UI-UX Developer

What You’ll Do:

• Build and ship responsive, high-performance web applications using React.
• Translate UI/UX designs into clean, maintainable code.
• Integrate frontend with backend services via REST/GraphQL APIs.
• Optimize applications for speed, scalability, and cross-browser compatibility.
• Write reusable, modular components and maintain design consistency.
• Collaborate with product managers, designers, and engineers to deliver features end-to-end.
• Identify performance bottlenecks and improve frontend architecture.
• Participate in code reviews and contribute to best practices.

What We’re Looking For:

• 4–6 years of experience in frontend development.
• Strong hands-on experience with React.js.
• Solid understanding of JavaScript (ES6+), HTML5, and CSS3.
• Familiarity with state management (Redux / Zustand / Context API).
• Experience working with REST APIs and asynchronous programming.
• Understanding of responsive design and cross-browser compatibility.
• Experience with build tools (Webpack, Vite, etc.).
• Familiarity with Git-based workflows.
• Good problem-solving and communication skills.

Good to Have:

• Experience with testing frameworks (Jest, React Testing Library).
• Exposure to performance optimization techniques.
• Basic understanding of backend technologies (Node.js / Python).

What You’ll Work On:

• Building intuitive and scalable user interfaces for our core product.
• Improving performance and user experience across the platform.
• Contributing to frontend architecture and design systems.
• Solving real-world problems at scale.

Why Join Us

• Work on impactful products used by real customers.
• Opportunity to own features end-to-end.
• Collaborative and fast-paced environment.

We are seeking a highly motivated Software Development Engineer with expertise in building scalable, extensible and user-friendly web applications. You will work with a fast paced Product Engineering team to build efficient and reusable web applications for mobile and fixed devices. 

What you’ll do:

• Architect, Design, Code reviews and build scalable applications.
• You will be engaged in identifying and addressing performance bottlenecks, and collaborate with other team members to innovate current/new products. 
• Identify, communicate and implement best practices for application engineering. 
• Ensure high scalability and performance

• You will advocate for good, clean, well-documented and performing code; define and follow standards and best practices for front-end development.

We’d love for you to have:

• Experience: 1-3 yrs recent experience of working in a scalable web product firm
• Education: B.Tech/M.Tech  in Computer Science from Top ranked colleges in India
• Excellent software development skills in developing web applications over client-side frameworks - Backbone, React (preferred) and/or angular frameworks (preferred); and server-side frameworks like node.js
• Excellent programming skills in object-oriented, modularised JavaScript, Typescript (preferred)
• Strong knowledge and working experience in server-side Event-driven programming using Node.js
• Excellent programming skills in Javascript,  jQuery, AJAX, YUI.
• Passion for writing optimized code using JS best practices  and design patterns
• Experience with JS or Java-based Unit/Integration Testing using Selenium, Appium, Selendroid
• Hands-on experience in building scalable web applications
• Excellent problem solving and debugging skills
• Good Knowledge of version control - GIT (preferred)
• Experience with the full software development lifecycle, design, develop, debug, document, and deliver (especially in a multiple site organization)
• Strong verbal and written communication skills
• Ability to deliver great results in an agile development
• Good to have: Working knowledge of web standards (i.e., REST) and OOPS
• Good to have: Experience in Data Structures, Algorithms and their optimization

Even if you don’t meet all of these qualifications above, we’d still love to hear from you. Tell us about your unique qualifications in your cover letter.

CaaStle is committed to equality of opportunity in employment. It has been and will continue to be the policy of CaaStle to provide full and equal employment opportunities to all employees and candidates for employment without regard to race, color, religion, national or ethnic origin, veteran status, age, sexual orientation, gender identity, or physical or mental disability. This policy applies to all terms, conditions and privileges of employment, such as those pertaining to training, transfer, promotion, compensation and recreational programs.

Mandatory Skills 

1. Very strong hands on experience of web technologies: - HTML JavaScript,  HTML5/CSS3,
2.      3 + years of UI Development Experience
3. Has implemented coding patterns and built UIframework
4. Cross browsers support/experience and knowledge of DOM manipulation on different browsers
5. Performance enhancements on web page load and execution
6. Experience with tools like   Firebug.
7. Basics knowledge on Ajax, jsp etc.
8. Experience in Adobe Photoshop & Adobe Dreamweaver to mock up UIelements.
9. Knowledge in any prototyping tools.
10. Use responsive web design to create applications that automatically conform to multiple screen sizes/devices.
11. Conduct usability testing to identify and fix UIissues
12. Familiar with popular UIlibraries like Sencha, AngularJS, ExtJS & JQuery
13. Collaborate with business analyst to discuss user interface requirements and brainstorm UIideas.

