Hire the best Kotlin Developers in Sydney, NSW
Check out Kotlin Developers in Sydney, NSW with the skills you need for your next job.
- $35 hourly
- 5.0/5
- (2 jobs)
I am a reliable & hard working individual with excellent communication skills as a native English speaker, this is especially crucial in freelance projects where clear & frequent communication is key to the timely delivery of such projects according to specification. I have extensive experience communicating and collaborating with stakeholders across continents and time zones with various agile teams based in Sydney, Houston, London, and Berlin. I have knowledge and proficiency in key programming languages and I am currently seeking new and challenging projects in mobile development which will allow the exploration of new technologies and further development of the skills acquired from over 7 years of industry experience and more 6 years of freelance experience developing native Android (Kotlin & Java) and also with Flutter/Kotlin multiplatform mobile applications (personal, commerical, and enterprise). I can also share my freelancer.com profile, CV, and app submissions for further references.
Kotlin
SlackJetPackRoomGitJiraSupabaseFirebaseFlutterDartTrelloDagger 2Android App DevelopmentAndroidRetrofitJava - $100 hourly
- 5.0/5
- (4 jobs)
I help small and medium business/companies to achieve success in their software development projects. Additionally, I support them in establishing, managing, and expanding their technical teams. Let's work together to accomplish your goals! My services include: - Project Management and Cost Analysis - Quality Control and Testing - Collaborating with Freelancers and Agencies - Developer Hiring and Coaching - Technology Consulting and Best Practices - Project Revival and Troubleshooting - Technology Support for Digital Marketing - Data Warehousing, Reporting, and Dashboarding. - Resolving complex issues within your software. Let's work together to achieve your goals! My expertise includes: - Android/iOS app development. (Swift, UIKit, SwiftUI, Java, Kotlin) - Cloud computing, serverless architecture, DevOps , AI & ML. - Google (Play store) & Apple (App store) Expert I've had the opportunity of creating and optimizing dozens of successful applications for clients in FinTech, EdTech, Social Media, Entertainment, Fitness, Lifestyle, and eCommerce. My goal is to build solutions that are tailored to your business and need. If you'd like to learn more about my experience and how I can help your business grow, please don't hesitate to reach out. I'm always open to new opportunities and would be thrilled to discuss the possibility of working together.
Kotlin
Team ManagementJiraRecruitingLinuxNext.jsReactSwiftStartup ConsultingAndroid App DevelopmentiOS DevelopmentSolution ArchitectureSoftware DevelopmentTeam BuildingProduct Management - $60 hourly
- 0.0/5
- (0 jobs)
Over the last 6 years, I have developed wide websites and mobile apps in several companies. My background is web and mobile development and, earned several qualifications and trained rich experience by working with excellent teams. As you see now, I am a newbie on Upwork. However, I can make a huge contribution for you or your company with set of powerful skills and my rich development experience. My web and mobile skills are reliable and strength, and appreciable for your project. You can make a huge company growth with me. Your Success is My Business. Best regards. Alex Martin.
