Hire Kotlin Developers for Bespoke Android Apps
Our Expertise at a Glance
9+
of experience
98
Customer Success Rate
Top 5
Developers
90
Average response time
Kotlin Solutions for Web and Mobile Space
As a leading Kotlin development company, we know that every project needs a unique approach. Well, some aspects remain the same for us – our transparent communication with customers, professionalism, and on-time delivery. Hire Kotlin developers to leverage their extensive experience in web/mobile technology.
Quality-First Approach for Scalable Apps
We believe in delivering quality projects for which we abide by the latest industry standards. Your app is tested through vigorous testing modules. We emphasize important elements like convenience, coordination, quality, and timely delivery to deliver high-quality and profitable Kotlin apps.
Regular Support Post-Project Completion
Our job does not end with project delivery but continues even after your app is launched. We help you get regular maintenance & post-release support through troubleshooting and regular updates. Our team responds to your queries and resolves issues to make sure your Kotlin app runs efficiently. We assist you in resolving the errors so that your users do not face any problems with the app.
Witness Positive Business Results with Kotlin Solutions
We help businesses from different verticals to create a Kotlin Android app to meet their sales targets and generate revenues. As a trusted server-side web app development partner, we develop market-ready Android apps for your brand to stay competitive.
Internet of Things Apps
Kotlin helps build apps for IoT devices using its distinctive features for hardware models. The power and simplicity of Kotlin can be combined with other tools to develop perfect IoT apps effortlessly.
Photo Sharing Apps
Leading photo-sharing apps use Kotlin to build scalable apps that allow users to upload, share and save images on social platforms. Kotlin supports different activities on photo-sharing apps.
Ride-Sharing Applications
Many ride-sharing apps use Kotlin to manage internal processes smoothly. These processes may include automation, plugins etc. Build scripts are written using Kotlin. Popular ride-sharing apps are turning to Kotlin.
Online Learning Applications
A lot of apps offer online learning through different courses including major universities. Kotlin supports perfect communication, flawless knowledge sharing and overall efficiency for such apps.
Food Delivery Applications
Food delivery apps having Android mobile apps use Kotlin to build scalable apps. It is a useful programming language with numerous features to build food delivery apps for the Android version.
Notes Writing Application
An app that helps take notes, manage checklists, and prepare to-do lists also relies on Kotlin to develop an Android app. Note-taking apps use Kotlin for note scanning, audio, scanning hand-written notes etc.
Project Management App
Project management apps help big companies to manage their tasks easily. Kotlin can be the perfect language for such apps especially to build Android apps to facilitate easy management of routine tasks.
Android Development with Kotlin App Development Services
As an expert Kotlin mobile app development company, we choose modern tools to create bespoke Kotlin apps. With a skilled team of developers, designers, and testers, we deliver efficient mobile apps. After working with a huge network of clientele across different industries, we are well-versed in meeting the needs of all types of businesses. We focus on delivering profitable apps that help businesses enjoy success in the long run. Launch scalable apps to impress your customer base faster.
Custom Kotlin App Development
- We craft custom Kotlin apps that fit into your business needs and automate your business operations.
- Our expert Kotlin developers develop robust Kotlin apps for different sectors like e-commerce, healthcare etc.
UI/UX Design
- We build interactive & engaging user interfaces to drive your audience with our Kotlin App UI/UX design experts
- We focus on visual elements that enhance the overall look and feel of your app to launch innovative apps.
Kotlin App Migration
- Want to migrate the current app to Kotlin? We seamlessly move the codebase of your app to Kotlin without any data loss.
- We keep the current functionalities intact and ensure compatibility. Our developers ensure a smooth migration.
App Support & Maintenance
- We figure out issues if any, check for updates and offer continuous support while making specific improvements.
- We take care of bug fixes as well as feature improvement for better app stability and performance.
App QA and Testing
- We use a detailed quality check process for your app before launching it to avoid surprising errors later.
- We review & optimize the existing Kotlin app to improve performance and functionality and ensure the code is clean.
Web App Development
- We use Kotlin to develop back-end and front-end to deliver web apps, CMSs, e-commerce platforms etc.
- Using Kotlin we ensure consistent apps for higher scalability and maximize profits to reach your goals.
Cross-Platform App
- We build native-like exceptional user experiences across multiple platforms by writing business algorithms and logic.
- With Kotlin we build cross-platform platform-specific apps by reusing code among multiple platforms.
App Optimization
- We work on code optimization along with best practices to complete the project on time and boost app performance.
- We optimize your app, check the code, and optimize vital components to help launch your app with confidence.
