Frontend Developer

Certa (getcerta.com) is a Silicon Valley-based tech product start-up that is automating the vendor, supplier, and other stakeholder onboarding processes (think background checks, agreements, and the works) for companies across industries and geographies. With multiple Fortune 500 and Fortune 1000 clients, at Certa's tech team, you will be working on stuff that is changing the way huge companies do business.

Must Haves:

• Experience developing enterprise-grade quality software.
• 3+ years of experience building large-scale front-end applications using React.
• 3+ years of experience using type-safe JavaScript-based languages, such as TypeScript.
• Understanding of modern frontend ecosystems, including Bundling(preferably using vite), Linting, Testing and Releasing
• Success with mentoring mid-level & junior Engineers.
• Experience in Agile software development methodologies.
• Experience writing automated tests (e.g., Vitetest, Cypress, Jest, Testing Library).
• Experience in building, scaling & maintaining a design system from scratch.
• Experience in improving rendering as well as delivery performance for front-end applications.
• Experience in writing semantic HTML.
• Experience in building scalable, responsive, and cross-browser-compatible web applications.
• Experience in a peak-performance organization, preferably a tech startup.
• Experience working with a remote team.
• Data analysis experience, and understanding of how analytics can help with product decisions.

Bonus:

• Experience building integrations and data synchronizations with event pub/sub-models.
• Experience with WebGL
• Experience in building offline applications using Web Workers
• Open source contributions.
• Running his/her own blog.
• Experience with building 100% keyboard and screen reader-accessible applications.
• Experience setting up and customizing JavaScript tooling and building systems.

About the Role

Have you ever wanted to shape not just features, but frontend architecture and engineering culture across multiple products? As a Staff Frontend Engineer, you will play a critical role in defining UI architecture, setting engineering standards, and mentoring senior engineers while still being hands-on with complex frontend systems.

You will work closely with Product, Design, Backend, and DevOps teams to build scalable, high-performance SaaS products from the ground up—often version 1—across CAW’s growing product portfolio.

This role is ideal for engineers who combine deep React expertise, systems thinking, and technical leadership.

📍 Location: Hyderabad (Office) or Remote

What Will You Do?

Technical & Architecture Ownership

• Own frontend architecture and design decisions across one or more products.
• Define and evolve scalable UI patterns, component libraries, and frontend frameworks.
• Lead initiatives for performance optimization, accessibility, and cross-browser consistency.
• Drive adoption of best practices in TypeScript, state management, testing, and observability.
• Partner with backend teams on API contracts, data flow, and system boundaries.

Product & Execution

• Translate ambiguous product requirements into robust technical solutions.
• Build pixel-perfect, buttery-smooth user interfaces for complex workflows.
• Ensure frontend systems are reliable, testable, and production-ready.
• Diagnose and resolve hard performance, scalability, and reliability issues.
• Take end-to-end ownership of critical frontend modules.

Leadership & Mentorship

• Mentor Senior and Mid-level Frontend Engineers.
• Conduct design reviews, code reviews, and technical deep dives.
• Set quality benchmarks for frontend engineering across teams.
• Influence roadmap discussions with a strong engineering perspective.
• Be a role model for ownership, execution discipline, and technical excellence.

Experience Required

• 5-8 years of overall frontend engineering experience.
• 5+ years of deep React.js experience, building and scaling production SaaS products.
• Proven experience owning frontend systems at product or platform level.
• Experience working in fast-paced, product-driven environments.

Technical Skillset

Must Have

• Expert-level knowledge of JavaScript and TypeScript.
• Deep expertise in React.js, including Hooks and modern patterns.
• Strong experience with state management (Redux, Context, or equivalent).
• Advanced proficiency in HTML, CSS, responsive design, and browser internals.
• Hands-on experience with performance profiling and optimization.
• Experience with frontend testing strategies (unit, integration, E2E).
• Strong understanding of web storage, caching, and browser lifecycle.
• Experience with logging and monitoring tools (e.g., Sentry).
• Experience with analytics frameworks (Mixpanel, WebEngage, or similar).

Good to Have

• Experience designing or maintaining design systems / component libraries.
• Familiarity with backend technologies and API design.
• Exposure to micro-frontend or large-scale frontend architectures.
• Knowledge of CI/CD pipelines and frontend DevOps practices.

Functional & Behavioral Skills

• Strong written and verbal English communication skills.
• Comfortable working with distributed global teams (Slack, Zoom, Google Meet).
• Ability to drive clarity in ambiguous problem spaces.
• Strong bias for action, ownership, and delivery.
• Data-driven mindset with focus on productivity and quality metrics.

About CAW Studios

CAW Studios is a Product Engineering Company of 70+ engineers building and scaling SaaS products end-to-end.

Products we’ve built and run:

• Interakt
• CashFlo
• KaiPulse
• FastBar

We also power engineering for:

• Haptik
• EmailAnalytics
• GrowthZone
• Reliance General Insurance
• KWE Logistics

We are obsessed with automation, DevOps, OOPS, and SOLID principles. We don’t believe in rigid tech stacks—we believe in solving real problems well.

