that will scale up to be the world's leading research platform. Ship working code: We primarily work with React on the frontend and Kotlin microservices with Postgres on the backend, with some older services written in Ruby on Rails. We've always got an eye open to assess More ❯
excellent attention to detail PHP knowledge/MySQL knowledge (for API calls) Firebase (particularly Push Notifications and Crashlytics) Knowledge or experience of Android/Kotlin Automated/Unit Testing Preferably based in Northern Irelan/Ireland Generous holiday allowance (including a day off for your birthday!) Flexible start/ More ❯
London, England, United Kingdom Hybrid / WFH Options
Bitfinex
Interested in bringing diverse, innovative applications to life. Interested in modernizing and optimizing different mobile or web applications. Knowledge in native languages (Swift/Kotlin) and familiarity with native build tools (Xcode/Android Studio) is advantageous. #J-18808-Ljbffr More ❯
London, England, United Kingdom Hybrid / WFH Options
SGI
be based on your skills and experience — talk with your recruiter to learn more. Manager - UK&I at SGI, organiser of Source Talks: On Kotlin Senior/Principal Python Engineer Front Office Technology £800-£850 inside IR35 (could flex for the right candidate) London - Hybrid We’re looking for More ❯
Staatliche Hochschule für Musik und Darstellende Kunst Mannheim
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 More ❯
London, England, United Kingdom Hybrid / WFH Options
Photon
Champion continuous improvement, performance optimisation, and security throughout the development lifecycle Skills: Proven experience as a hands-on engineer with proficiency in Swift or Kotlin Hands on experience in backend API development using will be an advantage Experience in technical decision making guiding the team to propose solutions which More ❯
clean code principles. Knowledge in CI/CD application as an essential part of software development. Experience with containers. Bonus points for experience with Kotlin . Passion for technology and software development. Constant drive to learn and ability to learn quickly. Strong team player mindset. Fluent English/Spanish. More ❯
clean code principles. Knowledge in CI/CD application as an essential part of software development. Experience with containers. Bonus points for experience with Kotlin . Passion for technology and software development. Constant drive to learn and ability to learn quickly. Strong team player mindset. Fluent English/Spanish. More ❯
and optimization for performance and battery usage. Experience with app instrumentation for monitoring , analytics , and observability . Proficiency with native development in Java/Kotlin and Objective-C/Swift , including integration of native modules and working knowledge of TurboModules/JSI . Experience implementing and maintaining CI/ More ❯
and containers (Docker and Kubernetes) Excellent problem-solving skills and starving eager to keep learning and touching exploring new languages and frameworks, such as Kotlin and Quarkus. Complete fluency in English language skills. You live in Spain, and you have a valid work permit/VISA (without sponsorship) Nice More ❯
Your experience, skills and knowledge Essential Proficiency building software with a JVM language. We primarily use Scala but are willing to consider someone with Kotlin and Java background. Knowledge of both object-oriented and functional programming concepts. Familiarity with relational databases such as PostgreSQL. Experience building APIs, microservices, or More ❯
Cambridge, Cambridgeshire, United Kingdom Hybrid / WFH Options
Checkit plc
released applications on the App store or the Android market. In-depth knowledge of the programming languages Swift and Kotlin. Knowledge of developing in Kotlin multiplatform is key. Drives adoption of best practices. Ability to automates complex deployment workflows and ensure security compliance. Innovative in mobile app development methodologies More ❯
London, England, United Kingdom Hybrid / WFH Options
Arlington Administrative Assistance
production issues Performance tuning of JVM apps Nice to have Not vital, but you’ll have the edge if you also have experience with: Kotlin Prometheus Query Language (PromQL) Grafana Prometheus or have worked in: an eCommerce organisation a shipping/logistics/exports organisation What you bring Agile More ❯
the right values and behaviours as we improve how we deliver. What you'll need Strong programming skills with a good working knowledge of Kotlin and modern toolsets like Git, Android Studio, Junit, Espresso and GitHub. Strong knowledge on software architecture patterns. Diverse technical experience and a proven ability More ❯
will ensure we deliver impactful solutions that meet the needs of our customers and stakeholders alike. Our Tech Stack PHP 8, Symfony 6 & 7, Kotlin, AWS, MySQL, PostgreSQL, RabbitMQ, Docker, Kubernetes, React & React Native, TypeScript, MobX, Redux, Stylus and SASS, Jenkins (we deploy to production as soon as we More ❯
London, England, United Kingdom Hybrid / WFH Options
Blockchain.com
verification, fraud prevention, or KYC-related engineering. Strong software engineering and system architecture knowledge, particularly in onboarding and verification workflows. Experience with JVM languages (Kotlin, Java). This role is hands-on and requires time spent reviewing and contributing code. Familiarity with KYC and identity verification providers (e.g., Sumsub More ❯
London, England, United Kingdom Hybrid / WFH Options
Proton
Internally our backend code is in general based on PHP/Symfony, our frontend is based on React, our mobile code is based on Kotlin (on Android) and on Swift (on iOS), with a growing shared codebase in Rust. All our client-code is open-source and GPL3. We More ❯
London, England, United Kingdom Hybrid / WFH Options
Copper Technologies
of the services you own. Support and solve problems from clients and stakeholders. Skills and experience Experience building software with a JVM language: Scala, Kotlin, or Java. Familiarity with relational databases such as PostgreSQL. Strong understanding of REST APIs. An understanding of the critical importance of testing, well-versed More ❯
will support your growth. Internally, this role is known as Product Engineer (L6). Essential skills: Extensive experience in Native Mobile Development in Android (Kotlin and Java) Accessibility best practices Continuous Integration/Continuous Delivery Experience in TDD and pair programming Agile development methods such as Scrum or Kanban … architectures, Docker, Kubernetes, cloud platforms (AWS, GCP, Azure), UX principles, web technologies (HTML, CSS), JavaScript libraries (React, Redux, Webpack), server-side languages (Java/Kotlin) Additional Information: Application involves an online assessment, CV upload, and questions. More info at . Next steps include a screening call, tech assessment, and More ❯
London, England, United Kingdom Hybrid / WFH Options
Driver Hire Borders
SQL or NoSQL DB structures, experience with DB migration scripts (SQL Server, MySQL, Mongo) 1+ years of experience working in native Android development with Kotlin, Jetpack libraries e.g. Room, Hilt, Compose, Work Manager Occasional travel to company offices or meetings as required. For flexible or full remote work from … environment using CI/CD and DevOps methodology Automated test development and execution (for example, REST-assured, Selenium, etc) Some Android development experience using Kotlin Qualified candidates should also possess: Experience in an Agile working environment Behaviors that demonstrate ability to keep current on technology trends Evolving communication and More ❯
Bristol, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: £65,000 - £80,000 depending on experience (plus excellent benefits*) to ideally start in April 2025. We are looking for a passionate and experienced Full Stack Lead Software Engineer to join More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
site Thursdays) Start Date: ASAP Project Overview: Join a fast-moving team to migrate and consolidate two high-traffic Android applications into a single Kotlin-based solution . You’ll play a key role in shaping the architecture and delivering high-quality code within a tight but rewarding timeframe. More ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
site Thursdays) Start Date: ASAP Project Overview: Join a fast-moving team to migrate and consolidate two high-traffic Android applications into a single Kotlin-based solution . You’ll play a key role in shaping the architecture and delivering high-quality code within a tight but rewarding timeframe. More ❯