151 to 175 of 191 Permanent Kotlin Jobs

Software Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
City Of Bristol, England, United Kingdom
Software Engineer |Bristol | Android | Java | Kotlin Location: Bristol (hybrid) Salary: £45,000 - £55,000 DOE Tech Stack: Backend: Java or Kotlin or Golang Mobile: Android development Tooling and Frameworks: Modern Android libraries, CI CD, testing frameworks Cloud: AWS, Azure or GCP experience a bonus Do you enjoy building … engineering problem solving. Responsibilities Building and improving Android features with a focus on usability, reliability and consistent performance Developing backend services in Java or Kotlin that support broader product functionality Investigating issues across mobile and backend environments and proposing sensible, pragmatic fixes Writing clean, maintainable code with strong testing ...

Software Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B CorporationTM
Location
Bradley Stoke, Gloucestershire, UK
Employment Type
Full-time
Software Engineer |Bristol | Android | Java | Kotlin Location: Bristol (hybrid) Salary: £45,000 - £55,000 DOE Tech Stack: Backend: Java or Kotlin or Golang Mobile: Android development Tooling and Frameworks: Modern Android libraries, CI CD, testing frameworks Cloud: AWS, Azure or GCP experience a bonus Do you enjoy building … engineering problem solving. Responsibilities Building and improving Android features with a focus on usability, reliability and consistent performance Developing backend services in Java or Kotlin that support broader product functionality Investigating issues across mobile and backend environments and proposing sensible, pragmatic fixes Writing clean, maintainable code with strong testing ...

Mobile (Android & IOS) Developer

Hiring Organisation
Robotics technology LLC
Location
Helena, Oklahoma, United States
Employment Type
Any
Salary
USD Annual
experience in mobile application development Strong hands-on experience with React Native for cross-platform (iOS & Android) apps Prior experience supporting or migrating Kotlin and Swift mobile applications Experience integrating mobile apps with Java-based REST APIs using JSON Experience working in Agile/Scrum development environments Experience delivering … public-facing or consumer mobile applications is preferred Mobile Development React Native (production experience mandatory) Android development (Kotlin) iOS development (Swift) Cross-platform mobile deployment Offline/local storage (SQLite, Async Storage, Realm, etc We are an equal opportunity employer. All aspects of employment including the decision to hire ...

Android Developer

Hiring Organisation
Gravitas Recruitment Group (Global) Ltd
Location
London Area, United Kingdom
join their team. 🎨 What You’ll Do Build and maintain Android app with high-quality, scalable code Contribute to cross-platform development using Kotlin Multiplatform (KMP) and Compose Multiplatform (CMP) Implement new features using Jetpack Compose and modern Android architecture Collaborate with designers, product managers, and backend engineers Integrate … performance Maintain and improve CI/CD pipelines (Bitrise) Participate in code reviews, design discussions, and agile ceremonies 💡 What We’re Looking For Strong Kotlin skills (Java knowledge a plus) Experience with MVVM/Clean Architecture Hands-on with Jetpack Compose, Hilt, Retrofit Exposure to or strong interest ...

Android Developer

Hiring Organisation
Gravitas Recruitment Group (Global) Ltd
Location
Slough, Berkshire, UK
Employment Type
Full-time
join their team. What You'll Do Build and maintain Android app with high-quality, scalable code Contribute to cross-platform development using Kotlin Multiplatform (KMP) and Compose Multiplatform (CMP) Implement new features using Jetpack Compose and modern Android architecture Collaborate with designers, product managers, and backend engineers Integrate … performance Maintain and improve CI/CD pipelines (Bitrise) Participate in code reviews, design discussions, and agile ceremonies What We're Looking For Strong Kotlin skills (Java knowledge a plus) Experience with MVVM/Clean Architecture Hands-on with Jetpack Compose, Hilt, Retrofit Exposure to or strong interest ...

Android Developer

Hiring Organisation
Gravitas Recruitment Group (Global) Ltd
Location
City of London, London, United Kingdom
join their team. 🎨 What You’ll Do Build and maintain Android app with high-quality, scalable code Contribute to cross-platform development using Kotlin Multiplatform (KMP) and Compose Multiplatform (CMP) Implement new features using Jetpack Compose and modern Android architecture Collaborate with designers, product managers, and backend engineers Integrate … performance Maintain and improve CI/CD pipelines (Bitrise) Participate in code reviews, design discussions, and agile ceremonies 💡 What We’re Looking For Strong Kotlin skills (Java knowledge a plus) Experience with MVVM/Clean Architecture Hands-on with Jetpack Compose, Hilt, Retrofit Exposure to or strong interest ...

