant milestone for us. Following our landmark partnership with IG Group, we will maintain our independence while benefiting from the support of an established leader in the industry.This year, we are accelerating our development plans and enhancing our product offerings, introducing features such as mutual funds, bonds, and family investment tools. Additionally, we are exploring the integration of AI to elevate our customers' experience.If you are eager to expand your technical expertise, contribute to innovative products, and work in a dynamic environment that embraces creativity and experimentation, this opportunity is tailored for you!Why Join Our Engineering Team?Become a vital part of a forward-thinking team that is redefining the investment landscape. As an engineer, you will be instrumental in developing and maintaining a resilient, scalable platform utilized by thousands daily. We address complex technical challenges, foster innovation, and create impactful solutions. Your code will not just operate; it will influence investment decisions across the UK.The Freetrade Android mobile application empowers customers to explore investment opportunities across the UK, US, and EU financial markets.We are seeking a skilled Android Mobile Engineer to join our dynamic team.The ideal candidate will possess a solid understanding of the Android mobile platform, demonstrate problem-solving abilities, and have a strong desire to enhance their skills within a collaborative team environment.This is a unique chance to collaborate with experienced mobile engineers across iOS and Android, fostering the development of your skills.As part of our dedicated mobile engineering team, you will implement new features and ensure high levels of customer satisfaction by addressing queries and feedback. Collaborating with design, product, and QA teams, you will craft exceptional user experiences that delight our customers.

Join our innovative team at bjakcareer as an Android Software Engineer where you'll have the opportunity to work on cutting-edge mobile applications that enhance user experiences and drive business success. You will collaborate with cross-functional teams to design, implement, and maintain high-quality Android applications. Your contributions will play a vital role in shaping the future of our mobile solutions.

Role overview Speechify is seeking a Tech Lead to join the Android Core Product team in Bristol, United Kingdom. This position leads a group of engineers focused on designing and building Android applications with a strong emphasis on quality and user experience. What you will do Mentor and guide engineers working on core Android products Shape the technical direction and architecture of Android applications Drive improvements and ensure the delivery of reliable, high-quality features Work closely with product and design teams to deliver solutions that align with user needs Requirements Demonstrated experience leading teams in mobile technology Proven track record delivering Android products Ability to guide teams through complex technical challenges

Join us at Engine by Starling, where we are excited to partner with forward-thinking banks globally, empowering them to establish high-growth businesses using our cutting-edge technology.Engine operates as Starling's innovative software-as-a-service (SaaS) division, developed to fuel Starling's growth. Recently, we have transitioned into an independent entity, continuing to deliver exceptional software solutions.Starling has achieved remarkable success, largely due to our proprietary technology developed from the ground up. This robust SaaS platform is now accessible to banks and financial institutions worldwide, allowing them to leverage the pioneering digital features and streamlined back-office operations that have contributed to Starling's achievements.Our engineering team is the heartbeat of Engine, thriving in a dynamic environment focused on creation, innovation, and disruptive technology that keeps us at the forefront of the fintech landscape. We foster a flat organizational structure that empowers you to make impactful decisions, regardless of your role. Collaboration and support are woven into our culture, ensuring you're never alone on this journey!To excel at Engine, we seek proactive individuals who take ownership of their responsibilities—from development and design to knowledge sharing and optimizing processes for superior customer outcomes. Our core values—Listen, Keep It Simple, Do The Right Thing, Own It, and Aim For Greatness—guide our mission.Hybrid WorkingWe embrace a hybrid working approach at Engine, preferring candidates who can commute to our Cardiff office for collaborative in-person interactions.About Engineering at Engine by Starling - Explore our engineering careers