326 to 350 of 400 Kotlin Jobs in England

services that support the complete customer order lifecycle, from order creation through to fulfilment and completion. Develop scalable microservices and APIs using Java/Kotlin, enabling reliable and efficient order processing across multiple channels. Contribute to event-driven architectures using Kafka to support high-volume transactional workflows across Payments … challenges. Requirements A strong backend engineer with significant experience designing and operating scalable services in production environments. Knowledge working with Java and/or Kotlin and modern microservice architectures. Passionate about building reusable backend capabilities that enable multiple teams and products. Solid understanding of distributed systems, event-driven architectures ...

more than 5M active users worldwide, an average app store review of 4.8 stars, and has over 99.9% crash-free sessions. Kotlin is upwards of 95% and we’re hoping to remove Java completely soon.Here are some early considerations:App featured at Google I/O 2019 & 2024 Developer … KeynotesKotlin & Jetpack Compose first approachOver 10M+ downloadsThe codebase uses modern Android Jetpack components, Kotlin Coroutines, Flow/StateFlow, and RxJava in legacy areasMake an impact on millions of customersNever ending chance of experimenting with latest tech, including KMM, Jetpack Compose and more!We have done some significant work ...

senior software engineer with significant experience building and operating large-scale distributed systems serving millions of users. Strong experience with Java and/or Kotlin and modern backend development frameworks. in designing and delivering secure, scalable services within cloud-native environments. Strong understanding of DevOps principles, CI/… cloud-native environments. Proficient in building resilient APIs and backend services while balancing security, usability, and performance. Highest-signal resume keywords Java Development Kotlin Development Cloud-Native Environments DevOps Principles Identity and Access Management ATS Optimization Keywords Hard Skills Backend Development API Development Distributed Systems Authentication Standards OAuth 2.0 ...

maintain mobile client components that capture and report listening and user behavior signals across Spotify. Build high-quality, well-tested, and well-documented Kotlin code that contributes to business-critical datasets used for royalty reporting, analytics, experimentation, and personalization. Collaborate with engineers across Android, iOS, backend, and data teams … software quality. Contribute to a culture of continuous learning, knowledge sharing, and technical excellence. Qualifications You have experience developing Android and iOS applications using Kotlin with Swift or Objective-C. You know how to build maintainable, scalable, and well-tested software systems. You are comfortable working within large codebases ...

actually work on-site and on-the-go. Build production-grade cross-platform apps in React Native + TypeScript; drop into native (Swift/Kotlin) when needed — camera, sensors, background tasks, secure storage. Maintain existing apps and build new ones; own App Store/Google Play release and update … stacks will be considered. Solid native mobile fundamentals across iOS and Android (both matter at launch), and comfortable reaching into native code (Swift/Kotlin) when the RN layer isn\'t enough. Comfortable building and consuming backend services that support complex mobile workflows (Python a plus). Reasons about ...

produce and consume data.Design data services with scale and ease of operation in mind. Write maintainable, performant, well-tested Python code (and where appropriate Kotlin or Python), and review the work of others.Partner with ML engineers and data scientists so the platform supports feature engineering, training pipelines and online … data estate.Our Tech Stack:Our technology stack is designed to run on public cloud architectures, notably AWS and GCPDevelopment is organised around Kotlin and Python for our backend languages and TypeScript/ES6+React for our frontend stackWe make substantial use of relational database technologies, notably Postgres, YugabyteWe also ...

customer support tools. We also have a small mobile platform squad dedicated to enabling other engineers to move faster. Our app is 100% Kotlin, built using MVVM and Coordinators, and modularised by product feature. We use RxJava, Retrofit and Moshi for API calls and Dagger for dependency injection. … optimise for outcomes rather than the number of lines of code you output You’re excited about and have experience in programming in Kotlin You’ve shipped and iterated on at least one app in the Play Store You have a product mindset: you care about customer outcomes ...

norms. Taptap Send is a cross-platform mobile app developed with React Native and TypeScript, which talks to a backend service written in Kotlin and backed by a PostgreSQL database, all of which runs on AWS and is managed via Terraform and Ansible. This is a backend-focused role … ship working features Work in an iterative fashion Evaluate and deliver timeline estimates Requirements: 7+ years of professional experience building backend systems Proficiency with Kotlin or Java/JVM Proficiency with PostgreSQL Experience with AWS: S3, SQS, SNS, Lambda, etc. Experience implementing and managing elaborate integrations with third-party ...

know their strengths, their limits, and when to reach beyond them. That's where your native knowledge comes in: whether it's Swift, Kotlin, or both, you're comfortable dropping into native code when the situation calls for it when it comes to performance, platform APIs, or something Expo … shared React Native codebase, with a solid understanding of platform‐specific behaviour and constraints. Native mobile experience in Swift (iOS) and/or Kotlin (Android) is desirable. You can read, write, and debug native code. Strong understanding of mobile performance. You know how to diagnose and fix issues across ...

Principal Product Engineer, React NativeLocation: Nine Elms, London. Full time, hybrid with at least 3 days a week on site.You'll need the right to work in the UK and be based in London. We ...

Principal Android Engineer – Search & Recommendations Experience Team We are looking for a technical leader who will shape the native search and discovery experiences across our global travel platforms. In this role you will architect, design ...

Expedia Group brands power global travel for everyone, everywhere. We design cutting-edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community ...