Senior Android Developer

Hiring Organisation
Morgan Gray
Location
Fareham, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
providing support/mentorship to peers and junior engineers. What were looking for A senior developer with significant experience of native Android development in Kotlin who has a track record in developing complex apps. Some practical experience with Kotlin Multiplatform or Compose Multiplatform is highly desirable. A degree ...

Java Full Stack Engineer (Consultant / Senior Consultant)

Hiring Organisation
83zero Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
work on a wide variety of projects and gain exposure to technologies including Java, Kotlin, NodeJS, Spring Boot, RESTful microservices, React, NoSQL databases and cloud platforms. Java Full Stack Engineer - Consultant/Senior Consultant Salary: £45,000-£70,748 Base locations: London, Manchester or Glasgow (Hybrid working) Organisation : Global … mindset to shape solutions from end to end. You'll work on a wide variety of projects and gain exposure to technologies including Java, Kotlin, NodeJS, Spring Boot, RESTful microservices, React, NoSQL databases and cloud platforms. This role is ideal for engineers who enjoy variety, value continuous learning ...

Senior Software Engineer

Hiring Organisation
Cathcart Technology
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Permanent, Work From Home
World-Class Technology company in Edinburgh are looking for a talented Senior Software Engineer (Android/Kotlin) to join one of their core mobile platform squads. Hybrid working , modern tech, and great culture on offer. The company has been growing steadily and is now recognised as a leader … propose solutions and help shape the team's approach. As a Senior Engineer, you'll also mentor and support other Engineers , sharing expertise in Kotlin , native Android optimisation, and cross-platform integration. You'll ideally have good experience with most of the following; ** Native Android development with Kotlin ...

Computer Vision & SDK Development Lead

Hiring Organisation
YEO Messaging
Location
Slough, Berkshire, UK
Employment Type
Full-time
looking for an experienced Kotlin & Swift Developer with strong computer vision experience to design, build, and maintain a high-performance Software Development Kit (SDK) used in security-critical mobile applications. This role sits at the intersection of mobile engineering, applied computer vision, and SDK architecture, and will play … third-party teams and partners. Key Responsibilities SDK Design & Development Design and develop a cross-platform mobile SDK (iOS & Android) using Swift and Kotlin Create clean, modular, well-documented SDK APIs for external developers Ensure the SDK is easy to integrate, versioned correctly, and backward compatible Own the full ...

Computer Vision & SDK Development Lead

Hiring Organisation
YEO Messaging
Location
City of London, London, United Kingdom
looking for an experienced Kotlin & Swift Developer with strong computer vision experience to design, build, and maintain a high-performance Software Development Kit (SDK) used in security-critical mobile applications. This role sits at the intersection of mobile engineering, applied computer vision, and SDK architecture , and will play … third-party teams and partners. Key Responsibilities SDK Design & Development Design and develop a cross-platform mobile SDK (iOS & Android) using Swift and Kotlin Create clean, modular, well-documented SDK APIs for external developers Ensure the SDK is easy to integrate, versioned correctly, and backward compatible Own the full ...

Computer Vision & SDK Development Lead

Hiring Organisation
YEO Messaging
Location
London Area, United Kingdom
looking for an experienced Kotlin & Swift Developer with strong computer vision experience to design, build, and maintain a high-performance Software Development Kit (SDK) used in security-critical mobile applications. This role sits at the intersection of mobile engineering, applied computer vision, and SDK architecture , and will play … third-party teams and partners. Key Responsibilities SDK Design & Development Design and develop a cross-platform mobile SDK (iOS & Android) using Swift and Kotlin Create clean, modular, well-documented SDK APIs for external developers Ensure the SDK is easy to integrate, versioned correctly, and backward compatible Own the full ...

Senior Android Engineer - Hybrid, £100K

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
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 ...

Senior Android Engineer - Hybrid, £100K

Hiring Organisation
Oliver Bernard
Location
London Area, United Kingdom
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 ...