Job roles and Responsibilities: 

• Ability to develop UIframework on JavaScript and CSS which confines to requirement of Solutions.
• Ability to work on cross browser compatibility
• Develop reusable components.
• Work closely with other developers in the team

We are a fast-paced startup and looking for a developer fluent in problem-solving,Javascript and ReactJS to help us deliver an amazing advertisement solution.

Roles and responsibilities:

1. Develop new features in React/NextJS
2. Write unit test cases
3. Fix bugs and write technical documentation
4. Write CI/CD pipelines for the UI

Hi,

We are hiring for Junior Vue.js Developer.

Job Description:

As a Junior Vue.js Developer at SuperMoney, you will work closely with our development team to build web applications using Vue.js. You will have the opportunity to learn and grow in a collaborative environment. This position is ideal for recent graduates or individuals with less than 6 months of experience in web development.

Role & Responsibilities:

Collaborate with senior developers to develop web applications using Vue.js.

Assist in coding, testing, and debugging web applications.

Participate in code reviews and offer feedback for improvement.

Learn and apply best practices for front-end web development.

Work with cross-functional teams to design and implement user-friendly web interfaces.

Requirements:

Bachelor's degree in Computer Science, IT, or related field (or equivalent experience).

Strong passion for web development and a desire to learn Vue.js.

Basic knowledge of HTML, CSS, and JavaScript.

Familiarity with version control systems (e.g., Git).

Good problem-solving skills and attention to detail.

Excellent communication and teamwork skills.

Nice-to-Have:

Basic understanding of responsive design and CSS frameworks.

Familiarity with Vue.js or other JavaScript frameworks.

Key Responsibility:

You'll be responsible for developing new features and enhancing existing features for our flagship wind farm design application, a unique tool dedicated to optimizing and analysing wind farms.

Description of Role:

Our vision as a company is to be world-leading at finding and designing new wind farm sites. We are building a set of tools, approaches, and engineering processes that combine to form a capability to undertake the technical management of wind farm development at a significantly improved level of sophistication over existing standard industry approaches.

To achieve its aim, Wind Pioneers constantly strives to build new tools that are one-of-a-kind and game changers in the industry. As a frontend developer, you will play a key role in building new features for our flagship application, contributing to our mission of driving innovation in the industry.

Detailed Responsibilities

• Participate in Application Development, focusing on frontend (React), to deliver high-quality web applications with exceptional User Experience. This includes creating admin tools and dashboards for seamless internal management.
• Collaborate in our Kanban-based development process to develop new components and user interaction workflows for our flagship application.
• Work closely with UX/UI designers to implement new components/views for major features, with support from the lead engineer and other developers.
• Maintain and update the frontend stack and dependencies.
• ou would be able to see how we build and streamline our CI/CD pipeline.
• Work closely and learn from our Product Architect and Senior Engineer

Candidate Requirements:

We're seeking someone with a strong background in frontend development, a good understanding of the stack, and a genuine passion for creating beautiful and functional user experiences through elegant and efficient code.

You are a person with:

• 3-5 years of experience building front-end web applications; please also tell us about related degrees or training.
• You should be able to demonstrate fluency in React.
• You should have contributed to open source, proving your proficiency with Git and Git Flow. These contributions can include your personal projects, app ideas, or tools, with links provided in your application.
• Any UI/UX design experience will also greatly benefit the role.
• Great deal of attention to detail
• Can-do, flexible and pro-active attitude to work
• Particular about getting things right - both at the code/data level and further up, encompassing design, layout and user experience. 

Please showcase your experience through the projects you've worked on and the problems you've solved. We are particularly interested in hearing about the subtle decisions you made that significantly impacted turning a good UI into a great one.

Stack

We've curated our frontend stack to empower us in creating one of the most elegant and functional UIs in the wind industry, enabling engineers to design wind farms with just a click. While you don't need to be an expert in all of the below technologies, having a good grasp of at least a few would be beneficial:

• React and modern ecosystem libraries like react-query and react-hook-form – this is a must!
• Material-UI for a theme and component design
• Storybook and chromatic visual testing tools
• Lerna and Yarn for library and application dependency management
• Figma and/or Sketch for wireframing and prototyping

Wind Pioneers’ Offering:

• Be part of a focused team with a clear vision, dedicated to making an outsized impact in how wind farm projects are found and evaluated.
• We build people up to be the best in the world.
• Have the opportunity to be involved in developing Wind Pioneers’ tools.
• Enjoy a friendly and relaxed office environment with a great team culture.
• Benefit from flexible working conditions.
• Over the years grow towards becoming a principal developer - capable of architecting feature-rich, high-quality webapps, UIs and libraries.
• Receive a market-based salary along with the addition of a six-monthly bonus from Wind Pioneers’ revenue share scheme