176 to 200 of 217 Kotlin Jobs

feature having it's own dedicated module. There's a combination of unit, UI and Integration tests on the project, especially on newer features. We're starting to use Kotlin Multiplatform to share code with our iOS app , which is already using Swift, with SwiftUI. This is the right opportunity for you if you have: 2+ years leading a … team of engineers 5+ years commercial experience with Android development Strong grasp of the Kotlin language Experience using Kotlin Coroutines and Flows Experience with automated testing and continuous delivery Ability to describe solutions and their architectural tradeoffs Excellent verbal and written English communication skills Part of a fast growing company where you will have real responsibility and autonomy More ❯

each feature having it's own dedicated module. There's a combination of unit, UI and Integration tests on the project, especially on newer features. Were starting to use Kotlin Multiplatform to share code with our iOS app , which is already using Swift, with SwiftUI. This is the right opportunity for you if you have: 2+ years leading a … team of engineers 5+ years commercial experience with Android development Strong grasp of the Kotlin language Experience using Kotlin Coroutines and Flows Experience with automated testing and continuous delivery Ability to describe solutions and their architectural tradeoffs Excellent verbal and written English communication skills Part of a fast growing company where you will have real responsibility and autonomy More ❯

Principal Android Developer - Java/Kotlin/TDD Java, Kotlin, REST APIs, Clean Architecture, RxJava Salary up to £80k Manchester City Centre For more information, please email me directly at or call on 07880 358 148 . Who We Are: We're a collaborative and fast-paced tech team focused on delivering high-quality, user-centric mobile solutions. … of our Android offering, mentor fellow developers, and lead by example when it comes to clean architecture and modern development practices. You should have excellent skills in Java and Kotlin , as well as a solid understanding of REST APIs , JSON , and TDD/BDD workflows. Experience with tools and frameworks such as Retrofit , Dagger , RxJava , OkHttp , and Espresso is … me on 07880 358 148 . By applying, you consent to us processing your details for this vacancy only. We look forward to hearing from you! Key Skills: Java, Kotlin, Android, REST APIs, RxJava, Retrofit, Clean Architecture, TDD, Dagger, OkHttp, BDD, Mobile Development, Agile More ❯

Principal Android Developer - Java/Kotlin/TDD Java, Kotlin, REST APIs, Clean Architecture, RxJava Salary up to £80k Manchester City Centre For more information, please email me directly at or call on 07833 460 873 . Who We Are: We're a collaborative and fast-paced tech team focused on delivering high-quality, user-centric mobile solutions. … of our Android offering, mentor fellow developers, and lead by example when it comes to clean architecture and modern development practices. You should have excellent skills in Java and Kotlin , as well as a solid understanding of REST APIs , JSON , and TDD/BDD workflows. Experience with tools and frameworks such as Retrofit , Dagger , RxJava , OkHttp , and Espresso is … me on 07880 358 148 . By applying, you consent to us processing your details for this vacancy only. We look forward to hearing from you! Key Skills: Java, Kotlin, Android, REST APIs, RxJava, Retrofit, Clean Architecture, TDD, Dagger, OkHttp, BDD, Mobile Development, Agile More ❯

Backend Software Engineer/Developer (Java 17 Kotlin AWS) London/WFH to £85k Are you a technologist Backend Software Engineer with strong Java skills looking to progress your career, working with a modern cloud based infrastructure and a range of technology? You could be joining a hugely successful and growing commodities trading firm that specialise in trading silver … features. There's an emphasis on code quality; designing and developing highly complex web based trading platforms working across the full development lifecycle. The technology stack includes Java 17, Kotlin, Spring Boot and AWS amongst others; you'll be encouraged to expand your skillset using the latest technologies and choosing the best tool for the job in a friendly … above gained in Computer Science (or similar STEM discipline) from a top tier university (e.g. Russel Group) backed by A's at A-level You have strong Java and Kotlin development experience You have experience with Agile processes and TDD You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms Other tech More ❯

