Fullstack Developer | Javascript

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.

Why NxtWave

As a Fullstack SDE1 at NxtWave, you

• Get first hand experience of building applications and see them released quickly to the NxtWave learners (within weeks)
• Get to take ownership of the features you build and work closely with the product team
• Work in a great culture that continuously empowers you to grow in your career
• Enjoy freedom to experiment & learn from mistakes (Fail Fast, Learn Faster)
• NxtWave is one of the fastest growing edtech startups. Get first-hand experience in scaling the features you build as the company grows rapidly
• Build in a world-class developer environment by applying clean coding principles, code architecture, etc.

Responsibilities

• Design, implement, and ship user-centric features spanning frontend, backend, and database systems under guidance.
• Define and implement RESTful/GraphQL APIs and efficient, scalable database schemas.
• Build reusable, maintainable frontend components using modern state management practices.
• Develop backend services in Node.js or Python, adhering to clean-architecture principles.
• Write and maintain unit, integration, and end-to-end tests to ensure code quality and reliability.
• Containerize applications and configure CI/CD pipelines for automated builds and deployments.
• Enforce secure coding practices, accessibility standards (WCAG), and SEO fundamentals.
• Collaborate effectively with Product, Design, and engineering teams to understand and implement feature requirements..
• Own feature delivery from planning through production, and mentor interns or junior developers.
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Qualifications & Skills

• 1+ years of experience building full-stack web applications.
• Proficiency in JavaScript (ES6+), TypeScript, HTML5, and CSS3 (Flexbox/Grid).
• Advanced experience with React (Hooks, Context, Router) or equivalent modern UI framework.
• Hands-on with state management patterns (Redux, MobX, or custom solutions).
• Strong backend skills in Node.js (Express/Fastify) or Python (Django/Flask/FastAPI).
• Expertise in designing REST and/or GraphQL APIs and integrating with backend services.
• Solid knowledge of MySQL/PostgreSQL and familiarity with NoSQL stores (Elasticsearch, Redis).
• Experience using build tools (Webpack, Vite), package managers (npm/Yarn), and Git workflows.
• Skilled in writing and maintaining tests with Jest, React Testing Library, Pytest, and Cypress.
• Familiar with Docker, CI / CD tools (GitHub Actions, Jenkins), and basic cloud deployments.
• Product-first thinker with strong problem-solving, debugging, and communication skills.
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Qualities we'd love to find in you:

• The attitude to always strive for the best outcomes and an enthusiasm to deliver high quality software
• Strong collaboration abilities and a flexible & friendly approach to working with teams
• Strong determination with a constant eye on solutions
• Creative ideas with problem solving mind-set
• Be open to receiving objective criticism and improving upon it
• Eagerness to learn and zeal to grow
• Strong communication skills is a huge plus

Work Location: Hyderabad

Python Data Engineer

Job Description:

• Design, develop, and maintain database scripts and procedures to support

application requirements.

• Collaborate with software developers to integrate database scripts with

application code.

• Troubleshoot and resolve database issues in a timely manner.

• Perform database maintenance tasks, such as backups, restores, and migrations.

• Implement data security measures to protect sensitive information.

• Develop and maintain documentation for database scripts and procedures.

• Stay up-to-date with emerging technologies and best practices in database

management.

Job Requirements:

• Bachelor’s degree in Computer Science, Information Technology, or related field.

• 3+ years of Proven experience as a Database Engineer or similar role with python

• Proficiency in SQL and scripting languages such as Python or Js.

• Strong understanding of database management systems, including relational

databases (e.g., MySQL, PostgreSQL, SQL Server) and NoSQL databases (e.g.,

MongoDB, Cassandra).

• Experience with database design principles and data modelling techniques.

• Knowledge of database optimisation techniques and performance tuning.

• Familiarity with version control systems (e.g., Git) and continuous integration

tools.

• Excellent problem-solving skills and attention to detail.

• Strong communication and collaboration skills.

What is FCG? 

FCG, a product-based technology consulting company serving top North American clients and providing the most innovative technology solutions from the past 10 years in the domain of Utility, gas pipeline, roadways and permitting systems. We are made up of more than 50+ software professionals and researchers (and growing) who live and breathe technology. With our core principles and values, we always believed in challenging ourselves to bring out the best products and to constantly improve and invest in latest technologies such as Cloud Computing, Dev-Ops, GIS, Big Data and Analytics.

