Full Stack Engineer

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

Experience: 2–5 Years

Location: Mumbai – Chembur West (Onsite)

Job Summary

We are looking for a Full Stack Developer with strong hands-on experience in React.js and Node.js to build scalable, secure, and high-performance web applications. The ideal candidate should be comfortable owning features end-to-end, developing responsive UI, building REST APIs, integrating databases, and supporting production systems.

Key Responsibilities

• Build responsive UI using React.js, HTML5, CSS3, JavaScript (ES6+)
• Develop scalable backend services and RESTful APIs using Node.js (Express.js / NestJS)
• Work with MongoDB and MySQL (schema design, indexing, query optimization)
• Implement authentication & authorization using JWT , RBAC , Oauth
• Integrate third-party APIs, Webhooks
• Build real-time features using Socket.io / WebSockets
• Ensure performance, scalability, and security (validation, sanitization)
• Implement caching using Redis (if applicable) and optimize API response times
• Support API testing (Postman/Supertest)
• Maintain API documentation using Swagger / OpenAPI
• Debug and resolve defects, handle RCA, and support production troubleshooting with logs/monitoring
• Follow Git-based workflows, participate in code reviews, and collaborate with QA/product teams in Agile delivery

Mandatory Skills

• React.js, Node.js, JavaScript (ES6+)
• MongoDB (must), MySQL
• REST API development & integration
• Socket.io / WebSockets, Webhooks
• HTML5, CSS3
• Git
• Typescript, Express.js / NestJS
• jQuery / AJAX (basic / legacy support)

Good to Have

• Redis, Swagger/OpenAPI
• Docker, CI/CD (GitHub Actions/Jenkins)
• Cloud exposure (AWS/Azure/GCP)

Qualification

BE / BTech / MCA / MSc IT / BSc IT with 2–5 years relevant experience.

CTC: As per industry std.

Job description

Copperchips is hiring full-stack spring boot developers with hands-on experience in the underneath

• Spring Boot
• AngularJs 
• Spring Data jpa
• Hibernate
• SQL
• Postgres
• Rest API

Additionally, knowledge on the underneath technologies will be a plus

• Experience in Angular.Js is a big plus
• Cloud Environments preferably AWS. GCP / Azure would also work
• Knowledge of GIT/Bitbucket, and other version management tools is a must
• Queueing frameworks, Webhooks and Event Driven Development
• CI/CD implementation using Jenkins / bamboo
• You will be responsible for
• Designing/architecting application features/modules
• Develop, build, test, and deploy software product features by adopting industry best practices
• Preparing technical documentation. Translating BRDs into FRD's. Decomposing requirements into logical work breakdown structure
• Pro-actively propose solutions and strategies to business challenges

Skills for Success

• A quick learner with good written and oral communication skills
• Should be able to take new initiatives and ownership of tasks
• Must have the ability to work independently with little to no supervision
• Must be flexible to work in a multi-shift environment
• Candidate should be willing to travel onsite for short/long-term assignments

About Us

UnScript.AI is a Deep-Tech company with a focus on creating highly engaging interactive videos solving conversion and engagement problems leveraging the most recent breakthroughs in Artificial Intelligence.

Responsibilities:

Full Stack Engineers at UnScript.AI are involved in all parts of the product life cycle: idea generation, design, planning, execution, and shipping. On day-to-day work, we create reliable, scalable and highly performant systems. A commitment to teamwork, hustle and good communication skills are our key requirements. As Full Stack Engineer, you will lead end-to-end development of modules with complete ownership of design, planning, coding & delivery.

• The Software Development Engineer's core responsibilities include working on highly maintainable and unit-tested software components/systems that address real-world problems.
• Ensure quality at every level be it problem-solving, design, code or bug fixes.
• Should be able to collaborate with product managers, architects and other stakeholders to ensure smooth execution of sprints.
• Own and unblock users on production issues, able to troubleshoot and fix production issues on priority.

SKILL SETS REQUIRED: Kubernetes, AWS/any other cloud, NodeJS, JavaScript, React/Next, Design thinking, API Framework

REQUIRED QUALIFICATIONS

• B.Tech or higher in Computer Science from a premier institute. (We are willing to waive this requirement if you are an exceptional programmer).

• You are a strong coder, Love to explore multiple languages and tech stacks; We are language-agnostic, and we love people who like to explore multiple stacks. We’re looking for people who can write clean, effective code.

• Building scalable & performant web systems with clear focus on reusable modules.

• You are comfortable in a high paced environment and can respond to urgent (and at times ambiguous) requests

• Ability to translate fuzzy business problems into technical problems & come up with design, estimates, planning, execution & deliver the solution independently.

Follow Agile development model to incrementally build out the applications with regular reviews with Product

• Knowledge in AWS would be great to have.

• Ability to work with databases, data pipelines.