Senior Mobile Specialist (Android)

Hiring Organisation
Parser
Location
London Area, United Kingdom
This role offers the opportunity to influence the future of Android engineering for a major, high-traffic consumer application. If you’re passionate about Kotlin architecture, mobile scalability, and exploring hybrid delivery models, this role places you at the centre of an ambitious mobile evolution programme. We’re seeking … embed directly with engineering teams to accelerate parallel feature development. The Impact You’ll Make ● Lead the technical architecture of a large-scale Kotlin-based Android application. ● Evaluate hybrid delivery options, including integrating React Native or WebView-based experiences into native flows. ● Identify architectural simplifications that reduce complexity ...

Senior Mobile Specialist (Android)

Hiring Organisation
Parser
Location
City of London, London, United Kingdom
This role offers the opportunity to influence the future of Android engineering for a major, high-traffic consumer application. If you’re passionate about Kotlin architecture, mobile scalability, and exploring hybrid delivery models, this role places you at the centre of an ambitious mobile evolution programme. We’re seeking … embed directly with engineering teams to accelerate parallel feature development. The Impact You’ll Make ● Lead the technical architecture of a large-scale Kotlin-based Android application. ● Evaluate hybrid delivery options, including integrating React Native or WebView-based experiences into native flows. ● Identify architectural simplifications that reduce complexity ...

SENIOR CLOUD PLATFORM ENGINEER

Hiring Organisation
JLR
Location
Leamington Spa, Warwickshire, UK
Employment Type
Full-time
this role, you'll take ownership of designing, building, and operating cloud‐native services at scale. You'll deliver high‐performance backend systems in Kotlin/Java (Spring Boot), containerise and orchestrate them using Kubernetes, automate infrastructure with Terraform, and develop robust GitLab CI/CD pipelines. Working across … hands-on position with plenty of scope to make an impact. Key responsibilities will include – Design and implement distributed, event‐driven microservices using Kotlin or Java (Spring Boot) Build and define cloud architectures across AWS and Tencent Cloud, covering compute, storage, networking, and managed services Develop and maintain GitLab ...

SENIOR CLOUD PLATFORM ENGINEER

Hiring Organisation
JLR
Location
Gaydon, England, United Kingdom
this role, you’ll take ownership of designing, building, and operating cloud‐native services at scale. You’ll deliver high‐performance backend systems in Kotlin/Java (Spring Boot), containerise and orchestrate them using Kubernetes, automate infrastructure with Terraform, and develop robust GitLab CI/CD pipelines. Working across … hands-on position with plenty of scope to make an impact. Key responsibilities will include – Design and implement distributed, event‐driven microservices using Kotlin or Java (Spring Boot) Build and define cloud architectures across AWS and Tencent Cloud, covering compute, storage, networking, and managed services Develop and maintain GitLab ...

Android Engineer | Jetpack Compose | 4 Million+ Users | Product-Led Tech AI Scale-Up Up to £75,000 + Bonus | Hybrid, 3 days | Central London | Full-Time

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
London Area, United Kingdom
extremely strong engineer team and have plenty of opportunities to learn from seniors. What You’ll Be Doing Developing and shipping new features in Kotlin, using Jetpack Compose to deliver world-class mobile experiences. Collaborating with designers, iOS engineers, and backend teams to craft beautiful, responsive UIs. Contributing … accessibility, and overall app experience across a variety of devices. Requirements for the role 3+ years of commercial Android development experience. Strong proficiency in Kotlin , Jetpack Compose , and modern Android frameworks. Deep understanding of lifecycle management , asynchronous programming , and UI state handling . Familiarity with clean architecture principles ...

Android Engineer | Jetpack Compose | 4 Million+ Users | Product-Led Tech AI Scale-Up Up to £75,000 + Bonus | Hybrid, 3 days | Central London | Full-Time

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
City of London, London, United Kingdom
extremely strong engineer team and have plenty of opportunities to learn from seniors. What You’ll Be Doing Developing and shipping new features in Kotlin, using Jetpack Compose to deliver world-class mobile experiences. Collaborating with designers, iOS engineers, and backend teams to craft beautiful, responsive UIs. Contributing … accessibility, and overall app experience across a variety of devices. Requirements for the role 3+ years of commercial Android development experience. Strong proficiency in Kotlin , Jetpack Compose , and modern Android frameworks. Deep understanding of lifecycle management , asynchronous programming , and UI state handling . Familiarity with clean architecture principles ...

