in consulting and client delivery. You’ll have access to a wide array of training programs and certifications in areas such as: Cloud Technologies: AWS, Azure, GCP Programming: Java, Kotlin, Node.js, Spring Boot DevOps: Terraform, Kubernetes, Docker Cybersecurity: CISSP, CISM Agile Delivery: Scrum Master, Product Owner, Scaled Agile Framework This flexibility allows you to build expertise in domains that More ❯
in consulting and client delivery. Consultants have access to a vast array for different training and certifications in a variety of areas: cloud technologies (AWS, Azure, GCP), programming (Java, Kotlin, NodeJS, Spring Boot), DevOps (Terraform, Kubernetes, Docker), Cybersecurity (CISSP, CISM) and Agile delivery (Scrum Master, Product Owner, Scaled Agile Framework). Capgemini Invent offers you the flexibility to develop More ❯
relational and document databases. Strong understanding of data structures and algorithms. Familiarity with Machine Learning, Statistics, and AI is desirable. Experience with Source Control (GitHub) Software Expert experience with Kotlin (or Java) is required. Demonstrable experience building secure and scalable JVW-based solutions. Strong experience in writing testable, modular, and extensible backend-code. Experience with system design. Experience in More ❯
Central London, London, United Kingdom Hybrid / WFH Options
Halian Technology Limited
quality solutions. Location: Mainly Remote Occasional office visits in London. Salary: up to £95,000 + competitive benefits, depending on experience. Requirements: Experience in Native Mobile Development in Android (Kotlin and Java) Postman CI/CD Rest API Development Agile development methods such as Scrum or Kanban Must have leadership experience. These roles offer the chance to work on More ❯
in consulting and client delivery. Consultants have access to a vast array for different training and certifications in a variety of areas: cloud technologies (AWS, Azure, GCP), programming (Java, Kotlin, NodeJS, Spring Boot), DevOps (Terraform, Kubernetes, Docker), Cybersecurity (CISSP, CISM) and Agile delivery (Scrum Master, Product Owner, Scaled Agile Framework). Capgemini Invent offers you the flexibility to develop More ❯
in consulting and client delivery. Consultants have access to a vast array for different training and certifications in a variety of areas: cloud technologies (AWS, Azure, GCP), programming (Java, Kotlin, NodeJS, Spring Boot), DevOps (Terraform, Kubernetes, Docker), Cybersecurity (CISSP, CISM) and Agile delivery (Scrum Master, Product Owner, Scaled Agile Framework). Capgemini Invent offers you the flexibility to develop More ❯
in consulting and client delivery. Consultants have access to a vast array for different training and certifications in a variety of areas: cloud technologies (AWS, Azure, GCP), programming (Java, Kotlin, NodeJS, Spring Boot), DevOps (Terraform, Kubernetes, Docker), Cybersecurity (CISSP, CISM) and Agile delivery (Scrum Master, Product Owner, Scaled Agile Framework). Capgemini Invent offers you the flexibility to develop More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Moneybox
be shipped to customers as soon as it’s ready! About you Highly experienced product focused Android developer. Preferably with 3+ years commercial experience, or equivalent. Strong knowledge of Kotlin with good programming knowledge. Preferably with a Computer Science background or equivalent experience. Experience in creating rich user interfaces and custom components. Ensuring user experience & quality is at the More ❯
in consulting and client delivery. Consultants have access to a vast array for different training and certifications in a variety of areas: cloud technologies (AWS, Azure, GCP), programming (Java, Kotlin, NodeJS, Spring Boot), DevOps (Terraform, Kubernetes, Docker), Cybersecurity (CISSP, CISM) and Agile delivery (Scrum Master, Product Owner, Scaled Agile Framework). Capgemini Invent offers you the flexibility to develop More ❯
in consulting and client delivery. Consultants have access to a vast array for different training and certifications in a variety of areas: cloud technologies (AWS, Azure, GCP), programming (Java, Kotlin, NodeJS, Spring Boot), DevOps (Terraform, Kubernetes, Docker), Cybersecurity (CISSP, CISM) and Agile delivery (Scrum Master, Product Owner, Scaled Agile Framework). Capgemini Invent offers you the flexibility to develop More ❯
in consulting and client delivery. Consultants have access to a vast array for different training and certifications in a variety of areas: cloud technologies (AWS, Azure, GCP), programming (Java, Kotlin, NodeJS, Spring Boot), DevOps (Terraform, Kubernetes, Docker), Cybersecurity (CISSP, CISM) and Agile delivery (Scrum Master, Product Owner, Scaled Agile Framework). Capgemini Invent offers you the flexibility to develop More ❯
the freedom to explore new tools and apply AI-driven approaches to boost productivity and developer experience. Senior Android Engineer - Key Requirements: Hands-on experience in Android development using Kotlin Strong knowledge of Coroutines, Jetpack Libraries, and Jetpack Compose Solid understanding of software architecture and design patterns Proven ability to build scalable, user-friendly SDKs for use by other More ❯
make the difference. They will be able to work on a vast variety of projects and get exposure to a variety of technology such as (but not exhaustively) NodeJS,, Kotlin, Spring boot framework, RESTful microservices, NoSQL databases. Our Full Stack Engineers sit within Digital Excellence, part of the Business Technology practice in Capgemini Invent, which leads digital transformation projects … in consulting and client delivery. Consultants have access to a vast array for different training and certifications in a variety of areas: cloud technologies (AWS, Azure, GCP), programming (Java, Kotlin, NodeJS, Spring Boot), DevOps (Terraform, Kubernetes, Docker), Cybersecurity (CISSP, CISM) and Agile delivery (Scrum Master, Product Owner, Scaled Agile Framework). Capgemini Invent offers you the flexibility to develop More ❯
