

Work Responsibilities
- What You’ll Do:
- Engineers will develop and improve features for products such as WebView pages called from within Mercari’s web version and native app, along with tools used by the Customer Support Team for answering user inquiries and providing transaction support.
- Senior engineers in the Frontend Team are expected to use their technical skills to lead the team and product development, train members through design and code reviews, and make contributions and improvements to the hiring process, including technical tests.
- Development Environment:
- Languages: HTML, CSS, JavaScript, TypeScript, React, Gatsby, Next.js, GraphQL, Apollo Client, Redux, Cypress, Rendertron, Lit, Playwright
- Infrastructures: Google Cloud Platform (Compute Engine, Kubernetes Engine, App Engine)
- Configuration management tool: Terraform
- Other: Circle CI, GitHub, Slack, JIRA, Crowi, Spinnaker, Datadog
Minimum Requirements
- Shared understanding and belief in Mercari Group's mission and values
- At least 3 years of experience in development related to frontend fields such as web browsers, JavaScript, TypeScript, React.js, Next.js, or Redux
- Experience with developing and operating large-scale products
- Ability to design and develop with performance and scalability in mind
- Ability to use HTML and CSS to implement solid user interfaces
- Knowledge of JavaScript and experience developing with UI libraries or frameworks such as React, Vue.js, and Angular
- Able to understand and explain web operation principles and browsers
- Understanding of version management and ability to participate in development via Git
- Effective communication skills, needed for product development with team members and with other teams
Preferred Requirements
- Extensive knowledge of standard web technologies and specialized knowledge in some areas, like TypeScript, React.js, Next.js, Redux
- Understanding of the characteristics of different libraries/frameworks and the ability to introduce them to projects where necessary
- Ability to design architecture based on the characteristics of the app
- Ability to consistently take initiative in implementing improvements to the app
- Project management and/or team leadership
- Cloud development experience (preferably GCP or AWS)
- Experience contributing to an open-source project
- Familiarity with CI systems and the release process
Working Conditions
Employment Status
Full-time
Office
Bangalore
- Hybrid Workstyle

About Mercari, Inc
About
Launched in 2013 and becoming the first Unicorn company in Japan, Mercari Group is a Japan-based corporate group operating in both Japan and the US. Our mission is to create value in a global marketplace where everyone can buy and sell.
Mercari is the largest marketplace platform with over 20 million monthly users in Japan. Through the Mercari app, users can sell their used or unwanted items to those who need them just by taking a photo and entering in some basic information. We are constantly developing our app to provide an environment where anyone can conduct transactions easily, safely, and securely. As part of these efforts, we have invested in the latest technologies such as AI and machine learning, and have released various functions such as escrow payment, AI listing, and barcode listing.
The app currently operates in Japan and the US, with 5.6 million monthly users in the US (as of 2022.3).
We have also successfully launched new businesses such as our mobile payment service Merpay. Today, Mercari Group is made up of multiple subsidiary businesses, including those involved in logistics, B2C e-commerce, blockchain, and sports team management.
Mercari India located in Bengaluru will harness the infinite power of technology to create high-quality service where our people come together to build products that will further strengthen our leadership position in a global product market.
Website
Industry
Technology, Information and Internet
Company video
Candid answers by the company
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COMPANY INTRODUCTION
NEST® [NESTECH]
NEST® works with a range of international clientele in the development of bespoke software solutions. NEST® specialises in data and direct engagement structures, digital marketing, data with blockchain security and much more.
NEST® founders have had decades in the visual arts, architecture, sculpture as well as inking the human canvas. More mundanely, from fifteen countries our formal training is in law, philosophy, international logistics and technology. There are currently NEST® branch offices in England, Singapore, USA and India. What happened yesterday isn’t important. We believe what you privately achieve tomorrow is.
JOB DESCRIPTION:
Job Title: Front End Developer
Location: Pune
You should be able to quickly understand and support initiatives that will contribute to the goals and success of operations. You would also be working with various departments to coordinate and develop digital CRM solutions including bespoke in-house software.
EXPERIENCE
-3+ years of experience in Web Development.
-2+ relevant experience in the development of Angular Enterprise Applications. -Hands-on experience of using Angular Material:
in consuming complex nested API.
on Angular 7/8/9/10/11/12.
of using CSS frameworks like SCSS.
in using state management (e.g. NGRX, RXJS).
in using caching of using component library framework integration (e.g. Angular Material ). in integrating with REST web services from the application. Knowing JSON is a must.
NEST® OFFERS
● Competitive Salary
● Flexible Hours
● Paid Vacations
● Fun & Creative Environment / Projects
● Quarterly Performance Reviews
● Generous Bonus Schemes
● Oversea Working Placements
● Dynamic International Clientele
● Multiple Learning Opportunities
● Control And Work On Full Product Life-Cycle
● Research and Implement Multiple New Technologies

