
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

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We are seeking an experienced, hands-on SDE 3 - FE to build and optimize scalable, user-friendly applications with a focus on micro frontend architectures. The ideal candidate will blend strong UI engineering skills with modern frontend practices, ensuring responsive, secure, and high-quality experiences aligned with business needs.
Responsibilities
● Design & Build: Develop scalable, performant front-end applications using React, TypeScript, and Micro Frontend architecture.
● Code Quality: Review PRs, enforce best practices, and introduce patterns to reduce technical debt.
● UI/UX Excellence: Deliver pixel-perfect, responsive, and accessible UIs across devices and browsers.
● Performance: Optimise rendering, bundling, caching, and load times for smooth user experiences.
● Mentorship: Guide and mentor mid/junior engineers, run design/code walkthroughs, and foster a culture of technical excellence.
● AI-driven Development: Leverage AI tools to accelerate coding, debugging, testing, and documentation in day-to-day workflows.
Criteria:
Experience: ~5–7+ years in software development, with proven expertise in React, modern frontend architectures, and building scalable user interfaces.
Technical Skills
● Strong proficiency in React.js (v17+), TypeScript, and modern frontend workflows.
● Experience with Micro Frontend architectures (e.g., Module Federation, Webpack, or similar approaches).
● Solid expertise in HTML5, CSS3, and mandatory proficiency with Bootstrap for responsive design.
● Knowledge of Blade templates for frontend-backend integration.
● Good-to-have: Tailwind CSS and Material UI for component-based design systems.
● Deep understanding of state management (Redux, Recoil, or equivalent).
● Experience with frontend performance optimisation and browser dev tools.
● Familiar with testing frameworks (Jest, React Testing Library, Cypress).
● Proficiency with Docker and containerised environments.
● Experience with CI/CD pipelines for frontend deployments.
● Ability to effectively use AI-powered tools for code generation, refactoring, documentation, and productivity improvements.
Soft Skills
● Clear and effective communication.
● Strong sense of ownership and accountability.
● Ability to break down complex problems and provide accurate estimates.
● Openness to adopt new tools/technologies to improve team efficiency.
What we offer:
● An exceptional team: Our hiring bar is high, and your colleagues are talented, motivated self-starters.
● A learning environment: We are a learning organisation, and as a team, we will help you grow and encourage you to learn and upgrade your skills.
● Outstanding compensation: top talent deserves top pay, and our salary, equity and benefits reflect this.
● Opportunities to grow: Encourages you to attend technical conferences and take company funded educational courses to advance your skills.
● An opportunity to be a key member of a well-capitalised, leading brand in an online real estate investing platform.
Lead Frontend Developer
We are an early stage EdTech startup founded by people from IIT-D, IIM-B, Flipkart, Google, Cure.Fit & ICICI Venture. Our vision is to help each child discover their hidden treasures. We want to provide the best learning platform to ensure all round holistic development of children (social, physical, intellectual, cultural, and emotional) by enabling them to pursue their passion. If you are passionate about helping the future generations to have holistic development and achieve their full potential, come talk to us.
Responsibilities :
- Develop user-facing stack from scratch
- 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 and stakeholders
Technology Skills :
- Proven 4 years work experience as a ReactJS Frontend developer
- In-depth understanding of the entire web development process (design, development and deployment)
- Good experience with Typescript and ReactJS (17.x). NodeJS knowledge is a plus.
- Familiarity with Unit Testing Frameworks, UI Testing, Monorepos and Graphql principles
- Knowledge of Alerting and Monitoring tools
- Knowledge of SPA principles
- UI Performance: should have hands on experience of optimising page load, rendering, caching
- Sense for appeal & aesthetics from a usability perspective.
Soft Skills :
- Obsessed with best practices, structuring, documentation and have an eye for detail.
- Self starter with a high level of drive and commitment.
- High energy and drive to work in a startup environment.
- Conceptual thinking, flexibility and ability to juggle with multiple responsibilities.
- Ability to work under pressure and confidence to deal with complex issues.
- Good communication skills.
- Hands-on and detail oriented.
Our client is the Health-tech initiative of India's largest business house. Started in 2015, it empowers healthcare providers and consumers in India. All healthcare monitoring services are made available through an app that will help connect doctors, hospitals, pharmacies, laboratories and consumers, enabling preventive and predictive healthcare. It helps the care-givers to track the entire patient journey from the initial appointment and maintaining their records, generating lab test reports to providing virtual consultation and home-care solutions. It is expected that this futuristic guide will strengthen the doctor-patient relationship and enhance the in-clinic experience.
