126 to 150 of 180 Kotlin Jobs in the UK

Senior Java & Kotlin Backend Engineer — London Hybrid Contract

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Spectrum IT is seeking a Senior Java & Kotlin Backend Engineer for an initial two-month contract in London. The role focuses on greenfield backend development, building scalable microservices, and cloud-native applications. You will work with cross-functional teams to design, develop and deliver robust backend solutions. Ideal candidates … have strong Java/Kotlin experience, Spring Boot, microservices expertise, and familiarity with AWS, Docker, and CI/CD pipelines. #J-18808-Ljbffr ...

Software Engineer III, Full Stack, Publisher Inventory

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
deliver seamless end-to-end features. Write robust, well-tested, and high-performance code, ensuring high quality and reliability across our platform.### Skills Required* Kotlin* C++* TypeScript* Dart* Angular* Java* APIs* SDKs* LLM APIs* Generative AI### Tags:UKLondonAngular DeveloperFlutter DeveloperShare Job:Application planning## What to evaluate before applying### Visa … opening.Google profile### Interview preparation* Experience signal: Mid level experience. Minimum 2 years of experience with full stack development, across back-end such as Kotlin, C++ codebases, and front-end experience including TypeScript or equivalent. 2 years of experience with software development in one or more programming languages ...

Senior Mobile Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Software Engineer (Backend, Front office)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
using modern engineering practices and contribute to complex technical problem solving. Support the design and implementation of distributed, service-oriented architectures using Java or Kotlin, ensuring reliability and maintainability. Create intuitive and responsive user interfaces using React, improving how salespeople access insights and manage client workflows. Contribute … Functional programming, and proven use of XP/agile practices including TDD, acceptance testing, pair programming and continuous integration. Proficiency in Java or Kotlin, and familiarity with building modern web applications using Typescript and React. Experience applying iterative development to deliver high-value outcomes in complex domains. Exposure ...

Software Developer (Android)

Hiring Organisation
Innovative Technology
Location
Oldham, Greater Manchester, North West, United Kingdom
Employment Type
Permanent
Software Developer (Android): Design, develop, test and maintain Android applications Build robust, scalable and user-friendly mobile features Work with Android SDK, Kotlin and/or Java, Android Studio, Gradle, and modern Android development practices Collaborate with technical teams and stakeholders across the business Participate in code reviews … requirements, Play Integrity, Google APIs, Firebase services and Android compatibility standards Essential Skills & Experience: Minimum 3 years' commercial Android development experience Experience with Kotlin and/or Java Hands-on experience publishing and maintaining apps on the Google Play Store Strong debugging, problem-solving and communication skills Your Package ...

Head of Engineering

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
Engineering Manager or Tech Lead ready for your first Head of role. You’ll thrive here if you: Have a strong JVM background (Scala, Kotlin or Java) particularly using functional programming principles Possess a strong testing mindset with experience in TDD and CI/CD practices. Are experienced with … most of that resonates (even if your path has been unconventional) we’d love to hear from you. Our Stack Languages & Frameworks Scala, Kotlin, Typescript, Python Http4s, Http4k, Circe, Cats, Cats-Effect, Doobie, React, Exposed Testing Specs2, ScalaCheck Infrastructure & DevOps AWS (EKS, Lambda, RDS/Postgres, DynamoDB, SQS, Kinesis ...

Senior Software Engineer - London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
backend architecture. You’ll tackle our most complex technical challenges and set the standards for how we solve them. Our services run on Kotlin with Spring Boot, and you’ll have significant influence over architectural patterns and how we approach infrastructure problems. Build for the next phase of growth. … collaborate and build. Tech stack We hire for ability, not a specific tech stack. Most of the team learned our stack here: Backend: Kotlin (modular monolith using Http4k, Spring Boot, Exposed, Result4k) Storage: Postgres, BigQuery Async messaging: Google Cloud Pub/Sub Infrastructure: Google Cloud, Terraform Frontend: TypeScript, React ...