I’m working with a small but rapidly growing, start-up company on a mission to revolutionise the airline industry. They are currently recruiting for Kotlin Developers on a fully remote basis, although they do meet up in London once every 4-6 weeks. This role will be a fully hands-on position, where you will find yourself joining … in the airline space, such as RyanAir, EasyJet, British Airways, and American Airlines, and have been backed by some very influential figures. You will find yourself writing code in Kotlin for their API based systems, and will work across the full SDLC, including architectural and design discussions. You will be collaborating in defining, building, iterating, and testing core products … including building new features for their API based product. The technology you will be using consists of Kotlin as the main language and a Spring/Springboot Microservices architecture, which is hosted on AWS. You will be working on improving and building the solutions with a team of like-minded and creative developers. Tech stack: Kotlin, Spring, Java More ❯

to get stuck into a variety of engineering problems, mainly focussing on backend development. Examples include cloud solutions written in Go running on Docker, custom Android application development using Kotlin, DevOps work improving our CI/CD pipeline, and more. Responsibilities Implement high-quality software solutions in Golang and Kotlin Utilise test-centric design to ensure highly testable More ❯

understand needs and deliver reliable solutions. Required Skills: Strong experience as an iOS Engineer, building and maintaining SDKs. Solid understanding of Swift and Objective-C. Exposure to Android development (Kotlin/Java) - even at a secondary level. Experience working in GCP (Google Cloud Platform) environments. Excellent collaboration and communication skills. Nice to Have Experience with: BigQuery Kotlin, Java More ❯

value experience in some of the following areas, not necessarily all: Writing readable, well-designed, and well-tested software 5+ years of experience in building Android applications at scale Kotlin and/or Java expertise Scaling Android architecture 3+ years using Android development tools like Android Studio Working in cross-functional teams Knowledge of Android SDK and AndroidX Interest … in Kotlin development Workplace & Diversity At Deliveroo, people are our heart. We prioritize their welfare and offer benefits across health, family, finance, community, and growth. We embrace diversity, welcoming all backgrounds and identities. All you need is a passion for food and a desire to be part of a fast-growing startup in an exciting space. Benefits include: Competitive More ❯

value experience in some of the following areas, not necessarily all: Writing readable, well-designed, and well-tested software 5+ years of experience in building Android applications at scale Kotlin and/or Java expertise Scaling Android architecture 3+ years using Android development tools like Android Studio Working in cross-functional teams Knowledge of Android SDK and AndroidX Interest … in Kotlin development Workplace & Diversity At Deliveroo, people are our heart. We prioritize their welfare and offer benefits across health, family, finance, community, and growth. We embrace diversity, welcoming all backgrounds and identities. All you need is a passion for food and a desire to be part of a fast-growing startup in an exciting space. Benefits include: Competitive More ❯

Mobile Developer | Kotlin | Swift | iOS | Android | AI | Hybrid | London | £40,000 - £45,000 Are you an ambitious developer ready to embrace AI? Want to work for a rapidly growing company whose AI product is set to take the travel industry by storm? Method Resourcing have partnered with an up and coming B2B business who are innovating for tourism and … ideas. The perfect balance of support and autonomy where you can upskill quickly and accelerate your career. We are looking for: A strong Mobile Engineer - ideally with knowledge of Kotlin and Swift (candidates with strong experience in just one will also be considered) Strong communication skills The ability to work well in a small team A creative thinker A More ❯

giving them access to over 19,000 financial markets. About the Role: We are looking for a highly skilled and passionate Senior Android Developer with a strong command over Kotlin and a solid grasp of agile methodologies , and modern engineering practices such as Test-Driven Development (TDD) and Extreme Programming (XP) . If you thrive in a team-oriented … and planning meetings. Stay up to date with Android development best practices, tools, and trends. Required Skills & Qualifications: 4+ years of hands-on experience in Android development. Proficiency in Kotlin and Android SDK. Experience with CI/CD tools like Jenkins, GitHub Actions, Bitrise, or similar. Strong understanding and application of Test-Driven Development (TDD) . Experience working in More ❯

the technical architecture for our mobile Ad Tech stack , ensuring scalability, performance, and compliance with industry standards. Design and optimize ad-serving workflows for mobile apps built with Flutter, Kotlin, and Swift , ensuring seamless integration with ad mediation and programmatic platforms. Lead technical decision-making around ad integrations, header bidding, and low-latency ad rendering. Collaborate with engineering, product … app advertising. Requirements 6+ years of experience in software engineering with a focus on Ad Tech architecture, programmatic advertising, and mobile monetization . Strong knowledge of mobile development (Flutter, Kotlin) and a good understanding of backend development . Experience with Extreme Programming (XP) - Paired programming, TDD, C I etc. Hands-on experience integrating and optimizing mobile ad SDKs (Google More ❯

