Hire the Best Freelance Kotlin DevelopersHire Top Freelance Kotlin Developers

Find top freelance Kotlin developers quickly and easily on Codementor. Work with our vetted developers who have the proven skills and experience to get the job done. Get help with projects by-the-hour or long-term. Hire a trusted Kotlin freelancer on Codementor today.

Hire In No TimeVerified Talent

Top freelance Kotlin developers available to hire

See all technologies
Freelance Kotlin Developer - Adrian Segui
Freelance Kotlin Developer5.0 (235 reviews)

Working in the IT sector for more than 10 years. With over 10 -years of freelancing and professional experience taught me all kinds of frameworks and languages, ranging from React, Angular, Vue, Node js, Express js, React Native, Redux, Rx JS, JavaScript, Typescript, WordPress, PHP, MySQL, MongoDB, Firebase, Sqlite, Postgresql, ES5+, Python3, Machine Learning, Deep Learning, RNN, CNN, Android Java/Kotlin, iOS Swift/SwiftUI, C/C#/C++, .Net, Assembly, VBA, VB, Excel Macro, Java, Spring Boot Micro-services, Zoho, Salesforce, Hubspot, R, Shiny, STATA, MATLAB, Google Sheet, App Script, Bubble io, etc. Over my long career, I have come across all kinds of challenges and gained vast experience with different kinds of industries like portals, medical industry, perception exercise, employee management, etc. I have good experience with frontend development using React JS along with Typescript, Firebase, GraphQL, React Native, Native Script, React, Material UI, Ionic, Node.js, Web Sockets, and real-time communication. I have also worked on containerization technologies like Kubernetes, Docker, AWS, GCP, Azure etc. I am very good with backend technologies as well like Java Spring boot, Microservices, MySQL, Postgres, Elasticsearch, AWS/Google integration. Please contact me to get the result done in a professional way.

Freelance Kotlin Developer - Olajide Olanrewaju
Freelance Kotlin Developer5.0 (380 reviews)
featured badge

I am a **Multi-talented** professional adept in **Full Stack Web Development**, **Web Security Research**, and **Robotics Engineering**. As a dedicated Web Security Researcher and ethical hacker, I uncover vulnerabilities and mitigate security risks, bridging the gap between development and cybersecurity. Additionally, as a Robotics Engineer, I design and build sophisticated robotic systems, applying my deep understanding of mechanics, electronics, and programming. Passionate about crafting clean, scalable code and innovative robotics solutions, I contribute to projects that prioritize both robust development, cybersecurity practices, and cutting-edge robotic technology.

Freelance Kotlin Developer - Prince
Freelance Kotlin Developer5.0 (93 reviews)

Hi, I’m a senior developer and AI engineer with 7+ years on Codementor, rated 5 stars across 93+ reviews. I specialize in AI Agents Development and Security, Python, Gen AI/ML, computer vision, automation, and full-stack development. I focus on practical, scalable solutions — from debugging tough issues to building complete systems. I’m passionate about autonomous agents and their safety, and efficient system design. Latest AI agent app - IntentFrame You can also visit my GitHub(@maniotrix) to know more about my latest ai product development capabilities. If you need sharp technical help grounded in real-world experience, I’m here to help.

Freelance Kotlin Developer - Deepak Vishwakarma
Freelance Kotlin Developer

Lead Software Engineer with 13+ years of experience building scalable enterprise applications across fintech and banking. Skilled in full-stack development, cloud migration, and blockchain integration. Led teams of 20+ developers and delivered high-performance, secure systems. Proficient in Go, Kotlin, TypeScript, Node.js, Java, and frontend frameworks like React.js, JavaScript and Angular.

Freelance Kotlin Developer - Pavneet Singh
Freelance Kotlin Developer5.0 (2234 reviews)

I am an adept **Full Stack Software Engineer and Architect** and with a wealth of experience in frontend, backend, and Data Structures and Algorithms (DSA) solution development. My expertise spans **clean architecture, TDD(test driven development), code reviews, debugging, and profiling**, enabling the delivery of high-quality solutions within constrained short timeframes. I have worked and collaborated with numerous prominent global blue chip corporations, startups, and international clients. Additionally, have made substantial contributions to Pluralsight and Stack Overflow, boasting a reputation exceeding 37k+ and ranking within the top 0.30% of users on the latter platform. Motto: Full refund in case of no help. Discounts: - Student discount is applied automatically. • Senior software engineer, have worked as a Subject Matter Expert and lead with the primary role to develop features, solve complex bugs, architecture refinements, feature integration, and development. • I intent to deliver a top-quality experience by delivering the most optimal solutions and guidance to enlighten the learners. • I have helped many developers to fix critical bugs and implement complex features on the Codementor platform. • Teaching is one of passing and I have helped numerous mentees on their journey to become successful developers in various fields such as web, native mobile, and big data. • I have expertise in curating and simplifying the content to deliver the best experience with different analogies. • I am deft at feature implementation, debugging, and refactoring. If you have any questions, Feel free to reach out, looking forward to meeting you.