We are an STPI unit operating from IT park Bhopal with high end infrastructure and due to COVID-19 we are providing the work from home.

Why work at FCG?

FCG is on a mission to create a place where you can learn and grow, where your ideas are valued and where you can do cool things, all while contributing to the larger success of the company. At FCG we incorporate and promote a culture of creativity, innovation, and collaboration to allow everyone to do their best work every day. Our core management team aims to provide you very friendly environment with guidance at every step.

Education

Bachelor's/Master’s degree in Computer Science/ Information Technology with overall high academics.

Experience

3- 5+ years of experience as a .Net Application/Software Developer

Job Requirements

The Software Developer must be able to demonstrate the following skills and experience (either through in an internship, previous employment, or in a college project):

• Bachelor’s Degree or higher in Computer Science or equivalent field
• 3-5+ years of experience with C#, .NET 3.5 and above framework, Visual Studio 2012 and above, http://asp.net/">NETWeb Forms, and IIS 6/7; Familiarity or experience with server design/architectural patterns (e.g. Model-View-Controller (MVC)), and general Server-Side Development (e.g. ASP.Net, SQL Server, Oracle, PHP)
• Experience with SQL, JavaScript, AJAX, JSON, jQuery, HTML/HTML5, CSS/CSS3, JSON Requests, Responsive Web Development, and cross browser development is a PLUS.
• Experience in other languages such as mobile based (Objective-C, Java, Swift, etc.) is a PLUS.
• Experience with GIT, Subversion, or similar version control systems.
• Understanding of Design Patterns and Object-Oriented Concepts.
• Experience with the software development lifecycle (SDLC), including requirements analysis, development, production deployment and maintenance; Experience or understanding of working in an Agile environment

• Ability to function well in a collaborative, team-oriented environment.
• Ability to write technical documentation for internal or external developer/technical audiences.
• Applicant must possess good written and spoken English language skills (fluent or highly conversant in English).

Role & Responsibilities

Depending on current project needs, responsibilities could entail any of the following:

• Translate application storyboards and use cases into architecture concepts and pseudocode
• Design, build, and maintain efficient, reusable, and reliable C# code by writing clean, scalable code using Object Oriented Programming Principles (OOP) and our defined Development Standards guide
• Ensure the best possible performance, quality, and responsiveness of applications by identifying any observed bottlenecks and bugs, and suggesting solutions / technical alternatives to mitigate and address these issues; Make recommendations and/or changes towards the development of new code or reuse of existing code, and improve/streamline processes and systems
• Support projects through entire Software Development Lifecycle (SDLC) by participating in the requirements analysis and research gathering (R&D) process, and/or writing documentation such as technical specifications, user guides, and other forms of documentation.
• Interact with team members (end-users, testers, distributors, analysts and project/release managers) in a team-oriented fashion
• Follow software development methodologies and best practices
• Ensure system improvements and tickets are successfully implemented through following up with developers and QA team

• The candidate should expect to work in a global virtual team spread across North America and India team members, sometimes across multiple time zones.

• The candidate may be assigned to more than one role or project at a time.
• Our ideal candidate will be a self-motivated team player committed to delivering on time and should be able to work with minimal supervision.

You are required to possess good knowledge of PHP and experience in Laravel repository.

Responsibilities and Duties:

• Work alongside a broader team with a focus on Design, UX, Optimization, Back End processes, DevOps Efficiency with the goal of delivering high-quality projects using the latest tech stack.
• A keen eye for detail, along with a passion to deliver quality, customer-focused solutions is absolutely essential.
• Championing Web Development: You will be responsible for handling web development from ideation to production.
• Collaboration with product manager and other developers, owning a large part of the process from problem understanding to shipping the solution.
• Contribute best-in-class programming skills to develop highly innovative, consumer-facing web products.

Key Skills:

PHP MVC Framework Laravel, API Integration and Development, HTML5, CSS3, JavaScript, Version Control Systems, Repository Management, Basic understanding to work on AWS 

Required Experience and Qualifications:

Desired Profile:

• Great skills in PHP MVC framework Laravel.
• Extensive Experience in API integration and development is required.
• Experience in HTML5, CSS3, and JavaScript is required.
• Experienced with version control systems and repository management.
• Experience working and configuring AWS is a huge plus. but a basic understanding to work on AWS is required.
• Passionate about writing clean, efficient, and maintainable code.
• Strong analytical and debugging skills and experience building consumer systems at scale.