We're looking for a Senior Android Engineer to work on our flagship Kotlin app that is transforming how people control and share their data. About us Since its launch in 2018, Gener8 has been at the forefront of the "open data" movement: the belief that people should be able to control and be rewarded from their own data. … you'll be actively influencing technical discussions, API designs, and app architecture as we iterate rapidly to deliver great new features to our customers. You'll be using 100% Kotlin in your day-to-day work. Our Android app is completely written in Kotlin. All new features are built using Compose, with any existing XML layouts gradually being replaced … feature having its own dedicated module. There's a combination of unit, UI and Integration tests on the project, especially on newer features. We're also starting to use Kotlin Multiplatform to share code with our iOS app . This is the right opportunity for you if you have: 5+ years commercial experience with Android development Strong grasp of More ❯

Staff Software Engineer/Developer (Java Kotlin AWS API) Hybrid WFH to £110k 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 consultants, that is aiming to improve patient and social … Software Engineer you will collaborate 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 complex business logic, authentication and … and liaise on bespoke product development. About you: You have expertise with software engineering best practices, experience across the full development lifecycle and tech stack You have experience with Kotlin, Java, SpringBoot and AWS You have a good understanding of APIs and permission based systems You have a good understanding of software architecture and have experience of building systems More ❯

Staff Software Engineer/Developer (Java Kotlin AWS API) Hybrid WFH to £110k 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 consultants, that is aiming to improve patient and social … Software Engineer you will collaborate 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 complex business logic, authentication and … and liaise on bespoke product development. About you: You have expertise with software engineering best practices, experience across the full development lifecycle and tech stack You have experience with Kotlin, Java, SpringBoot and AWS You have a good understanding of APIs and permission based systems You have a good understanding of software architecture and have experience of building systems More ❯

backend services in cloud environments (GCP) using Docker, Kubernetes, and Terraform Take product requirements (we use Linear) and turn them into technical solutions Design and implement backend services using Kotlin, Micronaut, and Spring frameworks Create RESTful APIs to expose backend services to frontend applications and third-party integrations Design and optimize relational (PostgreSQL) and NoSQL (Elasticsearch) databases Implement background … using RabbitMQ Write and maintain unit, integration, and end-to-end tests You Might Be a Fit If You 4+ years of backend development experience, focusing on JVM languages (Kotlin preferred but Java works too if you're willing to switch to Kotlin) Are proficient in backend frameworks like Micronaut or Spring Have experience with relational (PostgreSQL) and … RESTful API design and development Understand event/queue patterns (RabbitMQ, Kafka, or similar) Excel at problem-solving and debugging Communicate and collaborate effectively Our Tech Stack Languages & Frameworks: Kotlin, Micronaut, Spring Databases: PostgreSQL, Elasticsearch Messaging: RabbitMQ Cloud & DevOps: GCP, Docker, Kubernetes What It's Like to Work at Jupiter Experiment-driven culture: We measure success by the number More ❯

you to have experience in some of these areas. Take pride in readable, well-designed and well-tested software 3+ years of experience in building Android applications at scale Kotlin and/or Java experience Accomplished in scaling Android architecture 3+ years of experience with Android development tools like Android Studio Working in a cross-functional team Knowledge of … the Android SDK and AndroidX Interested in writing Kotlin Workplace & Diversity At Deliveroo we know that people are the heart of the business and we prioritise their welfare. We offer a wide range of benefits in areas including health, family, finance, community, convenience, growth and relocation. We believe a great workplace is one that represents the world we live More ❯

is a hands-on leadership position where you'll drive technical delivery, shape architecture, and guide a high-performing team of engineers. Youll work across the full stack using Kotlin, Java, React.js , and TypeScript , with a modern cloud-native setup on AWS . Key Responsibilities: Lead end-to-end delivery of platform features and services Write clean, production-grade … practices in DevOps (CI/CD, IaC with Terraform, AWS) Qualifications: 8 years experience in software engineering, with 2 years in a leadership or senior role Strong experience in Kotlin or Java , with solid frontend skills in React.js/TypeScript Background in cloud infrastructure, ideally AWS Strong communicator who thrives in fast-paced, cross-functional teams If interested please More ❯

