MERN Stack Developer

Job Title: Full Stack Developer (Node.js + React.js)

📍 Location: Gurgaon (On-site)

🕒 Experience: 5+ Years

🕒 Working Days: 5 Days(Mon-fri)

Job Summary:

We are hiring a passionate and experienced Full Stack Developer proficient in Node.js and React.js for our client. The ideal candidate should have solid experience in designing scalable systems, writing optimized code, implementing role-based access control, handling task prioritization, and building robust web applications.

Key Responsibilities:

• Design scalable user management systems with role-based access and authentication.
• Develop backend services and REST APIs using Node.js.
• Build dynamic and optimized front-end applications using React.js and Redux.
• Handle async operations, task queues, and implement retry and prioritization logic.
• Optimize React components for performance using hooks and memoization.
• Ensure secure and scalable system design with proper error handling and authorization flows.
• Apply JavaScript concepts like closures, event loop, and async patterns in real-world scenarios.
• Collaborate with DevOps for basic CI/CD and deployment processes.

Mandatory Technical Skills:

• Frontend: React.js, Redux, JavaScript (ES6+)
• Backend: Node.js, Express.js
• Authentication & Authorization: JWT, OAuth2, Role-Based Access Control (RBAC)
• Task Management: Async/Await, Promises, Retry Mechanisms
• Database: MongoDB or PostgreSQL
• Version Control: Git

Soft Skills:

• Strong problem-solving and system design skills
• Ability to work independently and in a collaborative team
• Clear communication of technical ideas
• Ownership of tasks and components end-to-end

Focus Areas:

• System Design (User Management, Fault Tolerance, Load Distribution)
• JavaScript Core Concepts (Closures, Scope, Event Loop)
• React Optimization & Hooks
• Node.js Architecture & Async Programming
• Task Prioritization and Retry Logic

Who we are?

Cybrilla is a financial infrastructure company. We are building the frontend applications & APIs from the ground up to support a variety of use cases and enable a superior digital experience for different user personas. Cybrilla's current focus is to build the underlying operating system for mutual funds.

AMCs / Fintech startups / Wealth management businesses can choose the product that works best for them to enable an awesome experience for their customers and internal stakeholders.

About the team

FPApp is a hosted UI platform to build, operate and invest in Indian wealth management instruments. Our vision is to create products for all user personas in the ecosystem, be it an investor, distributor, business team, operation, or support.

We are looking for minds that have a knack for understanding user problems, simplifying investment journeys and building meaningful products!

Responsibilities

• Own implementation of frontend functional workflows and applications for Fintech ecosystem.
• Analyse problem statements and design technical solutions which may involve building client-side API integrations or server side business logic.
• Ensure enterprise level scalability, reliability and security standards for front end workflows and applications.
• Continuously evolve ways of designing for better user experience and lead the implementation of same.

Requirements

Technical Skills

Frontend

• Hands-on experience on Typescript is a must
• Deep Expertise in Javascript - including manipulating DOM, acquaintance with newer specifications of ECMAScript
• Understanding of Javascript Tooling - Build Tools, Lint Tools, Tree Shaking. Must have basic understanding of Babel, Webpack etc.,
• Hands on Experience in breaking complex UI Components into small reusable components
• Hands on Experience in using state management using Redux and understanding of React Context
• Understanding of Patterns in Javascript

Backend

• Strong understanding of SQL.
• Hands-on experience in Node.js Applications.
• Experience with Ruby on Rails, Java would be a value add.
• Extensive background in designing, developing, testing, deploying, maintaining, and improving software.

General

• 8+ years of experience in building web and responsive apps in a customer-facing or B2B SaaS environment
• Interest in engaging with latest technologies and evaluating strategies to keep technology stack up to date
• Experience mentoring junior engineers in all aspects of planning, development and testing
• Demonstrable experience architecting scalable and cost-effective technical solutions to solve business goals
• Understanding of Git - Merging, Basing etc.,
• Experience with CI/CD pipelines - one of Github Workflows, Gitlab CI or anything else
• Experience with hosting in any of the cloud hosting providers

What’s in it for you?

• Opportunity to work on a growing product that solves unique digital use cases for the Indian wealth management industry.
• Flexible work options.
• Opportunity to solve deep domain and technology problems, for very large enterprises.
• Opportunity to work with the best brains in fintech.
• Increasing your geek quotient, by attending meetups and conferences. Yes we dig that stuff.
• Grow exponentially by working in small and transparent teams.
• Who says you can’t make friends at work, we do!

JOB DESCRIPTION

Overview - We always put our users first. We start by looking at things from the user’s perspective and end by evaluating how the solution has impacted the user.  We are looking for People who are continuously adapting to new technologies and excited to work on products that influence millions of people every day. The Android and iOS mobile applications are used by millions of people around the world and are some of India’s best known and most loved applications and we’re looking for someone to lead the engineering teams that build these apps.

Role - We are looking for a highly skilled computer programmer who is comfortable with both front and back end programming. Full Stack Developer will be required to see out a project from conception to final product, requiring good organizational skills and attention to detail. You will strike a balance between the consumers’ intent and the business’s needs.

What you will do in this role

• Developing front end website architecture.
• Translate requirements and mock-ups into fully functional features by working closely with business and product owners, creative designers and back-end developers.
• Creating servers and databases for functionality.
• Review requirements, design specifications, propose solutions and implementation.
• Work with team leads on the requirements and create estimates against those requirements.
• Deliver projects on time in an agile and continuous development environment.
• Writing tests in a client-side test framework such as Jest, Jasmine, etc.
• Designing and developing APIs.
• Monitor systems to ensure they meet both user needs and business goal.

