

Experience: 3.5 - 5 years
Description :
- Very good experience in design and development on UI front end Technologies.
- Minimum 3+ Years of web application development using HTML 5, CSS3, Bootstrap, JavaScript.
- Experience in development of Angular 2/4/6.
- Expertise in Responsive web design, HTML5, and CSS pre-processors SASS and LESS
- Good in UML, OOPS, design principles and patterns, architectural trends and data modeling.
- Strong in JavaScript (object oriented concepts) & JavaScript optimization
- Experience on JavaScript frameworks such as AngularJS, ReactJS, NodeJS etc.
- Ability to convert Wireframes in to UI design
- Good designing capabilities using Bootstrap framework, SEO and using strategies for cross-platform design initiatives with a 360-degree digital design
- Strong experience with debugging skills and fixing Cross Browser Compatibility issues and Optimization for web by using best practices
- Good Communication
- Good knowledge of quality standards and best practice

About Semperfi Solution
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We are seeking an experienced UI Developer with a strong background in Next.js to join our dynamic development team. The ideal candidate will have a deep understanding of front-end technologies, particularly React and Next.js, and will be responsible for creating high-performance, user-centric web applications. If you're passionate about building intuitive, scalable, and responsive UI components, we'd love to meet you!
Key Responsibilities:
Design and develop responsive and visually appealing user interfaces using Next.js, React, HTML5, CSS3, and JavaScript.
Collaborate closely with designers, product managers, and back-end developers to implement and refine user experiences.
Build reusable components and front-end libraries for future use.
Optimize web applications for maximum speed and scalability.
Write clean, maintainable, and efficient code while adhering to best practices.
Stay up to date with the latest trends, tools, and techniques in web development.
Troubleshoot and debug application issues.
Ensure cross-browser and cross-device compatibility.
Participate in code reviews and mentor junior developers.
Skills & Qualifications:
Experience: 5–8 years of hands-on experience in front-end development with a focus on Next.js.
Proficiency in Front-End Technologies:
Strong knowledge of Next.js, React.js, and other JavaScript libraries and frameworks.
Expertise in HTML5, CSS3, and JavaScript (ES6+).
Familiarity with TypeScript is a plus.
Experience in building responsive, cross-browser compatible websites.
Familiarity with RESTful APIs and integration with back-end systems.
Knowledge of modern web development practices like Webpack, Babel, CSS preprocessors (Sass/SCSS), etc.
Understanding of web performance optimization techniques.
Experience with version control systems such as Git.
Familiarity with agile development methodologies.


Type, Location
Mumbai, Maharashtra, India
Desired Experience
4+ years
Roles and Responsibilities :
Skills required :
- Strong knowledge of javascript programming, ReactJS, HTML5, CSS3, SASS, ES6 Strong knowledge of modern responsive design techniques
- Strong knowledge of stateless microservices (node/java/etc..), HTTPS/REST, JSON, Webpack/Grunt/Gulp
- Very good understanding and implementation experience of web application UI using OpenID Connect login/authentication
- Version Control – Git, CI/CD of UI projects(e.g. CircleCI, Travis CI, Jenkins), configuration and deployment of static UI assets
Must have skills :
- Must have at least 4 years of industry experience in white labeled Front End web application design & development
- Experience in Test Driven Development, Front End testing and performance optimization (e.g. Jest, unit testing, end-to-end testing)
Bootstrap Developer
Note: Notice period is immediate to 15 days’ maximum candidates can apply.
Kindly read carefully
Role: Bootstrap Developer
Work Location: LUCKNOW
Experience: Minimum 1 + years into the same key skills
Budget: open
Mode: Permanent
Bootstrap Developers are responsible for Bootstrap front-end framework with a powerful collection of HTML, CSS, and JavaScript tools.
Bootstrap Developer job description
We are looking for an experienced and creative Bootstrap Developer to join our team! As a Bootstrap Developer
you will be responsible for translation of the UI/UX designs to actual code with which we will produce visual elements of the application based on user behaviors and interactions.
Bootstrap Developer duties and responsibilities
- Develop code for the targeted environment
- Participate in architectural discussions
- Design and develop software applications using HTML4/5(Bootstrap); JavaScript; XML; CSS2/3; JQuery; Android/iOS on Mobile Platforms.
- Design and implement front-end business applications
- Investigate user behavior and interface usage
- Work with software development team
- Support and maintain existing production code
Bootstrap Developer requirements and qualifications
- 1-2 years of experience as a Bootstrap Developer or similar role
- 1-2 year of experience in designing,
- 1-2 year of experience with MySql, including advanced database design, query generation, performance tuning and profiling in high volume environment
- Understanding of the full software development lifecycle (SDLC)
- Critical thinker and problem-solving skills
- Team player
- Good time-management skills
- Great interpersonal and communication skills

