351 to 375 of 444 Permanent Kotlin Jobs

Schools , and Voop for Parents . Frontend build-out of modern web applications and mobile apps for iOS and Android using React and Kotlin Multiplatform. Deployment, optimisation, and real-world testing during pilots and large-scale rollouts. From day one, you’ll contribute to production code, shape product direction … including real-time web apps, mobile apps, and backend services. Design and implement frontend experiences across web and mobile (React/React Native/Kotlin Multiplatform). Build and optimise backend services (Hono, Postgres, AWS, Kamailio) powering the Voop network. Work on systems for mobile network management , device control ...

include: Design, build, and evolve backend services that power pricing and promotions across multiple customer channels. Develop scalable microservices and APIs using Java/Kotlin, enabling reliable and efficient pricing calculations and promotions management. Contribute to Kafka-based event-driven architectures that support high-volume price publishing and promotional … strong backend engineer with significant experience designing and operating scalable services in production environments. A working knowledge with 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, and asynchronous ...

Scale Identity Services: Design, develop, and maintain enterprise Authentication infrastructure built primarily on Java and Keycloak , alongside high-concurrency Authorization microservices in Go and Kotlin . Deliver End-to-End Features (React): Build clean, secure, and responsive frontend applications and admin dashboards using React to support seamlessly integrated user … Solid Java Backend Experience: Commercial experience in backend engineering, with a strong primary focus on Java , and comfort working in a polyglot environment (Go, Kotlin). Domain Knowledge in AuthN & AuthZ: Hands-on experience with identity protocols (OAuth 2.0, OpenID Connect, SAML) and custom/open-source identity providers ...

intelligent rate‐limiting, and solving complex concurrency challenges (e.g., database locks and connection starvation). Deliver thought leadership and coding excellence across Java/Kotlin, ensuring seamless integration between backend microservices and UI components (including resolving complex CORS and distributed edge proxy requirements). Mentor and elevate engineers across … agentic programming patterns and LLM‐assisted workflows to accelerate platform engineering and developer velocity. Deep expertise in backend JVM languages (Java and/or Kotlin) with a strong understanding of distributed systems internals. Proven track record of delivering API‐first infrastructures, API Gateways (e.g., Traefik), and edge routing solutions ...

intelligent rate‐limiting, and solving complex concurrency challenges (e.g., database locks and connection starvation). Deliver thought leadership and coding excellence across Java/Kotlin, ensuring seamless integration between backend microservices and UI components (including resolving complex CORS and distributed edge proxy requirements). Mentor and elevate engineers across … agentic programming patterns and LLM‐assisted workflows to accelerate platform engineering and developer velocity. Deep expertise in backend JVM languages (Java and/or Kotlin) with a strong understanding of distributed systems internals. Proven track record of delivering API‐first infrastructures, API Gateways (e.g., Traefik), and edge routing solutions ...

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 ...

intelligent rate-limiting, and solving complex concurrency challenges (e.g., database locks and connection starvation). Deliver thought leadership and coding excellence across Java/Kotlin, ensuring seamless integration between backend microservices and UI components (including resolving complex CORS and distributed edge proxy requirements). Mentor and elevate engineers across … agentic programming patterns and LLM-assisted workflows—to accelerate platform engineering and developer velocity. Deep expertise in backend JVM languages (Java and/or Kotlin) with a strong understanding of distributed systems internals. Proven track record of delivering API-first infrastructures, API Gateways (e.g., Traefik), and edge routing solutions ...

intelligent rate-limiting, and solving complex concurrency challenges (e.g., database locks and connection starvation). Deliver thought leadership and coding excellence across Java/Kotlin, ensuring seamless integration between backend microservices and UI components (including resolving complex CORS and distributed edge proxy requirements). Mentor and elevate engineers across … agentic programming patterns and LLM-assisted workflows to accelerate platform engineering and developer velocity. Deep expertise in backend JVM languages (Java and/or Kotlin) with a strong understanding of distributed systems internals. Proven track record of delivering API-first infrastructures, API Gateways (e.g., Traefik), and edge routing solutions ...

