Full Stack Developer Front end (nextjs)

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.

Position Overview

We're seeking a skilled Full Stack Developer to build and maintain scalable web applications using modern technologies. You'll work across the entire development stack, from database design to user interface implementation.

Key Responsibilities

• Develop and maintain full-stack web applications using Node.js and TypeScript
• Design and implement RESTful APIs and microservices
• Build responsive, user-friendly front-end interfaces
• Design and optimize SQL databases and write efficient queries
• Collaborate with cross-functional teams on feature development
• Participate in code reviews and maintain high code quality standards
• Debug and troubleshoot application issues across the stack

Required Skills

• Backend: 3+ years experience with Node.js and TypeScript
• Database: Proficient in SQL (PostgreSQL, MySQL, or similar)
• Frontend: Experience with modern JavaScript frameworks (React, Vue, or Angular)
• Version Control: Git and collaborative development workflows
• API Development: RESTful services and API design principles

Preferred Qualifications

• Experience with cloud platforms (AWS, Azure, or GCP)
• Knowledge of containerization (Docker)
• Familiarity with testing frameworks (Jest, Mocha, or similar)
• Understanding of CI/CD pipelines

What We Offer

• Competitive salary and benefits
• Flexible work arrangements
• Professional development opportunities
• Collaborative team environment

Job Title: Full Stack Developer

Company: Just Gold LLC

Location: Remote

Experience: 1-5 years

Job Description:

We're seeking a highly skilled Full Stack Developer to join our team at Just Gold LLC. As a Full Stack Developer, you'll be responsible for designing, developing, and maintaining our web and mobile applications using a range of technologies, including Node.js, MongoDB, React Native, React.js, Next.js, Java, AWS, Tailwind CSS, HTML/CSS, and JavaScript.

Responsibilities:

- Develop high-quality, scalable, and maintainable code for our web and mobile applications

- Collaborate with cross-functional teams to identify and prioritize project requirements

- Design and implement new features, components, and functionality

- Troubleshoot and resolve technical issues

- Participate in code reviews and contribute to the improvement of the codebase

- Stay up-to-date with industry trends and emerging technologies

Required Technologies:

- Node.js

- MongoDB

- React Native

- React.js

- Next.js

- Java

- AWS

- Tailwind CSS

- HTML/CSS

- JavaScript

Requirements:

- 1-5 years of experience in full-stack development

- Strong proficiency in JavaScript and its ecosystem

- Experience with Node.js, MongoDB, and React.js

- Familiarity with React Native and Next.js

- Knowledge of Java and AWS

- Understanding of front-end development principles and best practices

- Experience with version control systems (e.g., Git)

- Excellent problem-solving skills and attention to detail

- Strong communication and collaboration skills

Nice to Have:

- Experience with agile development methodologies

- Familiarity with containerization (e.g., Docker)

- Knowledge of cloud-based services (e.g., AWS Lambda)

- Understanding of security best practices and compliance

What We Offer:

- Competitive salary and benefits package

- Opportunity to work on exciting projects with a talented team

- Flexible remote work arrangement

- Professional development opportunities

- Collaborative and dynamic work environment

Preferring candidates from Ahmedabad / Bangalore specifically!

Thence is searching for a highly skilled and motivated individual who is enterprising and eager to make a significant impact in the service space by enabling exceptional products. The ideal candidate should have a robust technical background, outstanding leadership skills, and a proven track record of managing complex technical projects. Moreover, this role includes consideration for a Partner role after completing one year with Thence, accompanied by sizeable equity.

Reporting directly to the COO, you will have the opportunity to shape the direction of the company's growth by delivering digital products to clients across various verticals like healthcare, hospitality, manufacturing, etc.

If you are a motivated individual with a passion for driving business growth and creating lasting client partnerships, we encourage you to apply for this exciting opportunity to join our dynamic team at Thence.