Kotlin
Google Maps APIStripeSolidityweb3.jsLaravelAndroidReactReact NativeNode.jsMySQLJavaFirebaseSwiftMongoDB - $20 hourly
- 5.0/5
- (3 jobs)
Hi, Thanks for the little time you invested in checking my profile. I will make sure that your time worth it. Professional Native & Hybrid mobile app developer with 4 years of expertise in designing, developing, testing, and managing many types of mobile applications. Analytical and detail-oriented. I also work on platforms for hybrid mobile applications like Flutter. React Native, adept at bringing the entire team together to accomplish a task on schedule. combining cutting-edge technology, design theory, and a healthy dose of imagination to conceptualize app solutions. I am constantly eager to learn new things and take on new challenges. devoted to providing clients with practical and simple-to-use app solutions. What to offer: - iOS, Android, Java, Kotlin, Swift - Flutter, Dart, React Native - Client/server, database/web interfaces - React/Angular/Node websites - SaaS - Mobile app design Let's talk about your business/needs to discuss possible solution and growth! Relevant Keywords: iOS developer, Expert mobile developer, Mobile apps, Hybrid Mobile applications, Native Mobile developer, Android developer, Swift, SwiftUI, Kotlin, Java, React, React Native, Angular, Flutter, FlutterUI, PHP, Node.js, Backend development, API, payment gateways, SaaS, Experienced mobile app developer, Mobile app development, Mobile app design, Mobile UI/UX designer, Figma
Kotlin
AndroidiOSFlutterSwiftSocket ProgrammingReact NativeFirebaseWeb DevelopmentDartJavaPHPJavaScriptReact - $40 hourly
- 0.0/5
- (0 jobs)
Presentation Over 10 years' IT industry experience with 8 years focusing on Android and web solutions. Sr. Mobile application developer with experience developing mobility apps including Mobile Web and native apps on Windows Mobile and Android devices. Planned, designed, developed and implemented successful large-scale projects from conception to completion Proficient with Android and ios application development lifecycle from application creation to deployment in Google Play.
Kotlin
Ruby on RailsExpressJSLaraveliOSAndroidJavaSwiftFlutterReact NativeMongoDBPostgreSQLRubyPHPNode.js - $30 hourly
- 4.7/5
- (9 jobs)
I'm an experienced and professional mobile and software developer doing freelance, working remotely (telecommute) and looking for great projects to work on. I love to make your ideas alive. I care about every single line of my code. I have been spending every spare minute writing code and mastering new skills. Process: • Briefing/Discussion • Exploration • Design concept / Prototype • Development • Feedback • Delivery • Life Support Summary of Qualifications: • Flutter, Kotlin, React Native • Android Jetpack compose, Clean architecture, MVI, MVVM, MVP, MVC • Kotlin flow, coroutines, Dagger2/Hilt/koin, Room • UI design with Material3 • Modularization (Independent modules for better scalability and maintainability). • Imagekit for complete image optimisation and transformation • Google Map, Geofencing, GeoLocation, Place API, Direction API • Firebase Integration • Third party Payment Integration • Barcode/Qrcode Scanner ZXing, Zebra, Posiflex • Worked with Printers (Epson, Start) • Worked with Kiosk and POS device • Third Party SDK Integration like OLO, Punch, Clover • Always up-to-date with the latest technologies, techniques, optimisations and best practices I always aim to maintain a long term relationship with my clients. Whether you've lost your original developer, need additional resources, or want a brand new app, I can step in and take over wherever you need. I am available full time. Please connect with me for any Android related work. Thanks for spending time to look at my profile. Looking forward to work with you!!
Kotlin
GitOdooMobile UI DesignRESTful APIIn-App PurchasesAPI IntegrationFirebaseJavaAndroidAngularFlutterAndroid App DevelopmentPythonMobile App Development - $50 hourly
- 0.0/5
- (0 jobs)
Over the last 6 years, I have developed wide websites and mobile apps in several companies. My background is web and mobile development and, earned several qualifications and trained rich experience by working with excellent teams. As you see now, I am a newbie on Upwork. However, I can make a huge contribution for you or your company with set of powerful skills and my rich development experience. My web and mobile skills are reliable and strength, and appreciable for your project. You can make a huge company growth with me. Your Success is My Business. Best regards. Alex Martin.
Kotlin
Google Maps APIStripeSolidityweb3.jsLaravelFirebaseMongoDBPHPAndroidSwiftReactJavaReact NativeNode.js - $30 hourly
- 3.9/5
- (2 jobs)
👋 Hi! I’m a software engineer with over 4 years of experience in building high-quality Android applications. My work spans from designing intuitive user interfaces to optimizing app performance, resulting in seamless experiences across various devices. I offer full-cycle mobile development services—from concept and design to implementation, optimization, and maintenance. My proficiency with Kotlin, MVVM, and modern Android tools like Jetpack Compose, Retrofit, Coroutines, and Room enables me to create scalable and maintainable codebases. I’ve successfully enhanced apps such as an audiobook app, increasing stability from 96% to 99.8%, showcasing my commitment to quality and reliability. I also specialize in improving app performance and security, consistently delivering solutions that exceed client expectations and drive user satisfaction. 📞 Let’s collaborate to bring your app ideas to life and achieve your business goals.
