Tech Lead - React JS (Web) and Node JS

Position : Full Stack Developer (Node.js + React.js)

Experience : 5+ Years

Location : Gurgaon (Work From Office - 5 Days)

Notice Period : Immediate or within 7 days

Job Description :

We are looking for a highly skilled and passionate Full Stack Developer with strong experience in Node.js and React.js, and a solid understanding of Microservices Architecture.

This is a full-time, on-site opportunity based in Gurgaon, ideal for someone who thrives in a fast-paced development environment.

Mandatory Skills :

Node.js, React.js, JavaScript (ES6+), RESTful APIs, Microservices Architecture, MongoDB/PostgreSQL, Git, HTML5, CSS3, JWT

Key Responsibilities :

• Design, develop, test, and maintain scalable web applications using Node.js (backend) and React.js (frontend).
• Build and integrate RESTful APIs and Microservices in a production-grade environment.
• Participate in code reviews, architecture discussions, and performance optimizations.
• Collaborate with cross-functional teams including UI/UX designers, QA, DevOps, and product managers.
• Write clean, maintainable, and reusable code adhering to best practices.
• Ensure system reliability, security, scalability, and performance.
• Debug and resolve production issues efficiently.

Must-Have Skills :

• 5+ Years of full-stack development experience with Node.js and React.js.
• Strong expertise in JavaScript, ES6+, HTML5, CSS3, and responsive design.
• Solid hands-on experience in Microservices Architecture and containerized services (Docker, Kubernetes is a plus).
• Proficiency in RESTful API development and integration.
• Experience with databases such as MongoDB, PostgreSQL, or MySQL.
• Familiarity with version control tools like Git and CI/CD pipelines.
• Understanding of Agile/Scrum methodologies.

Good to Have :

• Knowledge of authentication/authorization mechanisms (OAuth, JWT).
• Exposure to cloud platforms like AWS, Azure, or GCP.
• Familiarity with testing frameworks such as Jest, Mocha, or Cypress.

Main duties/responsibilities

• Design & implement good quality software and databases as per the software specification.
• Participate in effort estimations.
• Participate in design discussions and own module designs.
• Effective troubleshooting of technical issues and bugs.
• Package deployment and release management.
• Provides technical support to customers.
• Provides training and guidance to the new developers and junior team members.
• Participate in Requirement discussions.
• Participate in Project related meetings if required.

Technical Knowledge

• Hands on experience in Angular ,HTML5, CSS3, JavaScript.
• Hands on experience in Node.js.
• Knowledge of how to interact with RESTful APIs and formats (JSON, XML)
• RDBMS and Document Database.
• Hand on experience in AWS services, DevOps, GIT, Agile and Jira will be an added advantage.

Experience

• 2-5 years of experience in the relevant field.

Must have extensive and in-depth knowledge and experience in developing APIs in NodeJS, HTML5/CSS/Javascript, MongoDB, Git, production application deployments. And optionally ReactJS Components/Websites/UI/UX, Redux etc.

Cloud infra management

AWS SDK, Google Maps SDK

Elastic Search engine

Mocha or any testing framework

Continuous delivery

Redis, ExpressJS, Apollo Client, PubSub

Responsibilities

Development of web applications and modules

Drafting ReactJS front ends components based on provided mock-ups.

Architecting database and REST/GraphQL APIs for front end.

Integrating multiple 3rd party SDKs including but not limited to AWS, Messagebird, Twilio, Lalamove, Google Maps etc.

Write and execute unit tests

Bug fixes, support and enhancements

UAT and Production deployments

Performance optimizations and app security implementations

Cloud infra management

Backup plans and risk mitigation techniques implementation

1. Building REST APIs using Node.js, Express, and MongoDB
2. Working on Flutter application development using various advanced strategies like state management, API integrations, and scalable databases
3. Working with Socket.io library for Flutter and Node.js product development
4. Learning and developing the cryptographic functions for product security
5. Managing product workloads on public/private cloud - we are currently on AWS & also planning to be on GCP/Azure (our platform would also be available as on-premise deployment, you will handle these deployments)
6. Develop API based architecture in order to ensure the business growth and integration-al capabilities of the product
7. Work on using GIT and CI-CD for product version control and continuous delivery

You will be responsible for architecting and developing features on the application end to end. You will be working closely with the Product Managers and the Technical architect to come up with high-quality, resilient, and highly performant applications.

