Node JS Developer

Job Title : Full Stack Developer (Crypto Exchange)

Experience : 4+ Years

Location : Gurugram & Vadodara (On-site)

Role Overview :

We are looking for a Full Stack Developer with strong expertise in both backend and frontend development, along with exposure to crypto exchange systems or fintech platforms.

In this role, you will work on building high-performance, real-time trading applications, contributing to core systems like order execution, pricing engines, and wallet integrations.

Key Responsibilities :

• Design, develop, and maintain scalable backend services and APIs.
• Build and optimize responsive frontend applications for trading interfaces.
• Work on real-time systems such as order books, pricing engines, and trade execution.
• Integrate with blockchain networks, wallets, and third-party APIs.
• Ensure platform security, performance, and reliability.
• Collaborate with product, design, and DevOps teams for end-to-end delivery.
• Participate in system design, architecture discussions, and code reviews.

Required Skills & Qualifications :

• 4+ years of experience in Full Stack Development.
• Strong expertise in :
• Backend : Node.js and/or Python
• Frontend : React.js and/or Next.js
• Experience with REST APIs and microservices architecture.
• Strong understanding of databases (MongoDB, PostgreSQL, MySQL, etc.).
• Hands-on experience with Docker and cloud platforms (AWS preferred).
• Solid understanding of system design, scalability, and performance optimization.

Preferred (Good to Have) :

• Experience working with a crypto exchange or trading platform.
• Understanding of blockchain fundamentals (Ethereum, Bitcoin, etc.).
• Experience with wallet integrations and on-chain transactions.
• Familiarity with WebSockets and real-time data streaming.
• Knowledge of security best practices in fintech/crypto systems.

Why Join Us ?

• Opportunity to work on a high-impact, real-world crypto exchange.
• Build and scale systems from early-stage to production.
• Work in a fast-paced, ownership-driven environment.
• Exposure to cutting-edge blockchain and trading technologies.

About Us

Zentosys Solutions Pvt. Ltd. is a technology-driven IT services company specializing in modern web and mobile application development. We empower businesses worldwide with innovative, scalable, and efficient software solutions. Be a part of our dynamic team and contribute to building impactful digital products.

Responsibilities

• Develop, maintain, and optimize full-stack applications using modern technologies.
• Implement backend logic using Node.js, TypeScript, and frameworks like Express.js or NestJS.
• Build intuitive, responsive, and high-performance frontend applications using React.js, Next.js, or similar frameworks.
• Design and integrate RESTful APIs and ensure seamless communication between front-end and back-end systems.
• Utilize CI/CD pipelines for automated deployment and continuous integration.
• Manage and optimize cloud infrastructure using AWS services.
• Debug, troubleshoot, and ensure application reliability and performance across the stack.
• Design database schemas and manage MongoDB for efficient data handling.
• Collaborate with cross-functional teams, including DevOps, designers, and product managers, to deliver high-quality solutions.
• Stay updated with the latest technologies, frameworks, and best practices in software development.

Requirements

• Experience: 2+ years in full-stack development.
• Strong expertise in Node.js, TypeScript, and backend frameworks like Express.js, NestJS, or Fastify.
• Proficiency in frontend technologies like React.js, Next.js, HTML5, CSS3, and JavaScript (ES6+).
• Hands-on experience with CI/CD pipelines and tools such as Jenkins, GitHub Actions, GitLab CI, or similar.
• Practical knowledge of AWS services, including EC2, S3, RDS, Lambda, and IAM.
• Experience with database schema design and management using MongoDB.
• Strong problem-solving skills with a logical and analytical approach to challenges.
• Familiarity with Git for version control and collaboration in a team environment.
• Excellent communication and teamwork skills to contribute effectively in a collaborative setting.

Preferred Skills

• Exposure to GraphQL for API development.
• Knowledge of Docker and container orchestration.
• Familiarity with Serverless Framework for deploying cloud-native applications.
• Experience with testing frameworks like Jest, Mocha, or Cypress.
• Understanding of state management libraries like Redux, Zustand, or similar.
• Hands-on experience with Terraform or other infrastructure-as-code tools.

What We Value

• Problem Solvers: Professionals who can tackle challenges with creativity and precision.
• Team Players: Individuals who thrive in a collaborative, dynamic environment.
• Growth Mindset: Developers who are eager to learn, adapt, and grow with the organization.

What We Offer

• Competitive salary in the range of ₹6 LPA to ₹15 LPA based on skills and experience.
• Work on diverse and impactful projects for a global clientele.
• A culture that encourages innovation, professional growth, and skill enhancement.
• Flexible working hours and a healthy work-life balance.
• Exposure to cutting-edge technologies and tools.

Job Type: Full-time

Pay: ₹600,000.00 - ₹1,500,000.00 per year

Benefits:

• Provident Fund

Schedule:

• Monday to Friday

Education:

• Bachelor's (Required)

Experience:

• Full-stack development: 2 years (Required)

Work Location: In person

Expected Start Date: 05/02/2025

Ability to translate Wireframes and PSD Designs into functional web apps using HTML5, AngularJS, Reactjs , Node.js, Typescript and Mongodb

Binding of UI elements to JavaScript object models

Creating RESTful services with Node.js

Python or PHP knowledge will be good

Architect scalable web architectures

Work in a cross-functional team to deliver a complete user experience

Create Unit and Integration tests to ensure the quality of code

Be responsive to change requests and feature requests

Write code that is cross-platform and cross-device compatible

Ability to wear many hats and learn new technologies quickly

Qualification and Work Experience

Qualification: B.E./B. Tech/BCA/MCA

Work experience: 1- 8 years

Minimum 1-8 years of experience in Designs, develops and implementation of web-based Java applications to support business  requirements and projects.

