DATABASE ADMINISTRATOR

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 Data Scientist/Machine Learnings/ AI Engineer Profile

Mandatory (Experience 1) – Must have 2+ years of hands-on experience as a Data Scientist or Machine Learning Engineer building ML models

Mandatory (Experience 2) – Must have strong expertise in Python with the ability to implement classical ML algorithms including linear regression, logistic regression, decision trees, gradient boosting, etc.

Mandatory (Experience 3) – Must have hands-on experience in minimum 2+ usecaseds out of recommendation systems, image data, fraud/risk detection, price modelling, propensity models

Mandatory (Experience 4) – Must have strong exposure to NLP, including text generation or text classification (Text G), embeddings, similarity models, user profiling, and feature extraction from unstructured text

Mandatory (Experience 5) – Must have experience productionizing ML models through APIs/CI/CD/Docker and working on AWS or GCP environments

Mandatory (Company) – Must be from product companies, Avoid candidates from financial domains (e.g., JPMorgan, banks, fintech)

Job Title: 3D Developer (C#) 

Experience: 2–3 Years 

Job Type: Full-Time 

Job Summary: 

We are seeking a passionate and skilled 3D Developer with 2–3 years of experience in C# development and 3D graphics programming for web and desktop platforms. The ideal candidate will have hands-on experience with 3D engines, rendering techniques, and interactive graphics applications. 

Key Responsibilities: 

• Design, develop, and maintain 3D applications for web and desktop platforms using C#. 
• Implement real-time rendering techniques and optimize performance across platforms. 
• Integrate 3D models, animations, and assets into interactive environments. 
• Collaborate with designers, artists, and other developers to deliver immersive user experiences. 
• Debug and troubleshoot issues related to graphics, performance, and cross-platform compatibility. 
• Stay updated with the latest trends in 3D development and contribute to innovation. 

Required Skills & Qualifications: 

• Bachelor’s degree in Computer Science, Game Development, or related field. 
• 2–3 years of professional experience in C# development. 
• Strong understanding of 3D graphics concepts (geometry, lighting, shading, textures). 
• Experience with 3D engines such as Unity3D, Unreal Engine, OpenGL, DirectX, or WebGL. 
• Familiarity with cross-platform development tools and frameworks. 
• Knowledge of asset pipelines and 3D modeling tools (e.g., Blender, Maya, 3ds Max). 
• Good problem-solving skills and attention to detail. 
• Ability to work independently and in a team environment
• Experience with Web Assembly or Emscripten for web-based 3D applications. 
• Exposure to AR/VR technologies. 
• Knowledge of shaders and GPU programming. 
• Familiarity with Agile development methodologies.

We are seeking a Python Full Stack Developer Intern with a passion for coding and learning to join our team. This role offers an excellent opportunity to work on both backend and frontend technologies in real-world projects.

Responsibilities:

• Develop and maintain web applications using Python and relevant frameworks (e.g., Django, Flask).
• Build responsive front-end interfaces using HTML, CSS, and JavaScript (React/Angular is a plus).
• Collaborate with team members to design and implement features.
• Debug and troubleshoot application issues.
• Assist in writing APIs and integrating third-party services.
• Document code and processes for seamless project management.

Requirements:

• Basic knowledge of Python and web frameworks like Django or Flask.
• Familiarity with front-end technologies (HTML, CSS, JavaScript).
• Understanding of databases (MySQL, PostgreSQL, or MongoDB).
• Strong problem-solving skills and a willingness to learn.
• Exposure to Git and version control is a plus.

Responsibilities

• Understands aspects of Agile methodology in terms of Product Quality.
• Defect tracking tool like JIRA, Bugzilla etc.

Requirements

• Experience in Programming any language, preferably Java, OOPS concepts.
• Experience in API testing (Web Services), Web testing, Android and iOS Apps.
• Experience in writing SQL queries and exposure to MySQL DB, Mongo DB (good to have).
• Experience in Eclipse, IntelliJ, JUnit, Maven, TestNG, POI and respective open source tools.
• Experience in Selenium Web Driver for automation of Web and App.
• Experience in at least two design patterns.
• Experience in Apache, Tomcat and Unix/ Linux.
• Experience analytical, problem solving and communication skills.
• Good to have Jenkins exposure for CI/CD pipeline.
• Good to have Security, and Jmeter Performance testing experience.
• Must have good communication skill and should be a good team player with go getter" attitude.
• Good to have ISTQB certification.
• Should be from either of B.E., B.Tech, M.Tech, MCA background.
• Experience in Rest assured
• Skills: API Testing with Rest Assured