Full Stack Engineer

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.

Experience: -

* Minimum 2 year of coding experience in ReactJS (TypeScript), HTML, CSS-Pre-processors, or CSS-in-JS in creating Enterprise Applications with high performance for Responsive Web Applications.

* Minimum 2 year of coding experience in NodeJS, JavaScript & TypeScript and NoSQL Databases.

* Developing and implementing highly responsive user interface components using React concepts. (self-contained, reusable, and testable modules and components)

* Architecting and automating the build process for production, using task runners or scripts

* Knowledge of Data Structures for TypeScript.

* Monitoring and improving front-end performance.

* Banking or Retail domains knowledge is good to have.

* Hands on experience in performance tuning, debugging, monitoring.

Technical Skills: -

* Excellent knowledge developing scalable and highly available Restful APIs using NodeJS technologies

* Well versed with CI/CD principles, and actively involved in solving, troubleshooting issues in distributed services ecosystem

* Understanding of containerization, experienced in Dockers, Kubernetes.

* Exposed to API gateway integrations like 3Scale.

* Understanding of Single-Sign-on or token-based authentication (Rest, JWT, OAuth)

* Possess expert knowledge of task/message queues include but not limited to: AWS, Microsoft Azure, Pushpin and Kafka.

* Practical experience with GraphQL is good to have.

* Writing tested, idiomatic, and documented JavaScript, HTML and CSS

* Experiencing in Developing responsive web-based UI

* Have experience on Styled Components, Tailwind CSS, Material UI and other CSS-in-JS techniques

* Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system

* Writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed

* Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model

* Documenting the code inline using JSDoc or other conventions

* Thorough understanding of React.js and its core principles

* Familiarity with modern front-end build pipelines and tools

* Experience with popular React.js workflows (such as Flux or Redux or ContextAPI or Data Structures)

* A knack for benchmarking and optimization

* Proficient with the latest versions of ECMAScript (JavaScript or TypeScript)

* Knowledge of React and common tools used in the wider React ecosystem, such as npm, yarn etc

* Familiarity with common programming tools such as RESTful APIs, TypeScript, version control software, and remote deployment tools, CI/CD tools

* An understanding of common programming paradigms and fundamental React principles, such as React components, hooks, and the React lifecycle

* Unit testing using Jest, Enzyme, Jasmine or equivalent framework

* Understanding of linter libraries (TSLINT, Prettier etc)

Functional Skills: -

* Experience in following best Coding, Security, Unit testing and Documentation standards and practices

* Experience in Agile methodology.

* Ensure quality of technical and application architecture and design of systems across the organization.

* Effectively research and benchmark technology against other best in class technologies.

Soft Skills: -

* Able to influence multiple teams on technical considerations, increasing their productivity and effectiveness, by sharing deep knowledge and experience.

* Self-motivator and self-starter, Ability to own and drive things without supervision and works collaboratively with the teams across the organization.

* Have excellent soft skills and interpersonal skills to interact and present the ideas to Senior and Executive management.

• Java/J2EE, Spring, Spring Boot, REST, JSON, Micro Services, 12 Factor Apps, Apache.
• Strong understanding of microservice architecture
• Ability to design, develop and implement scalable, elastic microservice based platforms.
• Demonstrated knowledge of OAuth token-based authentication protocol.
• Demonstrated knowledge of PCI and Security Coding Standards.
• Performs hands on coding using Java/J2EE & unit testing.
• Contribute to the Design and develop high quality software for large scale Java/Spring Batch/Micro-service Applications.
• Proficiency in the following general areas: Java (Java 1. 7/Java 1. 8), Spring Framework, Jenkins, Gradle, and GitHub.
• Experience with RESTful services, Rabbit MQ, JSON, Unix Scripting, and Hadoop is a plus.
• Core development experience in large scale enterprise Java applications using Spring Framework.
• Experience in SQL (DB2 & SQL databases)
• Strong knowledge and experience on Nginx as APIM tool Solid experience in coding and creating APIs.
•  Expertise in WSDL, XML, XSLT, JSON, XPATH and Gateway scripts
• Provide front line support for Nginx related problems by being involved in troubleshooting, root cause analysis and appropriate secure integration recommendations.
• Installation of Nginx API Gateway as per need.
• Experience in Containers and Kubernetes.
• Good linux and administration skills
• Experience on API Orchestration/Mediation/Protocol Bindings and transformation knowledge on disparate message structures
• Design, develop and implement API proxies using OpenAPI specification Analysing logs and trace for errors and exceptions Manage and publish content in Developer portal Security implementation using OAUTH, SAML, CORS 
• Must Have Knowledge of API development and its technologies.

Location: Remote Working

** Preference will be given to immediate joinee

Job Summary
We are looking for a PHP Developer responsible for managing back-end services and the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.

• Minimum experience should be 5 years.
• Strong knowledge of PHP frameworks (such as OpenCart, Zend)
• Advance understanding of front-end technologies, such as JavaScript & JS based frameworks like jquery.

• Understanding of MVC design patterns.

• Good hands on in integrating payment API's and CRM software development.

• Preference for experience on rest API's.

• Proficient understanding of code versioning tools, such as Git.

Zobaze is an early-stage startup, based out of THUB, Hyderabad.

Experienced developers who can develop Mobile Applications using Flutter.

Work closely with founders on building product.

Requirements -

Strong Knowledge of Javascript

Experience in building PWA with Angular or similar

Should have an idea on Google Cloud Functions or Amazon Lamda

Good Experience in Node JS

Product mindset, ability to take product manager hat if required in the future.

Have to do multiple tasks if required

Stock Options ( ESOP )

Note: It's not a 9to5 job.

A lot to learn.