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Stanislav N., Full-stack Software Engineer (React + Node)

Last Updated: 4 Jul 2023

- 4+ years experience in software development - 3+ years working as Full-stack JS (React+Typescript/Node) developer - Intermediate+ English - Available 12/07/2021

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Artem K., JavaScript Software Developer

Last Updated: 4 Jul 2023

- 3 years of experience in Frontend and Javascript development (React, Redux, Redux Toolkit) - React Router, Node.js, HTML / CSS, Lodash, Axios, Ant design and material UI - Understanding of MVC, MVP and MVVM - Intermediate English - Available ASAP

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Aliaksei, Frontend developer

Last Updated: 19 Oct 2023

- Experienced software engineer with about 5 years of commercial front-end development experience. - Proficient in CSS, HTML, SASS/SCSS, JavaScript, TypeScript, React, and Redux. - Skilled in creating user interfaces, developing client-side and mobile applications, and implementing responsive design. - Strong problem-solving and analytical skills with a focus on cross-browser compatibility and responsive markup design. - Familiarity with Three.js for creating and displaying 3D graphics in a browser. - Knowledge of Agile methodologies and experience working in an Agile development environment. - Proficient in using Git for version control and collaborating with team members. - Experience with REST APIs, Postman, Firebase, MongoDB, Docker, Jenkins, and Webpack for building and deploying applications. - Familiarity with software development practices, SDLC, and code review processes. - Strong communication skills and ability to work in a team environment. - Bachelor's degree in Computer Science or related field (if mentioned).

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Formik   2 yr.


JavaScript   5 yr.


TypeScript   4.5 yr.


React   4.5 yr.


Redux   4.5 yr.


RESTful API   4.5 yr.

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Mikayel B., React Engineer.

Last Updated: 4 Jul 2023

- 3+ years of work experience in IT - Experience with JavaScript, learned new technologies, like React, Redux, MobX, Saga, TypeScript - Intermediate English - Available ASAP

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Formik   3 yr.


React   3 yr.

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Tanya, Senior Python Engineer

Last Updated: 9 Apr 2024

Software engineer with a comprehensive 5-year background in developing applications across Fin-tech, Management, and E-commerce domains. Deeply versed in a broad tech stack, including advanced proficiency in Python (5 years), JavaScript (3 years), and TypeScript (3 years), with solid experience in Django, React, and cloud services like AWS and Azure. Demonstrated expertise in DevOps and CI/CD methodologies is evident from hands-on Kubernetes and Terraform experience. Proven track record of optimizing application performance and infrastructure automation, leading to significant reductions in processing time, and enhancement of deployment reliability. The engineer's problem-solving acumen and ability to drive efficiency improvements are reflected in the development of feature-rich platforms and efficient system architectures.

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Formik   2 yr.


Python   5 yr.

Fintech & Banking

Fintech & Banking

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Our journey starts with a 30-minute discovery call to explore your project challenges, technical needs, and team diversity. Meet Carefully Matched Formik Talents. Within 1-3 days, we’ll share profiles and connect you with the right talents for your project. Schedule a call to meet engineers in person. Validate Your Choice. Bring a new Formik developer on board with a trial period to confirm that you’ve hired the right one. There are no termination fees or hidden costs.

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Upstaff Managers conduct an introductory round with potential candidates to assess their soft skills. Additionally, the talent’s hard skills are evaluated through testing or verification by a qualified developer during a technical interview. The Upstaff Staffing Platform stores data on past and present Formik candidates. Upstaff managers also assess talent and facilitate rapid work and scalability, offering clients valuable insights into their talent pipeline. Additionally, we have a matching system within the platform that operates in real-time, facilitating efficient pairing of candidates with suitable positions.

