Lead I - Data Engineering

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.

About the Role

We’re looking for a passionate Fullstack Product Engineer with a strong JavaScript foundation to work on a high-impact, scalable product. You’ll collaborate closely with product and engineering teams to build intuitive UIs and performant backends using modern technologies.

Responsibilities

• Build and maintain scalable features across the frontend and backend.
• Work with tech stacks like Node.js, React.js, Vue.js, and others.
• Contribute to system design, architecture, and code quality enforcement.
• Follow modern engineering practices including TDD, CI/CD, and live coding evaluations.
• Collaborate in code reviews, performance optimizations, and product iterations.

Required Skills

• 4–6 years of hands-on fullstack development experience.
• Strong command over JavaScript, Node.js, and React.js.
• Solid understanding of REST APIs and/or GraphQL.
• Good grasp of OOP principles, TDD, and writing clean, maintainable code.
• Experience with CI/CD tools like GitHub Actions, GitLab CI, Jenkins, etc.
• Familiarity with HTML, CSS, and frontend performance optimization.

Good to Have

• Exposure to Docker, AWS, Kubernetes, or Terraform.
• Experience in other backend languages or frameworks.
• Experience with microservices and scalable system architectures.

 Key Responsibilities

• Design and implement ETL/ELT pipelines using Databricks, PySpark, and AWS Glue
• Develop and maintain scalable data architectures on AWS (S3, EMR, Lambda, Redshift, RDS)
• Perform data wrangling, cleansing, and transformation using Python and SQL
• Collaborate with data scientists to integrate Generative AI models into analytics workflows
• Build dashboards and reports to visualize insights using tools like Power BI or Tableau
• Ensure data quality, governance, and security across all data assets
• Optimize performance of data pipelines and troubleshoot bottlenecks
• Work closely with stakeholders to understand data requirements and deliver actionable insights

🧪 Required Skills

Skill AreaTools & TechnologiesCloud PlatformsAWS (S3, Lambda, Glue, EMR, Redshift)Big DataDatabricks, Apache Spark, PySparkProgrammingPython, SQLData EngineeringETL/ELT, Data Lakes, Data WarehousingAnalyticsData Modeling, Visualization, BI ReportingGen AI IntegrationOpenAI, Hugging Face, LangChain (preferred)DevOps (Bonus)Git, Jenkins, Terraform, Docker

📚 Qualifications

• Bachelor's or Master’s degree in Computer Science, Data Science, or related field
• 3+ years of experience in data engineering or data analytics
• Hands-on experience with Databricks, PySpark, and AWS
• Familiarity with Generative AI tools and frameworks is a strong plus
• Strong problem-solving and communication skills

🌟 Preferred Traits

• Analytical mindset with attention to detail
• Passion for data and emerging technologies
• Ability to work independently and in cross-functional teams
• Eagerness to learn and adapt in a fast-paced environment

Primary job role

Develops software/ information systems, by creating & designing sets of new functionalities and installing software solutions and play a leadership role thorough understanding of design methodologies and overall software development lifecycle. 

Main duties/responsibilities

• Involve in all stages of the software development process including requirement gathering, design, development, testing, deployment management, issue review and perform maintenance.
• Good analytical and problem-solving skills.
• Learn and maintain up to date knowledge of latest technologies, tools and platforms.
• Responsible for maintaining a high level of expertise in all areas of technology used (or potentially used) by the team.
• Produce high quality and designs by following industry best practices and coding standards.
• Communicate with clients as and when required.
• Responsible for clear communication (both written and verbal) with technical and non-technical contacts (internal and external) and all seniority levels.
• Ability to work both independently and as a part of a team.
• Work with non-technical business teams to understand the functionality, composition, and user requirements.
• Ability to achieve tasks with minimum supervision.
• Participate in estimations.
• Participate in design discussions.
• Provides technical support to customers and employees.
• Provides training and guidance to the new developers.
• Ability to play a leadership role within the team

Experience

• 4-5 years of experience in the relevant field with 1-2 year in SSE role.

