101 to 125 of 159 Kotlin Jobs in London

experience building and running production-grade services. You\'re still writing code regularly. You\'re good at it Strong server-side engineering skills: Kotlin or Java (we\’re using Java 21), building and consuming RESTful APIs. Proficiency with relational and/or NoSQL databases: Couchbase, PostgreSQL or MongoDB. Highly … understand requirements and deliver robust backend solutions. AI experience is highly desirable but not mandatory Tools you\’ll use (depending on role) *Server*: Kotlin, Java, Spring Boot, http4k, ktor, PostgreSQL, MongoDB, Apache Kafka, Docker, Kubernetes, Helm, Tekton, Harness *Infra:* OpenShift, Tekton, Harness ...

contribute to complex technical problem solving Service-led architectur e: Support the design and implementation of distributed, service-oriented architectures using Java or Kotlin, ensuring reliability and maintainability Modern UI developmen t: Create intuitive and responsive user interfaces using React, improving how salespeople access insights and manage client workflow … Functional programming, and proven use of XP/agile practices including TDD, acceptance testing, pair programming, and continuous integration. Proficiency in Java or Kotlin, and familiarity with building modern web applications using Typescript and React. Experience applying iterative development to deliver high-value outcomes in complex domains. Exposure ...

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 ...

what your day-to-day might look like: Drive technical execution by designing, building, and evolving the Android SDUI renderer — and the backend services (Kotlin, Golang, Protobuf) that feed it — to handle complex, real-time UI updates at scale. Lead architectural improvements and code reviews, ensuring the maintainability, visibility … expertise in some of these areas and curiosity to grow in others: 5+ years building Android applications at scale , with a deep understanding of Kotlin and Jetpack Compose. Backend development experience , specifically with Golang, Kotlin, and Protobuf, and the comfort to move between client and server code ...

senior engineer, you\'ll collaborate closely with product, design, and engineers across Proton to build and ship high-quality Android experiences using Kotlin, Jetpack Compose, and an increasingly shared Rust core. You\'ll take end-to-end ownership of your work and help define what "great" looks like … privacy-focused consumer products at scale. Responsibilities Collaborate with product, design, and engineering teams to build and ship Android experiences using Kotlin, Jetpack Compose, and Rust Take end-to-end ownership of features from scoping and technical design through delivery and iteration Contribute to maintainable, scalable, and testable mobile ...

Android principles. Partner with engineering leaders to improve engineering velocity, quality, and ways of working. Design, build, and maintain high-quality Android applications using Kotlin and Jetpack Compose. Develop scalable, maintainable features and guide teams in implementing performance-minded mobile solutions. Mentor and develop Android engineers of all levels … introduce modern capabilities (e.g., GraphQL, offline-first strategies, MDM integrations). Contribute to mobile platform roadmaps and strategic engineering initiatives. Qualifications Deep expertise with Kotlin, Jetpack Compose, and the modern Android ecosystem. Strong understanding of clean architecture, offline-first patterns, and scalable mobile design. Experience integrating RESTful APIs ...

Full Stack Engineer (Java or Kotlin or Python) - VP Engineer the future of global finance. At Citi, our Tech team doesn't just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale … career aspirations. Technology Skills Desired: Backend Expertise (Mandatory for Backend Role, Highly Desired for Full Stack): Strong proficiency in modern backend languages such as Kotlin and/or Python. Extensive experience with microservices architecture and developing scalable, resilient services. Demonstrated experience deploying and managing applications within containerization platforms like ...

mobile side of the platform, working alongside the wider engineering team to design and build features used daily by customers across the UK. Kotlin is the core requirement, with scope to work across Android and, potentially, iOS as the product roadmap develops. What You'll Be Doing Design, build … maintain features within a live Kotlin-based mobile product Collaborate with product and engineering on roadmap and technical decisions Write clean, well-tested, maintainable code as part of a wider codebase Integrate the app with backend services and APIs Debug, optimise, and improve performance across releases Participate in code ...