Your One-Stop Shop for All Things Digital
Moving beyond web application development, we offer a wide range of solutions to empower your digital transformation journey. Helius’s expertise in working with cutting-edge technologies and a zeal to build innovative solutions give us a unique advantage over others to address all your business challenges and help you achieve your goals.
iOS App Development
Helius iOS experts manage application development for iOS devices from design to deployment while ensuring your customers work with an intuitive user interface. Our developers translate your vision into captivating iOS experiences, and ASO experts administer the app’s launch and listing.
Android App Development
We build mobile applications for Android using the best tech stack and UI/UX design while navigating complex functionalities and integrations to facilitate the best user experience for your customers. We don’t just build performant Android apps; we craft unforgettable digital experiences.
AI/ML Services
Unlock the true potential of AI and ML with business-centric algorithms that facilitate task automation. We integrate data-driven insights to craft personalized user experiences, and our AI/ML experts transform data into actionable intelligence to give you a competitive advantage.
Custom Software Development
Our custom software development solutions align with your specific business requirements. Expert in working with several programming languages and methodologies, we build business-centric workflows, features, and designs to help you solve specific challenges and propel the business forward.
User Interface Design
We ideate and design aesthetically pleasing and intuitive interfaces, prioritizing engagement and fostering brand loyalty. Our interfaces are built after anticipating user needs and help ensure a seamless and delightful user experience.
Tech Stack We Use for Customer Web Application Development Services
Fast-loading and performance-driven custom application development services are built on the rock-solid technological foundations that will support your business while you work on its growth. At Helius, we are steadfast in our commitment to bring the best of technology to build customized web applications.
Database
Frameworks
Cloud & DevOps
Emerging
Track Record of Our Success
Discover Helius expertise in web application development and get to know us better.
Leading Global Digital Health Company
Huma
Leading Global Digital Health Company
Huma Therapeutics is a global digital health technology company that advances digital-first care delivery and research to help people live longer, fuller lives. Its award-winning modular platforms are used by more than 3,000 hospitals and clinics, with over 31.5 million active users in healthcare and over 650,000 participants across research
Tech Stack
AndroidAngularAWSCypressFigmaGoogle CloudiOSMongoPythonTestrail
Features
Decentralized Clinical TrialsDigital therapeutics (DTx)Medical device software and SaMDPaaSPatient engagement solutionsRemote patient monitoring (RPM)SaaSTelemedicine
Our Contributions
- 2x Faster Growth: Our strategic IT outsourcing solution played a crucial role in Huma’s impressive 2x growth rate.
- Enhanced Disease Management: We implemented Google Cloud’s GenAI to significantly enhance Huma’s regulated disease management platform.
Delivering Scalable Patient Care Solutions
- Virtual Wards Platform for NHS Trusts: We developed a groundbreaking virtual wards platform, now used nationally across England, Germany, and the UAE, empowering NHS Trusts to deliver remote care for various therapeutic areas.
- ‘Hospital at Home’ Technology: Our innovative solution facilitates real-world patient monitoring, creating a seamless “hospital-at-home” experience. This technology is used by leading institutions like Royal Brompton and Harefield hospitals and supports diverse patient groups including those with type 2 diabetes (Discover-NOW & Know Diabetes) and undergoing orthopaedic surgery (Smith+Nephew).
- Dynamic Platform for Clinical Trials: We built a robust platform enabling rapid deployment of clinical trials, streamlining data collection for decentralized and hybrid trials.
- EU MDR Class IIb & US FDA 510(k) Cleared Platform: Our expertise was instrumental in creating Huma’s medical device platform, approved for both the EU and US, fostering patient engagement and real-world evidence collection for MedTech.
Our comprehensive contributions demonstrate our commitment to partnering with Huma in transforming healthcare delivery through innovation and efficiency
Simplifying Payments with a Touch
Bleep
Simplifying Payments with a Touch
From point of sale and payments to inventory management and reporting. Bleep has flexible, robust, fully integrated EPOS system keeps you in control. And the best part–our team is beside you every step of the way.
Tech Stack
Knockout JSPerl DancerVue JS
Features
All in One EPOS SolutionsBack office reportsEPOS PeripheralsEPOS SystemsHandheld EPOSPayment Solutions
Our Contributions
- Improved User Experience: Our team completely revamped the UI for sales reports and other modules, prioritizing user-friendliness and intuitive navigation. This update empowers users to access and analyze sales data with greater ease and efficiency
- Expanded Reporting Capabilities: We significantly bolstered the WBO panel with a comprehensive suite of new sales reports. This expanded data provides valuable insights, allowing for more informed decision-making and improved sales strategies.
- Streamlined Data Access: Our team developed a robust set of APIs specifically designed for sales reports. These APIs facilitate seamless integration with external applications, ensuring smooth data flow and enhanced functionality.
