
Sr. Frontend Developer for Construction Tech Start-Up
at A well-funded Construction Tech Start-Up by a renowned group
Job Description
-Develop all user-facing products in NodeJs & React.Js (SSR)
-Build reusable components and front-end libraries for future use.
-Translate designs and wireframes into high quality code
-Focus on code maintainability and performance of application.
-Provide technical advice and assists in solving programming problems.
Requirements
• 5+ years of experience in frontend development primarily using React .JS
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Good foundation in design and a knack for designing interactions and elegant interfaces)
• Thorough understanding of NodeJs & React.js(SSR) and its core principles
• Familiarity with RESTful APIs
• Familiarity with modern front-end build pipelines and tools
• Familiarity with code versioning (version control) tools, such as Git, SVN, and Mercurial
• Thorough understanding of React.js and its core principles
• Good to have experience with popular React.js workflows
• Ability to understand business requirements and translate them into technical requirement
• Preference will be given to those who have worked on libraries such as Bootstrap, Material js.
• Knowledge ofGraphQL and CSS preprocessor like SASS
• Proficient in industry standard best practices such as Design Patterns, Coding Standards,
Coding modularity, Prototypes etc.

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About CK-12 Foundation:
CK-12 is on the lookout for talented, creative, and dedicated people to join our mission to provide great education to students around the world. We are looking for candidates to join our Bangalore office.
We have a strong education platform that has served 265+ million users, answered 2.33+ billion questions, and created 290,000+ customized FlexBooks. We are on an exciting journey to build an AI-powered Student Tutor and Teacher Assistant, shaping the next generation of learning platforms.
CK-12’s mission is to provide free access to open-source content and technology tools that empower students and teachers to experiment with different learning styles, resources, and levels of competence.
To achieve this ambitious vision, we are challenging the traditional education model and transforming it through technology. CK-12 is a non-profit organization, enabling us to experiment with bold ideas and truly focus on doing what’s right. We are backed by Vinod Khosla, a renowned technology venture capitalist.
At CK-12, you’ll work in a dynamic, entrepreneurial, innovative, and non-bureaucratic environment, alongside a small group of passionate individuals determined to disrupt education as we know it.
Technology is key to scaling education, and we deeply believe in it. Join us to build impactful solutions on our cloud-based (AWS), AI-first platform, delivering rich and interactive learning experiences.
If our mission, people, and technologies excite you—and you’re someone who challenges the status quo (no order-takers!)—we’d love to hear from you.
Products:
Flexi 2.0 – AI-powered Student Tutor
AI-powered Teacher Assistant
https://www.ck12.org/pages/teacher-assistant/
Location
Bangalore (Office-based)
Basic Qualifications:
- Passion for creating simple, intuitive, and delightful web / mobile user experiences
- Strong understanding of computer science fundamentals, algorithms, and data structures
- Excellent problem-solving skills
- Ability to research and evaluate web and mobile frameworks and UI patterns
- Experience designing for multiple screen sizes, performance constraints, and varying network conditions
- Comfortable working in Agile environments with rapid iterations
- Ability to create and review high-level and detailed designs
- Strong focus on code quality, best practices, and maintainable code with solid unit test coverage
Required Skills & Experience:
- Bachelor’s or Master’s degree in Computer Science or equivalent
- 6+ years of overall experience
- Strong hands-on experience with either React.js (or a similar frontend framework) or mobile app frameworks such as Flutter or React Native.
- Strong inclination toward product ownership, with a focus on nurturing features based on how users actually use the product.
- Experience building and maintaining production-grade web or mobile applications
- Expert knowledge of object-oriented programming, design, and development
- Solid understanding of mobile application architecture, performance, and memory management
- Proficiency in Dart / JavaScript / TypeScript
- Experience consuming REST APIs and handling JSON
- Experience with responsive layouts and adaptive UI design
- Familiarity with UI patterns related to security, performance, and usability
- Experience using Git and mobile build/release pipelines
Good to Have:
- Experience with native mobile development (Android / iOS)
- Familiarity with CI/CD for mobile apps and app store deployments
- Experience working in distributed and Agile teams
- Performance optimization for scalable mobile applications
- Familiarity with LLMs (Large Language Models)
- Experience creating or maintaining mobile UI documentation or component libraries
Job Description – Java Developer
Role: Java Developer
Location: Pune / Mumbai
Experience: 5 to 10 years
Required Skills:
We are looking for an experienced Java Developer with strong expertise in Core Java, Spring, Spring Boot, and Hibernate. The candidate should have solid experience in designing, developing, and deploying enterprise-grade applications, with strong understanding of OOPs concepts, data structures, and algorithms. Hands-on experience with RESTful APIs, Microservices, and Database technologies (MySQL/Oracle/SQL Server) is essential.
