51 to 75 of 79 Kotlin Jobs in the South East

prototypes through to architecture, implementation, and release - while also helping raise the bar in code quality, performance, and accessibility. The Android stack is fully Kotlin-based, with a strong emphasis on modular, testable code using MVVM, Hilt, and clean architecture. This is a mature engineering culture where Android isn … and the team cares deeply about user feedback, technical excellence, and shipping regularly. Android Developer - Key Requirements: Strong commercial experience building Android apps in Kotlin Comfortable working across design, architecture, and deployment Strong grasp of modern Android patterns - MVVM, DI (Hilt/Dagger), clean architecture Experience scaling apps for More ❯

paced environment where your work has genuine real-world impact. They use React Native but they can hire someone who has been focused on Kotlin or Swift with no problem if they are keen to learn. Key Responsibilities 📱 Mobile Development Develop secure, scalable, high-performance mobile applications Collaborate with … or a product focused tech company that has gone through a stage of growth Strong skills in either React Native, iOS (Swift), or Android (Kotlin) Passionate about elegant, testable, maintainable code Comfortable working end-to-end across the delivery lifecycle Able to zoom into detail and back out to More ❯

The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to More ❯

Java/Kotlin Developer (Fully Remote) Location: London, UK (Fully Remote) Salary: £55,000 per annum Are you an experienced Java/Kotlin Developer with a strong background in Kafka looking for a challenging opportunity to work remotely? My client are currently seeking a talented individual with … years of experience to join their team as a Java/Kotlin Developer. This position offers the flexibility of remote work with the opportunity to collaborate with a dynamic team based in London. Key Responsibilities: Design, develop, and maintain high-quality software solutions using Java and Kotlin. Implement Kafka … debugging, and troubleshooting to ensure the quality and reliability of software applications. Stay up-to-date with industry trends and best practices in Java, Kotlin, and Kafka development. Requirements: Bachelor's degree in Computer Science, Engineering, or related field. 3-5 years of hands-on experience in Java and More ❯

Software Engineer/Developer (Java 17 Kotlin AWS) London/WFH to £85k Are you a technologist Software Engineer with strong Java skills looking to progress your career, working with a modern cloud based infrastructure and a range of technology? You could be joining a hugely successful and growing … on code quality; designing and developing highly complex web based trading platforms working across the full development lifecycle. The technology stack includes Java 17, Kotlin, Spring Boot and AWS amongst others; you'll be encouraged to expand your skillset using the latest technologies and choosing the best tool for … 2.1 or above gained in Computer Science (or similar STEM discipline) from a top tier university (e.g. Russel Group) You have strong Java and Kotlin development experience You have experience with Agile processes and TDD You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns More ❯

down to lots of growth and a very impressive 2024! They are looking for an Engineer with 3+ years of experience with: Java OR Kotlin Spring Boot Microservices TDD TypeScript/JavaScript Paying up to £65,000 and offering an amazing place to grow your career - Lots of support More ❯

to make a lasting impact and shape the future of our SDK. Key Responsibilities: ● Maintain and Enhance SDK Code: Work with Swift on iOS, Kotlin and Java on Android and C in our core positioning engine to optimize the performance of sensors, data processing, and network communication across mobile … demos/admin usage etc Nice to haves: ● Android Experience: Strong iOS experience is required; openness to learning Android development is a definite plus. ● Kotlin Multiplatform - we’re not using it yet, but we’re watching Kotlin multiplatform closely, and it may become part of our stack. ● Experience More ❯

limited context can be provided. Responsibilities include designing solutions at system and component levels, acting as a technical authority, developing applications with React, TypeScript, Kotlin, and engaging with key stakeholders. Skills & Experience Essential Experience developing full-stack applications Proficiency with modern web frameworks in TypeScript/JavaScript Experience with … OOP languages such as Java, Kotlin, C# Designing and implementing SQL databases Ability to work in a dynamic environment with customer interaction Desirable Willingness to travel occasionally to West Midlands Experience with React and TypeScript Experience with Kotlin or Java Knowledge of UI testing frameworks like Cypress or More ❯

