Fullstack 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.

Job Title: Java Full Stack Developer

Experience: 6+ Years

Locations: Bangalore, Mumbai, Pune, Gurgaon

Work Mode: Hybrid

Notice Period: Immediate Joiners Preferred / Candidates Who Have Completed Their Notice Period

About the Role

We are looking for a highly skilled and experienced Java Full Stack Developer with a strong command over backend technologies and modern frontend frameworks. The ideal candidate will have deep experience with Java, ReactJS, and DevOps tools like Jenkins, Docker, and basic Kubernetes knowledge. You’ll be contributing to complex software solutions across industries, collaborating with cross-functional teams, and deploying production-grade systems in a cloud-native, CI/CD-driven environment.

Key Responsibilities

• Design and develop scalable web applications using Java (Spring Boot) and ReactJS
• Collaborate with UX/UI designers and backend developers to implement robust, efficient front-end interfaces
• Develop and maintain CI/CD pipelines using Jenkins, ensuring high-quality software delivery
• Containerize applications using Docker and ensure smooth deployment and orchestration using Kubernetes (basic level)
• Write clean, modular, and testable code and participate in code reviews
• Troubleshoot and resolve performance, reliability, and functional issues in production
• Work in Agile teams and participate in daily stand-ups, sprint planning, and retrospective meetings
• Ensure all security, compliance, and performance standards are met in the development lifecycle

Mandatory Skills

• Backend: Java, Spring Boot
• Frontend: ReactJS
• DevOps Tools: Jenkins, Docker
• Containers & Orchestration: Basic knowledge of Kubernetes
• Strong understanding of RESTful services and APIs
• Familiarity with Git and version control workflows
• Good understanding of SDLC, Agile/Scrum methodologies

This is a full-time on-site role for a Full Stack Developer at Arahas in Gurugram. As a Full Stack Developer, you will be responsible for both front-end and back-end web development, software development, and utilizing cascading style sheets (CSS).

·. The candidate should have a minimum of 5 years of experience in developing robust, scalable web applications.

Immediate joiners are preferred .

Key Skills:

• 5+ years of experience with Angular 2+, Node.js, and MongoDB

• Strong knowledge of front-end technologies (HTML5, CSS3, JavaScript)

Responsibilities:

• Develop and maintain full-stack web applications

• Collaborate with cross-functional teams to deliver high-quality solutions

• Write clean, scalable, and maintainable code

• Troubleshoot and optimize application performance

Company Profile :-

Arahas excels in delivering sustainable solutions to diverse sectors, including Telecom, Defense, Land Management, Smart & Sustainable City, Utilities, Municipal Services, Environment, Infrastructure & Real-estate, Forest Management, Logistics & Distribution, Public Safety, Wildlife, Water & Rainfall, Emergency and Disaster Management.

Backed by marquee climate investors like NIIF, Arahas is at the forefront of India's green economy transition. Arahas has seen impressive growth, now working with 30+ clients across urban development, agriculture, disaster response, and ESG performance management. With 110+ professionals delivering solutions from 5+ delivery centers, Arahas combines human expertise and digital capabilities into innovative offerings across 15+ product and service lines.

The ideal candidate is a self-motivated, multi-tasker, and demonstrated team player. You will be a lead developer responsible for the development of new software products and enhancements to existing products. You should excel in working with large-scale applications and frameworks and have outstanding communication and leadership skills.

 
            RESPONSIBILITIES:

• Writing clean, high-quality, high-performance, maintainable code.
• Develop and support software including applications, database integration, interfaces, and new functionality enhancements.
• Coordinate cross-functionally to ensure the project meets business objectives and compliance standards.
• Support test and deployment of new products and features.
• Participate in code reviews.
  
  KEY SKILLS AND QUALIFICATIONS REQUIRED:
  
  
• A minimum of 3+ years of relevant work experience in the development of scalable scale web applications.
• Proven experience in Full stack web development using Typescript, Angular1,2,4+, HTML5 and CSS3, Microservice API development, and experience in PHP/Python/Laravel and MVC frameworks is a must.
• Exposure to CI/CD tools, Code Analysis, and Test automation is preferred.
• Expertise in Object-Oriented Design, Database Design, and XML Schema.
• Experience with Agile or Scrum software development methodologies.
• Ability to multi-task, organize, and prioritize work.
• Knowledge of advanced PHP concepts, MySQL, JSON, XML & ability to work in a LAMP/WAMP environment.
• Strong Knowledge of DB & code security along with basic server operations like Curl, Crud, cPanel.

• Expertise in Java server-side development: Core Java, Golang Servlets, Spring Core, React JS, Spring Boot with GRPC, and Hibernate.
• Exposure to microservice design patterns.
• Good knowledge in Data Structures, Algorithms, Object-Oriented Design, Analysis, Design patterns, and other computer science concepts.
• Knowledge of GraphQL, Kafka, PostgreSQL will be added advantage.

What you need to have:

Looking for a Application Engineer - Fullstack. 

Job type – Full time employment

Job location – Pune

Work schedule – Monday to Friday, 10am to 7pm

Minimum qualification – Graduate.

Years of experience –  3 to 8 years
No of position - 3

Reporting to –  Technical Architect

Travel opportunities - On need basis within/outside India. Candidate should have valid passport

Roles and responsibilities:

• Work across the stack from a code commit to running it in production, with the end goal of delivering the best possible experience for the user
• Design, develop and test features from inception to rollout
• Write high quality code that is scalable, testable, maintainable and reliable
• Independently own and drive new features from scratch
• Work in an Agile environment and facilitate agile practices
• Champion best practices and cross-functional skill development
• Mentor and guide junior team members
• Cultivate talent and bring out the best in your team members
• Continuously improve by working on and providing feedback

• Experience working with NodeJS on the backend and ReactJS on the frontend
• Strong knowledge of creating scalable REST APIs
• Some experience with alternative protocols like GraphQL, GRPC, etc is preferred
• Experience with Typed programming languages like TypeScript or Flow is preferred
• Experience with frameworks like ExpressJS, NestJS, Redux, Redux Saga, Storybook etc is preferred
• Practices TDD
• Experience writing test automation
• Working experience with databases like MongoDB, Redis and Relational databases
• Strong understanding of Object Oriented Programming and/or Functional Programming concepts
• Experience with setting up and maintaining CI/CD pipelines
• Strong understanding of containerization technologies like Docker
• Experience practicing Agile software development methods is preferred.

We are looking for a smart WordPress developer who has prior experience in theme development on SAGE 9 (Roots.io).

• Develop webpages on a fresh theme of SAGE 9 (roots.io)
• Connect simple and custom post types built on Toolset & WordPress with frontend
• Match custom website design pixel-to-pixel
• Develop shortcodes for backed and database integration
• 3rd Party API integrations for payment, shipping, inventory and more in woocommerce
• Build custom features and functionalities based on project scope