deliver seamless end-to-end features. Write robust, well-tested, and high-performance code, ensuring high quality and reliability across our platform.### Skills Required* Kotlin* C++* TypeScript* Dart* Angular* Java* APIs* SDKs* LLM APIs* Generative AI### Tags:UKLondonAngular DeveloperFlutter DeveloperShare Job:Application planning## What to evaluate before applying### Visa … opening.Google profile### Interview preparation* Experience signal: Mid level experience. Minimum 2 years of experience with full stack development, across back-end such as Kotlin, C++ codebases, and front-end experience including TypeScript or equivalent. 2 years of experience with software development in one or more programming languages ...

from customer-facing product to internal tools, including shipping consumer-facing AI features into production on mobile. You'll work in Swift and Kotlin across iOS and Android alongside a tight team of mobile and web engineers, on everything from expansion into new markets to the polish that makes … timely resolutions to ensure smooth user experiences Qualifications 5+ years of professional experience building mobile applications for iOS and Android Proficiency in Swift or Kotlin, with deep expertise in at least one platform and the range to work across both Strong grasp of mobile UI/UX principles ...

using modern engineering practices and contribute to complex technical problem solving. Support the design and implementation of distributed, service-oriented architectures using Java or Kotlin, ensuring reliability and maintainability. Create intuitive and responsive user interfaces using React, improving how salespeople access insights and manage client workflows. Contribute … Functional programming, and proven use of XP/agile practices including TDD, acceptance testing, pair programming and continuous integration. Proficiency in Java or Kotlin, and familiarity with building modern web applications using Typescript and React. Experience applying iterative development to deliver high-value outcomes in complex domains. Exposure ...

backend architecture. You’ll tackle our most complex technical challenges and set the standards for how we solve them. Our services run on Kotlin with Spring Boot, and you’ll have significant influence over architectural patterns and how we approach infrastructure problems. Build for the next phase of growth. … collaborate and build. Tech stack We hire for ability, not a specific tech stack. Most of the team learned our stack here: Backend: Kotlin (modular monolith using Http4k, Spring Boot, Exposed, Result4k) Storage: Postgres, BigQuery Async messaging: Google Cloud Pub/Sub Infrastructure: Google Cloud, Terraform Frontend: TypeScript, React ...

adhere to regulatory norms. The pricing platform supports millions of users every year in finding suitable travel products using technologies such as Java, Scala, Kotlin, Spring, MSSQL, DynamoDB, Redis, etc. We encourage experimentation with new technologies while maintaining a healthy balance between short- term and long-term goals. … related technical field; or equivalent related professional experience. 2+ years of relevant professional experience. Hands-on experience in backend software development using Java, Scala, Kotlin, or similar languages, and building scalable distributed systems and services. Practical knowledge of caching technologies (e.g., Redis, Couchbase, Memcached) and experience with relational ...

leadership. Work as a core member of the software engineering team, participating in daily standups and design discussions. Contribute directly to the codebase (Java, Kotlin, Python) to implement reliability improvements, performance optimisations, bug fixes, and automation. Lead the design and rollout of modern SRE patterns across trading systems, including … observability frameworks for mission critical systems. Proven ability to lead incident response and drive long term remediation. Solid programming skills in Python, Java, or Kotlin, with the ability to contribute production grade code. Experience with microservices, distributed systems, and event driven architectures. Strong understanding of CI/CD pipelines ...

interim and temporary professionals, fostering workplaces where everyone can contribute and succeed. On behalf of Deutsche Bank, we are looking for a Software Engineer (Kotlin/React) for a 6 Months contract based in London (Hybrid 3 times per week in the office). Job description - the role Purpose … initiatives. The skills you'll need: Strong commercial experience in full-stack or back-end software engineering. Experience working with JVM-based technologies, ideally Kotlin (or strong Java with Kotlin). Hands-on experience with TypeScript and React would be beneficial. Strong understanding of software engineering principles, including ...

more information on how we process your personal data, please refer to HCLTech’ s Candidate Data Privacy Notice. Role : Senior Vendor Software Engineer (Kotlin) DB require two senior, experienced Kotlin engineers to support and extend a cloud‐hosted platform used for bookbuilding issuances across Investment Banking Capital Markets. … team to maintain a high standard of code quality and system reliability. Location: London Required Skills • Strong commercial experience building backend services in Kotlin • Deep experience with XP practices, including: Mob programming as a primary way of working Test‐driven development (TDD) Continuous refactoring and clean code discipline • Cloud ...