DevSecOps Engineer (Erlang/Elixir)

Hiring Organisation
IO Associates
Location
Cheltenham, Gloucestershire, United Kingdom
Employment Type
Permanent
Salary
GBP 40,000 - 60,000 Annual
website. Phase 2: Contribute to the design and implementation of a decentralized exchange Candidates should have general software knowledge across languages such as Java, Kotlin, Scripting languages , and be comfortable supporting DevSecOps processes, CI/CD pipelines, and security practices. The client would also consider exceptional candidates eligible … security compliance. Required Skills DevSecOps experience (CI/CD, automation). Hands-on experience with Erlang and Elixir. General software development experience (Java, Kotlin, Scripting languages). Cloud platforms (AWS, Azure, or GCP). Containerisation and orchestration (Docker, Kubernetes). Security monitoring and vulnerability management. Scripting and automation (Bash ...

Principal Automation Engineer

Hiring Organisation
Avast Group
Location
Dublin, Ireland
Employment Type
Permanent
Salary
EUR 70,000 - 90,000 Annual
Appium, XCUITest, Espresso) Implement AI-driven testing tools and strategies to enhance coverage, efficiency, and accuracy Write and maintain high-quality automation code in Kotlin, Python, Java and Swift Collaborate with data scientists to integrate ML models for defect prediction and test optimization Build visual testing, anomaly detection … identify and prevent mobile vulnerabilities Competencies: Strong experience in mobile QA automation (Appium, XCUITest, Espresso) Proficiency in at least one modern language: Python, Java, Kotlin, or Swift Hands-on experience with AI/ML-powered testing tools (e.g., Applitools, BrowserStack, Testim, or similar) Deep understanding of mobile platforms ...

Backend Engineer, Java, Kotlin, AWS | Fintech, Payments Platform (B2B) | Leeds, Hybrid (2 days per week) | Salary Up to £65,000+ Bonus & Benefits

Hiring Organisation
Owen Thomas | Pending B CorpTM
Location
Bradford, UK
Employment Type
Full-time
Backend Engineer, java, Kotlin, AWS | Fintech, Payments Platform (B2B) | Leeds, Hybrid (2 days per week) | Salary Up to £65,000+Bonus & Benefits The Company We are working with a international Fintech Start-Up in the payments space who are completely changing the game for how payments work for small businesses. … working with the lastest cloud natve technologies in a cross functional team and delivering real value to customers. Responsibilities for the Backend Engineer, Java, Kotlin, AWS | Fintech, Payments Platform (B2B) | Leeds, Hybrid (2 days per week) | Salary Up to £65,000+ Bonus & Benefits Design, implement, and maintain backend services ...

Backend Engineer, Java, Kotlin, AWS | Fintech, Payments Platform (B2B) | Leeds, Hybrid (2 days per week) | Salary Up to £65,000+ Bonus & Benefits

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
Leeds, England, United Kingdom
Backend Engineer, java, Kotlin, AWS | Fintech, Payments Platform (B2B) | Leeds, Hybrid (2 days per week) | Salary Up to £65,000+Bonus & Benefits The Company We are working with a international Fintech Start-Up in the payments space who are completely changing the game for how payments work for small businesses. … working with the lastest cloud natve technologies in a cross functional team and delivering real value to customers. Responsibilities for the Backend Engineer, Java, Kotlin, AWS | Fintech, Payments Platform (B2B) | Leeds, Hybrid (2 days per week) | Salary Up to £65,000+ Bonus & Benefits Design, implement, and maintain backend services ...

Senior Kotlin Developer (Front-Office) - Up to £850 Per Day - London

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
Title: Senior Kotlin Developer Client: Leading Trading Firm Rate: Up to £850 p/d Duration: 6 Month - Rolling Location: London - Hybrid We are looking for a Java Developer, with strong experience working in the finance sector, to join a leading trading firm based in London and help them … This is a 6 month rolling contract with very high chance of extension! Skills/Experience Strong hands-on/commercial coding experience in Kotlin Experience working with Java Strong experience working in the finance sector - e-trading experience a big plus!! Strong Communication skills A personality and genuine ...