201 to 225 of 358 Kotlin Jobs in England

Staff Engineer, Core Platform & Infra (AWS)

Location
Greater London, England, United Kingdom
team and own significant pieces of work end to end, driving technical direction for our infrastructure. You will build production services in Java/Kotlin, implement infrastructure as code, and enhance reliability with Datadog, GitHub Actions, and cost-aware AWS operations. #J-18808-Ljbffr ...

Senior Graph Data Connectors Engineer

Location
Greater London, England, United Kingdom
features and may build front-ends for integrations when needed. Applicants should have 5+ years of production-grade software development experience, be proficient in Kotlin/Java/Go, and have exposure #J-18808-Ljbffr ...

Android Technical Lead - Strategy & Delivery

Location
Greater London, England, United Kingdom
quality delivery. Candidates should have over two years of experience in a Lead capacity, excellent communication skills, and proficiency in key technologies such as Kotlin, Retrofit, and ExoPlayer. This role offers an exciting opportunity to work on innovative solutions for leading brands. #J-18808-Ljbffr ...

Software Engineering Placement - Real Impact & Hybrid Work

Location
Leeds, England, United Kingdom
platforms and digital services used by millions of customers and colleagues. You will gain hands-on experience across languages such as Java, Python, TypeScript, Kotlin, Swift, Rust and Golang, with exposure to cloud infrastructure, automation and modern engineering practices. #J-18808-Ljbffr ...

Senior Backend Engineer, AI Insurance Platform

Location
Greater London, England, United Kingdom
models, and agent-assisted workflows from day one. You’ll work directly with underwriters and engineers to deliver robust, scalable software. You’ll leverage Kotlin/Java in backend services, apply judgment in design, and responsibly use AI tools like Claude to accelerate delivery while maintaining #J-18808-Ljbffr ...

Senior Android Tech Lead, Core Product

Location
Greater London, England, United Kingdom
reliability metrics, and collaborating with teams to deliver high-quality Android experiences. The ideal candidate should have over five years of software engineering experience, Kotlin expertise, and a user-centric problem-solving approach. Join a fast-growing team dedicated to making reading accessible for all. Competitive salary ...

Senior Android Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day Inside IR35 via Umbrella
builds in-app messaging and social platforms. Direct/Indirect Management: Indirect only (cross-team project lead/mentoring). Top 3 Hard Skills: Kotlin/Android (8+ yrs), Agentic tools (Cursor/Claude), Real-time sync & API performance. Top 3 Soft Skills: Collaboration, Team-first mindset, Safety/ ...

Backend Engineer - Capital Markets SaaS

Location
Greater London, England, United Kingdom
availability systems Collaborate with product and frontend teams Improve system performance and resilience Contribute to technical design discussions Required Experience Backend engineering experience (Java, Kotlin, or similar) Financial services or capital markets exposure API and database design experience Experience working on production systems Understanding of distributed systems Nice ...

Android Engineer

Hiring Organisation
SCALERS GROUP LIMITED
Location
City of London, South East, United Kingdom
Employment Type
Temporary Contract, Hybrid
Salary
From £500 to £550 per day
scalable, and fit for purpose. Mentor and guide other engineers to uphold high coding standards and best practices. Skills & Experience Required Strong experience using Kotlin Android architecture patterns SOLID design principles Experience with Google Ad Manager Unit testing with JUnit and Mockito UI automation testing with Espresso ...

Staff Engineer - Core Platform

Location
Greater London, England, United Kingdom
Production AWS experience, including when it goes wrong Strong backend development experience building and running production services. Our core codebase is Java/Kotlin Infrastructure as code in any tool Highly valuable Identity and access: OIDC, SAML, multi-tenant models GitHub Actions at depth Fero provides equal employment opportunities ...

Malware Reverse Engineer (Android)

Location
Manchester, England, United Kingdom
duties will reflect your experience. Malware Reverse Engineering Perform detailed static and dynamic analysis of Android applications and SDKs. Analyse heavily obfuscated Java/Kotlin applications, native code, and framework applications (e.g., Flutter, .NET MAUI, React Native). Investigate packers, in-memory loading techniques, encrypted payloads and anti-analysis ...

Software Engineer (Mobile Security)

Location
West of England, England, United Kingdom
engineers from Android, iOS or mobile platform backgrounds, with opportunities available across multiple levels of experience. Key Requirements Commercial experience developing mobile applications using Kotlin/Android and/or Swift/iOS Strong understanding of mobile application security principles Experience implementing authentication, encryption and secure storage solutions Knowledge …/CD pipelines Collaborating with engineering, architecture and security teams Driving continuous improvements in mobile security standards and practices Technical Skills Mobile Development Kotlin Android Swift iOS SwiftUI UIKit Jetpack Android SDK Swift Package Manager Mobile Security OWASP Mobile Top 10 OWASP MASVS Mobile Application Security Secure Coding Threat ...

Software Engineer (Mobile Security)

Hiring Organisation
ARM
Location
Bristol, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £850/day Inside IR35 (Negotiable Market rate)
engineers from Android, iOS or mobile platform backgrounds, with opportunities available across multiple levels of experience. Key Requirements Commercial experience developing mobile applications using Kotlin/Android and/or Swift/iOS Strong understanding of mobile application security principles Experience implementing authentication, encryption and secure storage solutions Knowledge …/CD pipelines Collaborating with engineering, architecture and security teams Driving continuous improvements in mobile security standards and practices Technical Skills Mobile Development Kotlin Android Swift iOS SwiftUI UIKit Jetpack Android SDK Swift Package Manager Mobile Security OWASP Mobile Top 10 OWASP MASVS Mobile Application Security Secure Coding Threat ...