1) Ruby on Rails:
Experience Required: 2.5 -5 years
Max. Budget: 18 LPA
Job Description-
- Designing and developing new web applications.
- Maintaining and troubleshooting existing web applications.
- Writing and maintaining reliable Ruby code.
- Integrating data storage solutions.
- Creating back-end components.
- Identifying and fixing bottlenecks and bugs.
- Integrating user-facing elements designed by the front-end team.
- Connecting applications with additional web servers.
- Maintaining APIs.
- Good Communication skills
Preferred work from the office but can provide remote work as well.
Note: Please avoid NCR and south Indian candidates.

2. Work on building, maintaining, and testing the front-end of the web application
3. Work on taking architectural and design decisions
4. Work on reviewing and approving pull requests
5. Proactively identify and fix any software bugs/improvements
6. Take the initiative to improve the system's software architecture, UI, UX, scalability, and performance
7. Participate in the customer meetings for solution design and technical discussions
8. Help in customer support activities by resolving any technical queries/issues reported by the customer

As an Architect within a web development team, you’ll be responsible for the architecture, design, and implementation of modern JavaScript-based in-browser.
On the daily basis, you’ll actively collaborate with geographically dispersed, cross-functional teams to deliver high performant complex end-to-end software solutions that support a high-traffic web application.
More precisely you will:
- Communicate with UI/UX, business, analyze and suggest efficient solutions based on their requirements
- Define and maintain architecture roadmap, technical solutions for new and existing functionality for each part of the projects
- Take ownership over architecture qualities of front-end applications (e.g.: usability, accessibility, performance, etc.)
- Good active listener, being able to hear and include propositions from engineers in the final solution
- Deliver architectural services, including guidance and conceptual design as well as technical and process innovations
- Bring a passion to remain up to date with the latest trend of ever-changing web front-end development.
- Investigate the latest technology and build quick Proof of Concept functionalities to address future business needs
- Preparing, improving, and introducing new approaches/methodologies/tools and techniques within the department
- Work to meet delivery commitments of feature content throughout the whole Software Delivery Lifecycle (SDLC).
- Preparing of technical documentation


Note- 1) Only immediate joiners need to apply who can join in max 15 days.
2) WFH avaialble
job profile:
- 4 to 6 years of experience in UI Development
- Proficient understanding of JavaScript libraries and frameworks, specifically ReactJS
- Proficient understanding of Flux Architecture (Redux)
- Proficient understanding of React-Bootstrap
- Proficient understanding of Angular JS
- Proficient understanding of web markup, including HTML5, CSS3
- Experience in working on integration with Magento 2 as backend.
- Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
- Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
- Good understanding of asynchronous request handling, partial page updates, and AJAX
- Proficient understanding of cross-browser compatibility issues and ways to work around them.
- Proficient understanding of code versioning tools, such as (Git / SVN)
- Proficient understanding of JavaScript test frameworks like Mocha, Jasmine
- Proficient understanding of module bundler (webpack)
- Proficient understanding of JavaScript compiler (babel js)
- Good understanding of nodejs
- Proficient understanding of deployment process of client side application

Requirements:
Bachelor’s or Master’s Degree in Computer Science, Engineering or related field of study.
3+ years of experience in developing web applications using Javascript, HTML, CSS.
2+ years of experience using ReactJS
Skill Set:
- Expert in Reactjs
- Proficient understanding of web markup, including HTML5, CSS3, client-side scripting and JavaScript frameworks, including jQuery.
- Good understanding of server-side CSS, pre-processing platforms, such as LESS and SASS
- Good understanding of asynchronous request handling, partial page updates, and AJAX
- Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image.
- Familiarity with tools such as Gimp or Photoshop is a plus.
- Good understanding of cross-browser compatibility issues and ways to work around them

