Your work will involve evaluating AI-generated code, correcting errors, and implementing optimized Kotlin solutions.

Jobs at Invisible Agency

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You will create high-quality Kotlin code patches for AI training data by solving real-world engineering scenarios from Git repositories.

Jobs at Invisible Agency

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As a Kotlin Coding Specialist, you will take real-world engineering scenarios like bug reports or feature requests and produce clean, idiomatic Kotlin

Jobs at Invisible Agency

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You will tackle real-world engineering scenarios, such as bug reports or feature requests, producing clean Kotlin solutions.

Jobs at Invisible Agency

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You will create high-quality Kotlin code patches for real-world engineering scenarios, evaluate AI-generated code, and document best practices to help

Jobs at Invisible Agency

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You will create high-quality Kotlin code patches for AI training, evaluating and correcting AI-generated code to help shape the next generation of developer

Jobs at Invisible Agency

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You'll architect **shared-code strategy** for Kotlin Multiplatform, powering experiences across Android, iOS, and web.

Cantina

Cantina Jobs

Your work involves correcting AI-generated code, implementing optimized Kotlin solutions, and documenting best practices using modern Android development

Jobs at Invisible Agency

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Signicat is a pan-European digital identity company that makes it easy and safe for organisations to know who they are interacting with online. Using our proprietary technology, we help companies and public organisations securely verify the identities of people and businesses, authenticate users, and enable compliant electronic document signing, so their customers can access services and complete online processes with confidence. Today, Signicat employs over 530 people across 20 offices in 15 European countries. We work with leading banks, fintechs, telcos, public authorities, healthcare providers, and enterprises across retail and mobility to deliver trusted digital identity and onboarding solutions at scale. Joining Signicat means contributing to a mission that has a real impact on how society works and trusting each other in an increasingly digital world. The Role: Signicat has an opportunity for a talented Java or Kotlin Developer to join our Authentication Broker team based in Rotterdam. As part of the team, you will contribute to our own SaaS applications with which we reach millions of end users. Our code is mission-critical for many of our high-profile customers, who use our platform to authenticate the end users of their services. You will learn how to create architectures that are inherently secure, becoming an expert in secure programming. Key Responsibilities : Write software that matters! Be part of the team that will enable online authentication for millions of users! Get training and guidance to become an expert at writing secure software Analyse functional requirements and turn them into real software Assist in designing and improving our software architecture Build and maintain a catalogue of reusable, elegant solution patterns Build and maintain a library of reusable, elegant software components Improve standards and guidelines for using these patterns and components We work agile, so take part in daily stand-ups and discuss safety features with the product owner Be responsible for the whole lifecycle of our applications including deployments and DevOps The Environment Signicat engineering teams operate with a DevOps mindset of “you build it, you run it”, giving our Engineers full end-to-end ownership and autonomy. As such the Developer position will need someone who will accept full responsibility for their work. The Authentication Broker Team follows Scrum / Kanban methodologies, working with cutting-edge technology and principles. You'll need to be willing to learn / work in Kotlin - all our code is in Kotlin! Requirements 3+ years of experience using Kotlin and/or Java 8+ to develop web applications You enjoy explaining things, discussions, and knowledge sharing Experience using CI/CD, version control, and unit testing Knowledge or experience of one or more of the following: Spring Boot, REST, Docker, Kubernetes, microservices, GitLab, PostgreSQL, OIDC, SAML, QA, AWS/GCP, Angular, Linux, SCRUM/Kanban Bachelor's degree in Computer Science or equivalent experience What we offer: Your tech, your way - choose the tech gear that aligns with your comfort and meets your preferences Hybrid work style - collaborate with the team in-office several days a week and embrace the flexible work model Work-life balance - enjoy an extra 5 paid days off annually, and we will celebrate your work anniversaries with additional days off to recognise and reward your milestones. Rotterdam: Modern workplace - a cosy office located in the heart of Rotterdam near the central station, with daily lunches provided to keep you fueled throughout the day and so much more! Continuous growth - quarterly development talks, a dedicated time during working hours each week for training and development, unlimited access to Udemy courses, defined career paths and internal mentorship opportunities Customised onboarding - we will prepare an Onboarding Plan to ensure an easy and smooth beginning Be part of an international team - the opportunity to work from any other Signicat office for 2 months per year and 3 weeks per year from any European country Give back to the community - option to use 16 hours of paid volunteer time each year to support a charity or cause you are passionate about Empowering feedback culture - by using employee engagement tools, we ensure that every voice is heard, empowering us to grow together

