276 to 300 of 364 Kotlin Jobs in London

current opportunities in Current Accounts, Lending, Credit Cards and Product Enablement. We care deeply about great engineering, which is why our core stack is Kotlin, running on a modern platform with Kafka, Kubernetes, Docker and AWS Aurora Postgres. But great engineers aren't defined by a single language which … fundamentals, and have an appetite for learning something new, we'll invest in you, help you grow your skills and confidently step into our Kotlin ecosystem. Your impact: Owning complex initiatives end to end, from idea to measurable outcome Designing scalable backend systems that stand up to real-world ...

able to work without visa sponsorship. We are not sponsoring a work visa for this role. 2+ years creating cutting edge Android apps in Kotlin Strong grasp of Coroutines Experience with caching To be able to iterate quickly on designs across multiple feature areas Working knowledge of agile methodologies … developments and features Live and breathe all things Google IO and Android Experience around threading, animation, video/image manipulation, messaging Technology we love Kotlin Jetpack Compose Coroutines MockK, JUnit Room, Ktor, Hilt Reactive, MVVM/MVI Firebase Github Why join Muzz? We’re a profitable Consumer Tech startup ...

skills — prompt engineering, evaluation, and guardrails for reliable, safe outputs. Strong Python for AI/ML, plus solid backend engineering (Go and/or Kotlin) to productionize systems at scale. Model serving and LLM inference, with the cloud infrastructure to run AI workloads in production (AWS or similar). … Data pipelines and orchestration (Airflow, Prefect) and warehouses like Databricks, Snowflake, or BigQuery. Spanish proficiency. Tech Stack Languages — Python (AI/ML), Go and Kotlin (platform services). AI & LLMs — LLM APIs and open models, agent frameworks, MCP, RAG. AI evaluation & observability — LangFuse, LangSmith, Braintrust, MLflow. Data & retrieval — vector ...

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 ...

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 ...

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 ...

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 ...

particularly committed to improving performance and stability, as evidenced by our excellent crash‐free rate and App Store reviews. Our codebase is using Kotlin and we’ve been on a journey to migrate screens to Compose. We are constantly looking for ways to improve and modernise the codebase. … spent several years building Android apps and are comfortable picking things up quickly and getting to something useful early. You have native Android Kotlin development experience. You understand patterns such as MVI or MVVM. You have experience consuming third-party APIs You have experience with UI, unit and Snapshot ...

## Sr. Software Engineer - Data Query Platform - (London, Hybrid)Applylocations: United Kingdom - Londontime type: Full timeposted on: Posted Todayjob requisition id: R26425As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that ...

As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn't changed — we're here to stop breaches, and we've redefined modern ...

accelerator for product development (prior experience in platform/foundations-focused teams is a plus). ANDROID TECH STACK Native Android application development with Kotlin Reactive programming: RxJava2, Kotlin Flow Architecture: MVVM Jetpack Compose Dependency Injection: Anvil WHY YOU SHOULD APPLY NOW Our culture rewards ownership, excellence ...

highly scalable systems and working in a strong engineering culture. You’ll work primarily across the JVM ecosystem , with Java, Scala and/or Kotlin , contributing to the design and development of robust, high‐performance distributed systems. You’ll be expected to bring strong software engineering fundamentals, with … influence technical decisions and raise engineering standards across the team. What we’re looking for Strong commercial experience with Java, Scala and/or Kotlin Excellent understanding of the JVM ecosystem Strong experience with TDD, unit testing and clean code Proven experience building and maintaining CI/CD pipelines ...

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 ...

security expectations; ability to guide peers on safe and effective usage within team practices. 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 ...

resiliency and security expectations; experience coaching engineers on safe, compliant adoption within delivery practices 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 ...

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. Our internal tools leverage these technologies in addition … solutions, and much more! Responsibilities Take ownership of development of internal tool solutions Build experiences across the stack using primarily Python, and on occasion Kotlin Write well‐tested, high quality code, with an eye towards generics and re‐use Work closely with design and product teams to regularly ship ...

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 … opportunities to work on all parts of our tech stack. Your Responsibilities Take ownership of development of mobile application products Build features in Kotlin and Spring Write well-tested, high quality code, with an eye towards generics and re-use Work closely with design and product teams to regularly ...

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. Our internal tools leverage these technologies in addition … much more! Your Responsibilities Take ownership of development of internal tool solutions Build experiences across the stack using primarily Python, and on occasion Kotlin Write well‐tested, high quality code, with an eye towards generics and re‐use Work closely with design and product teams to regularly ship working ...

this could be the role for you. What You'll Be Doing Developing and maintaining high-quality native mobile applications for iOS and Android (Kotlin-heavy... this role skews strongly toward Android) Working alongside 2 x senior mobile engineer (iOS-leaning) but focusing on Android (with some iOS) Optimising … value features as the business scales What They're Looking For Strong commercial experience building and shipping native mobile apps, with particular strength in Kotlin/Android (80%) Comfortable working with Swift/iOS as needed (20%) Familiarity with mobile performance profiling and debugging tools Experience integrating mobile apps ...

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 ...

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 ...

other operational data. Design reference data frameworks and accounting pipelines supporting both traditional financial instruments and digital assets. Develop primarily in Java and Kotlin, contributing to architecture and technical design while remaining highly hands-on. Maintain, refactor, and improve existing production code alongside developing new functionality. Take … analytical skills. Ability to work independently and take ownership in a fast-paced, high-performance environment. Strong communication and collaboration skills. Desirable Commercial Kotlin experience. Previous experience within financial services, trading, banking, hedge funds, or fintech. Experience within cryptocurrency or digital assets. Knowledge of crypto exchanges, trading venues, protocols ...

secure coding patterns, and provide pragmatic remediation guidance. Advanced Code Auditing: Conduct deep-dive manual and automated code reviews on highly sensitive Java and Kotlin backend Pull Requests. Security Debt & Remediation Negotiation: Produce data-driven Security Debt packs and negotiate remediation into engineering roadmaps. You will negotiate remediation timelines … Snyk, or similar. You should be intimately familiar with the SARIF ecosystem and ASPM workflows. Expert-level ability to audit and propose fixes in Kotlin/Java, TypeScript/JS, Python, and familiarity with containerised deployments (Kubernetes).Strong threat modeling experience and pragmatic architecture guidance for high-stakes financial ...

Join Zepz: Breaking Down Borders, Together Our Meaningful Mission At Zepz, we're all about breaking down barriers for our customers and our teammates. Our purpose is deeply personal, we provide a lifeline and deliver ...

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. ...