Hands-on experience in Java and J2EE Ecosystem.

Hands-on experience in Spring boot, Hibernate and/or Struts frameworks.

Good familiarity with Object-Oriented Programming, Web services, REST, HTTP.

Strong experience with databases and MySQL.

Experience in Agile Development/Project Management, DevOps CI/CD process is a big plus.

1-6 years minimum in creating complex HTML based solutions

Detail oriented experience as a Web Developer creating Angular/React/Vue based solutions

1-6 years with Node.js and Express js

Ability to work both independently and in collaborative teams to communicate design and build ideas effectively

Experience using asynchronous RESTful services (JSON)

 Knowledge and Hands-on experience on ASP.Net, C#, MS SQL Server, Restful, C# 3.5/4.0, MVC

Desirable Skills: Excellent written and verbal communication skills. Excellent analytical and troubleshooting abilities.

Solid understanding of best practices in web application development.

Knowledge and Hands-on experience on Java, 

Exceptional attention to detail and design.

Requirements

Fluent knowledge of the latest HTML/CSS standards and best practices

Working knowledge of JavaScript, Typescript, ReactJS and Angular Working knowledge of Node.js and Express js

Solid Understanding of HTTP protocol and how server-side code is processed on the client

Understanding the nature of asynchronous programming and its quirks and workarounds Excellent hands-on experience with MongoDB , Mongo aggregation, MySQL, Ability to build REST services, Authentications, MVC applications

Excellent Object-Oriented Programming skills and ability to write modular, secure, scalable and maintainable code 

Experience with Elastic search, Redis.

Some experience with Photoshop or Sketch is a plus (creating sprites, optimizing, cutting or adjusting images)

Working knowledge of front end optimization and performance techniques

Obsession with lean, clean and organized front-end code

Cross-browser development and troubleshooting

Experience building Responsive websites for web, tablet and mobile devices

Eye for details is crucial

Able to handle multiple projects and competing deadlines

Good understanding of overall web design including basic usability, accessibility, industry standards, architecture, and navigation

Passionate about learning new technologies, take pride in code quality and a self-starter.

Exposure to AngularJS, jQuery is a plus

Experience of Groovy & Grails is a big plus.

Exposure to NoSQL databases like MongoDB is a big plus.

Experience in AWS is a big plus.

Desired Skills:

Experience with Microservices and DevOps.

Benefits :

Opportunity to work on highly challenging international projects.

Opportunity to travel & work with International clients.

Flexible and friendly work environment

Great organizational culture, focus on employee's well-being.

Work-life balance.

Be part of the best place to work for certified company

• • 3+ years of web development experience using LAMP stack or Node.js or similar web technologies 
• • Well-versed with front-end code in HTML5, CSS3, Javascript, React.js with familiarity in various frameworks and template languages 
• • Possess strong understanding of Object-Oriented Programming, especially in PHP 
• • Proficient with database design, optimization and tuning in MySQL or MongoDB 
• • Experience in design patterns, unit testing, automation techniques (Selenium WebDriver) 
• • Exposure to Amazon Web Services (EC2, S3, EBS, RDS, SQS, Redshift, etc.) 
• • Exposure to Docker and Kubernetes 
• • Exposure to collaborating tools like GitHub, JIRA, Confluence 
• • Experience in frameworks such as Symfony 2, Express.js, or proven ability to learn on the job 
• • Experience in Microservices and REST architecture 
• • Exposure to Scrum methodology and XP technical practices such as unit testing, pair programming, test-driven development, continuous integration or continuous delivery 
• • Self-motivated, fast learner, detail-oriented, team player and a sense of humor 

What is the role?

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.‍

Key Responsibilities

• Design and develop SaaS-based applications based on microservices architecture.
• Work on 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.

What are we looking for?

An enthusiastic individual with the following skills. Please do not hesitate to apply if you do not match all of it. 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, 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.

Whom will you work with?

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

We are

A fast-growing SaaS commerce company based in Bangalore with offices in Delhi, Mumbai, SF, Dubai, Singapore, and Dublin. We have three products in our portfolio: Plum, Empuls and Compass. Company works with over 1000 global clients. We help our clients in engaging and motivating their employees, sales teams, channel partners or consumers for better business results.

Way forward

• 5-7 years of relevant product design, development and testing experience
• Strong technical skills in java springboot/MVC frameworks, reactjS. API development, Cloud native solutions like lambda, azure functions is good to have.
• Database – primarily Mongo DB, Knowledge of postgres /MySQL is good to have
• DevOps - Knowledge of DevOps will be good to have
• API - Preferred experience with one of API gateway platform (Apigee, Mulesoft, Kong, WSO2)
• Good communication skills, with an ability to express and understand complex technical concepts.
• Strong analytical, problem-solving, and conceptual skills.
• Ability to work under pressure and meet tight deadlines.
• Experience of working with globally distributed teams.
• Innovative and Self learner for mentoring and problem resolutions.
• Ability to mentor and manage product teams