Principal Product Engineer, React Native Location: Nine Elms, London. Full time, hybrid with at least 3 days a week on site. You'll need the right to work in the UK and be based in ...

faster loading and more intelligent parsing by designing more efficient abstractions and improving our algorithms Ship cloud functions, lightweight backend services, and jobs using Kotlin An Ideal Candidate Should Have Systems thinking. You know that optimizing a system requires end-to-end design, and you believe simplicity is valuable. … engage or be heads down Collaboration. You know how to inspire, play, and negotiate with opinionated designers, marketers, and PMs Preferred Tech Stack: Kotlin Multiplatform (Java experience is OK but role is Kotlin Multiplatform) Prior experience with GCP is a plus What We Offer A fast-growing environment ...

backend engineer to help build the Direct Debit/API powered platform. You will design, test, and maintain backend services in Java and Kotlin using Spring Boot, deployed on AWS, serving millions of customers. You will work on RESTful APIs, data schemas in PostgreSQL, event-driven architectures with Apache ...

000London AreaAre you interested in working in Tech for Good? Have you got experience working with Kotlin, or are keen to work with Kotlin? Senior Software Engineer – Clean Energy for EV Chargingð Up to 120k + bonus + shares + benefitsð Hybrid in London 2 days per weekWe … vehicles.Due to exciting projects in the pipeline, they are looking to grow their team with Senior Software Engineers who have experience in the following:Kotlin software development(They are also open to Core Java experience, as long as you are happy to work with Kotlin)AWS or other ...

Solutions is seeking a Mobile Head in London to lead a small two-developer team. The role requires hands-on expertise in Swift and Kotlin and a track record of leadership in technical teams. You will define the mobile tech vision, implement best practices, and integrate AI tools ...

London, is seeking a highly skilled Senior Android Developer. The ideal candidate will have over 8 years of experience and a strong command of Kotlin, working in a collaborative agile environment. The role includes designing and maintaining Android applications, adhering to TDD principles, and participating in agile ceremonies. This ...

seeking a Mobile Head to lead a small technical team in London. This role requires a hands‐on developer with expertise in Swift and Kotlin, alongside leadership experience. The position involves defining the technical vision for mobile platforms, integrating agentic AI tools, and ensuring best practices across development. ...

like faster loading and more intelligent parsing by designing more efficient abstractions and improving our algorithmsShip cloud functions, lightweight backend services, and jobs using Kotlin An Ideal Candidate Should Have Systems thinking. You know that optimizing a system requires end-to-end design, and you believe simplicity is valuable. … when to engage or be heads downCollaboration. You know how to inspire, play, and negotiate with opinionated designers, marketers, and PMs Preferred Tech Stack: Kotlin Multiplatform (Java experience is OK but role is Kotlin Multiplatform)Prior experience with GCP is a plus What We Offer A fast-growing ...

like faster loading and more intelligent parsing by designing more efficient abstractions and improving our algorithmsShip cloud functions, lightweight backend services, and jobs using Kotlin An Ideal Candidate Should Have Systems thinking. You know that optimizing a system requires end-to-end design, and you believe simplicity is valuable. … engage or be heads down Collaboration. You know how to inspire, play, and negotiate with opinionated designers, marketers, and PMs Preferred Tech Stack: Kotlin Multiplatform (Java experience is OK but role is Kotlin Multiplatform)Prior experience with GCP is a plus What We Offer A fast-growing environment ...

Engineering (HealthTech) Cambridge, UnitedKingdom Posted 12 months ago Tech Stack React iOS Swift Java JavaScript Android MongoDB Kotlin Amazon AWS Node.js Setting Quantifiable OKR and Measuring Team Performance You should ideally have worked with the following technologies: Node.JS, React JS, MongoDB, AWS, Swift (iOS), Kotlin/Java ...

testing core products including building new features on the payment platform, gateway API and web portal. There's a modern tech stack encompassing Java, Kotlin, Python, PostgreSQL, AWS, JavaScript and React; you'll have a focus on backend development and will have the autonomy to choose the right tool … experienceYou have a good knowledge of messaging, including Kafka experienceYou have AWS experienceYou have a good knowledge of SQL, PostgreSQL ideallyYou have experience with Kotlin (or are keen to learn)You're collaborative and keen to work in start-up environmentYou're a keen technologist who stays ...

engineering teams, you'll implement security solutions for low-latency systems and multi-cloud platforms, including AWS, Azure, hybrid infrastructures across Python, C++, and Kotlin/Java environments, ensuring robust protection that supports high-speed, data-driven operations. You will conduct threat modelling, vulnerability assessments and security code reviews … securityYou have strong experience with product security, secure coding practices and application development experience with languages such as Python, C++, Rust, Go and Kotlin/JavaYou have a strong knowledge of software development, system architecture and security toolsYou have experience of securing both Linux and Windows based systemsYou have ...

engineers with an interest in front-end development using React and TypeScript, as well as those passionate about building highly scalable backend services with Kotlin and AWS, leveraging advanced technologies such as generative AI and machine learning. This role offers end-to-end ownership, spanning technical design, implementation … globe. Key job responsibilities Deliver; design, build, test, and operationally support product features writing both client- and server-side code in React, TypeScript, Kotlin and Elasticsearch, using AWS services. Customer obsession; develop an understanding of our advertising customers, from marketing managers to marketing directors and brand owners. Advocate what ...