ReactJS Developer at Semperfi Services and Solutions · Remote, Bengaluru (Bangalore) · 3 - 8 years · ₹6L - ₹13L / yr · Bootstrapped · Remote friendly · Posted 26 Aug 2022
- Write effective, scalable code
- Develop Connectors tool GUI for various source and target systems/platform/products
- Test, debug, build and deploy UI components in the existing product
- Improve functionality of existing SDK/Frameworks
Skills required :
- JavaScript
- ReactJS
- Redux-Saga
- ES6 (or TypeScript) syntax
- Good problem-solving
- Good debugging
Good to have :
- TypeScript experience
- Material UI experience
- JEST knowledge
- Git and Github/Gitlab/Bitbucket experience

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Job Title: Senior React.js Developer (Immediate Joiner)
Location: Bangalore
Experience: 5+ Years
About the Role
We are looking for a skilled React Developer with 5+ years of experience to join our team immediately. The ideal candidate should have strong expertise in React.js along with a basic understanding of Angular. You will be responsible for developing user interface components and implementing them following well-known React workflows.
Key Responsibilities
- Develop and maintain responsive web applications using React.js
- Build reusable components and front-end libraries for future use
- Translate UI/UX designs into high-quality code
- Optimize applications for maximum performance across devices and browsers
- Collaborate with backend developers and cross-functional teams
- Participate in code reviews and ensure best practices are followed
- Assist in debugging and resolving technical issues
- Work on minor enhancements or support tasks in Angular-based modules (if required)
Required Skills & Qualifications
- 5+ years of hands-on experience in React.js development
- Strong proficiency in JavaScript, HTML5, CSS3
- Experience with state management libraries (Redux / Context API)
- Familiarity with RESTful APIs and integration
- Basic knowledge or exposure to Angular
- Understanding of responsive design and cross-browser compatibility
- Good problem-solving and communication skills
Preferred Skills
- Experience with TypeScript
- Knowledge of modern front-end build pipelines and tools (Webpack, Babel, etc.)
- Familiarity with version control systems like Git
Joining Requirement
- Immediate joiners or candidates with short notice period (0–15 days) preferred
About NonStop io Technologies:
NonStop io Technologies is a value-driven company with a strong focus on process-oriented software engineering. We specialize in Product Development and have a decade's worth of experience in building web and mobile applications across various domains. NonStop io Technologies follows core principles that guide its operations and believes in staying invested in a product's vision for the long term. We are a small but proud
group of individuals who believe in the 'givers gain' philosophy and strive to provide value in order to seek value. We are committed to and specialize in building cutting-edge technology products and serving as trusted technology partners for startups and enterprises. We pride ourselves on fostering innovation, learning, and community engagement. Join us to work on impactful projects in a collaborative and vibrant environment
Brief Description:
NonStop io is seeking a proficient React.js developer to join our front-end development team. In this position, you’ll be mainly crafting and integrating UI components through React.js methodologies and workflows like Mobx and Redux.
