*instinctools is a software development company that provides custom software solutions for businesses of all sizes. Our team works closely with clients to understand their specific needs and provide personalized solutions that meet their business requirements.
Our team is looking for a Middle React Developer for one of our clients.
Our Client is one of the TOP-5 global management consulting firms considered to be among the most prestigious ones in the world. Hundreds of customers from Fortune-500, including the largest global financial institutions, the world’s top media companies, technology companies and federal government agencies rely on our Client’s proven platform and services.
Project It’s a feature-rich, fast-performing web application that uses multiple company data microservices to deliver summarized and clean data, aiming to minimize single points of failure. The platform has customized permissions, allowing different users (both inside and outside of the client) to see layouts adjusted to their expertise. It also offers the possibility to export data in various formats like Excel, PowerPoint, and PDF, and supports different screen sizes. The project provides immediate access to reliable financial, investor, operating, and employee data, value creation analyses, and performance benchmarking for a vast number of public and private companies. It curates, standardizes, and cleans data from multiple sources and creates insights using client’s proprietary frameworks and methodologies.
Working time zone: CET, with at least 4 hours of overlap with the US East Coast time zone.
Responsibilities and Tasks:
Our expectations of the ideal candidate:
4+ years of hands-on experience with React.js and building production-grade web apps.
Strong skills in TypeScript and modern JavaScript (ES6+).
In-depth knowledge of React Hooks, Context API, and state management tools (Redux, Zustand).
Proficiency in creating and styling UI with HTML5 and CSS3, including experience with CSS-in-JS libraries like Styled Components or Emotion.
Solid experience working with and customizing charting libraries such as Chart.js, D3.js, Ant Design Charts, or Highcharts.
Strong understanding of rendering performance in chart-heavy UIs (virtualization, debouncing, lazy loading).
Familiarity with RESTful and GraphQL APIs; experience with Apollo Client or similar libraries.
Knowledge of testing tools: Jest, React Testing Library or equivalent.
English: Upper-Intermediate or higher
We offer:
Important Notice Regarding Your Personal Data Security
At *instinctools, we take the security of your personal data very seriously. Please be informed that all official communication, offers, and correspondence from *instinctools are conducted only through our verified company resources, including:
Official Email Domain: @instinctools.com
Company Website: https://www.instinctools.com
Important Reminder:
*instinctools will NEVER ask for sensitive personal or financial information, including:
– Bank account details
– Credit/debit card numbers
– Passwords or PINs
If you receive any suspicious requests claiming to be from *instinctools via unofficial channels (e.g., personal emails, social media DMs, or phone calls), please:
– Do not respond or share any information.
– Report it immediately to compliance@instinctools.com or your official contact.
Your trust and security are our top priorities. For any questions, always verify through our official channels.
Thank you for your attention and cooperation.
*instinctools is a developer of IT solutions for Western Europe. We have over 350 projects in our portfolio. The spheres are different – from healthcare and medicine, training and education, to digital advertising, economics and IT. For the software implementation and maintenance across such a number of projects, competent developers are important.
We use a modern technology stack, the key of which are:
Javascript, ReactJS, Angular, Node.js, Golang, Python, Java, iOS, Android, Blockchain, AWS.
*instinctools Poland
We have had a representative office in Poland (Warsaw) since 2021. Our Polish team consists of highly qualified and experienced specialists – most of them are Middle to Senior level Developers.
Right now we’re on the lookout for bright and innovative minds to join our professional team!
