151 to 175 of 360 Kotlin Jobs in London

Customer Order Domain. You will design and implement backend services powering order creation, fulfilment, and multi-channel experiences. Work with Java/Kotlin, build scalable microservices, leverage Kafka for high-volume workflows, and design GraphQL/REST APIs to ensure a robust developer experience for millions of customers. #J ...

days in the office. The role focuses on UI and API testing, leveraging AI-assisted tools to accelerate test creation. Strong Java/Kotlin and CI/CD experience are essential for success. #J-18808-Ljbffr ...

data science squads to build scalable services handling high daily traffic. You’ll write high-quality code in TypeScript/Scala/Java/Kotlin, work with Postgres, DynamoDB, and Kafka, and contribute to a DevOps culture. Hybrid working with dog-friendly offices is offered. #J-18808-Ljbffr ...

build proactive, AI-powered health platforms. You will own outcomes, lead high-impact projects, and design scalable, end-to-end software with Java, Python, Kotlin or C++ and GenAI integrations. You will influence stakeholders, coach distributed teams, and drive architecture decisions in a fast-paced, global environment, delivering features ...

seeks an IT professional to drive AI-powered banking solutions within an agile team. You will work on modern tech like Python, Java/Kotlin, Angular, Docker and Kubernetes, and collaborate with business units to deliver value-driven AI applications. You’ll help design, develop and integrate AI services ...

testing, validation, and collaborate on technical issues with stakeholders. Requirements include 5+ years in the field, a relevant degree, and proven Android Java/Kotlin experience within embedded systems, plus understanding of the software development life-cycle. #J-18808-Ljbffr ...

including customer and developer portals and centralized document management, while leading architectural decisions across a dual-stack of Node.js/TypeScript and Java/Kotlin distributed systems. You will mentor engineers, improve performance and reliability, and contribute to identity infrastructure work such as Keycloak #J-18808-Ljbffr ...

activity. You will own the development of our multi-venue collateral management platform and related data pipelines. You will work primarily in Java and Kotlin on both new development and production systems, collaborating with investment stakeholders to deliver robust, scalable solutions for digital assets and traditional markets. #J ...

activities, flights, and packages. You will set architectural direction, mentor engineers, and drive AI-enabled capabilities across the mobile platform. The role requires deep Kotlin expertise, Jetpack Compose mastery, and strong API design, with a focus on scalable, high-performance apps that delight travelers and partners alike. #J ...

backend and frontend system management, guiding teams, and implementing engineering best practices. Candidates should have over 5 years of experience, knowledge in Java/Kotlin, Spring Boot, and secure coding principles. This position offers a chance to integrate AI capabilities into production systems. Join us in a diverse, collaborative ...

development processes, coding across the stack primarily in Python, and mentoring team members. Candidates should have 5+ years of experience in Python or Kotlin, along with expertise in AWS. Join a collaborative and inclusive environment committed to personal and professional development. #J-18808-Ljbffr ...

work closely with stakeholders to translate business requirements into technical solutions. The ideal candidate will have strong experience with JavaScript/TypeScript, Java/Kotlin, and modern development tools. A background in FinTech or the lending industry is a plus. Join us in building a values-driven financial institution. ...

reliability frameworks, observability platforms, and performance engineering systemes that traders rely on daily. Lead incident response like a battlefied commanderDive deep into Java Kotlin, Python, Microservices, Kafka, Grafana, Splunk, Dynatrace and full modern SRE arsenalWork shoulder to shoulder with elite traders across Equities, Fixed Income, FX & BeyondTurn chaos into ...

deployment experience Degree in Computer Science (or equivalent) with strong AI/ML/NLP foundations Strong Python skills, familiarity with Java/Kotlin, and solid API design experience Hands-on experience with LangChain, LangGraph, and LLM APIs (OpenAI, Anthropic, etc.) Skilled in prompt engineering and orchestrating AI agents ...

live integration support. Based in-office (hybrid model) in London or Ljubljana, Slovenia. You Will Build and maintain our mobile SDK on Android (Kotlin) or iOS (Swift) Own the public API surface: minimal, stable across versions, and hard to misuse Keep the SDK lightweight and resilient, with no crashes ...