Responsibilities:
● Developing and implementing UI components using React.js
● Collaborating with cross-functional teams to design and ship new features
● Building reusable components and front-end libraries for future use
● Translating designs and wireframes into high-quality code
● Optimizing components for maximum performance across various web browsers
● Troubleshooting and debugging issues to ensure smooth user experiences
● Participating in code reviews to maintain code quality and consistency
● Improvement and optimization of existing codebase
● Keeping up with industry trends
● Identifying issues with technologies and architecture and then implementing solutions
● Assist with ticket creation, refinement, and estimation
● Participate in sprint planning and ticket distribution for frontend team
Qualifications & Skills:
● Proficiency in React.js and its core principles
● Strong JavaScript, TypeScript, HTML5, and CSS3 skills
● Experience with popular React.js state management libraries and approaches (such as Mobx, Redux, and Context API)
● Familiarity with RESTful APIs and integration
● Knowledge of modern authorization mechanisms, such as JSON Web Tokens
● Understanding of front-end build tools and pipelines
● Familiarity with any one of backend technologies such as Node.js, Java, or Python
● Excellent problem-solving and communication skills
● A strong attention to detail, and a passion for delivering high-quality code
● Expertise in designing scalable and efficient front-end architecture
● Adaptability to changing project requirements and priorities
● Experience with version control systems, particularly Git
● Experience working in Scrum and familiarity with Atlassian (Jira, Confluence, Bitbucket)
● Experience with diverse applications and architectural patterns
● A degree in computer science, software engineering, or a related field
● Strong understanding of object-oriented programming principles and design patterns
● Familiarity with automated testing frameworks and methodologies
● Excellent problem-solving skills and attention to detail
● Strong communication skills and ability to work effectively in a collaborative team environment
● Ready to be a tech-agnostic engineer and comfortable to shift on any tech stack
● Comfortable working with AI (Claude code, Cursor etc)
If you're passionate about technology and want to work on impactful projects, we'd love to hear from you
Responsibilities:
- Developing and implementing UI components using React.js
- Collaborating with cross-functional teams to design and ship new features
- Building reusable components and front-end libraries for future use
- Translating designs and wireframes into high-quality code
- Optimizing components for maximum performance across various web browsers
- Staying up-to-date with the latest industry trends and technologies
- Troubleshooting and debugging issues to ensure smooth user experiences
- Participating in code reviews to maintain code quality and consistency
Required React developer requirements, qualifications & skills:
- Proficiency in React.js and its core principles
- Strong JavaScript, HTML5, and CSS3 skills
- Experience with popular React.js workflows (such as Redux)
- Familiarity with RESTful APIs and integration
- Knowledge of modern authorization mechanisms, such as JSON Web Tokens
- Understanding of front-end build tools and pipelines
- Excellent problem-solving and communication skills
- A strong attention to detail, and a passion for delivering high-quality code
- Adaptability to changing project requirements and priorities
- Experience with version control systems (e.g., Git)
- A degree in computer science, software engineering, or a related field
Job Description:
https://drive.google.com/file/d/12Fcie5u0rhyHeE_xhsNTeGk3mlPId1Mb/view?usp=drive_link
NEED TO HAVE :
1) Have some knowledge of front end like React.JS
2) HTML, CSS
3) Strong in JavaScript concepts
4) Good communication skills
5) Loves to code
GOOD TO HAVE :
1) Experience with type script will be a plus
2) Experience with Nest.JS framework will be a plus
3) Strong hold on ES6 principles.
4) Familiar with TDD ( Test Driven Development ) will be a plus.
5) Familiar with working in CI / CD will be a plus
6) Micro-Service architecture knowledge will be an added benefit.
You can contact me on this WhatsApp number: Nine three one six one two zero one three two
Frontend Developers
- Contract To Hire (Initial Engagement: 6 months)
Experience: 5+ years
Mandatory Skills:
● React.js
● React Native
● JavaScript
● Experience in developing scalable and maintainable web and mobile applications
● Frontend architecture and reusable components
● State management
● REST API/backend service integration
● Application performance optimisation
● Authentication/authorisation and frontend security
● Git and pull-request-based development
● Clean, reusable and testable code
● Agile/product development experience
● Code reviews, debugging and production issue resolution
Good to have:
● TypeScript
● Next.js
● Jest / React Testing Library
● CI/CD
● Application monitoring
● Mobile deployment
Job Description – UI Developer
Location: Bangalore
Experience: 6+ Years
Technology: UI, Angular 15+, JavaScript, TypeScript, Microfrontend
Key Responsibilities:
- Develop and maintain responsive web applications using Angular 15+, JavaScript, and TypeScript.
- Design and implement scalable Microfrontend architecture for enterprise applications.
- Build reusable UI components and integrate REST APIs and backend services.
