Full Stack Developer

We are looking for an experienced Full-Stack Developer to join our team, focusing on a

Vue 3 / Node.js / TypeScript stack. You will be responsible for the end-to-end development, from

designing the database to implementing cross-platform user interfaces.

Location - Mumbai/Pune

Required Experience & Skills

• Minimum of 3 years of professional experience in a similar role.
• Vue 3 & TypeScript: Expert-level proficiency with the Vue 3 Composition API and strongly typed applications.
• Quasar Framework: Preferable to have Hands on experience building responsive and performant applications using the Quasar ecosystem for web and cross-platform targets.
• Node.js: Strong ability to design, develop, and maintain secure, scalable backend
• services.
• REST APIs: Demonstrated experience in building well-documented and efficient RESTful APIs.
• MySQL: Expert knowledge of database schema design, writing optimised queries, and ensuring data integrity.
• A solid understanding of core software development principles, debugging, and performance optimization.
• Proficiency with Git for version control and collaborative development workflows.

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.

• Strong knowledge of Laravel web framework
• Strong knowledge and exp of
• We are looking for a consultant 3-4 years of experience who has experience in Laravel.

• Wordpress with WooCommerce is a must

• Understanding the fully synchronous and Object oriented Programming behavior of PHP.
• MySQL – 3 to 4 years
• Strong understanding of front-end technologies, such as JavaScript, HTML5, Jquery, Angular Js and CSS3.
• Knowledge of SOAP/XML/REST
• Familiarity with My SQL databases and their declarative query languages.
• Knowledge of object-oriented PHP programming.
• Familiarity with limitations of PHP as a platform and its workarounds.

Skills we are looking for :

- Experience in developing full-stack applications at scale in ReactJs/AngularJs & NodeJs.

- Strong knowledge and experience in HTML(5), CSS, SCSS, and Advanced JavaScript

- Good knowledge of coding RESTful APIs.

- Strong knowledge of Web Storage (Cookie, Local Storage, and Session Storage)

- Knowledge of modern authorization mechanisms, such as JWT

- Familiarity with modern front-end build pipelines and tools

- Ability to work in a lean-agile development environment.

Good to know :

- Using GIT

- Knowledge of AWS

- Familiarity with GraphQL will be a brownie point

At Qsignage, we are looking for a person who is highly passionate about technology and automation with a focus on value-driven deliverables, wants to work, learn and expand their capability into the start-up domain.

This role is a great fit for someone who enjoys technology, project management, process improvement, and fast pace environment. 

Apply to the link below and get in touch with us now!

SKILLS REQUIRED (Full Stack Developer)

• A person should have sense of ownership, hold accountability for the task allocated with a data-driven and result-driven attitude
• Have Knack over the bigger picture while building the technology with a keen eye over the minute details
• Must be experienced in HTML/CSS coding and should be confidently utilized server-side languages (Java-script, Node.js, Python, Ruby, and PHP)
• In the ability to take existing models and best practices and adapt them to our environment
• Must know agile Tools and cloud technology with frontend/backend integration
• Must know multiple systems, servers, environments, data sources, data analytics, and database management

ROLES AND RESPONSIBILITIES

• Work with development teams and product managers to ideate software and application-based solutions
• Participate in both the back-end and front-end of systems by developing a full-fledged platform from scratch to end
• Write clean, functional code and algorithms on backend and frontend 
• Troubleshoot, test, debug and upgrade software
• Manage and maintain end-to-end life cycle for the production of software and application

BENEFITS

Remote Work | Flexibility | Flat Structure | Entrepreneurial Culture

The high degree of value on Autonomy, Flexibility, Empathy, and Mobility

An awesome work culture that has an agile team with a growth mindset

• Think like a product owner
• Design and build new products and manage their delivery
• Drive culture, learning, and development of team members and of the larger org
• Mentor, motivate & ensure delivery from a small team
• Take ownership and get the job done
• Ensure the quality of deliverables

• 4-7 years of hands-on experience in the design and development of applications using NodeJs, ReactJs, MySQL, etc.
• Good architectural and design skills
• Strong coding, data structures, and algorithms
• An engineering degree preferably, from a top-tier school (or an equivalent experience)
• Proficient understanding of code versioning tools, such as Git/SVN
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Experience in Elastic Search/ Solr/ Amazon AWS
• Experience building sites to function cross-platform and cross-browser
• The ability to own end-to-end responsibility
• The role will give you an opportunity to work with a cross-functional team from Business, Product, and Design, and lead a team of 4-7 rockstar engineers.

• A team of aces, from top-tier schools and startups, to work with
• A fast-paced, data-driven, and fun work environment
• A huge appetite for new, disruptive, creative, and implementable ideas
• An open work culture

• Competitive salary
• A great working environment with an opportunity to work directly with the founders on very exciting real-life problems
• Opportunity to grow really fast.
• Opportunity to hire a team & mentor them.
• ESOPs