Mean Stack 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 Product Development Company  and in Recent years as covid continues. Demand for Digitalisation of Producsts and business has shot up
• We are looking for a Full stakc Developer - Who can manage teams of Developers. Understand requirements and convert to Tech Products 
• Your Responsiblities would be 
  1. Manage Teams of Developers on Different Projects ( FrontEnd, Backend and App) 
  2. Daily Check-in with proper teams, solving/guiding  their issues and liason with Stakeholders on project status and delivery schdule 
  3. Convert / Capture requirements and Propose Archiecture, Data Flow, Database Design, API Lists involved, Pages to be developed in frontend.  
  4. Manage multiple projects  / teams of Developers 

Job Objectives:

- Integration of user- facing elements developed by front- end developers with server- side logic

- Optimize web applications to maximize speed and scale. Support diverse clients from high- powered desktop computers to small mobile devices

- Optimization of the application for maximum speed and scalability - Implementation of security and data protection

- Collaborate with senior management, operations & business team

- Building Rest APIs and maintain Database optimizations

Looking For:

- Great understanding of PHP, Node, react, Express, Socket.io, MVVM framework

- Worked on e- commerce website, server handling and deployments scripts

- The one who has worked on customer facing product for 2 years

- Strong knowledge of MERN stack

- Experience designing scalable, fault tolerant systems and databases.

TECHNICAL SKILLS REQUIRED:-

• Technical Competencies: HTML5, CSS, JS, jQuery, Angular JS, Ajax, JSON, SOAP, REST, cross browser compatibility, Responsive web design (RWD), version control, Web service integration.
• Deep knowledge of NodeJS, Angular2+ Version and MondoDB.
• Candidate should be proficient in both front-end and back-end development, including solution stacks like MEAN, and server-side technologies like Node.js.

JOB DESCRIPTION:-

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.

 He/She will be required to see out a project from conception to final product, requiring good organizational skills and attention to detail.

• We indulge in all things that would excite you!!
• Work on large-scale, custom distributed software systems using Java, Scala, Node
• MongoDB, JavaScript (AngularJS, ReactJS), and the likes
• We work almost exclusively on customer site providing a mix of delivery and consulting
• services, so you'll be flexible about travel
• Employ Agile development including task estimation, test automation, deployment automation
• and Continuous Integration to improve overall execution speed and product quality
• Work in a dynamic, collaborative, transparent, non-hierarchical, and ego-free culture where
• your talent is valued over a designation or title
• Spread the word about best practices in software development inside and outside Equal Experts community like Expert Talks

• Hands-on development and delivery experience with HTML5, CSS3, JavaScript, bootstrap,
• Hands-on experience in ReactJS & related tech stack
• A strong Javascript foundation and clear understanding of Javascript classes, prototype-based inheritance, modules, etc.
• Ability to convert the UI designs into fully functional interactive prototypes.
• Experience in PSD to Html Conversion with Responsive design
• Knowledge in developing UI software interacting/interfacing with Browsers
• Good understanding of Agile methodologies
• Awareness of current trends and best practices in the front-end community.
• Passion for software engineering and craftsman-like coding prowess
• Great OO skills, including strong design patterns knowledge
• Experience working with Agile, TDD, Lean, and/or Continuous Delivery approaches and best practices, such as Extreme Programming (XP)
• Enthusiastic to work collaboratively with people and sharing your ideas to solve real business

Looking for a Application Engineer - Fullstack. 

Job type – Full time employment

Job location – Pune

Work schedule – Monday to Friday, 10am to 7pm

Minimum qualification – Graduate.

Years of experience –  3 to 8 years
No of position - 3

Reporting to –  Technical Architect

Travel opportunities - On need basis within/outside India. Candidate should have valid passport

Roles and responsibilities:

• Work across the stack from a code commit to running it in production, with the end goal of delivering the best possible experience for the user
• Design, develop and test features from inception to rollout
• Write high quality code that is scalable, testable, maintainable and reliable
• Independently own and drive new features from scratch
• Work in an Agile environment and facilitate agile practices
• Champion best practices and cross-functional skill development
• Mentor and guide junior team members
• Cultivate talent and bring out the best in your team members
• Continuously improve by working on and providing feedback

• Experience working with NodeJS on the backend and ReactJS on the frontend
• Strong knowledge of creating scalable REST APIs
• Some experience with alternative protocols like GraphQL, GRPC, etc is preferred
• Experience with Typed programming languages like TypeScript or Flow is preferred
• Experience with frameworks like ExpressJS, NestJS, Redux, Redux Saga, Storybook etc is preferred
• Practices TDD
• Experience writing test automation
• Working experience with databases like MongoDB, Redis and Relational databases
• Strong understanding of Object Oriented Programming and/or Functional Programming concepts
• Experience with setting up and maintaining CI/CD pipelines
• Strong understanding of containerization technologies like Docker
• Experience practicing Agile software development methods is preferred.

Roles & Responsibilities:

• As one of the earliest employees, there will be a lot on your plate. All the time!
• You'll build new product features from start to finish: through conception, research, maintenance, and polish. Think features to improve our collaborative student learning platforms, such as new collaborative learning activities for teaching coding and other subjects.
• You'll build improvements to performance, reliability, and product polish — for example, improving the efficiency and performance of our replicated state systems.
• You'll build and improve processes and internal tools with simplicity and productivity in mind — such as, a tool to sync updates between Zoho, slack etc.

This might be for you if...

• You have knowledge of ReactJS and any backend technology along with that
• You have been professionally coding for at least 3 years
• You have worked in a startup and relish the chaos and pressure
• You've built and maintained quality user interfaces that have reached a large audience, ideally while the product is experiencing rapid growth.
• You can readily learn most technologies as you go. To you, technologies are about tools and tradeoffs, not an ideology.
• You care about the business implications of anything you build. You're not just going after cool stuff — you understand the balance between craft, speed, and the bottom line.