- Collaborate with UI/UX designers, backend developers, and other technical teams.
- Optimize application performance, code quality, and browser compatibility.
- Troubleshoot and resolve application issues and participate in code reviews.
- Follow Agile development practices and contribute to the complete software development lifecycle.
Required Skills:
- 6+ years of experience in UI/Web Application Development.
- Strong hands-on experience with Angular 15 or above.
- Strong knowledge of JavaScript and TypeScript.
- Experience working with Microfrontend architecture.
- Good understanding of HTML5, CSS3, responsive design, and REST APIs.
- Experience with Git and Agile/Scrum methodologies.
- Strong problem-solving and communication skills.
Location: Bangalore / Bengaluru
Experience: 6+ Years
Job Summary –
UI developer having strong hands-on experience in developing and managing scalable, secure and responsive front-end applications in an Agile development environment, including Micro Frontend (MFE) architecture and integration with APIs and microservices. Must have good working experience in an offshore development team based out of India. Must have prior experience in customer facing role.
Years of experience needed –
Candidate experience – Minimum 6 years
Technical Skills:
· Must have strong hands-on experience in Angular 15 or above, TypeScript, JavaScript, HTML5, CSS3 and modern UI technologies. Extensive knowledge on below topics
- Life Cycle Hooks, Modules, Decorators, Directives, Services, Dependency Injection, Reactive Forms, Types of Data Binding, Basics of Routing, Route Guards, Lazy Loading, Basics of Pipes and Custom Pipes, Interceptors, Observables, Promises, Operators, Subscriptions, Subjects, State Management, JS event loop execution process for async functions, TypeScript, Error Handling, Compilers.
- Strong knowledge of Node Package Manager (NPM), package management, dependency management, build scripts and front-end build processes.
- Hands-on experience in Micro Frontend (MFE) architecture, reusable UI component design, modular application development and integration of independently deployable front-end modules.
- Good understanding of microservices architecture and experience integrating UI applications with microservices through RESTful APIs.
- Experience in API consumption and UI integration, including request and response handling, authentication, authorization, error handling and secure data exchange.
- Good understanding of web application security concepts, including secure coding practices, route protection, token-based authentication, CORS, prevention of XSS and CSRF vulnerabilities, and secure storage of sensitive information.
- Experience in responsive web design, cross-browser compatibility, accessibility standards and performance optimization of UI applications.
· Must have good experience in writing unit test cases using Jasmine and Karma.
· Good knowledge and experience in Agile Development.
· Must possess good design thinking, technical problem-solving skills.
· Must have strong knowledge in any of the source code version tool like GIT or GitLab or GitHub etc.
📌 Frontend Developer Intern – 3 Months Internship (Unpaid)
Company: [Your Company Name]
Location: Remote / On-site (Specify)
Duration: 3 Months
Stipend: Unpaid
Benefits: Internship Certificate + Letter of Recommendation (Performance-based)
📝 About the Role
We are looking for a motivated Frontend Developer Intern to join our tech team. This role is ideal for students or freshers who want hands-on experience in building responsive, user-friendly web interfaces and improving their coding skills through real-world projects.
