Senior developer

Role Overview

We’re hiring a Senior Frontend Engineer with 5+ years of experience to build high-performance, scalable, and visually refined web applications. This is a hands-on engineering role focused on architecture, performance, and crafting exceptional user experiences across modern browsers and devices.

You will work closely with design, product, and backend teams to build robust frontend systems, define engineering standards, and ship production-grade features that scale.

What You’ll Build

1. Frontend Architecture & Development

• Build scalable, modular frontend applications using modern JavaScript frameworks
• Architect component-driven UI systems and reusable design libraries
• Implement robust state management and data flow patterns
• Develop responsive, cross-browser experiences with high usability
• Collaborate with backend teams to design API contracts and integrations

2. Performance & Optimization

• Optimize applications for speed, scalability, and accessibility
• Improve Core Web Vitals and page load performance
• Implement code splitting, lazy loading, caching, and asset optimization
• Diagnose and resolve performance bottlenecks in production environments
• Ensure smooth user experiences across low-end to high-end devices

3. UI Engineering & Design Systems

• Build and maintain scalable design systems and component libraries
• Translate Figma or design specifications into pixel-perfect interfaces
• Implement accessibility standards (WCAG) and responsive layouts
• Maintain visual consistency across products and platforms

4. Frontend Platform & Tooling

• Improve build systems, CI/CD pipelines, and developer tooling
• Implement testing strategies including unit, integration, and end-to-end testing
• Establish coding standards, linting rules, and documentation practices
• Support deployment workflows and release management

5. Collaboration & Leadership

• Mentor junior engineers and conduct technical reviews
• Work with product and UX teams to shape user-facing features
• Contribute to technical decision-making and roadmap planning
• Advocate for performance, maintainability, and user-centric design

Technical Stack

Frontend

• JavaScript / TypeScript
• React, Next.js (or similar modern frameworks)
• HTML5, CSS3, Tailwind or CSS Modules
• State management libraries such as Redux, Zustand, or similar

Tooling & Platforms

• Webpack, Vite, Rollup
• Git-based workflows
• Testing frameworks such as Jest, Cypress, Playwright
• REST APIs and GraphQL

Performance & Quality

• Chrome DevTools and performance profiling
• Accessibility tools and audits
• CI/CD pipelines and monitoring tools

What We’re Looking For

Must-Haves

• 5+ years of experience in frontend engineering
• Strong expertise in JavaScript or TypeScript and modern frameworks
• Experience building scalable frontend architecture from scratch
• Deep understanding of browser rendering, performance, and optimization
• Strong grasp of responsive design and accessibility best practices
• Experience integrating APIs and working closely with backend teams
• Ability to write clean, maintainable, and production-ready code

Highly Desirable

• Experience building design systems or UI platforms
• Familiarity with SSR or SSG and performance-driven architectures
• Experience with micro-frontends or large-scale frontend systems
• Exposure to cloud deployment workflows and frontend observability
• Product-focused mindset with strong UX understanding

Technical Challenges You’ll Tackle

• Scaling frontend architecture for complex applications
• Maintaining performance across devices and network conditions
• Designing reusable UI systems across multiple products
• Improving developer productivity and build pipelines
• Ensuring accessibility and usability at scale

Why Join Ctruh

• Work on product-focused engineering, not just UI implementation
• Build systems that directly impact customer experience and engagement
• Ownership of architecture, performance, and engineering standards
• Small, high-caliber engineering team with strong technical depth
• Freedom to experiment and influence product direction

Location & Work Culture

• Work from office: HSR Layout, Bengaluru
• 6-day work week (5 days in office, Saturdays work-from-home)
• High-performance engineering culture
• Fast decision-making environment with strong ownership mindset

Ideal Candidate Profile

• You think in systems, not just components. You care about performance, scalability, and user experience equally.
• You have built production-grade frontend applications, improved engineering standards, and mentored teams.
• You write maintainable code, challenge assumptions, and take ownership of the user journey end-to-end.

FirstFiling is a FinTech startup that is managed, operated, and driven by Chartered Accountants, Company secretaries, IT engineers, and Lawyers. We provide registration and financial compliance services to businesses and individuals across India.

Our aim is to simplify the lives of people by helping individuals and businesses with mandatory compliances, filings, and statutory requirements while promoting financial literacy among the masses. 

Technology Profile-

The candidate must have experience in the following technologies (the more the better):

Frontend:

Core - JavaScript, CSS, Bootstrap, etc.

Frameworks - ReactJS, Angular, Vue, etc.

Requirements:

• Ability to reuse components
• Proven experience in working with Git and Github 
• Creating and consuming a RESTful API
• You must have clear concepts of client-server architecture
• Familiarity with MVC (Model-View-Controller) design patterns
• Understanding of OOP concepts

Furthermore, the candidate must have built or published any web app or project through which they can demonstrate their experience and knowledge of the aforementioned technologies and requirements. 

• Developing new user-facing features using React.js
• Building reusable components and front-end libraries for future use
• Translating designs and wireframes into high quality code
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles
• Experience with popular React.js workflows (such as Flux or Redux)
• Hands on experience with Typescript
• Expertise with RESTful APIs integration and best practices
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Familiarity with modern front-end build pipelines and tools
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
• Ability to understand business requirements and translate them into technical requirements
• Familiarity with code versioning tools such as Git

• Meeting with the development team to discuss user interface ideas and applications.
• Reviewing application requirements and interface designs.
• Identifying web-based user interactions.
• Developing and implementing highly responsive user interface components using react concepts.
• Writing application interface codes using JavaScript following react.js workflows.
• Troubleshooting interface software and debugging application codes.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.
• Documenting application changes and developing updates.

Currently 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 to back-end

·         Collaborate with other team members and stakeholders

Experience & Skills :

·         Experience in coding using Angular, AngularJS, ionic framework mandatory.

·         Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery, understanding of web markup, including HTML5, CSS3

·         Proficient understanding of client-side scripting and JavaScript frame

·         Good understanding of  advanced JavaScript libraries and frameworks, such as AngularJS

·         Good understanding of asynchronous request handling, partial page updates, and AJAX

·         Basic understanding of server-side CSS pre-processing platforms

·         Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image. Familiarity with tools such as Photoshop is a plus.

·         Proficient understanding of cross-browser compatibility issues and ways to work around them.

·         Proficient understanding of code versioning tools, such as Git / Mercurial / SVN

·         Good understanding of SEO principles and ensuring that application will adhere to them