Duties & Responsibilities

• Developing digital products, applications and minimum viable product (MVP), including defining the overall architecture and system design to meet business requirements.
• Enabling our client to select the appropriate technology stack, considering factors such as scalability, performance, security and maintainability.
• Designing and configuring the infrastructure to support the software application.
• Choosing the development toolkit, frameworks and libraries best suited based on business and project's needs.
• Crafting and executing database designs, ensuring data integrity, performance and scalability.
• Enhancing and optimising application architecture to improve efficiency, reliability, and scalability.
• Ensuring application scalability to handle increased user loads and data volumes effectively.
• Upholding quality assurance standards through code reviews, testing and continuous integration practices.
• Ensuring IP security by implementing robust authentication, authorisation and encryption mechanisms.
• Exploring and integrating new technologies to enhance the software's capabilities and keep it up-to-date with industry trends.
• Developing the startup's strategic resource allocation plan, including budgeting for technology investments and staffing needs.
• Ensuring efficient utilisation of technologies by optimising resource allocation and minimising waste.
• Assessing and integrating new systems and infrastructure to support the evolving needs of the organization.
• Deliver digital products to clients across various verticals, including healthcare, Fintech, hospitality, manufacturing, etc.
• Building, attracting and mentoring talented developers to foster a culture of learning, innovation and collaboration within the team.
• Collaborating closely with the sales team to ensure effective communication and strategic positioning of technology solutions, while continuously refining sales pitch strategies based on feedback and market trends to maximize success rates and drive revenue growth.
• Defining, managing and evaluating team members based on goals and performance metrics, providing status updates to the leadership team on a bi-weekly basis.
• Identifying process gaps and development inefficiencies within the organisation and defining and driving Standard Operating Procedures (SOPs) to address these gaps effectively.
• Generate business opportunities from existing clients and collaborate with the business team to convert new business.
• Work towards achieving annual and quarterly revenue targets.

Skills Required

• Strong business acumen, with the ability to make strategic decisions and take ownership of account growth, revenue and outcomes.
• Strong technical background with experience in managing complex technical projects encompassing diverse realms such as Web, Mobile, Applications (Apps), Augmented Reality/Virtual Reality (AR/VR), Artificial Intelligence (AI), and Machine Learning (ML).
• Extensive experience in establishing and refining processes and Standard Operating Procedures (SOPs) aimed at measuring and enhancing the quality and efficiency of development capabilities. This includes implementing frameworks to assess performance metrics, optimise workflows and drive continuous improvement across the development lifecycle.
• Excellent leadership skills and the ability to inspire and motivate teams.
• Proven track record of driving business growth and creating lasting client partnerships.
• Enterprising and adept at handling clients effectively.

Qualifications

The ideal candidate will be an inspiring and confident team player with:

• Bachelor's or Master's degree in Computer Science, Engineering or related field and/or significant relevant work experience
• Minimum of 4+ years of proven agency experience in software development projects.
• Experience in leading a team of highly skilled developers, engineers, and testers
• working on multiple client projects
• Experience managing products and projects, and delivering large scale technical solutions on time and on budget
• Excellent communication, interpersonal, and negotiation skills, with a track record of managing stakeholder expectations effectively.
• Familiarity with Agile methodologies and project management tools
• Experience with cloud-based technologies and infrastructure, microservices, and serverless architecture

Additional Opportunities:

After completing one year with Thence, high-performing individuals will be considered for a Partner role, with the potential for substantial equity ownership in the company.

 1.Experience in proper MERN Stack

 2.In depth knowledge of Node JS, Angular JS, MongoDB 

 3.Experience in implementing applications using AngularJS.