including; designing solutions at the system and component level, acting as technical authority for relevant software applications, developing applications with React/Typscript/Kotlin, and engaging with key project customer stakeholders. Skills & Experience Essential Professional Experience developing Full Stack Applications Experience developing with modern Web Application Frameworks in … Typescript/Javascript Experience writing applications in OOP Languages (e.g. Java, Kotlin, C#) Experience designing and implementing SQL databases Comfortable working in a dynamic environment with regular customer interaction Desirable Willing for occasional travel to West Midlands customer site Experience developing React applications with TypeScript Experience developing applications with … Kotlin or Java Experience using end-to-end UI testing frameworks (e.g. Cypress/Selenium) Experience leading Development Teams or acting as Technical Authority Experience eliciting user requirements and designing software to meet customer needs Previous experience working as part of an Agile team Good understanding of MDM related More ❯

Urgent 3-Month Android Contract – ASAP Start (Outside IR35) Rate: £500+ per day (Outside IR35) Location: Hybrid – London (on-site Thursdays) ️ Tech Stack: Kotlin, Jetpack MVVM, Dagger Contract Length: 3 Months Start Date: ASAP Project Overview: Join a fast-moving team to migrate and consolidate two high-traffic Android … applications into a single Kotlin-based solution . You’ll play a key role in shaping the architecture and delivering high-quality code in a tight but rewarding timeframe. If you’re available or can recommend someone in your network, get in touch today More ❯

Urgent 3-Month Android Contract – ASAP Start (Outside IR35) 💰 Rate: £500+ per day (Outside IR35) 📍 Location: Hybrid – London (on-site Thursdays) 🛠️ Tech Stack: Kotlin, Jetpack MVVM, Dagger 📅 Contract Length: 3 Months 🔄 Start Date: ASAP Project Overview: Join a fast-moving team to migrate and consolidate two high-traffic Android … applications into a single Kotlin-based solution . You’ll play a key role in shaping the architecture and delivering high-quality code in a tight but rewarding timeframe. Interview Process: Just 1 stage – slots available as early as tomorrow . Fast turnaround guaranteed. If you’re available or More ❯

Deliver complex solutions as part of a global leader in the parking industry with a multi-million user base. Our Typical Backend Technology Stack Kotlin/JVM Spring Boot Kafka for messaging PostgreSQL Docker Kubernetes Github Actions Required Technical Skills A keen interest in learning new skills and working … with evolving technology. Experience with modern enterprise languages and frameworks such as Java or Kotlin with Spring, .Net, Symfony, or similar. Strong understanding of programming concepts, especially object-oriented programming, and familiarity with functional concepts. Experience with version control systems. Experience writing testable code. Good to Have Technical Skills More ❯

products from conception to launch. This involves working across the entire stack — from front-end (written in React/TypeScript), back-end (written in Kotlin and Python), machine learning (agentic workflows, entity matching), to infrastructure (AWS, Docker). Working at a startup so early, it's common to kick … years of experience as a software engineer. 2+ years of experience with React/TypeScript and an Object-Oriented Programming Language (Java, Scala, Kotlin, C#, C++). Proven experience in building and shipping software, involving collaboration with other engineers, designers, product managers, and users to identify and implement solutions More ❯

Full Stack Developer/Software Engineer (AWS Kotlin Spring Boot React) London/WFH to £120k Would you like to progress your career in an impactful, hands-on Full Stack Developer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly … 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 … software engineering best practices, experience across the full development lifecycle and tech stack You have experience with most of the technology in the stack: Kotlin, Spring Boot, AWS, TypeScript, React, Next.js You're able to assess, recommend and make technical decisions with long-term product strategy in mind You More ❯

be HYBRID (2 days a month) in their London Office They are looking for Engineers who come with a engineering background using: Java OR Kotlin (on the backend) - MUST HAVE + Spring Boot + Microservices TDD - MUST HAVE (THIS IS VERY IMPORTANT) TypeScript - MUST HAVE Vue OR React on More ❯