Signicat

Digital identity solutions

You'll develop **Android applications** using **Kotlin and Clean Architecture**, owning features end-to-end from definition to production deployment, while

Despegar

Online B2C travel agency

You'll design and implement a **modular Android architecture** using modern technologies like Jetpack Compose and Kotlin Coroutines.

Jobs at DKB Code Factory

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Your work will directly influence how Kotlin code is transformed, validated, and optimized. … You'll take ownership of the central pipeline connecting the Kotlin compiler's frontend with multiple backends.

Jobs at JetBrains

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Please note that we will never request payment or bank account information at any stage of the recruitment process. As we continue to grow our teams, we urge you to be cautious of fraudulent job postings or recruitment activities that misuse our company name and information. Please protect your personal information during any recruitment process. While Monks may contact potential candidates via LinkedIn, all applications must be submitted through our official website ( monks.com/careers ). About the Role As an Android Developer , you’ll be hands-on with production Jetpack Compose to help us build and maintain modern, scalable native Android apps for a large and well-known global retail brand that operates in dozens of markets. You’ll take ownership of UI and architecture, partner with other engineers to raise engineering quality, and ensure the app is fast, secure, and reliable in production. We are looking for someone who is passionate about seeking new opportunities to create impactful work. Responsibilities: Own Jetpack Compose development end-to-end: implement production UI, design system components, navigation patterns, and state management using best practices Build with modern Android standards: scalable module structure, maintainable patterns, and architecture designed for long-term evolution—implemented in Kotlin Deliver resilient production code, prioritizing performance tuning, responsive UI, secure networking, safe storage, and memory/thread safety Design and implement core Android app layers using Retrofit/Ktor, Room, Dagger/Koin, Architecture Components, Coroutines, and reactive patterns Write and maintain unit, integration, and UI tests to improve testability and participate in the overall test strategy Maintain and improve hands-on CI/CD pipelines using GitHub Actions, Jenkins, and/or Bitrise Collaborate daily using strong engineering practices including code reviews, technical discussions, and documentation across cross-functional teams, designers, QA, and project managers Communicate proactively regarding risks, progress, and priorities in a clear and timely manner to keep delivery on track across multiple countries and time zones About You The essentials: Strong production experience with Jetpack Compose (the main requirement for this account) Proven Android development experience using modern best practices and the Android SDK, Android Studio, Gradle, git-flow, and Git-based collaboration Deep technical proficiency with Retrofit or Ktor, Room, Dagger or Koin, Android Architecture Components, and the Coroutines Framework A quality mindset beyond the code, with practical knowledge of profiling, performance tuning, security, and memory leak prevention Hands-on CI/CD proficiency with GitHub Actions, Jenkins, and/or Bitrise Fluent in English with the ability to collaborate effectively in global environments, and highly comfortable communicating and designing solutions fluently in Kotlin At Monks, we believe in fostering an environment where a diversity of perspectives can thrive. We proactively work to design hiring processes that promote equity and inclusion while mitigating bias. We celebrate diversity and are committed to building a team that reflects the communities we serve. We welcome and encourage qualified applicants, from all backgrounds, who are excited to contribute to our mission. #LI-FP1 About Monks Monks is the global, digital-first, data-driven, unitary operating brand of S4 Capital plc. With a legacy of innovation and specialized expertise, Monks combines an extraordinary range of global Marketing and Technology Services to redefine how brands interact with the world. Through Monks.Flow, its flagship AI ecosystem for marketing orchestration, Monks transforms marketing into a growth engine, collapsing timelines and connecting brands to culture in real time. By deploying bespoke intelligent agents across disciplines and delivering culturally relevant, high-impact creative and digital solutions, Monks solves key critical business challenges across the entire brand enterprise to help brands sustain long-term impact. Monks was named a Contender in The Forrester Wave™: Global Marketing Services, ranks among Cannes Lions' Top 10 Creative Companies (2022-25) and remains the only partner featured in AdExchanger’s Programmatic Power Players list every year (2020-24). Named Adweek’s first AI Agency of the Year (2023) and The One Show’s inaugural AI Pioneer Organization, Monks was also awarded Business Intelligence Group’s 2025 Excellence in Artificial Intelligence Award in both the Organizational and AI Product categories. As a trusted partner to cutting-edge innovators in tech, Monks earned titles such as Optimizely Experimentation Partner of the Year (2025), runner-up for the Adobe Firefly Partner Award (2024), and Workato’s AI Visionary Customer Impact Award (2024). Additionally, Monks achieved a record-breaking number of FWAs and continues to hold the most of any partner. We are an equal-opportunity employer committed to building a respectful and empowering work environment for all people to freely express themselves amongst colleagues who embrace diversity in all respects. Including fresh voices and unique points of view in all aspects of our business not only creates an environment where we can all grow and thrive but also increases our potential to produce work that better represents—and resonates with—the world around us.

