326 to 350 of 363 Kotlin Jobs in London

Software Engineer III - Backend Engineering - Java/Kotlin LONDON, LONDON, United Kingdom Job Description 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 … their own path. Has a pragmatic and iterative approach to achieving our long term goals. 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 ...

seeking a mid-level Android engineer to join the Web & Apps team in the UK. You will work on our Android app with Kotlin, Jetpack Compose, and modern Android architectures, delivering features used by millions of customers. Expect a fast-paced, collaborative environment with hybrid in-office and remote … work options. The role emphasizes Kotlin proficiency, reactive programming, and strong testing habits within an agile team, contributing to high-quality experiences for ASOS customers. #J-18808-Ljbffr ...

TwinThread seeks a Software Engineer III for Backend Engineering focused on Java/Kotlin in London. This role emphasizes collaboration, problem-solving, and adaptability within a team. You will be responsible for building scalable and reliable solutions, investigating issues, and ensuring high performance. A strong focus on ethics ...

Citibank (Switzerland) AG is seeking an Engineer to design and deliver Java/Kotlin components for the Core Prime Brokerage platform. You will participate in agile development, CI/CD, and automated testing while collaborating with a global team. You will work with SREs and analysts across time zones ...

Citi is recruiting for a Prime Brokerage Technology role in London. You will own and deliver Java/Kotlin components within the Core Prime Brokerage platform, contributing to CI/CD, automated testing and SDLC improvements. You will work closely with analysts, plan features, and document technical work while ...

JPMorgan Chase & Co. in the United Kingdom is seeking a back-end software engineer to build cloud-native microservices in Java/Kotlin, delivering robust banking features and scalable APIs for customers. You will own the code across the lifecycle, collaborate in an agile, distributed team, and work with ...

seeking a Senior Fullstack Developer to join a high-performing engineering squad in London or Manchester. You will work on backend-led services using Kotlin or Java 17+, building APIs and event-driven flows, and contribute to modern web interfaces with React and TypeScript. The role emphasizes AI-augmented ...

develop, test, and maintain customer-facing Android apps, collaborating with product managers, designers, and stakeholders across the full SDLC. You will build features with Kotlin and Jetpack Compose, apply modern architecture patterns, and help ensure performance, accessibility, and security across journeys. #J-18808-Ljbffr ...

architecture, code quality, and performance, mentoring peers and collaborating with product, design, and backend teams. You may also contribute to our Kotlin backend-for-frontend (BFF) for broader stack exposure. The role focuses on secure, fast, and user-friendly banking experiences. #J-18808-Ljbffr ...

varying experience levels and interests, helping to improve our services, build pipeline, and tooling across a mixed stack — Python services in sw-backend, and Kotlin/Java services underpinning Universal Wallet. You'll be committing, reviewing, and shipping code early on, with the support and time to ramp ...

Taptap Send in London is seeking a Senior Engineer to lead the development of our consumer‐facing product, building scalable backend features with Kotlin and Spring, and collaborating closely with Product, Operations, Customer Support and Growth to ship reliable, intuitive experiences. This is an early‐team role … cross‐platform stack (React Native/TypeScript frontend, Kotlin backend, PostgreSQL, AWS, Terraform and Ansible). #J-18808-Ljbffr ...

improving reliability, testing, and overall app quality Experience applying mobile security best practices (added bonus, not essential) Experience collaborating with Android engineers using Kotlin and/or React Native engineers (added bonus, not essential) Core Competencies Demonstrates expertise in building and shipping polished production iOS apps using Swift, with … Principles Soft Skills Collaboration Problem-Solving Commitment to Quality Industry Keywords Mobile Platform App Performance Customer-Facing Features Engineering Practices Tools & Technologies React Native Kotlin Analytics Infrastructure #J-18808-Ljbffr ...

technical issues, including software system design and maintenance. To be successful in this role, you will need to be skilled in Android Java or Kotlin application design and development and knowledgeable in the software development life-cycle. RESPONSIBILITIES Design and develop an android application to run on embedded media … Bachelor's or Graduate's Degree in Computer Science, Engineering, Mathematics, Information Systems, or a related field. Proven experience working with Android Java or Kotlin with embedded systems. Knowledge of the software development life-cycle. The desire to work in a fast-paced environment. Ability to develop unit testing ...