As the React JS- Developer,you will be responsible for developing a flexible and well-structured front-end architecture, that is robust, scalable and aesthetically appealing for our cutting edge health-tech applications
What you will do:
- Building Progressive Web App components and features for the companys advanced health-tech platform using React Js, Node Js
- Communicating effectively in a cross-functional product development team and presenting ideas and solutions effectively.
What you need to have:
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Good understanding of HTML5 and CSS3
- Thorough understanding of React.js and its core principles
- Experience in building new components and features for a Progressive Web App using React JS and Node JS
- Experience with popular React.js workflows (such as Flux or Redux)
- Experience with integration of RESTful APIs
- Familiarity with modern front-end build pipelines and tools
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Proficient understanding of code versioning tools, such as Git or SVN
- Excellent problem-solving skills
Role and Responsibilities
- Design and develop new user-facing features using React adhering to best coding practices and standards
- Translating designs and wireframes into high-quality code and building reusable components and front-end libraries for future use
- Consistently follows and promotes SDLC best practices: Coding standards, testing, code reviews, code comments, etc.
- Keeps key stakeholders informed about progress and problems; avoids surprises
- Building responsive web applications across a vast array of web-capable devices
- Design and architect technical solutions for the business problems
- Organizes and expresses ideas clearly and concisely
- Exhibits excellent teamwork, and strong problem-solving skills and helps achieve team goals.
Qualifications and Education Requirements
- A bachelor’s or master’s degree in Computer Science or any other relevant engineering field from a reputed institute.
- Experience of 3 - 6 years as a Frontend Engineer.
- Excellent programming skills in JavaScript
- Proficient in ReactJS
- Good Exposure to AngularJS and VueJS
- Familiarity with CSS, Restful API modern build pipelines and development tools
- Good understanding of design patterns and a strong grasp of Material Design guidelines
Preferred Skills- Experience in developing and deploying applications on AWS, and Firebase. Experience with popular state management, frontend, and server-side rendering libraries
- Understanding common front-end development tools (Babel, Webpack, NPM, etc.) and code versioning tools (Git and Mercurial)
- Familiarity with Micro-frontends Architecture, Material UI, Ant Design, and GraphQL
- Has delivered projects with end-to-end accountability
- Identify and resolve performance and scalability issues
- Strong desire to learn and grow, with intelligence & adaptability while building the best-in-class systems
- Strong flair for effective communication and collaboration - you know when to push on and when to step back
Additional Notes
As we have to Bring your device policy, candidates should have a Laptop.
Roles and Responsibilities :
- Lead the delivery of high quality, innovative, flexible, cost-optimized, and scalable technical solutions that meet business requirements
- Design, Develop, test, and maintain software applications with MVC architectures, Microservices, and scalable cloud-native apps.
- Perform hands-on coding and provide thoughtful code reviews
- Mentor and lead team members to continuously improve quality and productivity of deliverables
- Demonstrate ability to work within an agile team as well as collaborate with many other teams on design and implementation strategies. Follow SCRUM Agile Development methodology
- Effective Communication Skills- An ability to express your ideas to the recipient & Co-ordinate and communicate with cross-functional team along with the client's team
- Problem Solving, Hustler - Get Stuff Done, Self-Disciplined Open-minded, User-Focused, Adaptive
- Lean Principles & Analytical Thinking
- Project planning, timelines, and milestones for execution and deliverables
- Participate in the Evaluation Review of your team member
Primary Skills
- Experience in building an enterprise web application using ReactJS as the frontend framework
- Experience with Redux and React Hooks
- Expert in HTML5, CSS3
- Experience in Bootstrap4 or CSS pre-processor like Less or Sass is highly desirable
- Strong knowledge of best practices and modern web design trends is necessary.
- Some experience with modern web-based typography.
- Excel at rapid prototyping and at writing good code.
- Experience with testing/debugging in multiple browsers and platforms.
- Expertise in using JavaScript
- Should have worked on REST client and WebSockets
- Should be able to write Unit testing using any one of the frameworks like Cypress, Jasmine, Karma, Jest, Enzyme, or any other similar framework.
- Should have experience in either one of the Build scripts like Gulp or Grunt or Webpack
- Low-Latency UI, Page optimization, and bundle build+caching
- Problem-solving and debugging skills
- Component-based architecture
Brief Overview:
Through your work at Vauld, you will have the opportunity to change money for the 21st century. We’re a leading cryptocurrency platform and are passionate about increasing economic freedom around the world.
