Full Stack Developer

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.

We are seeking a skilled MERN Stack Developer to join our dynamic development team. The ideal candidate will be proficient in MongoDB, Express.js, React.js, and Node.js, and will play a key role in building and maintaining web applications.

Key Responsibilities:

• Frontend Development: Develop user-facing features using React.js, ensuring appealing and responsive user interfaces.

• Backend Development: Build efficient and scalable server-side systems using Node.js and Express.js.

• Integration: Integrate front-end components with server-side logic, ensuring seamless communication between the two.

• Data Management: Implement data storage solutions using MongoDB and other relevant technologies.

• Troubleshooting: Identify and address bugs, glitches, and performance issues to maintain application functionality.

• Collaboration: Work closely with cross-functional teams to conceptualize, define, and implement new features.

• Innovation: Keep abreast of emerging technologies and trends to contribute to continuous improvement.

Required Skills and Qualifications:

• React Proficiency: In-depth knowledge of React.js and its core concepts for building dynamic user interfaces.

• Node.js and Express: Strong expertise in Node.js and Express.js to create efficient and scalable backend systems.

• MongoDB: Experience with MongoDB for data storage and management.

• Full-Stack Development: Ability to work on both frontend and backend development.

• Problem-Solving: Strong analytical and problem-solving skills.

• Communication: Excellent communication and teamwork skills.

Preferred Qualifications:

• Experience with RESTful APIs and GraphQL.

• Familiarity with version control systems like Git.

• Understanding of Agile methodologies.

Bookeventz is looking for a rock star coder to work closely with the founders to build on our core platform and mobile applications. A Techie who has an Expert understanding of Server Logics, REST APIs and core web technologies.

Should have a great understanding of MEAN/MERN Stack.

Our Tech Stack:

PHP, MySql, CodeIgniter, React.js, Node.js, ExpressJS, React Native, Javascript, HTML5, CSS3, REST API, AWS Server Management (RDS, Lambda, API Gateway), Ubuntu, Git, CI/CD Good To have: Python, Payment Gateway.

Few Challenges we are working on right now:

- Working on various optimization to improve page speed.

- Improving Server Response & Load balancing.

- Server-side development on various projects.

- Customized CRM to increase leads handled per salesperson to double a day.

- Create a platform for users to create their custom event website.

Job Objectives:

- Integration of user- facing elements developed by front- end developers with server- side logic

- Optimize web applications to maximize speed and scale. Support diverse clients from high- powered desktop computers to small mobile devices

- Optimization of the application for maximum speed and scalability

- Implementation of security and data protection

- Collaborate with senior management, operations & business team

- Building Rest APIs and maintain Database optimizations

Looking For:

- Great understanding of Node, react, Express, Socket.io, MVVM framework

- Worked on e- commerce website, server handling and deployments scripts

- The one who has worked on customer facing product for 2 years

- Strong knowledge of MEAN stack (Min 3 yrs professional working experience) with basic understanding of LAMP.

- Experience designing scalable, fault tolerant systems and databases.

Role: Engineer/Sr Engineer -Java 

SUMMARY OF THE POSITION: 

The Product Development Engineer is responsible for the front-end development of modules for enlivening CEM. 

The engineer is responsible for end to end delivery of specific components in the module and integrating them with existing modules 

ROLES AND RESPONSIBILITIES: 

• Working with technical architects, able to convert the architecture into design and code in Java (Spring Boot), AngularJS, and NodeJS. 

• Able to generate LLD documents. 

• Ability to write Quality code with minimum defects. 

• Unit Test and follow the coding standards. 

PREFERRED QUALIFICATION AND SKILLS: 

• 5+ years of strong programming and logical skills in Java (Spring Boot), AngularJS, Object-Oriented Javascript, NodeJS and HTML5 

• Hands-on Experience with Java (Spring Boot), and MySQL is mandatory. Must have completed at least 2 full projects using Spring boot and AngularJS.

• Excellent knowledge and experience in Spring JPA and RESTful web services implementation.

• NodeJS experience is value add 

• Should have participated in, and be familiar with, Agile (Scrum) project methodology and practices.

• Must be able to mentor and guide junior technical resources. 

• One who is proactive and comes forward with technology-related initiatives. Motivated selfstarter. 

• Good communication skills. English - Oral and Written.