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Table of Contents

Cases when Formik does not work

  1. When working with complex forms: Formik is designed to handle simple forms out of the box. However, if you have a complex form with multiple nested fields or dynamic fields, Formik may not be the most suitable choice. Its simplicity can become a limitation when dealing with more intricate form structures.
  2. When needing advanced form validation: While Formik provides basic form validation capabilities, it may fall short when you require more advanced validation logic. For instance, if you need to perform asynchronous validation or validate fields based on the values of other fields, you might find Formik’s validation functionality limited.
  3. When working with large datasets: If you have a form that requires handling large datasets, Formik may not be the most performant solution. Formik keeps the entire form state in memory, and with large datasets, this can lead to performance issues and slow form rendering.
  4. When targeting legacy browsers: Formik is built on top of newer web technologies such as React hooks. If you are working on a project that needs to support older browsers that do not have support for these technologies, Formik might not be compatible.
  5. When looking for a minimalistic solution: While Formik provides a lot of features and abstractions to simplify form handling, it might not be the best fit if you are looking for a minimalistic solution. Formik adds some overhead in terms of bundle size, and if you have a small project or prefer a more lightweight form library, there are alternatives available.

Pros & cons of Formik

7 Pros of Formik

  • Easy to use: Formik provides a simple and intuitive API that makes it easy for developers to build and manage forms in React applications.
  • Form state management: Formik handles the state management of forms, including validation and error handling, reducing the amount of boilerplate code required.
  • Field-level validation: With Formik, you can easily implement field-level validation, ensuring that user input is valid before submitting the form.
  • Integration with Yup: Formik seamlessly integrates with Yup, a powerful validation library, allowing you to define validation schemas and apply them to your forms.
  • Extensible and customizable: Formik offers a wide range of hooks and components that can be customized to fit your specific needs, providing flexibility and extensibility.
  • Efficient form handling: Formik optimizes form handling by using techniques like memoization and batching, resulting in improved performance and responsiveness.
  • Active community support: Formik has a large and active community of developers who contribute to its development, provide support, and share best practices.

7 Cons of Formik

  • Learning curve: While Formik aims to simplify form management, there is still a learning curve involved in understanding its API and concepts.
  • React dependency: Formik is tightly coupled with React, so if you are not already using React in your application, you would need to introduce it.
  • Formik-specific syntax: Formik introduces its own syntax and conventions, which might be unfamiliar to developers who are used to working with other form libraries or native HTML forms.
  • Initial setup: Setting up Formik in your project requires some initial configuration, which might add some overhead, especially for small or simple forms.
  • Customization limitations: While Formik offers customization options, there may be cases where you need more granular control or specific features that are not readily available.
  • Performance impact: Although Formik optimizes form handling, there may still be some performance impact compared to simpler form solutions, especially for large or complex forms.
  • Dependency management: Formik relies on other dependencies like Yup for validation, which means you need to manage and update these dependencies along with Formik itself.

Soft skills of a Formik Developer

Soft skills of a Formik Developer: Soft skills are just as important as technical skills for a Formik Developer. Here are the essential soft skills required at different levels of expertise:


  • Strong communication skills: Ability to effectively communicate with team members and clients to understand requirements and provide updates.
  • Problem-solving skills: Capacity to identify and resolve issues efficiently, ensuring smooth workflow.
  • Adaptability: Willingness to learn and adapt to new technologies and methodologies in the rapidly evolving development landscape.
  • Collaboration: Ability to work well in a team, contribute ideas, and collaborate with other developers to achieve project goals.
  • Time management: Efficiently managing time and meeting deadlines for assigned tasks.


  • Leadership: Ability to guide and mentor junior developers, providing support and guidance when needed.
  • Project management: Proficiency in managing projects, coordinating with stakeholders, and ensuring successful delivery.
  • Critical thinking: Capacity to analyze complex problems and devise effective solutions.
  • Client relationship management: Building and maintaining positive relationships with clients, understanding their needs, and providing satisfactory solutions.
  • Quality assurance: Ensuring the quality of code through rigorous testing and adherence to best practices.
  • Conflict resolution: Skill in resolving conflicts and managing disagreements within the team.
  • Continuous learning: Keeping abreast of the latest developments in Formik and related technologies.