Technical Knowledge

• Angular, React/Redux (or Similar Technology)
• Node.js
• RESTfull API integration
• Experience working with Docker and containerized applications
• Experience working with Kubernetes or other container orchestration tools
• Knowledge and understanding of working in AWS environments
• Experience in full stack development (with passion)
• RDBMS and Document Database
• Experience with Agile/Scrum Development Methodology
• Exposure to Continues Integration (CI/ CD)
• Version control systems like Git/ TFS

Qualifications

• Bachelor’s Degree in Computer Science / IT or an equivalent qualification.

Behavioral competencies

• Communication
• Teamwork & collaboration
• Client orientation

Expecting leads to know Angular9, React (Functional, Hooks), Nodejs(NestJS), Test Driven Development (Unit Test)/JEST, Microservice / Container ( Docker )

Minimum of 4+ years of experience in Java development

• Experience delivering Services (REST, SOAP) and Web applications in Micro services architecture
• Experience developing and deploying Java solutions to cloud
• Experience in Spring Boot and components of Spring framework
• Experience in a JavaScript framework such as Angular or React
• Experience in TDD using Junit or similar frameworks

·       Experience in Design Patterns and service oriented architectural principles, Data structures and Algorithms.

·       Individual should be an active participant in the product design and code reviews for self and team and can competently review any aspect of their product or major sub-system.

·       Experience in SQL, Unix skills.

·       Good communication Skill

About Us
Zupee is India’s fastest-growing innovator in real money gaming with a focus on predominant skill-focused games. Started by 2 IIT-Kanpur alumni in 2018, we are backed by marquee global investors such as WestCap Group, Tomales Bay Capital, Matrix Partners, Falcon Edge, Orios Ventures and Smile Group.

Know more about our recent funding: https://bit.ly/3AHmSL3
Our focus has been on innovating in the board, strategy and casual games sub-genres. We innovate to ensure our games provide an intersection between skill and entertainment, enabling
our users to earn while they play. We are at the cusp of scaling rapidly; we’ve only just begun!

Department: Customer Experience

Role: Customer Experience Executive
Location: We are location agnostic & operating in a hybrid model
Core Responsibilities

•  Resolve customers’ queries and issues through voice, email, social, social media channels following the defined process in specified timelines.
• Able to take Inbound calls/make Outbound calls for resolving real-time Customer queries, Customer retention, and offering certain marketing offers, etc.
• Meet the average response time along with productivity while ensuring you follow all quality parameters, SLA with 100% Customer satisfaction.
• To ensure all the customer queries/issues are being resolved on priority with clarity and promptness.

What are we looking for?

• Willing to work in rotational shifts and weeks off (24*7 environment). Initially, it will be 6 days (but will be changed to 5 days a week later).
• Must be proficient with Hindi, English & speaking another language will be an added advantage (Bengali, Gujarati, Kannada, Marathi).
• Should have a minimum of 1-3 years of work experience as a CX executive preferably in E-commerce, Consumer Tech, Hospitality, ITES, Gaming domain.
• Should have managed - Emails/Calls/Chat/Social Media queries.
• Ability to multi-task, and must have excellent communication skills.

Pre-assessment Test Link:- https://test.gclocked.com/?form=-Mo8QM9iPn3ELW56h6PQ" target="_blank">https://test.gclocked.com/?form=-Mo8QM9iPn3ELW56h6PQ

• AWS
• Postgresql
• EC2 on AWS
• Angular
• Node
• Cognito
• and most importantly Serverless

• 5+years’ experience in progressive development or architect roles
• Very strong programming skills in one or more of the above languages
• Deep understanding of back end systems; AWS architectures and managed service ecosystems
• Good understanding with web/app design workflow including user research, user scenario, user persona, sitemap, wireframing, and mockups
• Design, develop and implement quality solutions to meet complex project requirements as per defined timelines
• Create Technical Design documents, understand technical designs and translate into the application requirements.
• Exercise independent judgment in evaluating alternative technical solutions
• Participate in code and design review process
• Write unit test cases for quality check of the deliverables
• Ability to work closely with others in a team environment as well as independently
• Proven ability to problem solve and troubleshoot
• Excellent verbal and written communication skills and the ability to interact professionally with a diverse group, executives, managers, and subject matter experts
• Excellent English communication skills are required