Build robust and dynamic software with the flexible JavaScript technology

Explore endless JavaScript capabilities with the experienced and always up-to-date Klika team .

Backend and frontend interactive javascript-based applications for your business.

We deliver services to enterprises and large technology companies in fintech, customer relationship management, e-commerce, agility assessment and many more. Our JavaScript solutions range from REST/Graphql/gRPC APIs to full-stack web applications including APIs and frontend SPAs using the most modern JavaScript libraries and frameworks.

Having a deep understanding of all JavaScript advantages, our highly knowledgeable teams build web, server and mobile applications. We use a wide range of development libraries and frameworks to build complex with and deliver secure, robust and scalable JavaScript-based apps that fit your brand. From React.js to Node.js and Angular.js., you can expect us to explore all options to deliver the perfect solution.
Comparative agility
Bawag PSK

Expertise we offer

End-to-end app development

Klika offers full-cycle web development using JavaScript in order to achieve single language knowledge across the frontend and backend. JavaScript allows us to create interactive and responsive applications with a great user experience.

MVP development

With our JavaScirpt expertise, we are able to deliver an MVP quickly to validate ideas and perform user testing as early as possible. One of the biggest benefits of JS is smooth frontend development, which allows for building a smoother user experience.

API development

You can count on all kinds of scalable APIs and support integration with SPAs and mobile apps which can be easily integrated with third parties allowing you to accommodate your product to user needs.


Based on your requirements, we provide an architecture design that fits your product best, whether you are looking for monolith or microservice-based JavaScript architecture solutions.

Web application testing

Klika provides automated unit, functional, integration, and performance testing and implementation in quality gates and deployment actions.


Our experience in developing web3 applications enables you to interact with the user's cryptocurrency wallet and gateway to the blockchain.

Frontend development

We can help you build a modern, fast interactive SPA for your product and integrate it with your existing system.

Full-stack application development

We can build full-stack scalable, real-time web applications backed by JavaScript for a wide range of businesses.


Our DevOps practices and proficiency in Docker and Kubernetes, ensure continuous quality for your JavaScript-based products, whether it’s a PaaS platform like Heroku, a cloud solution like AWS or Azure or a self-hosted solution.


Based on our JavaScript expertise on various projects, we our teams are able to provide detailed architecture and code analysis and make suggestions on how to improve your product

Tools we use

Node JS
Next JS
Vue JS
Angular JS

Our clients

Klika and Mondu

The Klika team has worked with the B2B German-based FinTech specializing in fast payment solutions for SMEs, developing cutting-edge payment processing solutions that helped the startup gain fame with their product and the system behind it.

Our JS solutions are powering different user-friendly and innovative features of the Mondu system.

Klika and Spiro partnership

Partnering with Spiro seven years ago, we rolled out the MVP for, a smart CRM platform that relies on AI and ML to improve user experience and performance of sales teams. is today used widely across the globe by many organizations with its distinct features and exceptional capabilities.