26 to 40 of 40 Kotlin Jobs in London

producing high-quality technical documentation (Confluence/SharePoint) Active SC clearance (ideally used within last 6 months) DESIRABLE Event-driven architecture experience Knowledge of Kotlin and migration to Java/Python Experience with Power BI/GenAI (nice to have) AWS and/or Azure certifications TO BE CONSIDERED ...

deterministic agents You’ll be defining what “good” reliability looks like from day one. ⚙️ Tech Snapshot GCP | Terraform | Cloud Run | Kubernetes (planned) | Python | Kotlin | GitHub Actions | Temporal | Cloud Monitoring & Logging 👀 What They’re Looking For 4+ years in DevOps/SRE/Platform Engineering Strong Terraform & Infrastructure-as-Code ...

Leading feature delivery and contributing to technical strategy. Collaborating closely with designers and product managers to ship beautiful, intuitive Android experiences. Writing clean, maintainable Kotlin using Jetpack Compose as a first-class citizen. Championing engineering best practice - pairing, mobbing, TDD, continuous delivery. Designing secure, scalable solutions with performance … thinking into the team. Mentoring and supporting fellow engineers to level up together. What we're looking for Strong experience building Android apps with Kotlin and Jetpack Compose . Excellent understanding of modern app architecture and design patterns. Passion for agile delivery and releasing value early and often. Experience ...

systems using modern engineering practices. The environment is data-driven, product-focused, and centred around delivering real value to customers. Tech environment Java/Kotlin (JVM ecosystem) Microservices architecture Cloud-native (AWS/GCP) Spring/Spring Boot Docker & Kubernetes Messaging & streaming technologies Distributed tracing and observability tooling What … downtime releases Collaborating in cross-functional squads and contributing to engineering best practices What we’re looking for Strong backend engineering experience (Java/Kotlin preferred) Experience working with distributed systems and cloud technologies A problem-solving mindset with a focus on quality and ownership Comfortable working in fast ...

Senior Android Engineer London (Hybrid — 2 days onsite per week) Kotlin • Compose • Coroutines • Modular Architecture • KMP A high-growth technology business in the data and privacy space is looking for a Senior Android Engineer to join the team building their flagship app. This product helps users understand, control … benefit from their data, and sits at the heart of a rapidly expanding consumer and B2B ecosystem. Their Android app is fully Kotlin-based, heavily modularised, and all new features are built with Jetpack Compose. Coroutines and Flows are used extensively throughout, testing is taken seriously (unit ...

ecosystem , including: Scala (core backend) AKKA framework (with migration toward PEKKO) Gradual migration toward Java/Spring Boot Node.js for integrations and connectors Some Kotlin usage The environment is language-agnostic in mindset. Strong backend fundamentals matter more than experience across every language. You’ll be working on complex … support continued platform and product growth. What We’re Looking For ✅ 5+ years backend engineering experience ✅ Strong JVM ecosystem experience (Java, Scala, or Kotlin) ✅ Strong SQL and relational database experience ✅ Experience working with complex systems and large datasets ✅ Comfortable working in scale-up environments with shifting priorities ✅ Proactive, problem ...

QA Automation Engineer London - 2 days in the office Up to £60,000 plus benefits This is an exciting opportunity to join a high‐growth technology environment where quality engineering plays a central role. You ...

QA Automation Engineer London - 2 days in the office Up to £60,000 plus benefits This is an exciting opportunity to join a high-growth technology environment where quality engineering plays a central role. You ...

months, you will : Architect and launch the first production version of our new B2B React Native application. Provide reliable senior-level cover for the Kotlin Android codebase. Establish clear migration principles for introducing React Native into an existing native environment. Build trust across Data, Product, and Mobile teams … modern animation libraries. You will define architectural standards and ensure scalability from day one. Maintain & Stabilise - Provide senior-level coverage for the existing Kotlin Android application (Clean Architecture, MVVM). Ensure stability for both staff-facing and passenger-facing applications operating in live rail environments. Strategise Migration - Formulate ...

London (2x per week) We are very excited to be continuing our partnership on this exclusive position to join the company as a Kotlin Software Engineer from a JVM background. You will be joining a highly innovative scale-up leading at the forefront of the GreenTech industry, as they … clean energy for the charging of electric vehicles. In this position, they are looking for experience in: 3+ years commercial experience JVM development - Java, Kotlin or Scala (Bonus) if you have already worked with Kotlin Microservices architecture Public cloud technologies e.g. AWS Have worked in modern, product-focused ...

hands-on, high-autonomy role where you'll architect a new React Native application from the ground up while stabilising and evolving an existing Kotlin Android app used in live rail environments. If you enjoy working across both greenfield builds and complex Legacy systems , and thrive in environments where … your technical decisions have real-world impact, this role is for you. Skills required: 6+ years of mobile engineering experience Strong Kotlin expertise (Clean Architecture, MVVM, DI, Coroutines/Flow) Proven React Native experience beyond UI (native modules, Bridge/JSI, performance) Experience integrating React Native into an existing ...

Lead & Senior Software Engineer | Fintech Accelerator | London | Scale-up Impact The Opportunity Born from the successful launch of a major digital bank, we are hiring a high-growth venture team with a fresh mission. Building ...

design solutions that integrate seamlessly into real world transport systems. What you will be doing Design and build advanced Android SDK features using Kotlin and Java Solve complex problems around location, background services and mobile performance Build reliable APIs and tools that other mobile teams integrate into their applications … large scale consumer applications Continuously improve performance, security and reliability across the platform What we are looking for Strong experience building Android applications in Kotlin or Java Experience working on complex mobile systems such as SDKs, frameworks or large scale applications Experience with reactive programming such as RxJava Deep ...

Card Company Location: AMEX London Victoria 3 days/week, 2 days/week WFH Years of Exp: 3-9 years Skills: Full Stack, Kotlin (essential), TypeScript (essential), CI/CD, Java £25-£40/hr depending on experience and assessment level, Inside IR35 Visa sponsorship is not available. … Strong fundamentals of Computer Science to scale developments. Excellent communication & interpersonal skills. Creative and a good team worker. Kotlin (or strong Java) & TypeScript mainly – full stack ideally. Fundamentals are very important. Data structures, algorithms & system designs. Online test will be given in the first instance. Successful candidates will ...

Make smart build vs buy decisions and own the trade-offs This isn’t a feature factory. You’ll design, build, ship, own. Tech: Kotlin (open to any JVM background), Python, Terraform, Agentic AI, cloud-native, event-driven services If you’ve built fault-tolerant, distributed systems before, tools … matter less than judgement You’ll Have 3+ years building production distributed systems in a startup environment, using backend languages like Java, Kotlin, Scala, Python, C++, Rust or Go Experience designing external-facing APIs and working with messy, unstructured data Shipped AI/LLM systems beyond proof-of-concept ...