view with close, day‐to‐day engagement in real technical challenges. Responsibilities: Own, design, and build core components of the Prime Brokerage platform in Kotlin/Java. Shape complex business requirements into clear technical direction and maintainable solutions. Lead planning and estimation with technical teams and business stakeholders. Stay … Development are essential. Experience designing and developing robust and resilient event‐driven architectures. Experience in any number of additional technologies (listed below) is advantageous: Kotlin Messaging Technologies (Kafka, Solace, TIBCO) Database/Data Store/Data Query Technologies (SQL Server, Mongo, S3) Cloud Technologies (Kubernetes, Open Shift) Observability Technologies ...

Meet the Team Cisco ThousandEyes is a Digital Experience Assurance platform that empowers organizations to deliver flawless digital experiences across every network - even the ones they don’t own. Powered by AI and an unmatched ...

next generation of financial products, including lending platforms, credit cards, auto-finance solutions, and new launches planned for this year. As a Senior Kotlin Engineer, you’ll join a newly forming pod with the opportunity to influence architectural decisions, shape design discussions, and help deliver elegant solutions to complex … financial challenges. This is a role for an engineer who not only writes clean, idiomatic Kotlin but also elevates those around them through collaboration and thoughtful technical leadership. What You’ll Do Develop and maintain high-performance backend services in Kotlin, contributing to APIs, internal tooling ...

Software Engineer - Data (Java/Kotlin/Python) Do not apply if you do not have experience within Financial services, working with Java data pipelines as you will not be considered. 6-month initial contract | Onsite (potential for hybrid) An elite quantitative research and trading firm is looking … ingestion and transformation pipelines Working across SQL Server, JVM applications, and Spark-based workloads Contributing improvements to data quality, performance, and maintainability Tech environment Kotlin & Spring Boot for core data processing services Python for tooling and automation Legacy systems in C# and Scala/Spark Exposure to data lakes ...

Radar Page is looking for a Software Engineer in Cheltenham, UK to help design, build, and deliver secure digital solutions. Candidates must have strong Kotlin experience and be skilled in developing reliable Android applications using Jetpack Compose. The role involves collaborating with engineers and delivery specialists while ensuring efficient ...

maintain features in our Android app, collaborating across engineering, QA, product, and design to deliver high-quality, polished experiences. You’ll focus on modern Kotlin, Jetpack Compose, and scalable architectures, while contributing to CI/CD pipelines and test automation to ensure reliable releases. #J-18808-Ljbffr ...

/CD and cloud-native engineering practices. Utilise AI-powered development tools to support software engineering workflows. Tech Stack Java (including JDK migration work) Kotlin Python Kubernetes ArgoCD OpenTelemetry Modern CI/CD pipelines Requirements Commercial software engineering experience using Java. Experience upgrading or modernising Java applications (JDK migrations … building distributed systems or backend services. Familiarity with Kubernetes and containerised applications. Exposure to observability tooling such as OpenTelemetry or similar. Experience working with Kotlin and/or Python would be beneficial. Interest in building reliable, scalable infrastructure supporting high-performance systems. #J-18808-Ljbffr ...

focus on low-latent messaging solutions and highly available event-driven services. Must have experience: 5+ years experience in JVM, we use both Kotlin and JavaMulti-threading, concurrency and Low-latency experienceExposure to Kotlin as well as Strings, Memory Management and associated problems a plusAutomated test experience, Unit … Kafka a huge plusTo excel in this role, you will need a minimum of 7 years' experience in JVM, with proficiency in both Kotlin and Java. Experience in multi-threading, concurrency, and low-latency is essential, as well as exposure to Kotlin, Strings, Memory Management, and associated problems. ...

