

We are seeking a passionate and skilled React Engineer with over 1 year of experience to join our team. The ideal candidate will have hands-on experience building dynamic and responsive web applications using React.js. This role requires a strong understanding of front-end development principles and the ability to deliver high-quality, scalable solutions in a collaborative environment.
Key Responsibilities:
- Develop, maintain, and optimize web applications using React.js.
- Create reusable and modular components to ensure consistency and efficiency in development.
- Collaborate with designers and backend developers to implement user-friendly features.
- Debug and troubleshoot application issues to enhance performance and user experience.
- Integrate APIs and manage state effectively using tools like Redux, Context API, or React Query.
- Ensure responsive design and cross-browser compatibility for seamless user experiences.
- Write clean, well-documented, and maintainable code.
- Stay up-to-date with the latest React and front-end development trends.
Core Proficiency:
- Strong understanding of JavaScript (ES6+).
- Proficiency in React.js and its core principles, including JSX, hooks, and lifecycle methods.
- Experience with state management libraries like Redux, Context API, or React Query.
- Proficiency in styling in the component.
- Familiarity with Tailwind CSS for efficient UI development and responsive design.
- Experience with CSS-in-JS libraries like Styled-Components or Emotion is a plus.
- Familiarity with Next.js for server-side rendering (SSR), static site generation (SSG), and routing capabilities.
- Hands-on experience integrating RESTful APIs or GraphQL into React applications.
- Proficient in Git for version control and collaborative development.
- Basic understanding of testing frameworks like Jest, React Testing Library, or Cypress.
- Understanding of code splitting, lazy loading, and performance optimization techniques.

About Codewinglet Private Limited
About
We are a trusted name in the field of technology outsourcing services. we respond to changing market demands through disruptive innovation and high-end technical advancements.
We are on a mission to solve intricate software engineering challenges. Established in 2018, we have successfully assisted a diverse range of organizations, including startups that have gone public, Enterprise companies, and forward-thinking enterprises worldwide.
Codewinglet is your premier destination for cutting-edge software solutions. Specializing in strategic planning, designing, and developing world-class software across diverse industries, we're the trusted choice of leading engineers and companies globally. Our innovative approach leverages state-of-the-art technologies to engineer solutions that drive tangible business outcomes. Let's collaborate and unlock the full potential of your business with Codewinglet's expertise
- 40+ in-house IT experts trained in emerging technology
- 150+ Satisfied Clients across the globe
- 7+ years in the IT business
Tech stack
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Responsibilities
- Work in a fun and fast-paced environment.
- Participate in requirements gathering, design, development, QA, support.
- Communicate with different stakeholders such as QA, Project Managers and Product Owners
- Discover, evaluate, and implement new technologies to maximize development efficiency.
- Groom, mentor and upskill team members with modern technologies and development practices
Key Competencies:
- 5-8 Years of relevant experience in front-end development.
- At least 5-4 years of working experience with the React ecosystem.
- In-depth knowledge of TypeScript, CSS, and HTML.
- Strong proficiency in Vanilla JavaScript, DOM, Browser API’s and ES6 Features.
- Strong Knowledge of State Management with React and relevant workflows.
- Good Understanding of Modern frontend workflows with NPM, Webpack, Babel etc.
- Knowledge of modern programming paradigms like functional and reactive programming.
- Knowledge of testing frameworks including Chai, Mocha and Sinon or equivalent.
- Experience with using browser-based dev tools for trouble shooting and enhancing the performance.
Good to have skills:
- Knowledge of cloud-based services like AWS and GCP.
- Working knowledge of Video streaming and playback
- Knowledge of modern programming paradigms like functional and reactive programming.

Job Description
- Experience in UI development using React JS
- In depth knowledge of JavaScript, CSS, HTML and front-end languages
- Excellent front-end coding skills, and a good understanding of progressive applications
- Strong knowledge of UI design principles, patterns, and best practices
- Experience working with JavaScript and Typescript, React, Redux, RxJS, Yarn
- Experience in test driven development using modern source control and continuous integration
- Design, develop, test, deploy and maintain software
- Delivering high quality and well-structured code

● 2 - 4 years’ experience in developing Web & mobile applications using JavaScript (JS)
Frameworks such as ReactJS.
● Understanding of Cordova / PhoneGap is preferable
● Knowledge of Ajax and integration with Web Services (REST) using JSON and XML.
● Knowledge of HTML5, CSS3.
● Preferring experience with AngularJs and later versions
● Good understanding of OOD & data structures.
● Great focus on concepts.
● Attitude to go into the internals of the technology and then apply them.
What you will be doing:
● Develop Web applications using ReactJS Frameworks
● Contribute in Architecture and Design of applications
● Identify new design patterns and frameworks and apply them.
● Write high quality and optimized code