We are looking for a Lead frontend engineer who has hands-on experience with Angular/React in the front end responsibilities. You'll be involved with bringing features from idea to completion and mentoring an incredibly talented group of peers.
If you are looking for a challenging work environment where you can grow and deepen your technical skills as a frontend engineer and architect, we’d love to chat with you!
Key Responsibilities:
- Working with designers, product managers to collaboratively own the front-end layer for Vauld’s web and mobile applications.
- Architect, develop, maintain, and improve our front-end libraries.
Requirements:
- You have 5 years or more of front end development experience with expertise in designing and implementing high-performance web applications.
- You are aware of Javascript design patterns and can architect a fairly complex UI without feeling the need for a framework.
- You are capable of writing high-quality code that conforms to the standards and best practices in a particular language/framework.
- You have experience building a product using a mainstream library or framework.
- Experience in any of React/AngularJs/Vue js
- You have a deep understanding of javascript coding methodologies and can rightly judge/implement solutions to complex problems.
- You love to own end to end responsibility, starting from defining the problem statement (either yourself or alongside your peers), development (PoC if needed), testing, releasing in staging & then production environment, and finally monitoring.
Preferred:
- Previous work experience in product-based (B2B/B2C) startups and fintech firms.
- Experience working with Visualisation/graphs/gaming
- Experience building for mobile platforms
- Understands the cryptocurrency landscape
Working at Vauld:
You will join a fun and intellectually stimulating work environment. If you’re excited by the idea of making a real impact and joining a team where we pride ourselves on being disruptive and ambitious, a career with Vauld is perfect for you.
Permanent Work From Home option also available
Requirement-
-
Strong understanding of HTML, CSS, CSS preprocessors, JavaScript, Object-oriented programming (OOPS), Design patterns, Web principles, and UI Libraries like Bootstrap.
-
Strong skills in JavaScript frameworks and libraries (React).
-
Understanding of UX research and design processes.
-
Expert in REST web services.
-
Understanding of providing optimum web performance.
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Experience using repositories, build & deploy tools like git and Jenkins.
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Experienced with modern JavaScript coding, testing, debugging, and automation techniques
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Experience in unit test formation and understanding of jest enzyme and snapshot testing.
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Experience with popular React.js workflows (such as Flux or Redux)
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Demonstrable experience with React State management - Redux-Saga and popular React.js workflows
-
Experience with data structure libraries (e.g., Immutable.js)
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Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
-
Excellent knowledge of React hooks.
Front-end Developer
About Yellow Riddle:
Yellow Riddle is a young, fast-growing, bootstrapped and fun startup with a partly remote team. The founders have both been an active part of the Shopify ecosystem for over two years now consulting over 100+ DTC brands across the globe. We solve complex solutions for our merchants and build best-in-class Shopify websites. Most of our clients are based in the UK, Germany, USA & India.
Check out our website, especially our case studies:
www.yellowriddle.com
About the Role:
Yellow Riddle is looking for an experienced Front-end Shopify Developer to join our growing team with our increasing volume of Shopify work. Work would be spread across theme customisations, development and more complex migration projects from other CMS platforms to Shopify. One could also expect to be involved in maintenance and iterative site improvements. The key objective of the role is to be able to work on complex project requirements and be able to work across multiple projects.
You'll be a great fit!... if:
- You have strong knowledge in templating languages, and additionally Shopify Templates(Liquid), debugging and front-end skills.
- You know how to set up custom layout/content editors for our clients in Shopify.
- You have hands-on experience with Shopify, including at least two or more large-scale projects.
- You write clean theme code and can add and debug JS.
- You excel working in a remote environment, meaning you’re autonomous, self-driven, responsive, transparent, and self-organised.
Critical Requirements (Must-Haves):
- Minimum 3 years of work experience.
- Excellent verbal and written communication skills in English.
- Ability to demonstrate strong analytical skills & problem solving mindset
- Strong knowledge of HTML, CSS.
- Knowledge of JavaScript and jQuery
- Ability to develop responsive designs from PSDs, Invision or Adobe XD
- Shopify knowledge & ability to work on theme-kit
Preferred Requirements (Nice to Haves):
- Experience of working on Shopify Plus projects
Candidate Attribute (Culture Fit):
- Willingness to learn.







