Technical Lead

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.

- Good understanding of NODE JS back-end development

- Strong understanding of Node.js and frameworks available for it

- Understanding of front-end technologies, such as React/Angular, HTML and CSS3
-Solid understanding of object-oriented development and design patterns.

- Good experience with AJAX, REST and JSON

- Experience with development practices such as Test-Driven Development and Continuous Integration
-Experience in Version Control Systems like GIT, Bitbucket
- Must have good problem solving and analytical skills.

- Must be a team player, having good communication skills, self-starter

- Ability to pick up new technology is needed.

Job Description:

• working on all layers of architecture Understanding the flow of code and how it interacts with different components.
• Building REST API.
• Creating technical design documents by understanding requirements, and product objectives.
• Writing effective Unit tests
• Good analytical skills and innovative mind.
• Source code management.
• Excellent communication skills.

Desired Skills

• Experience on Mern Stack (MongoDB, Express.js, React, Node.js)
• Strong understanding of JavaScript, object-oriented JS, its quirks, and workarounds•
• Strong hands-on experience in JavaScript• Strong proficiency with JavaScript or CoffeeScript depending on your technology stack.
• Good understanding of server-side CSS preprocessors such as Stylus, Less•
• Basic understanding of web markup, including HTML5 and CSS3• Good understanding of asynchronous request handling, partial page updates, jQuery, and AJAX•
• Proficient understanding of cross-browser compatibility issues and ways to work around such issues• Familiarity with JavaScript module loaders, such as Require.js and AMD•
• Proficient understanding of code versioning tools, such as SVN• Good understanding of browser rendering behavior and performance
• Key Programming Skills: MERN stack, full stack, React, Java, HTML/CSS, JavaScript, Bootstrap.
• Experience working with Rest based APIs

• Work with development teams and product managers to create software solutions.
• Design client-side and server-side architecture.
• Build the front-end of applications.
• Develop and manage well-functioning databases and applications.
• Write effective APIs.
• Test software to ensure responsiveness and efficiency.
• Troubleshoot, debug and upgrade software.
• Create security and data protection settings.
• Build features and applications with a mobile responsive design.
• Write technical documentation.
• Work with data scientists and analysts to improve the software.

Qualifications:

Degree in Computer Science, Software Engineering or relevant field.
Experience with Java, Spring, and Restful API's.
Experience with Database development (MySQL, Postgres, etc).

Proven experience as a Full Stack Developer or similar role. Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, jQuery).
Knowledge of multiple back-end languages (e.g. Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js).
Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache), and UI/UX design.
Experience with AWS or other cloud environments

A product developer manages the process of developing a product or enhancing existing products in order to meet customer expectations effectively.

Please find hereunder the details of the requirement for your consideration:

Designation: Full Stack Developer - PHP

Location: Ahmedabad

Company Website: http://www.petpooja.com ( Please go through the web link )

Responsibilities:

. Work with development teams and product managers to create software solutions

. Design client-side and server-side architecture

. Build the front-end of applications

. Develop and manage well-functioning databases and applications

. Write effective APIs

. Test software to ensure responsiveness and efficiency

. Troubleshoot, debug and upgrade software

. Create security and data protection settings

. Build features and applications with a mobile responsive design

. Write technical documentation

. Work with data scientists and analysts to improve software

Qualifications:

. Degree in Computer Science, Software Engineering or relevant field

. Experience with Java, Spring, Restful API's

. Experience with Database development (MySQL, Postgres, etc)

. Proven experience as a Full Stack Developer or similar role (0-5 years)

. Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, jQuery)

. Knowledge of multiple back-end languages (e.g. Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)

. Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache), and UI/UX design

. Experience with AWS or other cloud environments

Due to COVID-19, most of our employees are working from home. We've implemented a virtual hiring process to continue to interview candidates by phone or video and are onboarding new hires remotely. We value the safety of each member of our community because we know we're all in this together.

Petpooja is an inclusive Equal Employment Opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.

We are looking for a skilled computer programmer who is comfortable with both front and back end programming. Full Stack Developers are responsible for developing and designing front end web architecture, ensuring the responsiveness of applications and working alongside graphic designers for web design features, among other duties.

Responsibilities

• Developing front end website architecture.
• Designing user interactions on web pages.
• Developing back end website applications.
• Creating servers and databases for functionality.
• Ensuring cross-platform optimization for mobile phones.
• Ensuring responsiveness of applications.
• Working alongside graphic designers for web design features.
• Seeing through a project from conception to finished product.
• Designing and developing APIs.
• Meeting both technical and consumer needs.
• Stay up-to-date with developments in web applications and programming languages.
•  

Requirements

• 1-5 Year of Experience as Full Stack Developer.
• Proficiency with fundamental front end languages such as HTML, CSS and JavaScript.
• Familiarity with JavaScript frameworks such as Vue JS, Angular JS, React, and Nuxt.
• Proficiency with server side languages such as Java, Python, Ruby, PHP.
• Familiarity with database technology such as MySQL, Oracle and MongoDB.
• Experience working on MEAN (Angular JS, NodeJS, Express, MongoDB) and MERN Stack (ReactJS, React Native, NodeJS, Express, MongoDB).
• Optional experience of using AWS.
• Excellent verbal communication skills.
• Good problem solving skills.