The ideal candidate should be well-versed in version control systems (Git), build tools (Maven/Gradle), and CI/CD pipelines (Jenkins). Exposure to cloud platforms (AWS/Azure/GCP) and containerization (Docker/Kubernetes) will be a strong plus.
Key Responsibilities:
- Design, develop, and maintain scalable and high-performance applications.
- Write clean, reusable, and efficient code following best practices.
- Collaborate with cross-functional teams to deliver quality solutions.
- Perform code reviews, debugging, and performance tuning.
- Ensure application security, reliability, and scalability.
Good To Have Skills:
- Knowledge of front-end technologies (JavaScript, Angular/React).
- Familiarity with Agile/Scrum methodologies.
- Strong problem-solving and analytical skills.
As this is a trainer's profile, you will need to educate the incoming students with respect to the trends in the technology and prepare them for the job interviews as well.
We have not mentioned the payscale here, because the payment will on per candiate basis. Maximum we are planning to have 5-6 students in one batch. So, it's comfortable for both the trainer as well as students.
Oddr is looking for a skilled frontend engineer to help us build modern web-based Cloud applications. The ideal candidate should be able to bring new ideas to the table and design and implement frontend components with a strong emphasis on their robustness, testability, re-usability, performance, and ease of maintenance. The candidate should demonstrate leadership qualities, be a self-motivated team player, and take pride in what they deliver.
The candidate should be interested in a long-term stable career to grow with our company. The candidate will need to work late night hours because of the geographic distribution of the team.
Technical Requirements:
- Strong understanding of React.js and its core principles
- Strong understanding of JavaScript/TypeScript, CSS, HTML, and other standard frontend technologies and tools
- Experience with frontend test automation frameworks and tools
- Familiarity with RESTful APIs
- Experience with modern authorization techniques like JWT
- Experience with monitoring and improving frontend performance
- General understanding and knowledge of the UI/UX best practices
- Ability to write clean, well-structured code with proper abstraction and re-usability
- Ability to work to tight deadlines, manage priorities, and take responsibility for delivering to time and quality requirements
- Ability to understand business requirements and translate them into technical requirements
- Excellent communication skills
- Excellent problem-solving skills
Minimum qualifications required:
- Bachelor's degree or relevant certification from a reputable institute.
- 3-5 years of experience.
We are looking for a Front-End Web Developer who is motivated to combine the art of design with the art of programming.
- Responsibilities will include translation of the UI/UX design wireframes to actual code that will produce visual elements of the application.
- You will work with the UI/UX designer and bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works.
Responsibilities :
- Develop new user-facing features.
- Build reusable code and libraries for future use.
- Ensure the technical feasibility of UI/UX designs.
- Optimize application for maximum speed and scalability.
- Assure that all user input is validated before submitting it to the back-end.
- Collaborate with other team members and stakeholders.
Skills And Qualifications :
- Good understanding of Angular 6+ or React.
- Proficient with JavaScript and jQuery.
- Proficient understanding of web markup, including HTML5, and CSS3.
- Good understanding of server-side CSS pre-processing platforms, such as LESS and SASS.
- Proficient understanding of cross-browser compatibility issues and ways to work around them.
- Proficient understanding of code versioning tools, such as Git and Bitbucket.
- Good understanding of SEO principles and ensuring that application will adhere to them.
- Excellent verbal communication skills.
- Good problem-solving skills.
- Knowledge of software development methodologies like Agile, waterfall, and tools like Jira.
- Fullstack technical expertise with 9+ years of experience in Angular 2+ Versions and NodeJS having led front-end development team.
- Work experience as Architect for 3 or more years. Able to set a tech road map for the entire product/project.
- Previous experience with systems integration projects
- Experienced in the usage and development of REST APIs
- Knowledge and experience in implementing commercial web applications
- Experienced with JavaScript (ECMAScript 6), HTML5, Semantic Markup and CSS 3
- Writing testable object-oriented software using best development practices
- Designing, building, and maintaining developer-friendly HTTP-based APIs
- Agile methodologies and practices (including Scrum, Kanban, Extreme Programming)
- Test-Driven Development or Behavior Driven Development
- Writing Clean Code & decoupled modules using the power of Design Patterns
- Pair Programming
- Experience in AWS
- Experienced in designing scalable solutions, writing efficient code, optimizing performance, and debugging issues.
- Good communication skills with the ability to present complex technical information in a clear and concise manner to technical teams.
- Delivering a complete Front-end application
- Ensuring high performance on mobile and desktop
- Writing tested, idiomatic, and documented JavaScript, HTML and CSS
- Coordinating the workflow between the graphic designer, the HTML coder, and yourself
- Cooperating with the back-end developer in the process of building the web service/ application
- Communicating with external web services
Technical/Functional Skills:
- 3 to 5 yrs of experience working as an Angular Developer
- Experience in Angular 7,8,9 versions are mandated.