- Optimized Response Times: Through strategic optimization of core queries, we significantly improved the response time of our sales APIs by 70-80%. This translates to faster data retrieval and a more responsive user experience
- Enhanced POS Integration: We’ve updated the POS integration APIs to ensure seamless communication and data exchange between your Point-of-Sale system and our platform. This streamlined integration guarantees the accuracy and efficiency of your sales data management.
Revolutionizing Digital Asset Management
vEmpire Web App
Revolutionizing Digital Asset Management
VEMP Studios, a part of the broader VEMP Ecosystem, is dedicated to financing, funding, and developing blockchain-based games and metaverses.
Tech Stack
BinanceEthereumNext JSNode JSPulseSolidity
Features
DecentralisationVirtual RealityWeb3 game studioWeb3 venture builders
Our Contributions
- Streamlined Staking Experience: We built a user-friendly frontend panel that empowers users to seamlessly stake, claim rewards, unstake, and participate in NFT staking across multiple blockchain networks.
- Secure, Scalable Smart Contracts: Our team deployed robust smart contracts on various chains, facilitating staking functionality and other features for the vEmpire platform.
- Additional Services: Staking, Unstaking, and Claiming Rewards functionality for a variety of crypto assets.
Empowering Your Digital Future
Alvara
Empowering Your Digital Future
The Alvara Protocol is a transformative platform in the DeFi space designed to democratize the world of fund management. Alvara provides an innovative tokenized fund factory that paves the way for anyone to become a fund manager.
Tech Stack
EthereumExpress JSFigmaNode JSReact JSSolidityTypescriptVite
Features
A Hub for Tokenized BasketsBTS FactoryThe ERC-7621 hubTokenized funds for a DeFi future
Our Contributions
- Shaping the Future of DeFi: Our team actively participated in the evolution of DeFi by contributing to the development of the ERC-7621 “Basket Token Standard” (BTS) – a revolutionary standard pioneered by Alvara. This novel approach enables the creation of tokenized baskets, unlocking a future powered by decentralized fund management.
- Seamless User Experience: We designed and built a user-friendly frontend dashboard for Alvara. Users can effortlessly create and manage BTS pools (representing tokenized baskets), invest in existing pools, withdraw their funds, and claim testnet Sepolia Ethereum through the integrated faucet module.
- Robust Backend & Secure Environment: Our expertise delivered a comprehensive backend system that efficiently processes smart contract events and ensures smooth operation. We also leveraged AWS services and Cloudflare to establish a secure production environment, safeguarding user data and platform functionality.
Digitizing Energy Assets
Permian Chain
Digitizing Energy Assets

PermianChain Technologies is a FinTech company streamlining energy finance and compute services. PermianChain brings together the blockchain economy and natural sector to transform the way natural wealth is created and generated.
Tech Stack
EthereumExpress JSFigmaNode JSReact JSSolidityTrello
Features
Asset TokenizationBitcoin MiningCrypto MiningDigital Energy ConversionEnergy trading exchangeHyperLedger
Our Contributions
- Secure, Private Transactions: We implemented a comprehensive end-to-end blockchain solution using IBM Hyperledger, ensuring secure and transparent record-keeping for all transactions within the PermianChain platform
- Tokenized Energy Ecosystem: Our team designed and developed custom tokens and smart contracts to facilitate efficient trading of energy assets on the platform.
- Streamlined User Experience: We built a user-friendly exchange for seamless buying and selling of tokens within the platform.
- Customizable Platform: We developed a comprehensive suite of dashboards and dedicated panels (Miner, Supplier, Admin, Trader, Investor) from the ground up, offering a highly functional and intuitive user experience for all platform participants.
Decentralizing the Future of Finance
Astra
Decentralizing the Future of Finance
Astra DAO is an automated crypto asset allocator, built on Arbitrum to provide advanced investment strategies to retail participants. Astra DAO simplifies passive investing for retail participants by providing an array of Crypto Indices.
Tech Stack
Angular JSArbitrumEthereumExpress JSNode JSSnowFlakeSolidity
Features
Crypto Asset AllocatorCrypto IndicesCrypto Investment StrategiesDAO GovernanceStaking
Our Contributions
- Empowering DeFi Innovation: Our team developed a comprehensive suite of smart contracts for a custom token, innovative indices on Ethereum and Arbitrum blockchains, and various DeFi functionalities (staking, unstaking, IToken staking, governance). This versatile solution empowers users to participate in a new era of decentralized finance.
- Seamless User Experience: We built a user-friendly frontend dashboard that simplifies index creation and investment. Users can effortlessly manage their staked assets and actively participate in on-chain governance processes (proposal creation, voting, gasless voting).
- Additional Integrations:
- Smart contract integrations for Stake, Unstake, Indice creation, IToken staking, and Governance (create proposal, Vote, Gaseless vote).