Careers | Monks

Looking for a career at one of the fastest growing rocket ships in the Ad Industry? See if we have…

You'll **develop mobile platform features** for a **fintech leader in payments**, working with **Kotlin and Jetpack Compose**.

Stone

Payment and point-of-sale solutions

Buscamos uma pessoa desenvolvedora Pleno Kotlin+ AWS para atuar em um projeto estratégico. Requisitos Técnicos Kotlin — experiência sólida em desenvolvimento backend AWS — EKS/Fargate, SQS, DynamoDB; conhecimento e vivência no Well-Architected Framework Mensageria & Streaming — Kafka e SQS Testes — unitários, integração e performance Containers — Docker, orquestração em Kubernetes (EKS) Requisitos Comportamentais Pensamento crítico — questionar decisões técnicas, propor alternativas, não apenas executar Curiosidade técnica — buscar entender o "porquê" das soluções e explorar melhorias Excelência na entrega — comprometimento com qualidade, planejamento e prazos em sistema crítico Segurança por padrão — aplicar melhores práticas de segurança AWS de forma proativa (IAM least privilege, encryption at rest/in transit, secrets management) Uso de IA no Desenvolvimento Experiência com ferramentas de assistência por IA (experiência em Devin, Claude Code, e/ou Kiro) Capacidade de validar e revisar criticamente o output gerado por IA (não aceitar cegamente) #LI-TC4 #Senior Nossos benefícios: - Plano de saúde e odontológico; - Vale alimentação e refeição; - Auxílio-creche; - Licença parental estendida; - Parceria com academias e profissionais de saúde e bem-estar via Wellhub (Gympass) TotalPass; - Participação nos Lucros e Resultados (PLR); - Seguro de Vida; - Plataforma de aprendizagem contínua (CI&T University); - Clube de descontos; - Plataforma online gratuita dedicada à promoção da saúde física, mental e bem-estar; - Curso gestante e parentalidade responsável; - Parceria com plataformas de cursos online; - Plataforma para aprendizagem de idiomas; - E muitos outros Mais detalhes sobre os nossos benefícios aqui: https://ciandt.com/br/pt-br/carreiras Na CI&T, a inclusão começa no primeiro contato. Se você é pessoa com deficiência, é importante apresentar o seu laudo durante o processo seletivo. Consulte quais dados são necessários conter no laudo clicando aqui. Assim, podemos garantir o suporte e as adaptações que você merece. Se ainda não tem o laudo caracterizador, não se preocupe: podemos te apoiar para obtê-lo. Temos um time dedicado de Saúde e Bem-estar, especialistas em inclusão e grupos de afinidade que estarão com você em todas as etapas. Conte com a gente para fazer essa jornada lado a lado.

