401 to 425 of 444 Permanent Kotlin Jobs

CreateFuture is seeking a Senior Backend Engineer to design, build and mentor teams delivering scalable Kotlin/Spring Boot services. You’ll influence architecture, embed AI and automation, and partner with clients to realise measurable business value. You’ll thrive solving complex problems, leading technical discussions, and delivering high ...

CreateFuture is seeking a Senior Backend Engineer to design, build and mentor teams delivering scalable Kotlin/Spring Boot services. You’ll influence architecture, embed AI and automation, and partner with clients to realise measurable business value. You’ll thrive solving complex problems, leading technical discussions, and delivering high ...

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 ...

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 ...

ClearRoute Limited in London is seeking a Senior Full Stack Developer to lead the build of an internal Skills Marketplace. The role combines Kotlin & Spring for backend with a React frontend, working within a client-facing project team, with hybrid work from Hatton Garden two days a week. ...

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 ...

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 ...

Android Engineer to design, develop, and enhance mobile applications used by millions of customers worldwide. The role focuses on building robust features with Kotlin, integrating backend APIs, and delivering clean, testable code in an agile environment. You will collaborate with designers, product owners, QA, and other developers, contributing ...

customer-facing Android experiences in its Core team. You will own significant features end-to-end, shape scalable architecture, and stay hands-on with Kotlin and Jetpack Compose. Collaborating with Product, Design, and Engineering, you will translate customer problems into polished releases, mentor peers, and raise Android platform quality ...

Android experiences. You will focus on clean user flows, fast performance, and high-quality mobile features that users rely on daily. You will implement Kotlin-based features, collaborate with product and design, and integrate REST APIs while keeping crashes and memory usage in check. A strong emphasis on reliable ...

will join a team building a brand new digital bank from scratch, contributing to core services and platform components. Experience with Java, Scala, or Kotlin, plus strong databases, distributed systems design, and a pragmatic engineering mindset are essential for this rolling 6‐month contract. You will work with modern ...

their own path and 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 ...

their own path and 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 ...

000London AreaDo you love coding with Kotlin? Have you worked in a fast-paced start-up environment? ð Senior Backend Engineer – AI transforming the future ðð Location: Hybrid in London approx. 1-2 days a week (flexible work hours)ð Compensation: Up to 105k + bonus + equityWe … minutes, without the never-ending manual work or compliance risks. Having just received their Series A funding, they're hiring Senior Backend Engineers with Kotlin (or a combination of Java & Kotlin experience) to build new product features, improve performance and scalability, and help define technical direction within ...

Guardian is seeking a Senior Android Developer to join the Apps Experience team. You will focus on Kotlin-based Android development, lead on projects, and collaborate across disciplines to deliver fast, reliable features for the Guardian app. You’ll work 90%+ in Kotlin, with some Java ...

excellent opportunity for an experienced engineer who enjoys solving ambiguous problems. has extensive experience and understanding of software engineering using Java/Kotlin in a commercial environment. Using your excellent systems thinking, agentic AI and data analysis skills to work with colleagues to understand and identify business problems. What … into scalable architecture and product strategy. Influence key decisions and champion continuous improvement. What youll need Extensive experience of software engineering. Experience with Java (Kotlin) in a commercial environment. Experience of building & implementing agentic systems using agent orchestration & frameworks and advanced prompt/context engineering. Experience of deploying/ ...

trade lifecycle systems. The position requires professional experience building backend services, REST API design, SQL knowledge, and experience integrating internal or third-party services. Kotlin and Python are the preferred backend languages. The employer does not state a salary amount, application deadline, or country in the listing. Role: Back … Meaningful equity, unlimited vacation, Apple equipment, ClassPass, and development budgets Trading Services And Backend Systems The engineer designs, builds, and operates backend services in Kotlin and Python. The systems include order management, market data processing, and trade lifecycle services. The work includes REST APIs and WebSocket streams. Reliability, availability ...

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 … next level. We’re looking for people who have incredible potential. Technical expertise with at least one programming language (we use Python, 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, standing ...

Harvey Nash Group in Birmingham is seeking a Senior Kotlin Developer to join a rapidly growing digital consultancy delivering large-scale, mission-critical software projects. You will work on complex backend systems, modern cloud-native architectures and high-impact digital services within collaborative, agile teams. The role offers ...

Salt Digital Recruitment in London is seeking a hands-on Senior Full Stack Developer specializing in Kotlin and React for a Banking project. You will collaborate across business and tech to ship frequent releases and influence product and technical direction in an XP environment. This role is hybrid ...

Alderley Edge is seeking a lead Android engineer to own delivery for a major area of our app. You will hands-on develop in Kotlin with Jetpack Compose, while coordinating a small team of engineers and mentoring others. Collaboration with API and platform teams will shape the evolution ...

owning features end-to-end. You’ll collaborate with product, design, data, and operations to solve real merchant and market needs, using Go/Kotlin on the backend and React/TypeScript on the frontend, with a modern cloud stack. #J-18808-Ljbffr ...

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 ...

will talk directly to the underwriters who use what you build. What you’ll be doing Design, build, and operate backend services in Kotlin or Java, and own them in production. Turn ambiguous underwriting problems into simple, reliable software. Much of the work is deciding what to build … feedback, and raise the engineering bar around you. What you’ll need to have done Strong professional experience building and running backend systems in Kotlin, Java, or another JVM language. Judgement in architecture and system design: a feel for what to build now, what to defer, and what will ...