- Multi-chain support for Ethereum and Arbitrum blockchains, expanding accessibility and functionality.
Smart Insights for Crypto Investments
Token Metrics
Smart Insights for Crypto Investments
Token Metrics is a cryptocurrency investment research firm that uses AI and Machine learning and data scientists, quant traders, and crypto native research analysts to provide timely insights on crypto and NFT projects.
Tech Stack
FigmaNode JSReact JSSnowFlake
Features
Candlestick chartsCoinPaymentCryptocurrenciesFinancial MediaFundamental AnalysisPaypal PaymentPrice PredictionsSonarQube Code AnalysisStripe PaymentTechnical AnalysisTradingView Charts
Our Contributions
- Unparalleled Market Insights: We designed and developed a user-friendly platform that aggregates price prediction data, statistical analysis, token grades, indices, and rankings for over 4500 cryptocurrencies, empowering users with comprehensive market insights.
- Enhanced Code Quality: We implemented SonarQube, a leading static code analysis tool, to ensure the robustness and maintainability of the Token Metrics platform.
- Historical Data Foundation: Our team built a powerful back-end system that ingests and stores vast amounts of historical OHLCV (Open, High, Low, Close, Volume) data for over 4500 crypto tokens, fueling our advanced price prediction models
- Scalable Infrastructure: We architected a robust environment leveraging 15+ Amazon EC2 instances to efficiently handle the high-volume OHLCV data processing for all 4500+ tokens on an hourly basis.
Unlock Exclusive Crypto Opportunities
Antara
Unlock Exclusive Crypto Opportunities

A blockchain-based, base-building, management game with combat mechanics. Players will get a free tribe to upgrade and build a base around. As they grow, they’ll manage resources and build units to fight other players. Climb the competitive ladder, win rewards and reign supreme while using the Arabian camel NFTs in conjunction with your purchased chief.
Tech Stack
EthereumFigmaNext JSSolidity
Features
3D gameCartoony-stylized art style gameinspired by the lore rich story of AntaraPlay to Earn tokenThe world’s first blockchain build and battler
Our Contributions
- Fueling Innovation: We played a key role in the development of Antara, the world’s first blockchain-based “build and battle” game inspired by a rich lore. Our team crafted a secure and efficient smart contract to facilitate fundraising for this innovative project.
- Seamless User Experience: We designed and developed a user-friendly frontend that showcases essential game information and integrates functionality from the fundraising smart contract. This allows for a smooth user experience during the crucial funding phase.
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Have an App Idea?
Share your contact information to schedule a free 30 minute discussion call where we assess your requirements and share the best way forward.
What We’ll Do?
- Understand your requirements
- Share ideas and possible solutions
- Know the work scope
- Discuss work terms
You can discuss the terms with your team
Set up another call to sign contract
We share the deliverables & begin the work
Schedule a meeting with our expert
Client Testimonials
Before Helius, navigating HIPAA compliance was a big headache for us due to its dynamism and intricacies. However, after entrusting this work to Helius, we get comprehensive risk assessment reports and the implementation plan for ensuring compliance. This has given us peace of mind, allowing us to work on patient care without interruptions.
xyz
xyz Company
Before Helius, navigating HIPAA compliance was a big headache for us due to its dynamism and intricacies. However, after entrusting this work to Helius, we get comprehensive risk assessment reports and the implementation plan for ensuring compliance. This has given us peace of mind, allowing us to work on patient care without interruptions.
xyz
xyz Company
Ask Our Experts!
Kotlin app development costs vary with app design, app features and app’s complexity. We assess your app requirements to offer an estimated quote. Contact us to get a quote for your Kotlin app development project.
The time taken to build the Kotlin app depends on the features integrated and the complexity of your app. If you want to design simple apps, it can be completed in a couple of weeks. If you wish to build a complex app, it can take a few months. Get in touch with us with your app requirements and know the exact timeframe to build your Kotlin app.
We give equal importance to the security and confidentiality of your app idea and hence sign an NDA with you to protect your app idea. Do not worry as your app idea is safe and secure with us.
Yes. We will offer regular updates on the progress of your project. To do so, we use a project tracking tool like Jira to help you track your project. We are fine using any other project management tool you prefer. We also plan weekly meetings for discussions with clients and listen to their feedback and suggestions.
We not only help you till the development stage but also offer support & maintenance even after the app launch. We work to keep your app updated, free of glitches and check performance so that your project is technically up and running.
Yes. We do offer consultation to discuss your app requirements and your expectations. We analyze your niche, competition, and market demands to offer you the best Kotlin app solution you will cherish for years.
The Helius Blog
Our official blog with news, technology advice, and business culture.
- by Kavya Dave
- 8 Min
- 28th Mar, 2025
- by Kavya Dave
- 8 Min
- 26th Mar, 2025