🎯 Key Responsibilities
- Develop and maintain user-facing features using HTML, CSS, JavaScript
- Work with frameworks/libraries such as React, Angular, or Vue (based on company stack)
- Convert UI/UX designs into responsive web pages
- Collaborate with backend developers to integrate APIs
- Debug and fix frontend issues
- Optimize applications for performance and speed
- Assist with testing, documentation, and UI improvements
- Stay updated with the latest trends in frontend development
✔ Requirements
- Pursuing or completed a degree in Computer Science, IT, Engineering, or related field
- Strong understanding of HTML5, CSS3, JavaScript
- Familiarity with frontend frameworks (React preferred, but not mandatory)
- Basic understanding of Git/GitHub
- Knowledge of responsive design and web performance
- Good problem-solving skills and willingness to learn
- Ability to work independently and meet deadlines
🎁 What You Will Gain
- Hands-on experience in real-world frontend projects
- Opportunity to work with modern tech stacks
- Guidance from experienced developers
- Internship Certificate upon successful completion
- Letter of Recommendation based on performance
- Strong portfolio pieces for future roles
📩 How to Apply
Send your resume and GitHub/portfolio link to: [Your Email Address]
Subject Line: Frontend Developer Internship Application – Your Name
If you want, I can also create:
💻 A Canva-style JD poster
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🏢 A version tailored for your company (Springer Capital)
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You said:
same for operation intern
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Here is a clean, professional Operations Intern Job Description ready to copy and use for job posting:
📌 Operations Intern – 3 Months Internship (Unpaid)
Company: [Your Company Name]
Location: Remote / On-site (Specify)
Duration: 3 Months
Stipend: Unpaid
Benefits: Internship Certificate + Letter of Recommendation (Performance-based)
📝 About the Role
We are looking for a proactive and detail-oriented Operations Intern to support daily business operations, coordination, and process management. This role is perfect for students or fresh graduates who want practical exposure to organizational operations, workflow management, and administrative responsibilities.
🎯 Key Responsibilities
- Assist in day-to-day operational tasks across departments
- Coordinate with internal teams to ensure smooth workflow
- Help maintain project trackers, reports, and documentation
- Support HR/Operations team in onboarding tasks and scheduling
- Manage data entry, filing, and record-keeping activities
- Assist in process improvement initiatives
- Coordinate with vendors, clients, or service providers (if applicable)
- Prepare weekly reports and operational summaries
- Help maintain compliance with internal policies and deadlines
✔ Requirements
- Pursuing or completed a degree in Business Administration, Operations, Management, or related field
- Strong communication and organizational skills
- Proficiency in MS Office/Google Workspace (Excel, Word, Sheets)
- Ability to multitask and handle administrative tasks efficiently
- Attention to detail and good problem-solving ability
- Ability to work independently with minimal supervision
- Eagerness to learn and contribute to team success
🎁 What You Will Gain
- Hands-on experience in business operations and coordination
- Exposure to organizational processes and workflow management
- Opportunity to improve administrative and analytical skills
- Internship Certificate upon completion
- Letter of Recommendation based on performance
Frontend Developer Intern – 3 Months Internship (Unpaid)
Company: [Your Company Name]
Location: Remote / On-site (Specify)
Duration: 3 Months
Stipend: Unpaid
Benefits: Internship Certificate + Letter of Recommendation (Performance-based)
📝 About the Role
We are looking for a motivated Frontend Developer Intern to join our tech team. This role is ideal for students or freshers who want hands-on experience in building responsive, user-friendly web interfaces and improving their coding skills through real-world projects.
🎯 Key Responsibilities
- Develop and maintain user-facing features using HTML, CSS, JavaScript
- Work with frameworks/libraries such as React, Angular, or Vue (based on company stack)
- Convert UI/UX designs into responsive web pages
- Collaborate with backend developers to integrate APIs
- Debug and fix frontend issues
- Optimize applications for performance and speed
- Assist with testing, documentation, and UI improvements
- Stay updated with the latest trends in frontend development
✔ Requirements
- Pursuing or completed a degree in Computer Science, IT, Engineering, or related field
- Strong understanding of HTML5, CSS3, JavaScript
- Familiarity with frontend frameworks (React preferred, but not mandatory)
- Basic understanding of Git/GitHub
- Knowledge of responsive design and web performance
- Good problem-solving skills and willingness to learn
- Ability to work independently and meet deadlines
🎁 What You Will Gain
- Hands-on experience in real-world frontend projects
- Opportunity to work with modern tech stacks
- Guidance from experienced developers
- Internship Certificate upon successful completion
- Letter of Recommendation based on performance
- Strong portfolio pieces for future roles











