Custom Web Application Development Company
Our Expertise at a Glance
9+
of experience
98
Customer Success Rate
Top 5
Developers
90
Average response time
Business-Centric Web App Development
Helius web developers have the technical prowess and experience to deliver bespoke web applications. We design and develop business-centric solutions, including enterprise-level web apps for all industries integrated with your business applications. Our team transforms your vision into a secure web solution to elevate your online presence.
Technologies We Use for Custom Web App Development
By incorporating the latest technologies for web app development, we improve the user experience, resulting in building a loyal customer base. Future-proofing your solution with the latest technologies, our team will build a better product, giving you a competitive advantage.
JavaScript
JavaScript, along with CSS3 and HTML5, are required to build progressive web applications, delivering a native app-like user experience and offline functionality.
React.Js
It's a powerful JavaScript library required to build interactive user interfaces, facilitating a structure to ensure dynamic front-end experiences.
Express.Js
Another JavaScript technology, we use Express.Js to streamline back-end development systems and fast-track API creation to improve application speed and security.
MongoDB
Required for database development, a NoSQL document-oriented database technology, MongoDB has a flexible schema and impressive scalability, enabling effective data management.
Apache
Apache is an open-source HTTP server technology we use at Helius for web app development services due to its high-performance capabilities, flexibility, and web app hosting.
Docker
A containerization technology that allows developers to package applications with all the relevant dependencies into a standardized unit called container for portable app deployment.
NginX
NginX works as a web server and reverse proxy, empowering digital solutions with additional scalability. NginX also provides the extra strength required to handle high user traffic.
Micro Frontends
Micro frontends help to build self-contained frontend modules in web application development, promoting scalability and reusability of the tech stack and maximum customization.
Artificial Intelligence
AI is useful in web application development to deliver personalization. It integrates a system to provide intelligent recommendations and build chatbots to enhance user experiences.
AMP
Accelerated Mobile Pages system is useful for improving website page speed and performance, while reducing the chances of a user abandoning the page due to a lack of a good experience.
Web 3
Implementing decentralized web experiences, our web application development experts aim to build and deploy a user-centric and secure web experience using blockchain technology.
Internet of Things
A major advancement in web app development, we leverage IoT technology to deliver solutions enabling your customers to communicate with IoT devices for a wide range of purposes.
Web App Development Solutions We Provide
Helius holds expertise in custom web development and works with a result-driven approach. We employ agile development methods to reduce development time and deliver bespoke solutions.
Web Portal Development
- Vendor and B2B portals for customer-client interaction and engagement.
- Scalable customer portals that adapt to organizational needs and dynamics.
- Connect with audiences by multi-channel communication to improve trust.
Progressive Web Applications
- Deliver native-like customer experiences and seamless user experiences.
- Browser-capable PWAs indexable on search engines to improve visibility.
- Expand outreach to users and seamlessly integrate with web services.
Custom CMS Development
- Easily manage content with intuitive interfaces designed for end-users.
- Publish your content on different platforms without interruption.
- Work with a future-proof CMS that adapts to your business requirements.
SaaS Web App Development
- User-friendly web apps to bring recurring revenue and customer loyalty.
- Secure SaaS solutions that are easy to scale on a granular architecture.
- Automate administrative tasks with a technically advanced SaaS solution.
eCommerce Web Solutions
- Improve your business online presence with a feature-rich sales platform.
- Friendly shopping experience, easy navigation and secure checkout process.
- eCommerce platform that seamlessly grows with solution and customer base.
Enterprise Web Development
- Automate workflows and improve systems with large-scale deployments.
- Improve customer-client communication and departmental collaboration.
- Secure company data and manage critical processes with a single solution.
3rd Party API Creation
- Bespoke APIs to enhance app existing functionality and capabilities.
- Pre-built APIs that integrate with web apps to reduce development cost.
- 3rd-party payment gateways, SaaS, and more for better app performance.
Web App Support and Maintenance
- Ensure applications peak performance with Helius’s support services.
- Regular progress updates to ensure seamless application functionality.
- 24/7 dedicated customer support service for quick resolution of issues.
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.
Cloud Services and Solutions
We are in the habit of empowering businesses with robust cloud solutions using technologies like AWS, Azure, and GCP. Our experts orchestrate a scalable cloud infrastructure to ensure peak performance, cost-efficiency, and effective data security to elevate customers’ experience.
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.
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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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!
A custom-built website offers greater flexibility and scalability, allowing businesses to scale and adapt as they grow. Furthermore, it opens up avenues for improved user engagement, security, and better SEO rankings, collectively giving you a competitive advantage.
Customized websites or applications offer greater flexibility, scalability, and security. While templated websites have a rigid structure, customized ones offer more room for innovation and a better user experience.
Customized websites have an optimized logical structure that facilitates easy crawling and indexing. Clean code, meta tags, and the inclusion of a CMS help improve a website’s visibility through better search results and user experience.
For custom web app development, we begin by conducting user research, discovery, and strategic planning focused on improving higher user experience. From here, we move on to the design and prototyping stage to finalize the app’s outlook, followed by the development and testing of the solution. At every stage, experienced professionals take the helm of the tasks to ensure excellence.
The cost of hiring us for web app development services depends on your requirements and the complexity of the design, among other aspects. Furthermore, the costs can vary according to the engagement model you choose to work with our experts. Let’s get on a call to discuss your requirements so that we can share an estimate.
The Helius Blog
Our official blog with news, technology advice, and business culture.
- by Paresh Masani
- 6 Min
- 2nd Apr, 2025
- by Paresh Masani
- 11 Min
- 1st Apr, 2025