🌐 Website: https://www.caw.tech || https://www.knacklabs.ai/

Role

We are looking for 4–6 years of experienced React Native and ReactJS engineers who can join us in our office in Hyderabad.

What would you do?

• Own development of mobile and web features from implementation to release.
• Build complex UI flows, state management, and performance optimizations.
• Ensure stability, offline support, logging, analytics, and release readiness.
• Collaborate with product, backend, and QA teams to deliver quality features.
• Drive code quality through reviews and mentor junior engineers.

Technical Skillset

• Strong JavaScript; TypeScript preferred.
• Hands-on with React Native, React.js, Redux, and Hooks.
• Solid HTML, CSS, and responsive UI fundamentals.
• Offline handling using SQLite or similar.
• Mobile CI/CD: AppCenter / Bitrise.
• Logging & crash reporting: BugSnag / Crashlytics.
• Analytics: Mixpanel / WebEngage.
• Backend API understanding is a plus.

Job Title: Frontend Developer (React.js)

Location: Bangalore

Job Description:

Company is looking for a skilled Frontend Developer with experience in React.js to join our team at Timely.ai. In this role, you will be responsible for building and maintaining the user-facing side of our web applications. You will work closely with our designers and back-end developers to deliver high-quality, responsive, and interactive web experiences to our users.

Key Responsibilities:

• Develop new user-facing features using React.js
• Build reusable components and front-end libraries for future use
• Ensure the technical feasibility of UI/UX designs
• Optimize applications for maximum speed and scalability
• Collaborate with other team members to design and develop new features
• Stay up-to-date with the latest advancements in front-end technologies and frameworks

Qualifications:

• Strong proficiency in React.js, HTML, CSS, and JavaScript
• Experience with Redux or other state management libraries
• Experience with webpack and other build tools
• Experience with unit testing and end-to-end testing
• Strong understanding of web development principles and best practices
• Strong problem-solving and debugging skills
• Proven ability to work in a fast-paced, Agile development environment
• Strong communication and teamwork skills
• Bachelor's degree in Computer Science or related field or equivalent experience

We offer a competitive salary, benefits package, and an opportunity to work on cutting-edge technologies with a dynamic team. If you are passionate about building great user experiences and want to make a difference in the world, we want to hear from you!

Please apply with your resume and a portfolio of your work

Description of Skills/abilities:

We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing those with well-known React.js workflows such as Redux. You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is a must.

You will be responsible for architecting and building the applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

Responsibilities

1. Developing new user-facing features using React.js, React hooks.
2. Building reusable components and front-end libraries for future use.
3. Translating designs and wireframes into high quality code.
4. Optimizing components for maximum performance across a vast array of web-capable devices and all browsers.
5. Build pixel-perfect, buttery smooth UIs across all web browsers.
6. Diagnose, fix bugs, maintain code and write automated tests to ensure the product is of the highest quality.
7. Key understanding about Object Oriented Programming, Web Architecture, SDLC, Rest Framework.
8. Should have understanding in Hybrid App Ecosystem, Code Once - Deploy Anywhere thought process.
9. Responsible for development of new highly-responsive, web-based user interface.
10. Construct visualizations that are able to depict vast amounts of data.
11. Work with product team and graphic designers.
12. Develop a flexible and well-structured front-end architecture, along with the APIs to support it React.js developer requirements and qualifications.
13. Support the entire application lifecycle (concept, design, test, release and support). Produce fully functional web, mobile applications writing clean code.

Skills

1. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
2. Thorough understanding of React.js and its core principles.
3. Having Experience with popular React.js workflows such as Redux.
4. Familiarity with newer specifications of Typescript.
5. Having Experience with data structure libraries (e.g., Immutable.js).
6. Knowledge of isomorphic React is a plus.
7. Familiarity with RESTful APIs.
8. Knowledge of modern authorization mechanisms, such as JSON Web Token.
9. Familiarity with modern front-end build pipelines and tools.
10. Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
11. Familiarity with code versioning tools such as Git, SVN.
12. Knowledge of functional or object-oriented programming.
13. Ability to write well-documented, clean typescript code.
14. Rock solid at working with third-party dependencies and debugging dependency conflicts.
15. Understanding of REST APIs, the document request model, and offline storage.

Skill Set:

React, React Hooks, Redux, and Typescript with minimum of 6+ Years of relevant Experience.