Kotlin
ArchitectureGoogle PlayGoogleGoogle MapsSQLAPIAndroid SDKAndroidJavaFirebaseSmartphoneGraphQLPythonGradle - $22 hourly
- 0.0/5
- (0 jobs)
Hi , Abhishek this side Software QA tester with 7+ year experience in performance testing, accessibility testing , API testing , Mobile apps testing & regression testing. Strong knowledge of SDLC, QA Testing process. Experienced in the testing client/server web based and mobile application. Experienced in participating entire software life cycle- Designing , Developing and QA life cycle. Currently working as a Senior Software engineer in Westpac Banking Group AUS. As part of role i have worked on multiple project includes Master card - Visa card migration, NIKE(New remote customer onboarding), Flex Card(small limit credit cards), Part Pay or PayIN4(A globally first initiative by westpac group to provide the Pay in instalment options to its widely used personal card holders) and widely experienced in Payments & card services.
Kotlin
JetBrains IntelliJ IDEATestNGSeleniumManual Testing - $5 hourly
- 0.0/5
- (0 jobs)
I am an experienced Senior Software Engineer with a demonstrated history of working in the information technology and services industry. I have successfully developed various android apps for numerous clients. Skilled in Android app development API, MS SQL Server, Flutter app development etc. I have good communication skill to collaborate with the team and client to understand and deliver requirements. Strong engineering professional with a Bachelor of Engineering focused in Computer Science and Engineering from Stamford University Bangladesh.
Kotlin
Android UI DesignAndroid SDKAndroid AppAndroid App DevelopmentNative App DevelopmentObject-Oriented ProgrammingJavaSQLiteMySQLJetPackAndroid - $25 hourly
- 0.0/5
- (0 jobs)
👋 Welcome to my profile! 𝗚𝗿𝗲𝗲𝘁𝗶𝗻𝗴𝘀! With over 5 years of extensive experience in web development, I am a dedicated Webflow Developer specializing in building high-quality, responsive websites that deliver exceptional user experiences. My expertise lies in leveraging Webflow's powerful features to create visually stunning and functional sites tailored to meet clients' unique needs. 🌟 𝗞𝗲𝘆 𝗦𝗸𝗶𝗹𝗹𝘀: - Webflow Development and Design - Custom Interactions and Animations - Responsive Web Design - UI/UX Design Principles - API Integration and Automation - E-commerce Solutions on Webflow - HTML, CSS, and JavaScript - SEO Best Practices - Testing and Quality Assurance 𝗪𝗲𝗯𝗳𝗹𝗼𝘄 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: I have a proven track record of creating high-performance websites using Webflow. My proficiency includes designing and developing dynamic, user-friendly sites that align with brand identity and business goals. I ensure that every project is optimized for performance and usability. 𝗖𝘂𝘀𝘁𝗼𝗺 𝗜𝗻𝘁𝗲𝗿𝗮𝗰𝘁𝗶𝗼𝗻𝘀 𝗮𝗻𝗱 𝗔𝗻𝗶𝗺𝗮𝘁𝗶𝗼𝗻𝘀: I excel at enhancing user engagement through custom interactions and animations that make websites more interactive and visually appealing. My focus is on creating seamless experiences that captivate users while maintaining site performance. 𝗨𝗜/𝗨𝗫 𝗗𝗲𝘀𝗶𝗴𝗻: I prioritize creating aesthetically pleasing and intuitive interfaces that enhance user interaction. My design philosophy centers around delivering an exceptional user experience, ensuring that the sites I build are not only functional but also visually compelling. 