Sling is from Avian Labs, Inc., created by product builders and engineers from Monzo, Square, and Cash App. Android at Sling Money Our Android app is built entirely in Kotlin with Jetpack Compose from day one, so there's no legacy Java or XML code to maintain. We use modern libraries and architecture, including Apollo GraphQL for networking, Room … for local storage, and Slack's Circuit framework to structure our Compose-driven UI. We've built our own Solana Kotlin library in-house to interface directly with the blockchain. The codebase is about three years old and we're entering a phase of rapid growth. Android is a critical platform for Sling, and we need to scale the More ❯

have at least 7 years experience building and shipping highly-available, fault tolerant, production ready distributed backend systems. You have experience in any JVM based languages (such as Java, Kotlin, Scala) and are confident in your ability to build, debug and ship microservices. You are customer focused and continuously suggest how the backend can provide the best Customer Experience. … You pride yourself on consistent high levels of test coverage, strong technical documentation and effective monitoring. Preferably exposure to technologies such as Kafka, PostgreSQL, Redis. We use Kotlin, PostgreSQL, Kafka, Redis, Datadog, Amplitude, Grafana, BigQuery, ApacheSpark and more. A passion for crypto and the transformations it enables. COMPENSATION & PERKS Full-time salary based on experience and meaningful equity in More ❯

have at least 7 years experience building and shipping highly-available, fault tolerant, production ready distributed backend systems You have experience in any JVM based languages (such as Java, Kotlin, Scala) and are confident in your ability to build, debug and ship microservices You are customer focused and continuously suggest how the backend can provide the best Customer Experience … You pride yourself on consistent high levels of test coverage, strong technical documentation and effective monitoring Preferably exposure to technologies such as Kafka, PostgreSQL, Redis We use Kotlin, PostgreSQL, Kafka, Redis, Datadog, Amplitude, Grafana, BigQuery, ApacheSpark and more A passion for crypto and the transformations it enables COMPENSATION & PERKS Full-time salary based on experience and meaningful equity in More ❯

have at least 7 years experience building and shipping highly-available, fault tolerant, production ready distributed backend systems You have experience in any JVM based languages (such as Java, Kotlin, Scala) and are confident in your ability to build, debug and ship microservices You are customer focused and continuously suggest how the backend can provide the best Customer Experience … You pride yourself on consistent high levels of test coverage, strong technical documentation and effective monitoring Preferably exposure to technologies such as Kafka, PostgreSQL, Redis We use Kotlin, PostgreSQL, Kafka, Redis, Datadog, Amplitude, Grafana, BigQuery, ApacheSpark and more A passion for crypto and the transformations it enables COMPENSATION & PERKS Full-time salary based on experience and meaningful equity in More ❯

role in developing our early engineering culture. What youll be working on: Building core financial tooling for high-growth SaaS companies Designing scalable backend systems using modern languages (Python, Kotlin, TypeScript, etc.) Collaborating with product, design, and data teams to launch new features Talking to users and digging into real-world customer problems Moving fast in a high-trust … tier B2B SaaS scale-up Background in fintech or finance-related tools (accounting, revenue ops, etc.) Proficiency in a backend language like Python, TypeScript, Ruby, or Java Comfortable with Kotlin or excited to learn it CS degree from a top university (e.g. UCL, Waterloo, Georgia Tech, Harvard) Youll thrive here if: You enjoy shipping fast and solving hard problems More ❯

to demonstrate a deep understanding of user needs and contributing to the overall product vision. Our tech stack is diverse, encompassing (but not limited to) Python, Go, Java/Kotlin, TypeScript, React, Kubernetes, Mongo, and Generative AI features requiring adaptability and a willingness to learn. Responsibilities: Work with a wide variety of Citi teams (not limited to Technology) and … in teams and remotely Experience: Proven experience as an Engineering Lead, Software Engineering Manager, or similar role Strong expertise in multiple programming languages (preferably Python, Go, Java/SpringBoot, Kotlin and TypeScript), frameworks, and tools Strong understanding of both SQL and NoSQL databases Proven experience with distributed systems, event-driven architectures, container-based micro-services, distributed logs, SQL and More ❯