What you should have

• 2-5 years of hands-on experience in software development and system administration.
•  Experience in Micro services, Serverless applications, Container-based applications.
•  Strong Experience on AWS cloud (Lambda, S3, Kinesis, SQS, SNS, ECS, Dynamo DB).
•  Good understanding of Devops, Apache Kafka.
•  Familiarity with JavaScript frameworks such as ReactJS.
•  Proficiency with server side languages such as NodeJS, Python and PHP.
•  Familiarity with database technology such as MySQL, Mongo DB and Dynamo DB.
•  Familiarity with Logging & Monitoring tools like Kibana, NewRelic, DataDog
• Proficiency with fundamental front end languages such as HTML, CSS and JavaScript.
• Experience with unit testing & Test Driven Development (TDD) and CI/CD.

• BE (Comp/IT), ME (Comp/IT), MCA, M.Tech, B.Tech.

OREN is a rapidly growing technology business in Sustainability Analytics and Reporting space. Our ambition is to help companies include sustainability into their core business strategies and culture.

We are looking for Fullstack Engineers (MERN) to help us in the next stage of our journey with experience in developing real-time server applications based on Node.js, Express.js, MongoDB databases. As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks, and third-party libraries. You are expected to work with the best selection of tools, libraries, and cloud platforms to deliver a high-performance, scalable, flexible, reliable, and seamlessly integrated back-end solution to be used with a variety of mobile and web-browser-based clients.

Responsibilities :

-- Design and write lots of bug-free, efficient, scalable, and reusable code

-- Design & develop full-stack modules and components and promote coding best practices

-- Develop APIs and scripts using backend programming languages like Node.js

-- Design and implementation of low-latency, high-availability, and performant applications

-- Ability to work independently with minimum supervision

-- You will have ownership of developing and maintaining various backend services that support features in our application and website

-- Integrating solutions to enterprise software and legacy software

-- Manage project priorities, deadlines, and deliverables

-- Develop and manage well-functioning databases and applications

-- Ensuring responsiveness of applications

Requirements:

- 4+ years professional software engineering experience

- Bachelor's degree in Computer Science or a related field (or foreign equivalent)

- Proven experience in high-level programming languages like Node.js and Express.js with state management tools like Redux

- Good understanding of React, Next.JS, Bootstrap, and Material UI

- Thorough understanding of modeling and scaling databases like Firestore, and SQL

- Expertise in developing micro-services based REST APIs and exposure to API Gateway (GraphQL a plus)

- Should be well-versed with collaboration tools like Git and Swagger

- Significant experience in developing high performance, distributed, and scalable applications with container deployment (Docker and Kubernetes)

- Comfortable working within GCP, AWS, Azure, or equivalent ecosystem

-Bonus point: Experience working with ML and recommendation systems

- Knowledge on open-source technologies such as NoSQL, MongoDB, Data Formats (XML / JSON), JavaScript Frameworks ReactJS, JS, JQuery, CSS, HTML5, in memory databases, Build tools like webpack.

- Preference will be given to the Immediate joiner

- Should be a team player, have a positive outlook towards challenges, and contribute to the growth of the team and company

Interview process:
1st Round - Techincal Assessment: a) Online Quiz b) Take Home Assignment
2nd Round - Joint video call discussion with Co-Founder and CTO

Oren is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, age, religion, sex, sexual orientation, gender identity or expression, marital status, domestic partner status, national origin, genetics, disability, military and veteran status, and other protected characteristics.

Job Description

• Planning with the product advancement group to finish item thoughts 
• Utilizing different programming to plan the items. Has hands on coding experience across different technology stacks. Willing to experiment & explore across technologies and identify the best suited
• Performing constant market analysis of competing products
• Testing item models to control configuration blemishes 
• Talking with delivery team to work out financially savvy producing methodology and solutions. 
• Ability to ideate, code, setup a prototype and on approval design the entire application as per business requirements.
• Complete knowledge of Full stack development. .
• As a product engineer, our Super Hero is expected to participate in all parts of development life cycle. Create user friendly, cost effective product design.
• Ability to research w.r.t features, UX, functionalities and finally testing before being rolled out.

Job Requirements

• Familiarity with all stages of product development life cycle.
• Extensive experience in writing codes, deep understanding of platform architecture, ability to design & develop solutions & knack towards problem solving.
• Deep engineering skills in various technology stacks, ability to handle big data concepts, keen to work in IIOT & machine data domain.  
• Ability to effectively present ideas & communicate with team members within & outside organization, ability to write routine reports and correspondence and ability to speak confidently & effectively before groups of customers or other Donaldson colleagues.
• We are happy to have a technology geek take this position as long as s/he is able to align the product roadmap to organization’s growth roadmap.
• Good communication and presentation skills
• Effective written and verbal skills in English Language are mandatory.
• This is a global role and the candidate may be required to travel to Smart Ship Hub’s different delivery centres.

Experience Requirements & Educational Qualification

• Atleast 5 years of proven product engineering experience. Must have: managed product life cycle, knowledge of product roadmap, extensive coding experience.
• Should be open to working in Disruptive Application Design domain, IIOT, Smart Sensors, Big data