  • Strategic thinking: Ability to think beyond the immediate project and contribute to the long-term goals of the organization.
  • Technical mentorship: Guiding and mentoring developers at all levels, sharing knowledge and best practices.
  • Decision-making: Making informed decisions based on analysis, experience, and an understanding of business objectives.
  • Presentation skills: Articulating ideas effectively and presenting complex technical concepts to both technical and non-technical stakeholders.
  • Influence and negotiation: Ability to influence decisions and negotiate effectively with clients and team members.
  • Risk management: Identifying and mitigating risks associated with projects and proposing contingency plans when necessary.
  • Empathy: Understanding and empathizing with team members and stakeholders, fostering a positive and collaborative work environment.
  • Striving for excellence: Pursuing excellence in development practices, code quality, and project delivery.

Expert/Team Lead

  • Team leadership: Leading development teams, setting goals, and ensuring the successful completion of projects.
  • Strategic planning: Developing long-term strategies and roadmaps for the team and organization.
  • Business acumen: Understanding the business goals and aligning development efforts accordingly.
  • Technical expertise: Demonstrating deep knowledge and expertise in Formik and related technologies.
  • Innovation: Encouraging and driving innovation within the team, exploring new technologies and approaches.
  • Collaboration with stakeholders: Collaborating with clients, product owners, and other stakeholders to define project requirements and goals.
  • Conflict resolution: Resolving conflicts and mediating disagreements within the team or with external parties.
  • Continuous improvement: Regularly evaluating and improving development processes, tools, and methodologies.
  • Strategic partnerships: Building and maintaining strategic partnerships with vendors, industry experts, and other organizations.
  • Strong decision-making: Making critical decisions that impact the success of projects and the organization.
  • Vision and thought leadership: Providing a clear vision for the team and industry, driving innovation and thought leadership.

TOP 10 Formik Related Technologies

  • JavaScript

    JavaScript is the backbone of modern web development and a fundamental skill for Formik software development. It is a versatile and widely-used programming language that enables dynamic and interactive web applications.

  • React

    React is a powerful JavaScript library for building user interfaces. It provides a component-based architecture, making it easier to manage and reuse code. React works seamlessly with Formik to create responsive and efficient forms.

  • HTML

    HTML is the standard markup language for creating the structure of web pages. It is essential for Formik software development as it provides the foundation for building forms that collect and display data.

  • CSS

    CSS is the language used to style and visually enhance web pages. It plays a crucial role in Formik software development by allowing developers to create visually appealing and user-friendly forms.

  • TypeScript

    TypeScript is a superset of JavaScript that adds static typing to the language. It enhances code readability, maintainability, and scalability, making it a valuable tool for Formik software development.

  • Formik

    Formik is a popular open-source form library for React that simplifies form management and validation. It provides a convenient and efficient way to handle form state, form submission, and input validation in React applications.

  • Yup

    Yup is a JavaScript schema validation library commonly used with Formik. It allows developers to define and enforce validation rules for form inputs, ensuring data integrity and improving user experience.

How and where is Formik used?

