101 to 121 of 121 Kotlin Jobs

Senior Software Engineer

Hiring Organisation
Signify Technology
Location
City of London, London, United Kingdom
outcomes for both customers and the wider business. What You’ll Be Doing Building and maintaining scalable, production-grade backend systems using Java or Kotlin Developing high-quality, maintainable code across a modern cloud-based architecture Collaborating with product and business stakeholders to turn commercial goals into clear technical … workflows, where they add meaningful value Requirements 4+ years’ experience as a Software Engineer or Backend Engineer Strong backend development experience with Java or Kotlin Solid understanding of frontend technologies such as React and experience supporting production-grade user-facing applications Experience working with databases such as PostgreSQL ...

Head of Software Engineering

Hiring Organisation
NearTech Search
Location
Manchester Area, United Kingdom
functional stakeholders Supporting delivery through modern CI/CD and cloud-native practices We’re particularly interested in people with: Strong JVM experience (Scala, Kotlin or Java) Experience with AWS and infrastructure as code Knowledge of event-driven systems and API design A strong testing mindset (TDD, CI/… Experience coaching and supporting engineers A pragmatic and collaborative approach to solving complex technical challenges The Tech Environment Includes: Java Kotlin, TypeScript, Python AWS, Kubernetes, Terraform GitLab CI/CD React, PostgreSQL, DynamoDB Prometheus, Grafana, OpenSearch Engineering Culture: Functional programming principles Automation and infrastructure as code TDD and high ...

Mobile Android Engineer (Kotlin)

Hiring Organisation
Teksystems
Location
London, United Kingdom
Employment Type
Contract
Mobile Android (Kotlin) Engineer - London, Hybrid **NO SPONSORSHIP - Must have the right to work full time in the UK** Daily Rate: £300 PAYE/£350 via Umbrella per day Location: London- Hybrid 3 days/week Overview A major banking company are looking for a Mobile Android Engineer … development methodologies popular in Android and be able to dive deep and rapidly iterate on ideas with your team despite some ambiguity. Skills Strong Kotlin proficiency Experience working on modern app architecture (MVVM, Jetpack Compose, distributed app structures, migrated codebases, modularised apps) Moderate to intermediate AI tooling adoption (Experience ...

Backend Software Engineer Java Kotlin AWS

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Backend Software Engineer/Developer (Java Kotlin AWS API) Hybrid WFH to £120k Would you like to progress your career in an impactful hands-on Backend Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University … with the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on Kotlin, SpringBoot and AWS backend with TypeScript, React and Next.js on the front end. You'll be hands-on with architecture, design and coding, including ...

Java Developer

Hiring Organisation
Vallum Associates Limited
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Required Skills: Experience in Kotlin (or significant Java experience with a willingness to learn Kotlin) Experienced in API development , SQL/databases, HTML/Javascript Excellent writing skills and attention to detail in code Proactive person who will not wait to be told what to do next … launch new features. Proactively work with customers to resolve their issues and respond to feature requests. BuildAPIs and microservices . Skills Require: Experience in Kotlin (or Java with willingness to learn Kotlin) Experienced in at least two or three of the following: API development, SQL/databases, HTML ...

Senior Android Engineer

Hiring Organisation
Gravitas Recruitment Group (Global) Ltd
Location
City of London, London, United Kingdom
Senior Android Engineer to help shape a modular, scalable mobile platform used across multiple clients. The Role Build and scale Android apps using Kotlin + Jetpack Compose Drive a modular, reusable architecture (MVVM, multi-module) Contribute to a growing design system and component library Influence technical direction and architecture … decisions Collaborate with product, design, and distributed engineering teams What They’re Looking For Strong Kotlin and modern Android architecture skills Experience shipping apps to the Play Store Familiarity with CI/CD, testing frameworks, and best practices Comfortable working in fast-paced/scaling environments Nice to Have ...

