Senior Frontend Developer

ReactNative ● Proficient in React, JavaScript (ES6+), and TypeScript. ● Expertise in state management libraries (Redux, Zustand, etc.). ● Hands-on experience with react-navigation and deep linking. ● Solid understanding of Expo (both managed and bare workflows). ● Knowledge of native development (Swift/Objective-C for iOS, Java/Kotlin for Android). ● Experience with custom native module bridging and native UI integration. ● Strong debugging skills using tools like Flipper and Chrome DevTools. ● Familiarity with Jest, React Native Testing Library. ● Experience with REST APIs, GraphQL, and real-time data (WebSockets). ● Ability to manage OTA updates with EAS Update and configure EAS Build. ● Experience in app publishing and release lifecycle on both Play Store and App Store. ● Knowledge of secure storage, token handling, and app-level security practices. 

We are seeking a talented and experienced Frontend Developer to join our on-site team full time. As a Frontend Developer, you will be responsible for developing user-friendly, responsive and high-performance web applications.

Responsibilities:

• Develop responsive and user-friendly web applications.
• Collaborate with designers and other developers to implement visual designs and user interface elements.
• Optimize web applications for maximum speed and scalability.
• Write clean, maintainable and reusable code.
• Participate in code reviews and ensure code quality.
• Troubleshoot and debug issues as they arise.
• Stay up-to-date with emerging trends and technologies in frontend development.

Requirements:

• 1 year of experience as a Frontend Developer.
• Proficient in HTML, CSS, and JavaScript.
• Familiarity with modern frontend frameworks like React, Nextjs.
• Experience with CSS preprocessors like Sass or LESS.
• Knowledge of responsive web design and cross-browser compatibility.
• Understanding of version control systems like Git.
• Ability to work in a collaborative environment.
• Excellent problem-solving and analytical skills.

If you are a self-starter who is passionate about frontend development and looking for a challenging opportunity, please apply with your resume and a cover letter explaining your experience and why you are the best fit for this role. This is an on-site, full-time position.

TROOLOGY is currently seeking a full-time Senior MERN Stack Developer

to join our team on-site in Lucknow. As a MERN Stack Developer, you will

be responsible for writing scalable code, collaborating with cross-

functional teams, and working on web development projects from

conception to final product.

Key Responsibilities-  

Master’s/Bachelor's degree in Computer Science, or a related field

Hands-on experience with MERN Stack (MongoDB, Express.js, React,

Node.js) with at least 5 years of experience.

Experience with state management tools such as Redux, Flux, or

MobX.

Do unit testing for the development work carried out.

Act as a mentor to the junior resources and provide technical

guidance.

Conduct and participate in project planning & scheduling, design

discussions, and provide assistance during testing.

Knowledge of AWS, K8s, Azure, CI / CD, Gitflow, shell scripting will

be considered positively.

Experience with HTML, CSS, and JavaScript (ES6+)

Experience writing unit tests with Jest and Enzyme

Knowledge of Git and experience using version control tools

Familiarity with Agile development methodologies

Good communication skills and able to work collaboratively in a

team environment

Experience with cloud technologies, such as Amazon Web Services

or Microsoft Azure is a plus

Experience with TypeScript or other typed JavaScript languages is a

plus.

Experience with SQL, NoSQL, or GraphQL is a plus.

Experience with team handling and support them if they got stuck

somewhere.

Qualifications-

Masters/Bachelor's degree in Computer Science, Software

Engineering, or related field

5+ years of experience in full-stack MERN development

Strong experience with front-end technologies such as HTML5,

CSS3, and JavaScript

 Experience with ReactJS, React, or other front-end frameworks

Solid understanding of RESTful web services and API development

Strong experience with Node.js and server-side technologies

Strong experience with MongoDB and NoSQL databases

Familiarity with AWS or other cloud services

Experience with agile development methodologies

Excellent problem-solving and communication skills

React JS Developers

Experience: 3-6 Years

Location: Bangalore (onsite)

Responsibilities:

Design and implement user interface components for JavaScript-based web applications

using React JS

 Work as a part of a small team that includes other react JS developers, designers, QA

experts, and managers

 Build app and UI components from prototypes and wireframes

 Built REST APIs for tight integrations with the Backend

 Write automated tests to ensure error-free code and performance

 Improve front-end performance by eliminating performance bottlenecks

 Create front-end modules with maximum code reusability and efficiency

 Work with third-party dependencies and APIs

 Work with Redux architecture to improve the performance of the websites/mobile apps

 Coordinate with the cross-functional teams to build apps in the stipulated time/budget

 Knowledge of TypeScript 

 Knowledge of HTML, JavaScript, CSS, Bootstrap

 React routing, React Hooks, Internationalization

• Strong experience of Angular 2+ and above along with other technologies like HTML5, CSS, jQuery, AJAX with good knowledge of ECMA Scripts.
• Strong knowledge of JS Fundamentals.
• Design & development of Angular applications as per desired specifications, along with experience in frameworks/libraries like jQuery, Bootstrap, Typescript etc.
• Architecture design, development, testing and maintenance of Web Apps, Implementation based on Angular Application MVC Patterns.
• Own end to end product modules/features (from the requirement to going live)- Design & code review, troubleshoot & help team members on issues.
• Gather requirements by interacting directly with the end-users.
• Research on open source framework/technology required for developing the feature/application.

• Collaborate with product, design, and other engineering teams to brainstorm and resolve complex problems.
• Ensure the quality of code is up to the highest standard of readability, conciseness, efficiency, modularity, and extensibility.
• Experience with the entire Software Development Life Cycle (SDLC)
• Solid communication skills: Demonstrated ability to explain complex technical issues to both technical and non-technical audiences
• Talking to customers and business teams to suggest improvement areas in product flows.
• Create peer learnings for team members and build context for new teammates
• Help with building the company's tech team and iterating on the hiring framework.
• Provide regular feedback to your team (peers and managers) to ensure continuous improvement.
• Keeping abreast with the latest technologies and working on your skills regularly.

Must-haves

• At least 3 years of experience working in frontend for desktop and mobile web.
• Familiar with design tools and convert them to actual code (HTML+CSS+JavaScript)
• Mastery in DOM Manipulation (including Jquery) and understand components, CTAs.
• Well-versed in other non-vanilla languages (ex. TypeScript)
• Well-versed in standard frontend framework (ex. ReactJS)
• Understanding of GraphQL APIs.
• Deep understanding of web technologies in various mobile systems
• Have empathy for the users you build for

Good to have

• Experience in the fintech industry
• Experience leading design and implementation of robust and secure web services.

• 3 years experience
• Strong in : HTML/JS/CSS
• Experience with any particular front-end stack like React or equivalent frameworks
• Front-End experience with and without frameworks
• Experience working on front-end graphic systems including canvas, SVG, webGL is a bonus
• Experience working on timeline based animations is a bonus