Freelance Kotlin Developer - Sylvia Barnai
Freelance Kotlin Developer5.0 (6 reviews)

I am a mobile developer who has worked on Android and iOS applications for 6 years for both large and small companies. I am very passionate about teaching and mentoring and have over 2 years of experience teaching students Java and Python programming, as well as project management.

Freelance Kotlin Developer - Vivek
Freelance Kotlin Developer5.0 (14 reviews)

**iOS & Android expert.** Vivek is a seasoned Software Engineer with over **12 years of experience in Cloud & Mobility**. He has an extensive experience in building and delivering high impact projects. He works as an **Azure Architect** for major enterprise developing technologies of the future. He is also highly skilled on both the major Mobile platforms - **Android & iOS**. Strong engineering professional with a **Master's degree** in computer science. He is also an excellent trainer. He aims to utilise his vivid professional experience in helping fellow engineers and community at large.

Freelance Kotlin Developer - sunny clark
Freelance Kotlin Developer5.0 (4 reviews)

I do it all, I do iOS (swift and Obj C) , Android (Kotlin and Java), front end (I use my own JS framework, although I know vue or react), and Node Js for my back end, I prefer MongoDB, but I can use SQL like Postgres, Been programming for nearly 20 years so I know the ups and downs. I have clone Uber, Twitter , Tinder and other major apps for clients, like "tinder for job matching between employers and candidates".

Freelance Kotlin Developer - Alejandro Rey Juarez Hernandez
Freelance Kotlin Developer5.0 (3 reviews)

As a seasoned **Senior Software Engineer**, I bring a wealth of experience in full-stack development, with a strong focus on front-end technologies and quality assurance. I offer mentoring and consulting services in the following areas: **React.JS & Angular:** Proficient in building dynamic, responsive web applications using React.JS and Angular. I can guide you through best practices, performance optimization, and advanced component design. **CSS:** Expertise in CSS for crafting visually appealing and responsive user interfaces. I can help you master layout techniques, animations, and styling frameworks. **Unit Testing:** Specializing in unit testing with Jasmine/Jest for JavaScript and JaCoCo for Java. I can assist you in setting up comprehensive test suites, writing effective test cases, and achieving high code coverage. **Playwright Automation Scripts:** Experienced in writing robust automation scripts using Playwright. I can teach you how to automate end-to-end testing, ensuring your applications perform flawlessly across different browsers and devices. With a commitment to high-quality code and efficient workflows, I aim to help you enhance your skills and achieve your project goals. Whether you're looking to improve your existing codebase or start a new project from scratch, I'm here to provide expert guidance and support.

View more freelance Kotlin developers

How to hire a freelance Kotlin developer on Codementor

Post a Kotlin request
arrow
STEP 1

Post a Kotlin request

We'll share your request with freelancers with relevant Kotlin skills and expertise.

Review & chat with Kotlin freelancers
arrow
STEP 2

Review & chat with Kotlin freelancers

Use our messaging feature to instantly chat with freelance Kotlin developers around the world.

Hire the best Kotlin freelancer
STEP 3

Hire the best Kotlin freelancer

Choose the best freelance Kotlin developer that meets your needs.

Frequently asked questions

How long do Kotlin projects normally take?

The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance Kotlin project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance Kotlin request on Codementor, check out our article.

How much does it cost to hire a freelance Kotlin developer?

We don’t charge anything when you post a freelance hiring request for Kotlin developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.

What makes Codementor Kotlin developers different?

We do a comprehensive technical and communications screen of all Kotlin developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing Kotlin developers’ user satisfaction rates.

What happens if I’m not happy with the freelancer’s work?

As a platform, we strive to ensure you’re always happy with your Kotlin project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.

For more answers to frequently asked questions, see here.

Hire a Freelance Kotlin Developer in 6 mins

Sign up as a freelancer