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 … career to the next level. We're looking for people who have incredible potential. Technical expertise with at least one programming language (we use Kotlin and a bit of Ruby), and ideally experience with relational databases. Proven track record – You've made a demonstrable impact in your previous roles ...

engineering excellence. The role is based in London and the team is international. What you will do Design, build, and operate backend services in Kotlin and Python that power our trading products, from core trading workflows to client-facing APIs. Develop and improve services for order management, market data … technical decisions, writing clean, maintainable code and sharing knowledge across the team. What you will need Professional experience building backend services, ideally in Kotlin and/or Python. Solid experience designing and building backend services and REST APIs; experience with WebSockets or other real-time streaming protocols such ...

right tools and processes to make our product the best in show! As an Android Engineer, this position involves: Product development in Android (Kotlin), supporting customer-facing and platform features System architecture design, implementation, and testing Working in an Agile environment with attention to detail, quality and continuous integration … party APIs Other cultures and teams across our other hubs in Barcelona, Berlin, London and moreRequired skills and experience: "Product Engineering" mindset Knowledge of Kotlin Pragmatism - simplicity, efficiency, and performance The desire for quality and testing A willingness to learn new technologies and frameworks Good communication in EnglishWhat ...

engineering excellence. The role is based in London and the team is international. WHAT YOU WILL DODesign, build, and operate backend services in Kotlin and Python that power our trading products, from core trading workflows to client-facing APIs. Develop and improve services for order management, market data processing … discussions and technical decisions, writing clean, maintainable code and sharing knowledge across the team. WHAT YOU WILL NEEDProfessional experience building backend services, ideally in Kotlin and/or Python. Solid experience designing and building backend services and REST APIs; experience with WebSockets or other real-time streaming protocols such ...

Location: LondonDepartment: TechnologyExperience Level: Experience ProfessionalsContact: Paul KrugJob ID: REQ8322Role overviewWe are hiring a senior engineer to build and operate the data systems that turn vendor feeds, weather data, and satellite and vessel-tracking signals ...

full SDLC and shape features across identity, organization, membership, groups, and workspaces within a distributed, multi-tenant SaaS environment. You will work with Kotlin and Go, using Kubernetes, OpenTelemetry, and Grafana to ensure reliability and performance. #J-18808-Ljbffr ...

Hopeghospital is seeking a Mid/Senior Android Engineer in Greater London. The role involves designing and developing scalable Android applications using Kotlin and Java, integrating REST APIs, and mentoring junior developers. The ideal candidate has strong skills in MVVM and Clean Architecture, with a focus on app performance ...

Zopa Bank is seeking an experienced Android developer to take our mobile app to the next level. You will shape the Android experience in Kotlin, work on architecture and shared libraries, and help migrate away from React Native toward a native Android approach. You will collaborate with design, product ...

Engineering team within Personal Investing in London, delivering cloud-native microservice architectures and secure, scalable banking experiences. You will work on Java/Kotlin-based solutions across fraud, investments, identity services, money transfers, and core banking, collaborating with distributed teams to rapidly ship features. The role emphasizes software craftsmanship ...

London on a hybrid basis. You will work on high-impact projects for iconic sports brands, focusing on delivering scalable Android applications using Kotlin and Jetpack Compose. Your role will involve collaboration with cross-functional teams, ensuring quality through best practices and contributing to architectural decisions. A passion ...

Senior Full Stack Kotlin Developer Location: London- Hybrid (2 days onsite) Salary: £55,000- £70,000 We are seeking a Senior Full Stack Kotlin Developer to join a growing digital consultancy delivering transformative digital solutions for a range of Public and Private sector clients. Working within multidisciplinary teams ...

asset classesDesign pricing and risk logic, market data processing, and order handlingOptimise data flow and system throughput under real-time constraintsImplement core components in Kotlin (some C++ and legacy Python/Java)Engineer for reliability—testing, monitoring and rapid fault recoveryWhat You'll BringSolid command of CS fundamentals—algorithms … architecture, systemsAdvanced experience in Kotlin or Java (Other languages considered C#/F#/C++)Deep familiarity with Linux environments and system-level APIsExperience with high-throughput, low-latency systemsAbility to work independently and review code for correctness and clarityFinance experience not required, but curiosity helpsWhy ApplyHigh-impact team ...