• Strong education track record
• Bachelors or an advanced degree in Computer Science or a related engineering
discipline from Indian Institute of Technology or equivalent premium institute.
• 2-3 years of experience in UI Development using ReactJS
• An ideal candidate will be responsible to produce high-quality solutions; bringing
a deep understanding of modern HTML, JavaScript, and CSS, and the software
development life cycle and a strong ability to execute and implement standard
software architecture patterns.
• Expert knowledge of JavaScript to design optimized and modular components that
will be used across platforms.
• Proficient with ReactJS, Redux, Service Workers, Optimized coding practices,
Progressive Web Apps (PWA), Context API, System design, Web concepts, Server-
Side Rendering (SSR), lazy loading.
• Should have experience working with any of the chart’s library like charts.js,
Highcharts.js, etc.
• Should know how to write modular and optimized code.
• Should have good knowledge around error handling.
• Fair understanding of responsive design and cross-browser compatibility issues.
• Experience versioning control systems such as GIT
• Strong problem solving and communication skills.
• Self-starter, continuous learner.
Good to have some exposure to
• Start-up experience is highly preferred
• Exposure to micro front ends.
• Agile software development methodologies.
• Working in multi-functional, multi-location teams

As the lead for the frontend development team at Mosaic, you will be the sole owner of the
entire FE development cycle for our consumer facing web products in ReactJS. Also, you will
be responsible for shaping up the entire system for scale and collaborating intensively with the
backend and design teams to create the best consumer experiences. You would also need to
control the mobile app development lifecycle on ReactNative.
Responsibilities
- Overlook development of all user-facing products in React
- Build reusable components and front-end libraries for future use
- Translate designs and wireframes into high quality code
- Optimize components for maximum performance across a vast array of web-capable
devices and browsers
- Focus on code maintainability and performance of application
- Provide technical advice and assists in solving programming problems
- Use Server Side Rendering when applicable
- Enhance SEO, Analytics and overall frontend architecture for better performance
Requirements
- 4+ years of experience building frontend for consumer facing products
- 2+ years on ReactJS for consumer facing products
- 1+ years of Team Lead/Management experience
- Thorough understanding of architecting the frontend system with Server Side Rendering
- Good foundation in design and a knack for designing interactions and elegant interfaces
- Understands app development cycle
- Experience with NodeJS for Server Side Rendering/coordinating with the backend team
for API requirements
- Must come up with caching solutions where required to speed up the website load speed
and improve customer experience

Your Responsibilities
- You will be a rockstar front end engineer bringing to life designs and solutions created in collaboration with designers and product managers. You will be responsible for converting the requirements to fast, optimised, usable interfaces, loved by our users.
- You will be the main source of knowledge on everything “front end” related and guide the team to make correct technical decisions to ensure the speed and scale of the solutions deployed.
- Collaborate daily with back-end developers and web designers to improve the usability
- You will be a key person in ensuring that agile processes created by the team are adhered to and you actively contribute to the improvement of these processes. You will be responsible for estimating your tasks and ensuring that promised timelines are met.
- You will be responsible for the performance, security, scalability, reusability and quality of the applications under you. You will collaborate with senior engineering managers/architects to refine & improve your solutions. You will cascade the same culture across the team by supporting and mentoring team members, helping build truly scalable applications
- You will need to collaborate closely with product managers, designers and business stakeholders to achieve predictable results at a rapid pace.
- You will be able to handle competing priorities and chart the best course of action for yourself and your team members ensuring blockers are removed
- You will help in attracting and evaluating tech talent to help build the engineering brand of the organization.
Desired background & skills
- 3-9 years of experience as an engineer at top tier digital product companies across consumer or SMB.
- 3+ years of experience in working on front end JS frameworks like React/Angular/Vue
- Excellent knowledge of working with responsive and adaptive designs. Expert in HTML5, JAVAScript, JQuery & CSS. Basic knowledge of SEO.
- Experience of design collaboration tools such as Zeplin, Figma, XD, Invision.
- Bonus if either you’re a full stack developer with knowledge of the back end or have experience with cross-platform mobile technologies such as React Native or Flutter.
- You have strong problem-solving skills, data structures and algorithms.
- Passion to work in an exciting, fast-paced environment. conscientious, curious, hard-working individual who craves accountability and loves to solve complex problems.
- You get a kick out of people using and loving your produced outcome.


Responsibilities-
- Developing new user-facing features using React.js, HTML5, CSS3
- 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
skills-
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Good understanding of HTML5, CSS3 concepts
- Thorough understanding of React.js and its core principles
- Experience with popular React.js workflows (such as Flux or Redux)
- Familiarity with newer specifications of EcmaScript
- Experience with data structure libraries (e.g., Immutable.js)
- Familiarity with RESTful APIs
- 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.