Job Title: Technical Specialist - Mobile/Web Application (React, React Native)
Location: Bangalore, India
Company: Mobile Programming LLC
Notice period: Immediate joiners required only.
Experience : 8+ years
Job Description:
We are seeking highly skilled Technical Specialists in Mobile/Web Application Development who can join our team in Bangalore, India. As a Technical Specialist, you will be responsible for developing and maintaining high-quality mobile and web applications using React and React Native.
Responsibilities:
- Collaborate with cross-functional teams to develop and enhance applications.
- Participate in the complete software development life cycle.
- Develop efficient code using React and React Native frameworks.
- Troubleshoot and debug applications.
- Ensure application performance, quality, and responsiveness.
- Conduct code reviews and stay updated with industry trends.
- Identify process improvement areas and mentor junior developers.
Qualifications:
- Bachelor's/Master's degree in Computer Science or related field.
- 8+ years of experience in mobile and web application development.
- Proficiency in React, React Native, JavaScript, TypeScript, HTML, CSS.
- Strong problem-solving and communication skills.
- Ability to manage multiple priorities and deadlines.
Preferred Qualifications:
- Experience with Angular, Vue.js, Node.js, or Java.
- Knowledge of mobile app deployment for iOS and Android.
- Familiarity with testing frameworks and CI/CD pipelines.
If you are passionate about mobile and web application development using React and React Native and can join immediately, please apply with your updated resume and cover letter highlighting your relevant experience. Join Mobile Programming LLC and contribute to exceptional digital experiences for our clients

Engineering @ Relevel
- We use cutting edge technologies to build our products which means you get to be updated on the latest tech stack.
- You don’t need to have experience in any of our specific technologies;we are good at teaching our Engineers. Our diverse group of Engineers are a great team to work with and to learn.
- We deploy changes to production multiple times a day.
- Blameless culture and a continuous learning mindset
What engineers do @ Relevel
- Making a global platform with the scale of millions of users.
- Working directly with designers and PMs to make a world class test taking experience.
- Building a platform for companies and writing an ML based algorithm to match candidates and companies.
- Building an Ed-Tech product for the upskilling of candidates.
What you need to bring
- Strong understanding of JS fundamentals and going deep into it coupled with experience in modern frameworks like ReactJs, Vuejs etc.
- The ideal person has worked with product teams in startups and taken features (or entire product modules) to production deployment which was then consumed by real users.
- Proficiency in building a highly scalable frontend.
- Ownership mindset- Taking end to end ownership of frontend initiatives and being part of the core team in driving the overall growth of the organisation in achieving its vision.

About Company: Spica Systems (https://spicasys.com )
Spica Systems is a Silicon Valley based start-up, established in 2019 and are recognized as experts in building products and providing R& DandSoftware Development services in wide range of leading-edge technologies such as LTE, 5G, Cloud Services (Public -AWS, AZURE, GCP, Private -Openstack) and Kubernetes. Ithasa highly scalable and secured 5G Packet Core Network, orchestrated by ML powered Kubernetes platform, which can be deployed in various multi cloud modealong with a test tool. Headquartered in San Jose, California, we have our R& D centre in Sector V, Salt Lake Kolkata.
- Looking for a Software developer who will work on the product's Web UI side
- Hands on and working experience with React JS
- Experience in WebUI using Javascript technology.
- Experience: 2-4 years of React development in a team environment
- In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
- Knowledge of REACT tools including React.js, Webpack, Redux.
- Experience with user interface design. Knowledge of performance testing frameworks including Mocha and Jest.
- Experience with browser-based debugging and performance testing software.
Education: Bachelors/Masters in Computer Science, IT or Mathematics or Engineering
Traits: Quick learner, open minded, willing to learn

Why join SigNoz?
SigNoz helps developers monitor applications and troubleshoot problems in their deployed applications. SigNoz uses distributed tracing to gain visibility into your software stack.
- SigNoz is backed by YCombinator
- We have taken up a big challenge to replace $B companies via the power of opensource and community. You will get a feel of what climbing an Everest feels like.
- Work with the founding team from IITD and IIMA
- Developers from all over the world are trying out SigNoz. Be a part of building a deep tech global OSS product from India
Why is the role fantastic?
- You will be a founding engineer (one of the early team members who get a stake in our company)
- Get a chance to work on some data intensive frontend projects
- Get a chance to work on real time graphs
- You will get an opportunity to build your profile as an evangelist and communicate will fellow developers in the community.
- Your code will be open sourced, hence code quality will be crucial. You will manage the repo and review PRs
- You get to learn other aspects of development and product, from deployment to discussing features.
Must have skills
- Past experience of working in a global user-facing product
- A strong grasp of libraries and frameworks such as React.js and Typescript will be integral to your success. You may need to tweak other OSS libraries
- Strong working knowledge of HTML, CSS
- Aggressive in building stuff

1. Experience working with a Java Script framework.
2. In-depth understanding of Java Script, the DOM, and relevant concepts
3. Proficiency with browser-based debugging and performance testing
4. Thorough understanding of React.js etc., (Redux) and its core principles
5. Familiarity with newer specifications of ECMA Script
6. Familiarity with RESTful APIs
7. Ability to understand business requirements and translate them into technical requirements
8. Familiarity with code versioning tools such as Git, SVN, and Mercurial
Note: Right candidate will have no bar


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
- Collaborate with other team members
You’ll be a good fit if you:
- Have 1+ years of experience developing user facing features
- Have a deep understanding of basic UI/UX/design principles
- Are self-motivated and can solve problems independently
- Experience leveraging web technologies like HTML, CSS, and Javascript(ES6)
- Experience using the latest CSS layout methods such as Flexbox and Grid
- Experience with CSS preprocessors like Sass or LESS
- Knowledge and hands-on experience with Node.js ecosystem and leveraging Javascript libraries / frameworks such as React, Angular or Vue
- Experience with testing frameworks (Jest) and writing unit tests
- Competency in building responsive layouts
- Practical knowledge of performance optimization techniques
- Collaboration in a GitHub repository with many contributors and comfortable with workflows like code reviews, forking, pull requests, etc.