Job responsibilities

·        Understand the current technical architecture including constraints related to platforms, standards and skillsets.
·        Review and integrate all application requirements, including functional, integration, security, performance, quality, and operations.
·        Review designs, documents and have hands-on coding exp.
·        Follow up the activities and team commitments to deliver the right solution at the right time.
·        Review and integrate the technical architecture requirements for the development and make all final decisions regarding system software.
·        Follow and adopt approaches, methodologies, and SDLC standards.
·        Apply techniques and skills required to identify a root cause of a given software integration issue.
·        Escalate encountered technical software issues to project leadership in a timely fashion and respond back consistently on time.
·        Acts as the technical subject matter expert for a product domain and the technical leader within a team
·        Leads and sets the direction for design and implementation of software features/functionality, correction of defects and/or creation of new products
·        Applies advanced systems analysis techniques to evaluate newly created code
·        Provides thought leadership and innovation within a technical domain

.       documents and communicates on complex technical topics outside the immediate development team

Qualifications:

·        Bachelor/Master’s degree in CS or Computer Engineering required
·        5+ years of programming experience in web applications development
·        Hands on Angular development experience 
·        Working knowledge of HTML and CSS
·        Working knowledge in Designing, Developing, and Deploying RESTful web services and other Web APIs.
·        Deep knowledge of Web Application Architecture and Object oriented design. Should have practical knowledge of design on more than two web applications.
·        Should be able to technically lead a small group of members

• Looking for an expert JavaScript developer who is highly skilled with Vue.js and Vuex(redux).
• Someone with the ability to create testable, reusable, and scalable code.
• Someone very good at understanding requirements and developing services & features quickly.
• Good communication skills & team player, who engages with all stakeholders of the project to add clarity for all aspects of the ongoing software development project.

Your responsibilities will include:

• Collaborate with project stakeholders, gather requirements, and develop the UI application.
• Create reusable, effective, and scalable VueJs Code.
• Implement front-end components with Vue.js and Vuex(redux) framework.
• Ensure developing robust, secure, modular, and maintainable code.
• Translate technical requirements into code.
• Build responsive UI screens with cross-browser & cross-platform support.
• Test and update web applications.

Key Requirements :

• Degree in Computer Science, Engineering or a related field.
• Highly proficient with the JavaScript language and its modern ES6+ syntax and features.
• Experience with the Vue.js ecosystem, including Vue CLI, Vuex, Vue Router, and Nuxt.js
• Should be having strong knowledge in HTML, HTML DOM, Bootstrap, Stylus, Sass, Less, CSS, and npm for builds.
• Good problem solving, decision making, and prioritization

• You will be part of a growing high functional team, responsible for delivering various frontend products to the end-users. Simplifying complex workflow and make it easy for the end-users.
• The team designs and develops various products from - financial apps targeted to invoice users, data-heavy app oriented to operational and support teams, a productivity app for sales teams,
• SDK that will be integrated into third-party apps, etc.
• You will work with business, product, and backend teams to work on new features and products.
• You are expected to drive the products to maximize its business impact and customer delight.
• You are expected to stay on top of tech innovations in the Web development space, experiment them and make suitable suggestions to enhance tech stack. Research and propose software programs that are compatible with future technologies.

• Design and implement Single Page Applications (SPAs) using modern JavaScript frameworks
• Integrating data from various back-end services
• Develop a simple-to-use user interface for a complex product, apply new technologies, best design practices and usability patterns
• Contribute to end-to-end system architecture, working with/as cross-functional teams
• Collaborate with UX teams, product managers and other technical teams to create optimized and delightful user experiences
• Apply expertise of HTML5, bootstrap/foundation CSS frameworks
• Analyze the performance of layers in the frontend, backend and engineer designs/code to solve them
• Work with the product team to build flow and detail out the requirements
• Conversant with development for desktop and mobile browsers and hybrid apps.

• Proven working experience in web programming
• Top-notch programming skills and in-depth knowledge of modern HTML/CSS
• Solid understanding of how web applications work including security, session management, and best development practices
• Working with respectable size Single Page Application (SPA) project
• Expert in MVC like design patterns, modern JavaScript frameworks
• Hands-on experience with network diagnostics, network analytics tools
• Solid CS, OOP/OOD, design patterns
• Good grasp on usability and interaction design
• Track record in large-scale system software development
• Aggressive problem diagnosis and creative problem-solving skills
• Ability to work and thrive in a fast-paced environment, learn rapidly and master diverse web technologies and techniques

• Any framework - ReactJS, AngularJS, Backbone, Ember, VueJS
• DOM and Virtual DOM understanding
• API Integration. Understanding of session management. 

• Experience with server-side processing such as templating, packaging and delivery
• Some end-to-end system design experience, sensitive to security
• Experience working with webviews on Android and iOS
• Exposure to React Native
• Demonstrated visual design and layout skills
• Design and development of backend REST endpoint applications

• In-depth knowledge in Core Python with Django building end to endapplications development.
• Experience in Web technologies-HTML, CSS, Javascript.

• Database - SQL Server/Postgres/ NoSQL database.
  
  
• Good understanding of Algorithms, data structures.
• Knowledge in ORM (Object Relational Mapper) libraries.
  
  
• Experience in integrating multiple data sources and databases into onesystem.
  
  
• Knowledge in REST / SOAP API
• Knowledge in version control tools like Git
• Experience with various cloud technologies.