to their growth and the wider community. Actively contribute to technical decision-making and project shaping from inception to release. Key Requirements: Extensive experience in native Android development using Kotlin and Java . Strong grasp of MVVM , MVP , and modern Android architecture patterns. Deep understanding of TDD , pair programming , and Agile methodologies (Scrum/Kanban). Proficient with CI … iOS development (Swift), GraphQL, microservices, or cloud platforms (AWS, GCP, Azure). Understanding of modern front-end technologies like React/Redux or experience in backend services (Java/Kotlin). Passion for UX and a customer-centric approach to development. Why Join? Flexible hybrid working: Work remotely with occasional visits to the office Opportunities for continuous learning, growth More ❯
One of the UKs most iconic omni-channel retailers is looking for a Lead Java Developer to join their expanding digital engineering function. This position requires deep expertise in Kotlin or modern Java , strong architectural understanding of microservices , and a passion for technical leadership and mentoring. Experience working within ecommerce, mobile, or customer-facing digital platforms is highly desirable. … environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical direction Build, integrate, and maintain REST APIs and backend … and DevOps Optionally take on people management responsibilities for engineers Stay updated with emerging backend and cloud technologies Key Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to More ❯
to £92,400 (depending on experience) Contract type: Permanent What will you be doing? Joining one of our agile product teams as a Staff Back-End Software Engineer, utilizing Kotlin or Java to develop and support new features that add value for our business. Leading the shaping of new projects and supporting the professional development of less experienced engineers … quality, performant software. Internally, this role is known as Product Engineer (L6). Essential skills/experience Experience leading, coaching, and mentoring teams or individuals. Expertise in server-side Kotlin or modern Java. Structured approach to systems analysis and development. Good understanding of Microservice Architectures. Experience with frameworks such as http4k or Spring Boot. Knowledge of Agile methods like More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Avanti
I’m working with a small but rapidly growing, start-up company are on a mission to revolutionise the airline industry. They are currently recruiting for Kotlin Developers on a fully remote basis, although they do meet up in London once every 4-6 weeks. This role will be a fully hands-on position, where you will find yourself … and had angel investment from the CIO of British Airways, the former CEO of American Express, and the Google Maps founder. You will find yourself writing code in Kotlin for their API based systems, and will work across the full SDLC, including architectural and design discussions. You will be collaborating in defining, building, iterating, and testing core products, including … building new features for their API based product. The technology you will be using consists of Kotlin as the main language and a Spring/Springboot Microservices architecture, which is hosted on AWS. You will be working on improving and building the solutions with a team of like-minded and creative developers. Tech stack: Kotlin, Spring, Java, PostgreSQL More ❯
South West London, London, United Kingdom Hybrid / WFH Options
John Lewis & Partners
you be doing? This is an opportunity to join one of our agile product teams working as a Staff Back-End Software Engineer. You will be using your excellent Kotlin or Java skills to build and support new features adding value for Our Business As a Staff Engineer, you will also use your knowledge of Software Engineering to lead … working in teams delivering complex, performant, high quality software. Essential skills/experience youll need Extensive experience leading, coaching and mentoring individuals/teams Expertise in either server side Kotlin or a modern version of Java. A structured approach to systems analysis and development. A good understanding of Microservice Architectures. Experience with application frameworks such as http4k or Spring More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Backend Software Engineer/Developer (Java Kotlin AWS API) Hybrid WFH to £110k 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 educated management consultants, that is aiming to improve patient and … Software Engineer you will collaborate 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 complex business logic, authentication and … and liaise on bespoke product development. About you: You have expertise with software engineering best practices, experience across the full development lifecycle and tech stack You have experience with Kotlin, Java, SpringBoot and AWS You have a good understanding of APIs and permission based systems You have a good understanding of software architecture and have experience of building systems More ❯
Sling is from Avian Labs, Inc., created by product builders and engineers from Monzo, Square, and Cash App. Android at Sling Money Our Android app is built entirely in Kotlin with Jetpack Compose from day one, so there's no legacy Java or XML code to maintain. We use modern libraries and architecture, including Apollo GraphQL for networking, Room … for local storage, and Slack's Circuit framework to structure our Compose-driven UI. We've built our own Solana Kotlin library in-house to interface directly with the blockchain. The codebase is about three years old and we're entering a phase of rapid growth. Android is a critical platform for Sling, and we need to scale the More ❯
community. You'll also support hiring, team development, and resourcing, all while staying close to the code. Whether it's leading architectural decisions, exploring the latest in Swift or Kotlin, or helping to scale delivery across multiple teams - you'll bring confidence, clarity, and care to every challenge. What you'll be doing: Lead technical direction across projects, contributing … externally, and contributing to a feedback-driven, inclusive environment Skills and experience you'll bring: Strong technical background in native mobile development, with expertise in Swift and/or Kotlin Confident leading mobile architecture decisions and shaping best practices across teams and projects Experience mentoring others, with a supportive and inclusive leadership style Ability to engage confidently with clients More ❯