CI&T

Job openings at CI&T

You'll develop and maintain Android app features using **Kotlin** and **Jetpack Compose**, working in a modularized environment with **Clean Architecture

CI&T

Job openings at CI&T

Who we are Konrad is a next generation digital consultancy. We are dedicated to solving complex business problems for our global clients with creative and forward-thinking solutions. Our employees enjoy a culture built on innovation and a commitment to creating best-in-class digital products in use by hundreds of millions of consumers around the world. We hire exceptionally smart, analytical, and hard working people who are lifelong learners. About the Role As a Mobile Developer you'll be tasked with working on Android application development. Working within the software development team, your duties will require you to assist in the development of consumer and enterprise applications. This role is ideal for developers who feel confident in their technical ability and want to be a part of the highly-skilled and constantly improving development team at Konrad. What You'll Do Write maintainable, testable, and performant software in collaboration with our world class team. Participate in code review and performing extensive testing to ensure high quality software. Research new technology and tools and share those findings with the team. Communicate clearly and effectively with all members of our team. Continuously provide feedback to the mobile development process within our company. Qualifications 1+ years of professional experience building Android applications with Kotlin. Strong command of important programming and computer science concepts. Ability to understand a mobile application and how it's built from end-to-end. Fundamental knowledge of core mobile principals (UI implementation, Android application development frameworks, Restful APIs). Knowledge of latest mobile technologies including Kotlin, Reactive Programming, Android Jetpack, Unit Test, and design patterns such as MVVM, MVP, TDD. Great interpersonal skills - we work very closely together as a team and require a lot of communication. Proactive personality, and a desire to deliver your best work. A love for improving software development workflows/process. Excellent English communication skills, written and verbal, are required. Nice To Have Experience with or an understanding of newer approaches to networking, like GraphQL. Other mobile development experience, such as iOS development using Java or Kotlin, or cross-platform development with React Native, Flutter, Ionic, Xamarin, or Cordova. Perks and Benefits Mentorship Program Comprehensive Health & Wellness Benefits Package Parental Leave Program Flexible Working Hours Work from Home Flexibility Service Recognition Programs Socials, Outings & Retreats Culture of Learning & Development Konrad is committed to maintaining a diverse work environment and is proud to be an equal opportunity employer. All qualified applicants, regardless of race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status will receive consideration for employment. If you have any accessibility requirements or concerns regarding the hiring process or employment with us, please notify us so we can provide suitable accommodation. While we sincerely appreciate all applications, only those candidates selected for an interview will be contacted. #LI-Hybrid

Careers | Konrad®

If you’re a passionate lifelong learner and excited to work with the world’s best, we would love to meet you.

You'll build **high-performance native Android applications** using Kotlin for BJAK's insurance and financial products.

Bjak

Bjak Jobs

You'll be a great fit if you: - Have strong back-end software engineering experience with the JVM ecosystem (Java, Kotlin, Spring Boot) - Have hands-on … Job details - Permanent position - Tech stack: React, Java, Kotlin, Ruby on Rails - Full-time - Berlin, Germany - Hybrid work setup (up to 2 remote days

Doctolib

Telehealth

. - Our stack is composed of Rails, TypeScript, Java, Python, Kotlin, Swift, and React Native. - We leverage AI ethically across our products to empower … - You have fullstack software engineering experience with React/Typescript and the JVM ecosystem (Java, Kotlin, Spring Boot) - Ruby experience is a bonus

Doctolib

Telehealth