Senior/Principal Software Engineer - Kotlin £90,000-£150,000 basic salary Project at Tier One Investment Bank London - Hybrid working - flexible Are you a Senior/Principal Engineer with commercial Kotlin experience who is ready to make an impact in one of the world’s leading financial … institutions in the new year? We’re searching for a Senior/Principal Kotlin focused Engineer to join a critical project at a Tier 1 Investment Bank, working on mission-critical systems that power global investment strategies. This is a greenfield project where you'll have a lot of … time trading and risk management systems Ensure code quality through best practices, TDD, and strong testing methodologies. What we’re looking for: Expertise in Kotlin and experience building high-performance backend systems. A solid background in distributed systems. Experience with cloud technologies Familiarity with microservices architecture, CI/CD More ❯

layers in Android apps to support real-time data, command, and control for autonomous systems Implement and optimise low-level communications Write high-quality Kotlin and Java code What We're Looking For: 5+ years of Android development experience using Kotlin and Java Proven expertise in low-level More ❯

Java/Kotlin Engineer - Contract Outside IR35 London 2 days per week in London preferred but flexible We're after an experienced Java/Kotlin engineer on a contract basis (outside IR35) who wants to solve hard technical problems, with experience in building data-intensive, high-throughput systems. … data stores (e.g., Couchbase, Cassandra). Solve challenging engineering problems at scale, ensuring reliability and performance under heavy load. What you'll need: Strong Kotlin or Java experience (Kotlin preferred). Background in data architectures and large-scale systems. Experience with relational databases (Oracle a plus, but not More ❯

team A strong commitment to collaborative problem-solving, thoughtful design, and the delivery of a high-quality product is essential Modern Android development with Kotlin and modern Android development toolkit Experience with coroutines and reactive programming using Kotlin Flow Good understanding of MVVM, ViewModel and LiveData About the More ❯

a rich experience for customers You will follow best practices in testing, documentation & maintainability, ensuring a clean & scalable codebase ⚙️ Tech you will work with: Kotlin, Grails, Vert.x, gRPC, microservices, event-driven architecture, GCP, Kubernetes, Terraform, Kafka, BigQuery, PostgreSQL Ideal Candidates will have: 3+ years commercial experience building complex systems … using a JVM language (Java, Kotlin, Scala) Experience building scalable microservices with gRPC and/or REST APIs Experience working on data-driven, or message-queueing systems, using tech like Kafka Experience working in a startup or smaller company, moving at a fast pace and owning as much as More ❯

Senior/Principal Software Engineer - Data - (Kotlin/Java) London Remote-first organisation, but will involve some visits to London office £100,000-£140,000 (potential flex for exceptional candidates) We're after an experienced Java/Kotlin engineer who wants to solve hard technical problems, with experience … data stores (e.g., Couchbase, Cassandra). Solve challenging engineering problems at scale, ensuring reliability and performance under heavy load. What you'll need: Strong Kotlin or Java experience (Kotlin preferred). Background in data architectures and large-scale systems. Experience with relational databases (Oracle a plus, but not More ❯

forward thinking! They are looking for a Senior Software Engineer who comes with a solid engineering background using Vue/TypeScript on the Frontend & Kotlin on the backend. Experience working within a TDD/BDD environment in cross functional teams is a big plus! This role will be More ❯

thinking! They are looking for a Full-Stack Software Engineer who comes with a engineering background using TypeScript, Vue OR React on the Frontend & Kotlin OR Java on the backend. Experience working within a TDD/BDD environment in cross functional teams is a big plus! This role will More ❯

Senior Kotlin Contractors - Outside IR35 We are looking for multiple Kotlin Engineers to work on a large scale project, for a leading client of ours in London. £600 - 700 per day 6 month initial contract Outside IR35 2 days a week in London, 3 days a WFH Tech … Stack - Kotlin, AWS, TDD, Docker/Kubernetes, SQL. More ❯

Lead Kotlin Engineer - 140k Max We are working with a Fintech company who are looking for a Lead Kotlin Engineer to join their team to work on a number of new projects. Tech Stack - Kotlin, AWS, TDD, Spring Boot Ideally looking for someone from a strong Financial More ❯