Frontend Developer(Reactjs, React Native, Nextjs)

Type, Location : Mumbai

Desired Experience: 3+ years

Roles and Responsibilities :

What You’ll Do:

• Designing and implementing web applications using JavaScript and its frameworks (i.a. React, Vue, Angular), HTML5 and CSS3
• Working closely with the dispersed development team, client, and project manager in the SCRUM methodology
• Ensuring that programming practices and code quality are respected
• Supporting other engineers with your expertise when needed (knowledge sharing)
• Leading your colleagues’ growth and development

What you bring to the table:

• 3+ years of experience with JavaScript (good knowledge of ES2016; newer versions and TS 3+ are a plus)
• Experience in developing web applications using Angular, React, javascript, node js, MySQL/Postgres SQL/MongoDB
• Being comfortable HTML5 and CSS3
• Experience with version control systems, preferably Git
• Demonstrated tech leadership in a medium-sized team, and the ability to design a complex system
• Eagerness to learn and constantly improve yourself
• Being a team player focused on getting things done

• 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.

About Xpresslane:
Xpresslane is a universal one-click checkout platform for eCommerce. We want to transform the way online shoppers buy, Democratize optimized checkout and post checkout experience. We have achieved 150+ signups from D2C merchants in the last year alone and are aggressively adding new features to help solve problems in their checkout process.

Engineering @Xpresslane:
We are a small group of Tech Enthusiasts, Product Managers. We give incredible value to design and UX is our topmost priority. We've implemented products using Go, Java, Kubernetes, Docker, Temporal, GraphDB, Svelte & React, Cypress, Gitlab CI/CD.

Why Engineering @Xpresslane:

• Opportunity to Design & Implement new features which are internet-facing.
• Opportunity to Design Scalable Distributed System spanning many regions.
• Freedom to learn & work across Frontend/Backend/Devops/Design Expertise.
• 2-4 years of experience in Frontend Engineering.
• Expertise in one or more frontend frameworks like React/Angular/Vue/Svelte
• Style the frontend applications with an incredible focus on design & UX.
• Self-driven in identifying opportunities to make things better and efficient.
• Ensure code quality and reliability through automated test implementations.
• View frontend as Engineering i.e, plan & implement components for reusability, testability
  and scalability.
• Nice to have, experience in using Figma/Sketch for quick mockups & prototypes
• Nice to have knowledge of cache busting, CSRF, XSS attacks.

UI Architect / Developer

1.       A must have skills is Angular. NodeJs preferred but can be replaced with anything on server side scripting.  

a.       70% work for this role in angular based. At architect role without server side scripting understanding doesn’t a right fit. 

b.       Someone who can take sound decision for overall interaction with backend.  

c.        There are components written in node (Control Manager and aith server) which we have intentions to align with UI architect.  

d.       Given Node is technology primary in java script (same as angular), generally we are seeing people who have earlier exposure or are confident to pick it with little learning. But we would not penalize anyone who is week in node, but champ in angular for this role. 

2.       Design , develop and maintain client facing web applications. 

3.       Cooperating with backend developers in the process of building REST APIs. 

4.       Should demonstrate deep understanding of the following: 

·         Design - HTML/CSS  

·         Frontend languages - Experience with Javascript  and related frameworks - Angular(7/8/9), Angular Material, Bootstrap(or similar CSS frameworks), Node JS (preferred but not mandatory). 

·         Test frameworks - Mocha, Chai, Jasmine, Karma 

To be shared by you - 

1.     Can you lead frontend-backend integration? 

2.     Can you use linux machines? 

3.     Are you aware of websockets? 

4.     Has you workedon binary data communication over websockets? 

5.     Do you understand different types of communication protocols available between frontend-backend and it's working? 

6.       Do you have experience on electron framework? 

7.       Highest team size managed by you.

Requirements : 

a) CSS / Bootstrap : Flex Layout/ability to demonstrate the cascading nature of CSS clearly with example/Positioning.

b) Pure JavaScript: Prototype chain and inner workings of inheritance in JS. Understood DOM, Events, Event Bubbling, and Capturing/ ability to demonstrate it with example/ Promises and their use cases.

c) TypeScript: Basic understanding of using TS. Union Types, Index Signatures,

d) REST: Backend experience. REST principles, URL structures for APIs. integration using native JS (fetch and Promises) and in Angular. use cases of getting vs POST vs PUT vs PATCH.

e) Angular :  Abstractions of Angular Component, Service, Pipe, Directive, Module, Lifecycles. Knew advanced patterns as well Dynamic Components, Content Projection, Reactive Forms, ViewChild, ContentChild. Understood Observables and various operators demonstration of Design Skills ability to create the component and module hierarchy for a moderately complex application, along with their interactions