customers. It needs to be performant, reliable and delightful to use. Our mobile apps are built natively using Swift and SwiftUI on iOS and Kotlin and Compose on Android, and we care deeply about creating experiences that are technically and visually empathetic to each platform. You will also ...

rollout, monitoring, and proactive changes Experience building large-scale applications or similar experience Experience in programming languages such as C, C++, Java, Swift, or Kotlin, and scripting languages such as Python, Javascript, or Hack Demonstrated ability to integrate AI tools to optimize/redesign workflows and drive measurable impact ...

correctness of critical systems at scale. Comfortable in a JVM codebase, or confident you'll get there fast - we're on Java/Kotlin and Spring Boot. Leadership Experience leading a team of engineers and owning what they deliver. Leadership through trust: you give people context and direction ...

correctness of critical systems at scale. Comfortable in a JVM codebase, or confident you'll get there fast - we're on Java/Kotlin and Spring Boot. Leadership Experience leading a team of engineers and owning what they deliver. Leadership through trust: you give people context and direction ...

Head of Trading). Ability to raise, read and audit Pull Requests in at least one language used in our stack (TypeScript, Java/Kotlin, Python). Experience conducting technical due diligence and scoping for third‐party security integrations. Nice to Have Familiarity with trading systems or financial operations ...

thrives on clean architecture, elegant code collaborative delivery whilst working as part of an Agile cross-functional team. Skills and Experience * Strong proficiency in Kotlin and Android SDKs, with a deep understanding of Jetpack libraries, Compose and modern Android architecture components. * Kotlin Multiplatform (KMM, KMP) * Experience with RESTful ...

help define, design, build, and release new Android mobile features that directly impact the customer experience Develop and maintain clean, efficient, testable, and reusable Kotlin code aligned with modern Android engineering standards Build intuitive user interfaces using modern Android technologies, including Jetpack Compose Contribute to application testing strategies … sensitivity and security requirements Required qualifications, capabilities, and skills Formal training or certification on software engineering concepts and expanding applied experience Solid knowledge of Kotlin and modern Android development practices Experience building Android applications using Jetpack Compose Understanding of Android architecture patterns such as MVVM, MVI, or similar approaches ...

help define, design, build, and release new Android mobile features that directly impact the customer experience Develop and maintain clean, efficient, testable, and reusable Kotlin code aligned with modern Android engineering standards Build intuitive user interfaces using modern Android technologies, including Jetpack Compose Contribute to application testing strategies … sensitivity and security requirements Required Qualifications, Capabilities, And Skills Formal training or certification on software engineering concepts and expanding applied experience Solid knowledge of Kotlin and modern Android development practices Experience building Android applications using Jetpack Compose Understanding of Android architecture patterns such as MVVM, MVI, or similar approaches ...

deeply embedded within our DNA. Invest in us and we'll invest in you!. Job DescriptionWe are seeking an experienced Senior Kotlin Developer to join our UK Digital & Cloud Practice. Our Digital Practice is expanding rapidly and there will be an opportunity for you to achieve medium …/CD Pipelines and SOLID/DRY principals Hands-on developing/coding role using the following technologies: Frontend - TypeScript, Node, Express JSBackend - Kotlin, Spring Boot, HibernateExperience in estimation and sizing Integration experienceAPI Design experienceCloud experienceAppetite to work with emerging AI technologiesSC EligibleAdditional InformationWhy Version 1? At Version ...

financial correctness and real-time risk. Skills You Need Minimum Qualifications Extensive software engineering experience, with deep expertise in Go and/or Kotlin (our core backend stack) and strength across the full stack A proven track record architecting robust, scalable, and maintainable distributed systems — event-driven, high-throughput … standards across multiple teams Open-source contributions or technical writing that raised the bar for others Spanish proficiency Tech Stack Languages — Go and Kotlin (core), Java APIs — gRPC, REST Frameworks — Spring Boot, Spring WebFlux; Go standard library Messaging — Apache Kafka, SQS Databases — PostgreSQL, Redis Infrastructure — AWS, Kubernetes, Docker, Terraform ...