Software Engineer III- JPM Personal Investing- Mid Level

Location
Greater London, England, United Kingdom
microservice architecture applications leveraging the latest technologies and the best industry practices. Design, estimate costs for and implement technical solutions written in Java/Kotlin Write unit, component, integration, end-to-end & performance tests Support the products you've built through their entire life cycle, including production and incident … back-end software engineer in an agile, dynamic and customer facing environment Recent experience with using a JVM language (Java/Scala/Kotlin, preferably Java 8+) Understanding of RESTful APIs and web technologies Understanding of relational databases Experience in all the stages of software development lifecycle (requirements, design ...

Lead Software Engineer- Java- JPM Personal Investing

Location
Greater London, England, United Kingdom
user’s needs and follow an Agile SDLC to develop and deliver product features. Our stack is Java/Springboot with a bit of Kotlin, DynamoDB, Aurora/MySQL and AWS. Participate with the rest of the team in the process of designing how our architecture needs to evolve … business and product needs to provide a great user experience in a timely manner Experience with a JVM language (Java/Scala/Kotlin) and Springboot Experience designing systems from scratch as well as understanding how to evolve existing architectures to achieve new goals, both serverless and managed ...

Lead Mobile Engineer

Location
Lancaster, England, United Kingdom
managing the mobile engineering team, with a tech stack spanning (in order of importance): Native iOS (Swift, SwiftUI, AVFoundation, Core ML, Vision) Native Android (Kotlin, Jetpack Compose, CameraX, ML Kit, TensorFlow Lite) Computer vision and on‐device ML for Q-ID authentication Mobile SDK design and distribution, for partners … years in mobile software engineering, with at least 3 years leading teams. Deep, hands‐on expertise in both native iOS (Swift) and native Android (Kotlin). Experience with camera, computer vision and on‐device ML on mobile (Core ML/Vision/ML Kit/TensorFlow Lite, or equivalent ...

Senior Full Stack Developer (Kotlin, React) – Banking – London

Location
Greater London, England, United Kingdom
Senior Full Stack Developer (Kotlin, React) – Banking – London Daily rate: £500 – £700 (inside IR35) Duration: 6 – 12 months Hybrid: 3 days per week in office Start: ASAP We’re looking for a hands‐on engineer who thrives in a collaborative XP environment and enjoys working across the full stack. … GitHub Copilot to speed up small, safe iterations; keep humans in the loop; share prompts, patterns, and learnings with the team Skills and Experience Kotlin development, or experience in Java/Scala and a desire to cross train TypeScript and ReactJS with experience using a JVM language ...

Senior Java Engineer - Platform APIs & Edge Routing

Location
Manchester, England, United Kingdom
enterprise-scale API gateways, edge routing, and developer acceleration, while mentoring global teams and driving modern GitOps practices. You will work with Java/Kotlin in a distributed backend, collaborate with architects, and ensure high availability and performance under heavy workloads. #J-18808-Ljbffr ...

Real-Time Backend Engineer | Crypto Trading Platform (London)

Location
Greater London, England, United Kingdom
will work on order management, market data processing, and real-time client APIs, collaborating closely with product, frontend, and trading teams. Applicants should have Kotlin or Python backend experience, proficiency with REST APIs and WebSockets, and knowledge of SQL, Docker/Kubernetes, and AWS. #J-18808-Ljbffr ...

Prime Brokerage Tech Lead - Hands-on Architect & Mentor

Location
Greater London, England, United Kingdom
Citi is seeking a hands-on engineer to lead and deliver core Prime Brokerage components using Kotlin/Java, shaping technical direction and ownership. You will collaborate with stakeholders, drive planning and estimation, and stay hands-on to push changes into production. The role emphasizes high engineering standards, shift ...

Senior Backend Engineer — Remote UK

Location
Greater London, England, United Kingdom
that operates remotely for UK residents. The role focuses on designing scalable backend services, mentoring junior engineers, and delivering high-quality code across Python, Kotlin, and Ruby components. You will collaborate with product managers and designers, deploy frequently with CI/CD pipelines, and contribute to the overall engineering ...

Staff Backend Engineer & Architect (Remote)

Location
Greater London, England, United Kingdom
with occasional travel within Europe and collaboration with cross-functional teams across markets. You will work primarily with Node.js and TypeScript, with Java and Kotlin as nice-to-have skills, and leverage Temporal, SpiceDB, PostgreSQL, Kafka and Redis. Strong engineering fundamentals and leadership are valued as we scale. #J ...

Staff Engineer — Agentic AI, Cloud & Data Platforms

Location
City of Westminster, England, United Kingdom
technology, collaborating with business users to translate needs into scalable solutions. The role emphasizes Agentic AI, cloud platforms (GCP, Snowflake), and modern Java/Kotlin development in a large commercial environment. Expect a competitive salary up to £115,000, a 35-hour week, and the chance to influence critical ...

Member of Technical Staff

Location
Greater London, England, United Kingdom
learning from our production performance, our psych research team, and scalable data sources. Our product tech stack uses Dart/Flutter for the app, Kotlin for core backend services, and Next.js/TypeScript for internal tooling, as well as Rust for low level media streaming. We use gRPC ...

Backend Engineer (AI Native)

Location
Greater London, England, United Kingdom
They're far more interested in strong engineering fundamentals, problem-solving ability and people who can quickly learn new technologies. The Tech Stack: Backend: Kotlin, supported by the wider Java ecosystem. Frontend: React, Vite and TanStack. Infrastructure and orchestration: Temporal. LLM routing: Portkey. AI infrastructure: A specialised LLM harness ...