Backend Software Engineer (Staff/Principal)

Hiring Organisation
Jobleads-UK
Location
United Kingdom
felt as you mentor colleagues, meeting deadlines through effective planning, prioritization, and accurate estimates. Knowledge of backend technologies such as a JVM language like Kotlin, Node.js, GraphQL allows you to build and debug reliable, maintainable, and extensible applications from browser to database. Your proficiency extends to databases, distributed computing … years Demonstrate a strong understanding of software design principles, patterns, and best practices Expertise in one or more programming languages, such as Java, Kotlin, Rust, C++, etc Expertise in backend development for data‐intensive applications Experience working with databases such as Postgres or MySQL Excellent problem‐solving and analytical ...

Lead Site Reliability Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
leadership. Work as a core member of the software engineering team, participating in daily standups and design discussions. Contribute directly to the codebase (Java, Kotlin, Python) to implement reliability improvements, performance optimisations, bug fixes, and automation. Lead the design and rollout of modern SRE patterns across trading systems, including … observability frameworks for mission critical systems. Proven ability to lead incident response and drive long term remediation. Solid programming skills in Python, Java, or Kotlin, with the ability to contribute production grade code. Experience with microservices, distributed systems, and event driven architectures. Strong understanding of CI/CD pipelines ...

Full Stack Engineer (Python and/or Java) – VP

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ ...

Software Engineer (Kotlin / React)

Hiring Organisation
Deutsche Bank
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
interim and temporary professionals, fostering workplaces where everyone can contribute and succeed. On behalf of Deutsche Bank, we are looking for a Software Engineer (Kotlin/React) for a 6 Months contract based in London (Hybrid 3 times per week in the office). Job description - the role Purpose … initiatives. The skills you'll need: Strong commercial experience in full-stack or back-end software engineering. Experience working with JVM-based technologies, ideally Kotlin (or strong Java with Kotlin). Hands-on experience with TypeScript and React would be beneficial. Strong understanding of software engineering principles, including ...

Senior Backend Developer - Kotlin

Hiring Organisation
HCLTech
Location
London Area, United Kingdom
more information on how we process your personal data, please refer to HCLTech’ s Candidate Data Privacy Notice. Role : Senior Vendor Software Engineer (Kotlin) DB require two senior, experienced Kotlin engineers to support and extend a cloud‐hosted platform used for bookbuilding issuances across Investment Banking Capital Markets. … team to maintain a high standard of code quality and system reliability. Location: London Required Skills • Strong commercial experience building backend services in Kotlin • Deep experience with XP practices, including: Mob programming as a primary way of working Test‐driven development (TDD) Continuous refactoring and clean code discipline • Cloud ...

Kotlin Engineer Contractor (GenieConnect)

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Address United Kingdom Schedule Full time Job Type Contract freelancer Highlights Experience with Kotlin Multiplatform (KMP) Strategic instinct to think about platform future, not just current tasks Description Cera is the UK’s largest HealthTech company and one of Europe’s fastest-growing businesses – harnessing preventative technology … medication compliance and around 10 hours of care saved per person per week. We’re a small enabled team shipping a full-stack Kotlin platform (backend, web portal, Android robot app). We want someone who’s comfortable with ambiguity, opinionated about quality, and motivated by shipping things that ...

Senior Android Engineer - Kotlin, Real-Time Mobile Apps

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Senior Android Engineer to join our Mobile Professional group, building and evolving native Android applications used by financial professionals worldwide. You will work with Kotlin, Jetpack Compose, and a diverse tech stack across Android, backend infrastructure, and shared components, shaping mobile experiences for complex workflows and real-time updates. ...

Full Stack Engineer (Kotlin and/or Python) – VP

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
career aspirations. Technology Skills Desired Backend Expertise (Mandatory for Backend Role, Highly Desired for Full Stack): Strong proficiency in modern backend languages such as Kotlin and/or Python. Extensive experience with microservices architecture and developing scalable, resilient services. Demonstrated experience deploying and managing applications within containerization platforms like ...

Senior Lead Software Engineer - Backend Engineering - Java/Kotlin

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
security expectations; experience coaching senior engineers/leads on compliant usage patterns and controls. 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 ...

Senior Android Engineer

Hiring Organisation
Fruition Group
Location
United Kingdom
Employment Type
Contract, Work From Home
have the space to suggest improvements and shape best practices across the Android codebase. The tech setup is modern - Kotlin, Hilt, MVVM, clean architecture - with continuous deployment and strong observability. But what really sets this contract Android Engineer role apart is the sense of ownership you'll have … speed at which good ideas make it into production. Senior Android Engineer - Key Skills: Advanced Kotlin skills and deep knowledge of Android SDK Proven experience shipping mobile features at scale Strong understanding of modern Android architecture and design patterns Experience in performance optimisation and scalable UI Confident working ...