 4.Experience in creating front end applications using HTML 5, Angular JS, LESS/SASS 

 5.Javascript experience both on client as well as on server side

 6.Experience with MVC and MVVM design patterns

 7.Good experience with multiple third party API's integration

 8.Experience in MongoDB scaling and optimization

 9.Experience with cloud technologies AWS Lambda & EC2 setup

 10.Experience in creating RESTful based web services in JSON & XML

 11.PLUS to have additional experience in Angular 2+/

 12.Added experience in MySQL optimisation would be a great plus 

 13.Good communication, analytical and logical skills to understand and work with any kind of project requirements independently

Hurry Upp!!! We are Hiring Full Stack Developer

We are looking for a highly 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.

Full Stack Developers will be required to see out a project from conception to final product, requiring good organizational skills and attention to detail.

Full Stack Developer 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.

Who We Are:

Polosoft helps brands solve complex challenges through our integrated development and services offering. Headquartered in Bhubaneswar with offices in Delhi & USA, our teams are connected by a set of core values that inform everything we do, from how we hire to how we work together: values like Everyone Matters, No Silos, and Masters of Our Craft.

At Polosoft, we are creating a new model for a new age client, and we are obsessed with measured impact. We combine digital, analytical, and creative capabilities with industry knowledge and experience. That means clients can bring us their biggest challenges, knowing we have what it takes to bring a new business vision to life.

Polosoft is growing fast; hence an entrepreneurial mind-set and the ability to multitask would be highly desired.

We are Looking For:

As a Full Stack Developer, you are constantly leveraging your technical skills and creativity. You have mastered front-end and back-end development, creating reliable, lightweight, malleable, and high-performing web & enterprise applications. You are fluent in core PHP and at least 1 MVC framework from Laravel and Codeignitor, comfortable using CLI in Unix/ Linux server environments. You are technologically agnostic, genuinely enjoy experimenting with new frameworks, and closely follow changes across the tech landscape.

This role is perfectly suited for people that love to learn because it requires you to continuously update your skillset and technical abilities. Staying up to date on new development tools, programming techniques, and industry trends is also part of the job. If you’re someone who loves logic and problem solving, then We are looking for You.

What You Will Do

• No day is the same - you will create technical designs that support varying client requirements.
• You will design and develop full-stack web applications using the latest web technologies, primarily Angular js and React js, Express js
• Write code that passes unit tests and withstands an agile and test-driven development environment.
• Leverage your skills in industry standard tools to deliver weekly code releases.
• You’ll work in a ‘no silos’ environment, frequently collaborating with global teams and roles across the organization.

Who You Are

Requirements

• You can build products from scratch.
• You have expertise in any one of the back-end frameworks (PHP 5.x/7.x with XAMP/LAMP Environment, Laravel, Codeigniter PHP web framework, Node js, Express js, etc.)
• You are fluent in these languages - PHP, Javascript, NodeJS
• You have Strong knowledge of Ui and UX

• You have dabbled in these front-end tools - HTML 5, Bootstrap 3.0/4.0, CSS 3.0, React js,Node.js Angular JS, JQuery
• You understand when to use NoSQL ( Mongo DB) vs. relational database (MySQL)
• You are comfortable to use any of the web services (REST/ SOAP/ XML)
• You are comfortable to use ecommerce tool like magento 1 and 2, Woocommerce,prestashop and other CMS tool like wordpress (plugin building),drupal  and Joomla
• You preferably have experience in working with GIT, SVN or similar SCM tools
• You must have done one of this payment gateway integration - Paypal/ Stripe/ Razor pay
• You are comfortable working up and down the stack.
• You can convert ideas into designs and build them out

Seniority Level

Mid-level 2-4 Years of Experience

CTC : 3 – 6 LPA

• Good hands-on and experience in Ruby on Rails, NodeJS and React/Angular/VueJs
• Knowledge of an SQL Database like MYSQL, Postgres.
• Basic Knowledge of programming in basic data structures and algorithms.
• You should have good experience working with relational and non-relational databases. We use Postgres and Cassandra.
• Good knowledge of version management with git.
• Awareness of TDD.
• CI/CD knowledge would be a huge advantage
• Will to design and maintain large scale distributed systems.