TOP 5 Interesting Utilization Cases of Formik Development

Case NameCase Description
1. Streamlined Form ManagementFormik simplifies the process of managing and validating forms in web applications. It provides an intuitive API and powerful features for handling form state, form validation, and form submission. With Formik, developers can easily handle complex form logic, including handling form fields, managing form values, and implementing form validation rules. This case showcases how Formik can significantly reduce the development time and effort required for implementing sophisticated forms in web applications.
2. Enhanced User ExperienceFormik enables developers to create seamless and interactive form experiences for users. It offers features like real-time form validation, field-level error messages, and dynamic form behavior based on user input. By leveraging these capabilities, developers can improve the user experience by providing instant feedback to users, guiding them through the form completion process, and ensuring data integrity. This case demonstrates how Formik can help create user-friendly and error-free form interactions, leading to higher user satisfaction.
3. Integration with External LibrariesFormik seamlessly integrates with popular JavaScript libraries and frameworks, such as React and Yup. It leverages React’s component-based architecture to build reusable form components, making it easy to integrate Formik into existing React applications. Additionally, Formik works seamlessly with Yup, a powerful schema validation library, enabling developers to define and enforce complex validation rules for form inputs. This case highlights how Formik can be integrated into an existing tech stack, enhancing the capabilities of the overall application.
4. Cross-Platform Form DevelopmentFormik supports cross-platform form development, allowing developers to build forms that work seamlessly across different devices and screen sizes. By leveraging Formik’s responsive design features and flexible layout options, developers can create forms that adapt to various screen resolutions and device orientations. This case illustrates how Formik empowers developers to create consistent and user-friendly form experiences across desktop, mobile, and tablet devices.
5. Advanced Form Validation and Error HandlingFormik provides advanced form validation and error handling capabilities, allowing developers to implement complex validation rules and handle form submission errors effectively. It offers features like synchronous and asynchronous validation, custom validation functions, and error message customization. This case demonstrates how Formik enables developers to validate form inputs against custom business rules, display detailed error messages, and handle form submission errors gracefully.

Hard skills of a Formik Developer

As a Formik Developer, having the right hard skills is crucial for success in your career. Here are the hard skills required for different levels of experience:


  • React.js: Proficient in building user interfaces using React.js library.
  • Formik: Familiarity with Formik library for managing forms in React.
  • HTML/CSS: Strong understanding of HTML and CSS for designing and styling web forms.
  • JavaScript: Solid knowledge of JavaScript programming language.
  • Validation: Ability to implement form validation using Formik’s validation schema.


  • Formik API: In-depth understanding of Formik’s API and its usage in complex forms.
  • State Management: Proficiency in managing form state using Formik and other state management libraries like Redux.
  • Error Handling: Ability to handle form submission errors and provide appropriate feedback to users.
  • Testing: Experience in writing unit tests for Formik forms using testing frameworks like Jest.
  • Performance Optimization: Knowledge of techniques to optimize the performance of Formik forms.
  • Git: Proficient in using Git for version control and collaboration.
  • Debugging: Strong debugging skills to identify and fix issues in Formik forms.


  • Advanced Formik Features: Expertise in using advanced features of Formik, such as custom inputs, dynamic forms, and form validation.
  • Form Libraries: Familiarity with other form libraries like React Hook Form and Yup for comparison and selection of the best tool for the job.
  • UI/UX Design: Understanding of UI/UX design principles to create intuitive and user-friendly forms.
  • Code Review: Ability to review code and provide constructive feedback to junior developers.
  • Performance Monitoring: Experience in monitoring and optimizing the performance of Formik forms in production environments.
  • Documentation: Proficient in writing clear and comprehensive documentation for Formik forms.
  • Agile Methodologies: Experience working in Agile development environments and using tools like Jira.
  • Problem Solving: Strong problem-solving skills to tackle complex form-related challenges.

Expert/Team Lead

  • Formik Architecture: Deep understanding of Formik’s architecture and ability to architect complex forms using Formik.
  • Mentoring: Experience in mentoring and guiding junior and mid-level developers in Formik development.
  • Performance Tuning: Expertise in fine-tuning the performance of Formik forms through code optimizations and architectural improvements.
  • Technical Leadership: Demonstrated leadership skills in driving technical decisions and leading a team of Formik developers.
  • Cross-Platform Development: Knowledge of cross-platform development using tools like React Native for building mobile forms.
  • Continuous Integration/Deployment: Experience in setting up CI/CD pipelines for Formik forms.
  • Code Quality: Strong focus on maintaining high code quality standards through code reviews, linting, and automated testing.
  • Client Communication: Excellent communication skills to effectively communicate with clients and stakeholders.
  • Project Management: Experience in managing Formik development projects, including scope, timelines, and resources.
  • Emerging Technologies: Awareness of emerging technologies and trends in the Formik ecosystem.
  • Community Engagement: Active participation in the Formik community and contribution to open-source projects.