About Us:

UnScript is a deep tech startup that builds powerful SAAS tool to generate videos using AI. UnScript was founded by distinguished alums from IIT, with exemplary backgrounds in business and technology. UnScript has raised two rounds of funding from global VCs with Peter Thiel(Co-founder, Paypal) and Ried Hoffman ( Co-founder, Linkedin) as investors. 

The Team:

Unscript was started by Ritwika Chowdhury. Our team brings experience from other foremost institutions like IIT Kharagpur, Microsoft Research, IIT Bombay, IIIT, BCG etc. We are thrilled to be backed by some of the world's largest VC firms and angel investors. 

Roles and Responsibilities:

·         Design and implement scalable web applications and platforms using technologies such as Typescript, NestJS, Angular, NodeJS, ExpressJS, TypeORM, and Postgres

·         Good understanding of web and REST API design patterns

·         Experience with AWS technologies such as EKS, ECS, ECR, Fargate, EC2, Lambda, ALB will be an added advantage

·         Hands-on experience with unit test frameworks like Jest

·         Good working knowledge of JIRA, Confluence, Git

·         Basic knowledge of Kubernetes and Terraform for infrastructure as code

·         Basic knowledge of Docker compose and Docker

·         Strong understanding of microservices architecture and ability to implement components independently

·         Proven track record of problem-solving skills

·         Excellent communication skills

Roles and Responsibilities:

• Understand product requirements and be able to quickly turn around a functional prototype for internal review and further refinement.
• We are currently using MERN & Flutter technology for our product. You should be acquainted to this tech stack or should be able to grasp immediately.
• Develop API based architecture in order to ensure the business growth and integrational capabilities of product.
• Designing and developing REST APIs using MongoDB with its Security compositions
• Develop the Mobile UI / Back-end features using Flutter / Dart programming language.
• Creating and configuring EC2 instances and securing a connection with MongoDB Cloud database
• Should be adapt to version control systems like GIT / GITHUB

• Writing well-designed, stable and efficient code
• Building reusable components and libraries for future
• Troubleshooting and debugging to optimize performance
• Providing code documentation and other inputs to technical documents
• Participating in code reviews
• Troubleshooting and bug fixing
• Identifying bottlenecks and improving software efficiency
• Collaborating with the design team on developing micro-services

• Design and construction of platform with the best possible encryption and security mechanisms
• Compare different design options and take technology-driven design decision
• Define Data model/Information model
• Define services and convert functional requirements to design
• Define APIs and implement them
• Build front end based on user experience design
• Test and Debug as required
• Write Technical Documentation
• Optimize code and design for Performance
• Design and implementation of continuous integration and deployment pipelines

Expected Qualifications and Key Skills

• Working experience in Spring, Spring-boot or equivalent, Hibernate or equivalent persistence framework.
• Working experience of No SQL databases such as MongoDB or equivalent
• Working experience of setting up Production environment including SSL certificates, logging, backup, archival, etc.
• Working experience of JavaScript frameworks such as React JS, JQuery, etc.
• Working experience of API gateways and Web services such as REST
• Working experience of using GIT
• Working experience of a dev-ops tool such as Jenkins
• Deployment experience on Azure/AWS
• Microservices design and development
• Excellent understanding of Data Structures and Algorithms
• Understanding of OOP and Design Patterns
• Works well in a team setting
• Can multitask, adapt to shifting priorities, detail-oriented
• Good work ethic, including a sense of individual responsibility
• Comfortable working on changing requirements in a growing company
• Must be analytical, flexible, innovative, and self-motivated
• Experience with payment platforms and processors would be a plus

• 5+ years of experience participating in the delivery of technology services.
• A proven ability to learn new applications & innovate in technology
• Strong Experience in technologies like Node, Webservices and Microservices
• Experience with cloud components and services and containerization technologies is desirable
• Exposure to ReactJS mandatory
• Experience working with multiple types of datastores: Mongo DB, SQL
• Experience in integrating, designing and developing solutions is desirable
• Experience with CI/CD and TDD is desirable
• Frameworks - Express , Hapi , feathers
• Strong knowledge in Javascript

Responsibilities

Work with dev teams and manage projects.

Plan with security and data protection as a foreword thought.

Build real-time and near real-time web applications with video/audio streaming.

Provide budgets and cost estimations for projects and server/service costs.

Design and develop client and server-side architectures.

Build front-end apps on React, Vue. You should be an expert at React.

Develop and manage database

Plan and write APIs

Test software to ensure responsive and efficiency

Write technical documentation

Requirement

5+ years experience

Front-end - React, Vue, Angular ( Expert in React and Angular)

Backend - Go-lang, Python, nodeJS, ( Must have working knowledge of atleast any of the two

programming languages)Framework: Django, Express JS

Misc - Linux, AWS, Deployment, Docker( Mandatory)