Senior Cloud Platform Engineer

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
workflows, including build, test, and deployment pipelines for containerised applications Collaborate with development teams to support the hosting, debugging, and performance of Java/Kotlin and Python‐based services Identify and address platform‐level technical debt, contributing to a roadmap of incremental improvements Support on call … multiple environments GitHub Actions, building and maintaining CI/CD pipelines for containerised workloads Application‐layer awareness, ability to support and troubleshoot Java/Kotlin and/or Python services running in containers Strong operational mindset, comfortable with on‐call responsibilities, incident management, and root cause analysis What ...

Lead Site Reliability Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
leadership. Work as a core member of the software engineering team, participating in daily standups and design discussions. Contribute directly to the codebase (Java, Kotlin, Python) to implement reliability improvements, performance optimisations, bug fixes, and automation. Lead the design and rollout of modern SRE patterns across trading systems, including … observability frameworks for mission critical systems. Proven ability to lead incident response and drive long term remediation. Solid programming skills in Python, Java, or Kotlin, with the ability to contribute production‐grade code. Experience with microservices, distributed systems, and event‐driven architectures. Strong understanding of CI/CD pipelines ...

Senior Software Engineer - Marketing Platform

Hiring Organisation
Wise
Location
london, south east england, united kingdom
Nice to have Hands-on experience with scraping technologies at scale and maintaining data quality/accuracy. Experience building backend systems with Java or Kotlin (or another JVM language). Experience with Spring (or similar JVM frameworks). Experience operating data-heavy systems with strong observability (monitoring, alerting, data … domain and engineering practices, and helped improve how the team works. Qualifications What does it take: 5+ years of experience in Java or Kotlin (or other JVM based language) Strong experience with Spring framework, relational databases, distributed and concurrent systems (Kafka) Experience in scraping technologies at scale and maintaining ...

Principal Android Engineer - Search and Recommendations Experience

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Principal Android Engineer – Search & Recommendations Experience Team We are looking for a technical leader who will shape the native search and discovery experiences across our global travel platforms. In this role you will architect, design ...

Senior Software Engineer, Kotlin Multiplatform - Core SDKs

Hiring Organisation
Jobleads-UK
Location
Nottingham, England, United Kingdom
faster loading and more intelligent parsing by designing more efficient abstractions and improving our algorithms Ship cloud functions, lightweight backend services, and jobs using Kotlin An Ideal Candidate Should Have Systems thinking. You know that optimizing a system requires end-to-end design, and you believe simplicity is valuable. … engage or be heads down Collaboration. You know how to inspire, play, and negotiate with opinionated designers, marketers, and PMs Preferred Tech Stack: Kotlin Multiplatform (Java experience is OK but role is Kotlin Multiplatform) Prior experience with GCP is a plus What We Offer A fast-growing environment ...

Senior Android Engineer: Privacy‐First, Kotlin & Jetpack

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Senior Android Software Engineer to join our privacy-focused product teams. Based in our London office, you will build and ship Android experiences using Kotlin, Jetpack Compose, and a Rust-based core, collaborating with product, design and other engineers. You will take end-to-end ownership of features, focus ...

AI Engineer - London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
revenue-critical infrastructure - on-call matters here. Tech stack We hire for ability, not a specific tech stack. Most of the team learned Kotlin here: Backend: Kotlin (modular monolith using Http4k, Spring Boot, Exposed, Result4k). Storage: Postgres, BigQuery. AI Platform: Vertex AI, Langsmith, more to come here. ...

VP of Engineering (HealthTech) in Cambridge - Bluestorm Recruitment by Dazzle

Hiring Organisation
Jobleads-UK
Location
Cambridge, England, United Kingdom
Engineering (HealthTech) Cambridge, UnitedKingdom Posted 12 months ago Tech Stack React iOS Swift Java JavaScript Android MongoDB Kotlin Amazon AWS Node.js Setting Quantifiable OKR and Measuring Team Performance You should ideally have worked with the following technologies: Node.JS, React JS, MongoDB, AWS, Swift (iOS), Kotlin/Java ...