What are top Formik instruments and tools?

  • Formik: Formik is a popular and widely-used library for building forms in React. It provides a simple and intuitive way to manage form state, validation, and submission. Formik was initially released in 2016 and has since gained significant traction in the React community. It has been downloaded millions of times and is actively maintained by its creator and contributors. Formik offers a rich set of features, including support for complex form validation, error handling, and integration with third-party libraries.
  • Yup: Yup is a powerful schema validation library that is often used in conjunction with Formik. It allows you to define validation rules for your form fields in a declarative and easy-to-understand manner. Yup has been around since 2015 and has become a go-to choice for form validation in JavaScript applications. It offers a wide range of validation methods, including string, number, date, and object validation. Yup is highly customizable and integrates seamlessly with Formik, making it a preferred choice for handling form validation.
  • React-Bootstrap: React-Bootstrap is a UI component library that provides pre-styled components for building responsive and mobile-friendly user interfaces. It is based on the popular Bootstrap framework and offers a wide range of reusable components such as buttons, forms, modals, and more. React-Bootstrap integrates well with Formik and provides a set of Formik-specific components that can be used to build forms easily. It saves development time by providing ready-made components with built-in styles and functionality.
  • Ant Design: Ant Design is another popular UI component library that offers a set of well-designed and customizable components for React applications. It follows the principles of the Ant Design system and provides a consistent and modern look and feel. Ant Design has gained widespread adoption in the React community and is commonly used alongside Formik for building forms. It offers a range of form-related components, including input fields, checkboxes, radio buttons, and more, which can be easily integrated with Formik.
  • React Final Form: React Final Form is an alternative form library that shares some similarities with Formik but offers a different approach to form management. It focuses on a more low-level and flexible API, allowing developers to have fine-grained control over form state and behavior. React Final Form has gained a dedicated following and is known for its performance and extensibility. While it may require more boilerplate code compared to Formik, it provides advanced features like field-level validation, asynchronous form submission, and support for complex form structures.
  • Material-UI: Material-UI is a popular UI component library that implements the Material Design guidelines. It provides a rich set of components and styling options for building visually appealing and responsive user interfaces. Material-UI is widely used in React applications and can be easily integrated with Formik. It offers a range of form-related components like text fields, checkboxes, selects, and more, which can be used in combination with Formik’s form management capabilities.
  • React Hook Form: React Hook Form is a lightweight and performant form library that leverages React’s hooks feature. It focuses on simplicity and ease of use while providing advanced form management capabilities. React Hook Form has gained popularity in the React community due to its small bundle size and developer-friendly API. It offers features like form validation, error handling, and form submission handling, making it a viable alternative to Formik for building forms in React applications.

TOP 10 Tech facts and history of creation and versions about Formik Development

  • Formik is a popular form library for React that simplifies form management and validation.
  • It was created in 2016 by Jared Palmer, a software engineer at Palantir Technologies.
  • Formik follows the principles of the “render props” pattern, allowing developers to easily reuse and compose form components.
  • One of the groundbreaking features of Formik is its support for synchronous and asynchronous form validation.
  • Formik provides a simple and intuitive API for handling form submission and managing form state.
  • In 2018, Formik introduced the “FastField” component, which optimizes form rendering by only re-rendering fields that have changed.
  • Formik has a vibrant and active community, with over 25k stars on GitHub and numerous contributors.
  • Formik supports a wide range of form input types, including text, number, checkbox, radio buttons, and more.
  • Formik has gone through several major releases, with each version bringing new features and improvements to the library.
  • Formik 2.0, released in 2020, introduced a revamped architecture and improved performance.

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