𝗔𝗣𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 𝗮𝗻𝗱 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻: Seamless integration with APIs is a crucial aspect of my development process. I have experience working with various APIs and automating workflows, ensuring optimal functionality and data synchronization for the websites I create. 𝗧𝗲𝘀𝘁𝗶𝗻𝗴 𝗮𝗻𝗱 𝗤𝘂𝗮𝗹𝗶𝘁𝘆 𝗔𝘀𝘀𝘂𝗿𝗮𝗻𝗰𝗲: I believe in rigorous testing to ensure the final product is reliable, stable, and free from critical errors. I conduct thorough quality assurance to identify and rectify any issues before launch. 💼 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗔𝗽𝗽𝗿𝗼𝗮𝗰𝗵: I thrive on translating concepts into reality and collaborating closely with clients to understand their unique requirements. My approach combines technical expertise with a keen eye for detail, ensuring the delivery of user-centric websites that exceed expectations. I prioritize transparent communication and adherence to deadlines, resulting in successful project outcomes. 🔍 𝗟𝗲𝘁'𝘀 𝗖𝗼𝗹𝗹𝗮𝗯𝗼𝗿𝗮𝘁𝗲: If you're looking for a versatile and experienced Webflow Developer, I am ready to bring your vision to life. Let's collaborate to create exceptional web experiences that resonate with your audience. 💬 𝗙𝗥𝗘𝗘 𝗖𝗢𝗡𝗦𝗨𝗟𝗧𝗔𝗧𝗜𝗢𝗡: My consultation is 𝗳𝗿𝗲𝗲. Let's schedule an introductory call to discuss your project and explore how I can help. Even if we don’t end up working together, you’ll leave with valuable insights and ideas. Just click on the '𝗜𝗻𝘃𝗶𝘁𝗲 𝘁𝗼 𝗝𝗼𝗯' button and experience it for yourself. No matter what your web project entails, send a message OR invite me to your job so we can schedule a call. Webflow, Web Developer, UI/UX Design, API Integration, E-commerce, Responsive Design, Testing, Quality Assurance, HTML, CSS, JavaScript
Kotlin
Android App DevelopmentiOS DevelopmentSupabaseFlutterFlowSwiftUIiOSWeb DevelopmentMobile AppApp DevelopmentFirebaseFlutterSwiftReactReact Native - $30 hourly
- 0.0/5
- (0 jobs)
Hi, I'm Win Phyoe Thu, an experienced Android developer with over five years of expertise in creating high-quality, scalable mobile applications. I have a Bachelor’s degree in Software Engineering and a proven track record of delivering end-to-end mobile solutions across various industries, including finance, e-commerce, and social media. I am proficient in Java, Kotlin, and Dart, and skilled in using both native Android development tools and cross-platform frameworks like Flutter. In my recent role as a Senior Mobile Engineer, I worked on complex Android applications for a financial platform, using MVVM architecture, Jetpack Compose, and Clean Architecture to build seamless, user-friendly experiences. I am well-versed in using tools like Retrofit, OkHttp, Firebase, and Glide to enhance application performance and reliability. Additionally, I integrate best practices in CI/CD with Fastlane and GitHub Actions, ensuring consistent quality across releases. Collaboration and continuous improvement are essential to my workflow. I have experience working within agile teams, mentoring junior developers, and conducting code reviews to maintain high standards. I am committed to staying updated with the latest industry trends and technologies, ensuring my clients receive the best possible solutions. If you're looking for a dedicated, adaptable, and detail-oriented Android developer to bring your mobile vision to life, let's connect!