1. Extensive experience in Javascript / NodeJS in the back end
2. Front end frameworks such as Bootstrap, Pug, Jquery
3. Experience in web frameworks like ExpressJS, Webpack
4. Experience in Nginx, Redis, Apache Kafka and MQTT
5. Experience with MongoDB
6. Experience with Version Control Systems like Git / Mercurial
7. Sound knowledge in Software engineering best practices
8. Sound knowledge in RestFul API Design
9. Working knowledge of Automated testing tools
10. Experience in maintaining production servers (Optional)
11. Experience with Azure DevOps (Optional)

1. Experience in digital payments or financial services industry is a plus.
2. Participation in the processes of strategic project-planning meetings.
3. Be involved and participate in the overall application lifecycle.
4. Collaborate with External Development Teams.
5. Define and communicate technical and design requirements, understanding workflows and write code as per requirements.
6. Develop functional and sustainable web applications with clean codes.
7. Focus on coding and debugging.

Do you thrive on working with cutting edge technology, with innovators in the early stages of ideas, products, or platforms? Do you have the passion to be a core member of a fast-growing start-up? Are you an expert or aspiring to become one who can work on the Full Stack of an application? Do you have a genuine interest in all software technologies? If the answer is yes, do reach out to us - Crediwatch is the place for you!

You will be exposed to work on every level of the stack in a highly agile, fast growing, start-up FinTech environment, while ensuring Breakthrough Simplicity in innovation and Diving Deep to arrive at a solution-based approach to problem solving and idea creation.

The environment at Crediwatch is vibrant and innovative! You will learn and regularly interact with peers who are the best at what they do and will motivate you to be the best version of yourself, technically and professionally.

The Role Expectation

• You will play a key role in the development of the core product, working directly with the Business team on realizing their needs and translating it into the product.
• You will be involved in the overall design, architecture and development of the application, maintaining quality and ensuring performance and compliance to software standards and guidelines
• You will adhere to the best practises of the Agile & TDD
• You will collaborate with the rest of the engineering team to design, prioritise and launch new features.
• You will take ownership for organising code and maintain its integrity at all points in time.
• You will be responsible for understanding and implementing security and data protection best practices.
• You will bring in a passion for technology and hunger to learn

You Have

• A sound knowledge of Python, hands-on experience in using Django/Flask etc., design patterns and application design
• Experience with database architectures like NoSQL, RDBMS. Eg: MongoDB/ Cassandra / Couchbase / MySQL
• A good understanding of message queues mechanisms like Redis/RabitMQ (or similar)
• Knowledge of python web crawling frameworks like Scrapy & Frontera
• Hands on experience with CI/CD
• Experience in using Git for source code management & Jira

Good to Have

• Strong Linux skills, knowledge of building large scale, multi-threaded applications and experience in designing and building RESTful web services,
• Building API services with GraphQL
• Skills in configuring and implementing Hadoop/HDFS, Elasticsearch and HBase or knowledge of any graph databases
• Prior experience in architecting large scale distributed systems and experience with cloud deployments on AWS/Azure
• Prior experience working in a fast-paced start-up environment.
• Domain knowledge in the financial/data space; any external, relevant certifications.

Your Background

• At least 6+ years of hands-on development experience
• A bachelor’s or master’s degree in a related field

You Believe-in & will align with our Business Objectives

• Customer Obsession - Consistently listen to customers; test, enhance and improve the customer experience.
• Breakthrough Simplicity - An innovative approach to make everything simpler
• Diving Deep -Technique used to arrive at a solution-based approach to problem solving and idea creation
• Drive for Results - Focus on end result of any task
• Encourage and Improve - Encouraging and promoting team work and focus on continuous self-development at every stage.
• Be Ethical and Respectful - Willingness to do the right thing – even if it is hard; courteousness and being focused on the best in others.

Who We Are

We build innovative technology everyday!

Crediwatch is a ‘Data Insights-as-a-service’ company that provides lenders, businesses with actionable credit intelligence on private entities they need to improve trust and increase their lending and trading activity. Crediwatch does this with no human intervention by deploying the latest practical AI and technology tools that provide the most reliable comprehensive real time inputs.

Each day at Crediwatch is about striving for transparent insights, analysis and accurate results. If this aligns with your interests and aspirations, we have interesting positions for you.

You Will Enjoy

Our start-up environment - fun, casual, informal, family & pet-friendly! Ours is a highly energized playground where brilliant minds come together to make bold, impactful decisions every day! Needless to say, we have excellent filter coffee, health drinks round the clock, lunch buffets, PS4 and Foosball breaks and a stocked kitchen.

We play to win and have fun doing it! We work to engage your brain by organizing brilliant TechTalks by industry leaders and frequent high-on-energy hackathons and engage your crazy fun-side at our well-planned retreats. We are a highly eco-conscious team and we encourage and support our team’s physical & mental wellbeing.

All these and a great set of people to work with - We Are Crediwatch!