• Design and develop SaaS-based applications based on microservices architecture.
• Work on the core backend and ensure it meets the performance benchmarks.
• Work on the front end with ReactJS.
• Designing and developing APIs for the front end to consume.
• Constantly improve the architecture of the application by clearing the technical backlog.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

An enthusiastic individual with the following skills. Please do not hesitate to apply if you do not match all of them. We are open to promising candidates who are passionate about their work and are team players.

• Education - BE/MCA or equivalent.
• Overall 4+ years of experience.
• Agnostic/Polyglot with multiple tech stacks.
• Worked on open source technologies – NodeJS, ReactJS, MySQL, NoSQL, MongoDB, DynamoDB.
• Good experience with Front-end technologies like JavaScript frameworks, ReactJS, and AngularJS.
• Backend exposure – good knowledge of building API.
• Worked on serverless technologies.
• Efficient in building microservices in combining server & front-end.
• Knowledge of cloud architecture.
• Should have sound working experience with relational and columnar DB.
• Should be innovative and communicative in approach.
• Will be responsible for functional/technical track of a project.

‍

You will closely work with the engineering team and support the Product Team of Plum.

A wholesome opportunity in a fast-paced environment that will enable you to juggle between concepts, yet maintain the quality of content, interact, and share your ideas and have loads of learning while at work. Work with a team of highly talented young professionals and enjoy the benefits of being at Xoxoday.

Xoxoday is a rapidly growing fintech SaaS firm that propels business growth while focusing on human motivation. Backed by Giift and Apis Partners Growth Fund II, Xoxoday offers a suite of three products - Plum, Empuls, and Compass. Xoxoday works with more than 2000 clients across 10+ countries and over 2.5 million users. Headquartered in Bengaluru, Xoxoday is a 300+ strong team with four global offices in San Francisco, Dublin, Singapore, New Delhi.

We look forward to connecting with you. As you may take time to review this opportunity, we will wait for a reasonable time of around 3-5 days before we screen the collected applications and start lining up job discussions with the hiring manager. We however assure you that we will attempt to maintain a reasonable time window for successfully closing this requirement. The candidates will be kept informed and updated on the feedback and application status.

• Mandatory Skills : Java, Springboot, Microservices.
• Basic knowlege of HTML and CSS
• good understanding of REST API designing as well as development using spring.
• Strong Hands on experience in Angular or React JS
• Effective in using frameworks.
• Proficient understanding of code versioning tools Git/bit bucket with Maven.
• hands on expereince in SQL

• Bachelor of Engineering or Masters Degree in Computer Science
• MEAN stack developer with
• Experience in software development, prototyping, functional analysis, integration, and testing.
• Experience with Javascript and RESTful technologies including building RESTful APIs
• In-depth understanding of the JavaScript programming languages especially Angular and node.js and the ability to peer review other engineer's code constructively
• Highly skilled at problem-solving, unit-testing, and debugging.
• Expert understanding of best practice engineering principles for building MEAN applications.
• In-depth knowledge of database systems and an understanding of data structures, data normalization, and query performance considerations. Particularly Non-Relational/NoSQL databases including MongoDB.
• Automated unit testing and CI experience
• Ability to effectively communicate technical concepts pictorially, orally or in writing.
• Docker experience desired
• Ability to learn business rules quickly by reading requirements, engaging in conversation, or reverse engineering.
• Expertise in source code control and versioning concepts.

Full Stack Python Engineer at Silicon Valley AI Startup

Knowledge of Node.js and frameworks available for it (such as Express, StrongLoop, etc depending on your technology stack)

Understanding the nature of asynchronous programming and its quirks and workarounds

Good with REST Api and integration of many API's in our backend

Good understanding of server-side templating languages (such as Jade, EJS, etc depending on your technology stack)

Understanding accessibility and security compliance

User authentication and authorization between multiple systems, servers, and environments
Integration of multiple data sources and databases into one system

Understanding fundamental design principles behind a scalable application

Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform

Creating database schemas that represent and support business processes
Implementing automated testing platforms and unit tests

Proficient understanding of code versioning tools, such as Git
Good Code writing skills 
Integration with Shopfy, Zoho, ERP, CRM is a plus.