12 of 12 Kotlin Jobs in the City of London

development Experience working within an Agile Scrum methodology in a cross-functional team (Product Owners, Delivery Managers, UI/UX, QA, etc.) Proficiency in Kotlin Experience with XML or Jetpack Compose Strong communication skills and a collaborative team approach Desirable Experience working on banking or financial services applications Understanding ...

initiatives. Familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products. Preferred Qualifications: Strong proficiency in Kotlin Advanced proficiency with Jetpack components/Jetpack Compose, Android UI/UX best practices, and performance optimisation Deep understanding of Android app architecture patterns ...

debugging to deployment and optimisation. Influence technical decisions and shape the future of our mobile strategy. What We’re Looking For Strong experience in Kotlin and Android app development. Proven track record building enterprise-grade Android applications. Deep understanding of mobile best practices, including UI/UX, testing ...

experience. AI/ML Focus : Experience with Large Language Models ( LLMs ), agentic development, Vertex AI , and vector databases (semantic search). Additional Skills : Java, Kotlin, and Go are 'nice-to-have' but not mandatory. Randstad Technologies is acting as an Employment Business in relation to this vacancy. ...

proof paradigms. Responsibilities: Lead the full-stack architectural design and implementation of biometric identity verification solutions spanning React web applications, Swift iOS SDKs, and Kotlin Android SDKs Drive technical strategy and roadmap development for the Biometrics platform, ensuring alignment with emerging industry standards including NIST FRTE and FIDO Alliance … biometric data protection and zero-knowledge proof integration Contribute to design of unified SDK architecture that provides consistent developer experience across React, Swift, and Kotlin platforms Drive the development of real-time biometric liveness detection capabilities with sub-second response times and 99.9% accuracy Basic Qualifications, Skills & Experience Bachelor ...

Senior experience level General QA experience testing python/Django applications Experience with automated continuous integration and regression testing Using Behave, Kotlin and Selenium toolset BDD-style automated acceptance testing using Gherkin feature files Experience writing test code (for automated tests, we want to avoid anyone who has only ...

apps used by millions of travellers. Partner with Product, Design, and back‐end teams to turn requirements into robust Android solutions. Write clean, maintainable Kotlin code using modern Android architectures and Jetpack libraries. Ensure performance, stability, and accessibility across the Android experiences you own. Own the quality and reliability … related technical field; or equivalent related professional experience. 2+ years of relevant professional experience building and shipping native Android applications. Proficient in Kotlin (and familiar with Java), with a solid grasp of Android fundamentals and app lifecycle. Comfortable working with REST/GraphQL APIs, client/server patterns ...

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 ...

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 ...

core pieces of our Android SDK: performance, stability and developer experience. You’ll profile power, latency and memory, optimise threading and networking, shape public Kotlin APIs and harden telemetry. You’ll also take ownership of production issues surfaced by Solutions Engineering and Customer Success: reproduce, fix the root cause … device classes Define and monitor SDK health metrics at scale (crashes, ANRs, error rates, perf envelopes) API design and developer experience Design clear, stable, Kotlin-first public APIs (versioned, well-documented, testable) Implement best practices for networking, auth and IO; make failure modes deterministic and observable Maintain Android sample ...

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 ...