Mid-Senior QA Engineer (B2B SaaS | UK)

Hiring Organisation
Transreport
Location
London Area, United Kingdom
confidence across web and mobile. Responsibilities Execute & Manage Testing : Own the manual testing lifecycle for web (Vue.js/Rails) and mobile (Native Swift/Kotlin) applications. Shift Left: Participate in design and requirements sessions, clarifying how A/Cs are tested before a single line of code is written. … backend and the client devices. The Tech Environment: Management: TestRail, Jira. Web: Vue.js (Frontend), Ruby on Rails (Backend). Mobile: Native Swift (iOS) & Native Kotlin (Android) as well as React Native. Note: While our stack includes RSpec and Vuewrapper, this is a functional QA role. You are not expected ...

Backend Engineer - Customer Risk Lifecycle

Hiring Organisation
N26 GmbH
Location
Berlin, Germany
Employment Type
Permanent
Salary
EUR Annual
Backend Engineer to join our expanding teams in Barcelona and evolve our product, powered by a microservice architecture predominantly written in Java 8 and Kotlin, using Spring Boot. Our cross-functional teams are passionate about collaboration and sharing knowledge, as well as working with a high degree of autonomy. … need to be successful: Background: Experience in developing software using a JVM language and Spring Boot in Large-scale production systems (note: experience of Kotlin would be a plus) Sound understanding of microservice architecture Knowledge of both relational and non-relational databases, preferably Postgres Skills: Sound understanding of microservice ...

Backend Engineer - Customer Risk Lifecycle

Hiring Organisation
N26 GmbH
Location
Potsdam, Brandenburg, Germany
Employment Type
Permanent
Salary
EUR Annual
Backend Engineer to join our expanding teams in Barcelona and evolve our product, powered by a microservice architecture predominantly written in Java 8 and Kotlin, using Spring Boot. Our cross-functional teams are passionate about collaboration and sharing knowledge, as well as working with a high degree of autonomy. … need to be successful: Background: Experience in developing software using a JVM language and Spring Boot in Large-scale production systems (note: experience of Kotlin would be a plus) Sound understanding of microservice architecture Knowledge of both relational and non-relational databases, preferably Postgres Skills: Sound understanding of microservice ...

Software Engineer

Hiring Organisation
Understanding Recruitment
Location
London Area, United Kingdom
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 ...

Android Developer

Hiring Organisation
CHH Conex Limited
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent
enjoys taking ownership, shaping technical direction, and working closely with stakeholders to deliver a robust, scalable Android application. The successful candidate will bring strong Kotlin experience and be confident working in a fast - moving environment where systems are being built and refined from the ground up. Candidates must … Birmingham - based to support collaboration with the wider team and key operational sites. Key Responsibilities Lead the design and development of Android applications using Kotlin Contribute to the architecture of a new or evolving mobile system, ensuring scalability, performance and maintainability Work closely with product, operations and wider engineering ...

Head of Mobile Engineering

Hiring Organisation
La Fosse
Location
London Area, United Kingdom
mobile platforms at scale What they’re looking for 8+ years in mobile engineering, with 2+ years leading teams Deep expertise in Android (Kotlin) or iOS (Swift) , with exposure to both Strong understanding of modern architectures ( MVVM, MVI ) and UI frameworks ( Compose, SwiftUI ) Experience building and scaling high-traffic … mobile apps Ability to communicate effectively across technical and non-technical audiences Comfortable operating across both strategy and hands-on delivery Nice to have Kotlin Multiplatform or other cross-platform experience Background in AdTech, telecoms, or B2B2C environments Why join Own mobile at a critical growth stage Significant impact ...

