Fullstack Developer

Role Overview

We are looking for a Senior Full Stack Developer to build and scale our fintech platform. You will own the entire lifecycle of our financial products, from designing high-performance relational schemas in PostgreSQL to building interactive dashboards in React.

Key Responsibilities

• Full Stack Development: Build and maintain end-to-end features using the PERN stack

(PostgreSQL, Express.js, React, Node.js).

• Database Optimization: Design complex relational models and optimize SQL queries to

handle high-volume financial data and audit trails.

• Security & Compliance: Implement rigorous security measures (e.g., JWT, OAuth, data

encryption) and ensure the platform adheres to fintech standards like PCI-DSS.

• API Architecture: Develop robust RESTful APIs to integrate with third-party banking APIs,

payment processors (Stripe/Plaid), and KYC providers.

Technical Requirements

• Front-end: Advanced proficiency in React.js (Hooks, Context API, Redux or TanStack Query)

and modern CSS (Tailwind/Styled Components).

• Back-end: Expert-level Node.js and Express.js experience, with a focus on asynchronous

programming and secure API design.

• Database: Deep knowledge of PostgreSQL (complex joins, indexing, triggers, and

migrations).

Additional skills

• Understanding of Event-Driven Architecture (using AWS SQS/SNS or Kafka).

• Familiarity with SOC2 or ISO 27001 compliance frameworks.

• Cloud (AWS): Proven experience with:

• RDS/Aurora for managed databases.
• IAM for secure access management.
• AWS Lambda & API Gateway for serverless architecture.
• CloudWatch for monitoring and alerting.

• Tools: Git, Docker, and experience with CI/CD workflows.

About US

RJ Fintech Solutions Pvt. Ltd. is a high-growth fintech startup on a mission to automate business financial operations. In a world where financial systems are often slow and opaque, we are building the "missing link"—a secure, transparent, and lightning-fast platform that puts banking and compliance first for various corporates.

We are not just another financial app; we are an engineering-first company. We believe that elegant code and robust architecture are the foundations of trust. By leveraging the PERN stack and AWS cloud-native infrastructure, we are replacing legacy complexity with modern, scalable solutions.

Why Work With Us?

1. Build the Foundation, Not Just Features

You won't be a small cog in a massive machine. As an early member of our engineering team, you will help define our technical architecture, choose our libraries, and set the coding standards for everyone who follows. Your fingerprints will be on the core DNA of our product.

2. Solve Problems That Matter

Fintech is one of the few industries where code has a direct, measurable impact on people's lives.

Whether we are [e.g., simplifying cross-border payments, democratizing investment, or building the next generation of credit], you will be solving high-stakes challenges around security, trust, and financial inclusion.

We are a forward-thinking company Hookux seeking a skilled Full Stack Developer to join our team. You will work on a variety of exciting projects that require problem-solving, innovation, and scalability. One such project is, a stock market and crypto investing simulation platform that teaches children financial skills through gamified competition.

Key Responsibilities:

• Develop and maintain robust, scalable, and efficient front-end and back-end systems.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Design and implement API endpoints and server-side logic.
• Work closely with the design and product teams to ensure the technical feasibility of UI/UX designs.
• Optimize the application for maximum speed and scalability.
• Write well-documented, clean code.
• Troubleshoot and debug applications.
• Stay up-to-date with emerging technologies and industry trends.

Technical Skills & Experience:

• Proficient in JavaScript/TypeScript, with expertise in React.js for front-end development.
• Strong experience with Node.js, Express.js, or other backend technologies.
• Familiarity with database technologies such as MongoDB, PostgreSQL, or MySQL.
• Experience with RESTful APIs and third-party integrations.
• Knowledge of cloud platforms like AWS, Azure, or Google Cloud.
• Proficient in version control (e.g., Git) and collaboration tools.
• Experience with agile methodologies and continuous integration/deployment (CI/CD).

Bonus Skills:

• Experience with React Native for mobile app development.
• Familiarity with blockchain technology or cryptocurrency-related platforms.
• Experience with containerization (e.g., Docker, Kubernetes).
• Knowledge of testing frameworks and tools.

Qualifications:

• Bachelor's degree in Computer Science, Engineering, or related field (or equivalent practical experience).
• years of experience in full stack development.
• Ability to manage multiple priorities and work independently as well as in a team environment.

Benefits:

• Competitive salary and performance bonuses.
• Opportunities for career growth and learning.
• Flexible working hours and remote working options.

mail me your CV and portfolio at hr @ hookux.com

We are seeking a highly skilled and experienced MERN (MongoDB, Express.js, React, Node.js) Stack Developer to join our dynamic development team. As a MERN Stack Developer, you will be responsible for designing, developing, and maintaining scalable web applications using the MERN stack framework.

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Expertise in backend programming with Node.js and MongoDB.
• Experience with React.js and redux.
• Material UI and 3rd party libraries.
• Experience with clean code writing practices like avoiding callback hell like promises, async.
• Thorough understanding of Node.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 builds pipelines and tools.
• A knack for benchmarking and optimization.
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial).

Responsibilities:

• Build Node.js APIs using microservices.
• Rewriting backend code with microservices architecture & Unit tests.
• Developing new user-facing features using React.js.
• 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.
• 
  

Rescale Technologies (A Fincash Group Venture), brain child of three IIT Mumbai alumnus is a tech leader which enables businesses to navigate through technological transformation globally. Rescale has played pivotal role's mergers and acquisitions of numerous brands. (https://rescaletechnologies.com/)

Our USP is Creative Technology, we have a new age of imagination and a brilliant team who are compassionate about success. Here is your chance to ride with us:

Designation: Full Stack Developer

Experience: 2 + years

Education: B.E/B.Tech

Location – Lodha iThink, Palava Dombivali

Job description:

Hands-on experience in Angular or React, node js, Elastic

Knowledge of HTML\Web Development, Networking

Basic knowledge of Programming languages is required.

Good Knowledge of SQL/ RDBMS

Fast learner and desire to learn new technologies to keep up with market trends

Produce clean, efficient code based on specifications.

1. Strong fundamentals OOPS concepts, Exception Handling, Coding Standards, Logging

2. Creating custom, general use modules and components which extend the elements and modules of core Angular. 

3. Creating configuration, build, and test scripts for Continuous Integration environments

4. Communicating with external web services and processing data

5. Experience with offline storage threading and performance tuning

6. Review code and maintain the code quality and suggest best practices

7. Knowledge and experience on data science and programming languages

8. Demonstrable abilities to optimize code. Strong analytical skills for effective problem solving

What you will be working on?

You'll be a part of the core team and will be working with the founders in building and iterating upon the core product.

How you can grow with us?

• Will be working on the bleeding edge technologies of IoT which are not usually accessible to software engineers.

• Will get exposure to IoT Hardware and Industrial Infrastructure.

• Will get to deliver on-time, quality software in the challenging domains of Energy/IoT/Automation.
  
  

We appreciate the following traits!

• Will be dealing with the web app, mobile app, frontend, backend, etc. So, you need to be flexible in getting the work done.

• Need not be proficient in all of these but you can trump any of this by being a quick learner and a hard worker.

• Should be familiar with the transition from the development phase to the deployment phase.