- Proficiency in CSS, HTML, javascript
- Experience on Multi-Language is preferable
- Knowledge on Arabic design is a plus
- Experience on Components based Architecture
- Experience on CSS Grids and Flex Layout mandatory
- Well versed with coding standards
- Be able to provide effort estimations based on the customer requirements
- Experience of implementing enterprise level Angular applications and the related Architecture
- Implementation knowledge on Agile, working experience on Continuous Integration (CI) process is required
- Experience of integration with SAP is highly desirable
- Working knowledge with databases ORACLE, SQL Server, mySQL
- Be hands-on technical and should work as either individual contributor or team member
- Must have knowledge in code version mechanism using tools like TeamCity, GitHub
- Knowledge on Agile scrum and waterfall methodology
- Optimizing performance of code and reviewing code of junior developers
- Work closely with the architecture team and provide architecture inputs
- Experience with understanding of mobile related frameworks like Cordova is a plus
- Comfortable dealing with APIs and utilizing oDATA/REST / JSON interfaces
- End-to-End experience - Discovery to Deployment of Angular applications Soft Skills Required
- Good communication and interpersonal skills
- Candidates should be independent thinkers, thought leaders, good presentation and communication skills and great at solving problems
We do have opening with our company Crownstack Technologies for React.Js Developer. Interested candidate can share their CV.
About us
Crownstack is a premium organisation that specializes in providing innovative digital technology solutions to various enterprises including startups, small and medium-sized businesses and Fortune 500 companies across the globe. Our services include, but are not limited to, UI design, mobile app and web development, Cloud computing, data analytics, and Dev Ops. We take pride in our ingenious, meticulous, and skilled workforce who aim to deliver sustainable and cutting-edge business and technology solutions to all our clients. ★ 100+ Successful Apps Delivered | ★ Enterprise and Startup Clients | ★ Scalable Products | ★ MEAN Stack | ★ Python, pHp, NodeJs | ★ Agile Development | ★ Best UI/UX Award
Job Description
Crownstack is looking for ReactJs Developers to join our team and deliver a streamlined user experience. We want a team member who strives to develop a first-class codebase using ReactJs best practices. As a React Developer, you will implement a complete user interface across our mobile and desktop web interfaces.
Requirements
Job Location: Gurgaon/Noida
Experience: 2+ years
Roles and Responsibilities
- Develop user interfaces with the latest frontend technologies
- Research, analyze, and develop product features of increasingly complex nature
- Code tested and documented JavaScript, HTML, PUG and CSS
- Make design and technical decisions for ReactJs projects.
- Develop application code and unit testing in the ReactJs with REST APIs
- Ensure high performance of all systems developed
Skills and Qualifications
- 2+ years experience with ReactJs
- Strong expertise with HTML, CSS, and writing cross-browser compatible code.
- Experienced in Typescript is a plus
- Familiarity with testing frameworks (Ex. Enzyme)
- Experience in building highly reusable and decoupled components
- Experience in State management Libraries like Redux, mobx
- Critical thinking and problem-solving skills
- Good time-management skills
- Great interpersonal and communication skills
We are looking to add someone to our team of professionals. The ideal candidate will need to have great graphics and content writing experience for SEO purpose. You will be required to build websites with a contact mangement system called wordpress. You will be required to work independently from your home. You must have internet access and a computer. Hours to work is from 2:00 pm to 10:00 M-F. You must be available during that time and you will need to be able to communicate via skype through screen sharing and must speak and understand the English language a plus.
Responsibilities
- English writing skills
- Design, develop and create physical and digital art.
- Develop and maintain web site layouts and designs Wordpress.
- Support in the design of website and web application wireframes, mock-ups and final designs.
- Work with the development team to develop client-side coding.
- Maintain the company social media platforms to include Facebook, Twitter, LinkedIn, Yelp and Google.
- Understanding the client’s needs and business requirements documents.
- Qualifications
- Proficiency in graphic design and layout software such as: Tools within the Adobe Create Cloud.
- Experience with Photoshop, Illustrator and other design and wire-framing tools
- Experience developing images and designs for websites.
- Experience with HTML, CSS and JavaScript
- Understand Content Management System (CMS) such as Drupal or WordPress.
- General knowledge of systems, techniques and processes used in web site design.
Job Type: Full-time
• Javascript, Angular 2.0, React, React Native, Angular Ionic (optional), JQuery, MYSQL,
MongoDB, Firebase.
• Comfortable with REST API development using Java or python.
• Exposure to Artificial Intelligence / Machine Learning concepts will be a plus.