Kotlin
FastlaneDagger 2Dependency Injection FrameworkRxJavaCoroutineModel View ViewModelFirebaseGUI TestingUnit TestingGitClean ArchitectureApp DevelopmentMobile GameAndroid App Development - $25 hourly
- 4.3/5
- (33 jobs)
I represent "TOP RATED" service providers on upwork - smartData Enterprises serving clientele from past 20 years by developing mid to enterprise level application targeting various business domains. Being here in Australia, I plan meetings with clients to discuss and understand the business process where then I can implement them in a customized software solution. Providing solutions in business domain like: 1. Financial Applications: Having extensive know how for following: - Funds Management and Disbursement Systems - Budget and Financial Goal Plannings - Accounting Systems 2. Workflow Management - B2B, B2C, B2B2C flows - Time sheet tracking applications - Calling system using Asterisk, Twilio - API play with 3rd parties - Shipping workflows - Custom process workflows - Extensive reporting engine & dashboards - Rule based engines 3. Compliance – More and more industries today are coming under the umbrella of compliance to comply with global norms which allows them to compete globally. We have experience in implementation of :- • Health & workers safety regulations • Business risk advisory • Financial compliance • Environmental Guidelines • USDA regulations In Healthcare IT domains like: -- Electronic Medical Record (EMR) Development, -- Electronic Health Record (EHR) System Development, -- Telemedicine -- Billing System -- HIPAA Consultancy, -- Meaningful use (MU) 1,2 Certification and MU3 implementation -- HL7 Messaging, -- CCDA, -- Tele-Health -- Calling system -- IOT remote monitoring -- Home Health Solutions Technology Expertise - Microsoft - asp.net-mvc, c#, microsoft-entity-framework, mvc-framework, salesforce, razor-template-engine,crystal-reports, devexpress, microsoft-sql-ssrs, vb.net, c#, asp.net, itextsharp, kendo-ui,linq, telerik, sql, angularjs, mvvm, json, xml, c#, xaml,wcf, wpf, MSSQL,SSIS, microsoft-sql-ssrs, jquery, OLAP, eclipse, telerik, linq-to-entities, microsoft-sql-server-development Salesforce: PD1 and PD2 certified team MEAN/MERN - mongodb, node.js, jquery, html5, ionic-framework, angularjs, meteor,analytics, react LAMP - Laravel, CodeIgniter, CakePhp, ajax, jquery, mysql,mysql, Corephp Mobile – ios-development, android-app-development,pple-xcode, swift, cocoa, objective-c, google-maps-api, twilio-api, windows development, React Native - Experience in AWS (S3/EC2/RDS/FPS), Azure, Rackspace cloud - Developing and consuming SOAP and REST web services for projects - Utilized many business, industry vertical, security and compliance specific APIs and EDI standards in projects, includes Google and Amazon API services - For project mgmt have used versioning tools like Github, Subversion along with Bitbucket, Basecamp, JIRA, Pivotal etc. for effective communication.
Kotlin
APINative AppSwiftReact NativeMobile AppGenerative AIMicrosoft Power BINLP TokenizationAI Model Development.NET CorePythonAngularNode.jsReact - $40 hourly
- 0.0/5
- (0 jobs)
Welcome to my profile! I am a Senior Mobile & Blockchain developer with expertise through my successive developing activities for 10 years. My skills and experiences in Mobile Application Development are as following: ✅Android Application Development(Android Studio & SDK) for 10 years ✅Java for 10 years, Kotlin 4+ years ✅Android NDK & JNI for 3+ years ✅REST API Integration(Retrofit2, OkHttp) for 6+ years ✅Responsive Pixel-Perfect UI Implementation(by means of built-in UI components and custom Views) ✅Reactive Programming by means of RxJava, RxKotlin for 2+ years ✅Jetpack Compose ✅Coroutines ✅SQLite & Room Persistence & Realm Database ✅MVVM ✅Payment Integration(Stripe) ✅Google Firebase(Crashlytics, FCM and Database) ✅Microsoft Azure Server ✅AWS EC2 ✅Backend API Development(PHP, MySQL, Node.JS, MongoDB) I make it my rule to show my client daily updates and support the perfect after-service, as remote work requires them for the faith and credit. I keep learning new technologies and methodologies whenever I encounter them so that I can work more effectively and keep me an up-to-date skilled developer. Please let me have the chance to build your idea into reality!
Kotlin
Google Maps APICoroutineReactive ProgrammingAndroid Room PersistenceAndroid SDKAndroid NDKAndroid App DevelopmentAndroidAndroid StudioFirebase Want to browse more freelancers?
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