Mobile Android QA Engineer

Hiring Organisation
Teksystems
Location
London, United Kingdom
Employment Type
Contract
verify the accuracy, completeness and reliability of functionality Contribute to the development and enhancement of UI automated testing frameworks built on Expresso (Android using Kotlin) Integrate automated tests into CI to identify issues during development cycle Contribute to PR reviews, submit PR's and contribute to the goal … across applications Improve QA delivery through defining test strategies through coordination with multiple back-end teams Key Skills- Hands on mobile testing experience Strong Kotlin/Java experience Mobile engineering Expresso (Android) Automation skills to automate regression Tests (UI) 60% manual and 40% automation Must be able to Automate ...

Java Engineers - Senior / Lead

Hiring Organisation
numi
Location
City of London, London, United Kingdom
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 ...

Full Stack Engineer

Hiring Organisation
CBTS
Location
London Area, United Kingdom
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 ...

Mobile Lead

Hiring Organisation
Uniting Ambition
Location
London, United Kingdom
Employment Type
Permanent
Salary
£100000 - £500000/annum
across iOS & Android Navigate brownfield architecture and modernise legacy systems Decide when to go hybrid vs native Drive architecture, POCs, and integration (Swift/Kotlin + React Native) Shape tools, standards, and engineering practices Build, lead, and measure a high-performing team Remove blockers and accelerate delivery What … React Native experience at scale Background working in complex/brownfield environments Solid JavaScript/TypeScript + React skills Working knowledge of Swift and Kotlin Proven leadership and team-building experience Bonus Retail or high-scale consumer apps Native module bridging/WebView experience Big impact. Complex systems. Real ...

Senior Software Engineer

Hiring Organisation
trg.recruitment
Location
England, United Kingdom
they have on offer.. What you’ll be doing • Building high-quality, user-facing features using React and TypeScript • Contributing to backend services in Kotlin/Java • Working closely with Product and Design to shape and deliver impactful features • Owning problems end-to-end, from discovery through to production … looking for • Experience as a key engineer in a startup or scale-up environment • Strong React and TypeScript expertise, with solid backend experience (Kotlin or Java) • A genuine product mindset — you think in terms of user outcomes, not just delivery • Proven ability to raise engineering standards and influence peers ...

AI Software Engineer

Hiring Organisation
RedTech Recruitment Ltd
Location
Cambridge, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
machine learning or closely related areas Strong programming ability with confidence in quickly learning new technologies and languages. While the role currently uses Go, Kotlin, TypeScript and React, prior experience with these technologies is not required Interest and exposure across AI technologies such as machine learning, LLMs, RAG systems … Research Engineer/Multimodal AI Engineer/Computer Vision Engineer/Machine Learning Developer/Full Stack Engineer/AI Developer/Go/Kotlin/TypeScript/React/Machine Learning/Computer Vision/LLM/RAG/Transformer Architecture/Artificial Intelligence/OpenAI/Anthropic ...

Java Developer

Hiring Organisation
Vallum Associates Limited
Location
Sheffield, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Required Skills: Experience in Kotlin (or significant Java experience with a willingness to learn Kotlin) Experienced in API development , SQL/databases, HTML/Javascript Excellent writing skills and attention to detail in code Proactive person who will not wait to be told what to do next ...

Senior Backend Kotlin Engineer

Hiring Organisation
TechNET IT Recruitment Limited
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Senior Backend Kotlin Engineer 6 month contract initially Outside IR35, Fully remote role (UK) An established consumer-facing technology business is looking for a Senior Backend Engineer to support the continued evolution of high-scale Back End services used by a large international user base. This role would suit … experienced contractor who is comfortable working in Kotlin-heavy Back End environments, can operate with autonomy, and is confident helping teams move from Legacy systems toward more modern, cloud-native services. The role You will be involved in designing, building, and improving reliable Back End services, working closely with ...

Java + Kotlin Engineer

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 Annual
Backend Specialist (Java & Kotlin) Location: London (Hybrid: 2-3 days per week) Type: Full-time/Permanent Experience: 5-7 years We are seeking a high-caliber Backend Specialist with a strong foundation in Java and Kotlin to join our development team in London click apply for full ...