London, Greater London | £100k - £120k per year Backend Software Engineer/Developer (Java Kotlin AWS API) Hybrid WFH to £120k Would you like to progress your career in an impactful hands‐on Backend Software Engineer role working on Tech for Good? You could be joining a HealthTech Start … overall design and architecture of the product’s 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 ...

career aspirations. Technology Skills Desired Backend Expertise (Mandatory for Backend Role, Highly Desired for Full Stack): Strong proficiency in modern backend languages such as Kotlin and/or Python. Extensive experience with microservices architecture and developing scalable, resilient services. Demonstrated experience deploying and managing applications within containerization platforms like ...

security expectations; experience coaching senior engineers/leads on compliant usage patterns and controls. Technologies We primarily use Jvm based languages (Java/Kotlin) but we also have parts of the platform that use other languages as needed. We look to use Open source when it makes sense ...

optional in-person time in Oxford or London, within a 1–2 hour commute. We value learning on the job and offer a modular Kotlin/Jetpack Compose stack with MVVM, Kotlin coroutines, GraphQL. #J-18808-Ljbffr ...

global investment bank, designing and scaling cloud-native applications within the risk management space. You will drive end-to-end development using modern Java, Kotlin, React, and cloud technologies while working alongside cross-functional engineering teams. Mandatory Skills Core Tech: Java, Kotlin, React, AWS Lambda, Kubernetes Key Responsibilities … Architecture & Development: Build performant frontend and backend systems using Java, Kotlin, ReactJS, and modern state management tools (Redux/Context API). API & Event Integration: Design RESTful APIs, gRPC services, and event-driven architectures leveraging Kafka and Flink for real-time data processing. Cloud & DevOps: Deploy and maintain cloud ...

Design, build, and evolve backend services that power pricing and promotions across multiple customer channels. Develop scalable microservices and APIs using Java/Kotlin for reliable pricing calculations and promotions management. Contribute to Kafka-based event-driven architectures for high-volume price publishing and promotional capabilities. Design and evolve … operational support. Requirements Strong backend engineer with significant experience designing and operating scalable services in production environments. Working knowledge of Java and/or Kotlin and modern microservice architectures. Passionate about building reusable backend capabilities that enable multiple teams and products. Strong understanding of distributed systems, event-driven architectures ...

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 ...

leadership. Work as a core member of the software engineering team, participating in daily standups and design discussions. Contribute directly to the codebase (Java, Kotlin, Python) to implement reliability improvements, performance optimisations, bug fixes, and automation. Lead the design and rollout of modern SRE patterns across trading systems, including … observability frameworks for mission critical systems. Proven ability to lead incident response and drive long term remediation. Solid programming skills in Python, Java, or Kotlin, with the ability to contribute production‐grade code. Experience with microservices, distributed systems, and event‐driven architectures. Strong understanding of CI/CD pipelines ...

Nice to have Hands-on experience with scraping technologies at scale and maintaining data quality/accuracy. Experience building backend systems with Java or Kotlin (or another JVM language). Experience with Spring (or similar JVM frameworks). Experience operating data-heavy systems with strong observability (monitoring, alerting, data … domain and engineering practices, and helped improve how the team works. Qualifications What does it take: 5+ years of experience in Java or Kotlin (or other JVM based language) Strong experience with Spring framework, relational databases, distributed and concurrent systems (Kafka) Experience in scraping technologies at scale and maintaining ...