whether that's within our project teams or in the wider mobile community. What you'll be doing: Building high-quality mobile apps with Kotlin Multiplatform (KMP) and Compose Multiplatform (CMP), using shared business logic and UI across iOS and other platforms Writing clean, maintainable and well-tested code … using Kotlin and modern mobile development practices Creating intuitive, responsive user interfaces using Compose Multiplatform, faithfully recreating the existing product Integrating shared Kotlin Multiplatform modules with native iOS platform APIs (e.g. biometrics, Apple Wallet, keychain, push notifications) and contributing to shared KMP codebases Working closely with the wider ...

whether that's within our project teams or in the wider mobile community. What you'll be doing: Building high-quality mobile apps with Kotlin Multiplatform (KMP) and Compose Multiplatform (CMP), using shared business logic and UI across iOS and other platforms Writing clean, maintainable and well-tested code … using Kotlin and modern mobile development practices Creating intuitive, responsive user interfaces using Compose Multiplatform, faithfully recreating the existing product Integrating shared Kotlin Multiplatform modules with native iOS platform APIs (e.g. biometrics, Apple Wallet, keychain, push notifications) and contributing to shared KMP codebases Working closely with the wider ...

whether that's within our project teams or in the wider mobile community. What you'll be doing: Building high-quality mobile apps with Kotlin Multiplatform (KMP) and Compose Multiplatform (CMP), using shared business logic and UI across iOS and other platforms Writing clean, maintainable and well-tested code … using Kotlin and modern mobile development practices Creating intuitive, responsive user interfaces using Compose Multiplatform, faithfully recreating the existing product Integrating shared Kotlin Multiplatform modules with native iOS platform APIs (e.g. biometrics, Apple Wallet, keychain, push notifications) and contributing to shared KMP codebases Working closely with the wider ...

whether that's within our project teams or in the wider mobile community. What you'll be doing: Building high-quality mobile apps with Kotlin Multiplatform (KMP) and Compose Multiplatform (CMP), using shared business logic and UI across iOS and other platforms Writing clean, maintainable and well-tested code … using Kotlin and modern mobile development practices Creating intuitive, responsive user interfaces using Compose Multiplatform, faithfully recreating the existing product Integrating shared Kotlin Multiplatform modules with native iOS platform APIs (e.g. biometrics, Apple Wallet, keychain, push notifications) and contributing to shared KMP codebases Working closely with the wider ...

delivery of customer-facing Android experiences. You’ll own significant Android features end-to-end, shape a scalable architecture, and stay hands-on with Kotlin and Jetpack Compose. Working closely with Product, Design, and Engineering, you’ll turn customer problems into reliable, polished releases, mentor other engineers, and raise … offs, ship safely, and learn from outcomes Set and evolve Android architecture, modularisation, and engineering practices as the product scales Build hands-on with Kotlin and Jetpack Compose, producing maintainable, well-tested code Drive performance, reliability, accessibility, and a polished customer experience Lead code reviews and raise standards ...

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 ...

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 … Contribute to a culture of continuous learning, knowledge sharing, and technical excellence. Who You Are You have experience developing Android and iOS applications using Kotlin, Swift, or Objective‐C. You know how to build maintainable, scalable, and well-tested software systems. You are comfortable working within large codebases ...

Azure, and/or GCP Strong understanding of observability ecosystems including: Grafana Loki Prometheus OpenTelemetry tooling Strong scripting/programming experience with Python, Kotlin, Bash, or similar languages. Experience with build and dependency tooling such as Gradle, Poetry, and UV. Strong understanding of Linux internals, networking, distributed systems … Knowledge of modern platform engineering trends, GitOps practices, and cloud-native ecosystems. Technologies You’ll Work With Jenkins, Kargo, ArgoCD Terraform & Terraform Enterprise Python, Kotlin, Gradle UV, Poetry Our Commitment to Diversity, Equity, Inclusionand Belonging (DEIB) We believe attracting and retaining the best talent and fostering an inclusive culture ...

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 ...