Full Stack Developer at RJ Fintech Solutions Pvt Ltd · Mumbai · 1 - 5 years · ₹4L - ₹10L / yr · Posted 8 Sep 2026

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 RJ Fintech Solutions Pvt Ltd
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What we need:
• Experience in both Web + Mobile development
• Strong understanding of APIs & system design
• Ability to build end-to-end features
· Maintain version control and documentation using Git / GitHub.
Roles and Responsibilities
- Design and develop responsive web applications using React.js / Next.js.
- Build and maintain scalable RESTful APIs using Node.js and Express.js.
- Implement user authentication and authorization using JWT / OAuth2.
- Manage and optimize database structures using MongoDB or MySQL.
- Integrate front-end and back-end components seamlessly for smooth user experience.
- Collaborate with UI/UX designers and product teams to deliver high-quality features.
- Participate in Agile / Scrum sprints, daily stand-ups, and code reviews.
- Optimize applications for speed, performance, and security.
- Maintain version control and documentation using Git / GitHub.
Troubleshoot and debug production issues efficiently.
Job Location- Bangalore,
Candidates from Tamil Nadu willing to relocate to Bangalore can also apply.
Immediate Joiners Preferred. Notice Period - Immediate to 30 Days
Interested candidates are requested to email their resumes with the subject line "Application for [Job Title]".
Only applications received via email will be reviewed. Applications through other channels will not be considered.
Overview
Adesso India specialises in optimization of core business processes for organizations. Our focus is on providing state-of-the-art solutions that streamline operations and elevate productivity to new heights.
Comprised of a team of industry experts and experienced technology professionals, we ensure that our software development and implementations are reliable, robust, and seamlessly integrated with the latest technologies. By leveraging our extensive knowledge and skills, we empower businesses to achieve their objectives efficiently and effectively.
Job Description
As part of our dynamic international cross-functional team you will be responsible for the design, development and deployment of modern high quality software solutions and applications as an experienced and skilled Full-stack PHP Developer.
Responsibilities:
Design, develop, and maintain the application.
Write clean, efficient, and reusable code.
Implement new features and functionality based on business requirements.
Participate in system and application architecture discussions.
Create technical designs and specifications for new features or enhancements.
Write and execute unit tests to ensure code quality.
Debug and resolve technical issues and software defects.
Conduct code reviews to ensure adherence to best practices.
Identify and fix vulnerabilities to ensure application integrity.
Working with other developers to ensure seamless integration backend and frontend elements.
Collaborating with DevOps teams for deployment and scaling.
Requirements:
Bachelor’s degree in computer science or information technology, or a related field.
Proven experience as a skilled Full-stack developer with focus on PHP and web technologies.
Strong experience with PHP 8 and 7, Symfony Framework, AWS / Azure or GCP, GitLab and Angular and / or React. Additional technologies like Java, Python, Go, Kotlin, Rust or similar are welcome.
Experienced with test driven development and QA Tools like f.e. PHPstan, Deptrac.
Excellent problem-solving and debugging skills.
Strong communication and collaboration abilities to work effectively in a team environment.
Skills & Requirements
Full-stack development, PHP 8, PHP 7, Symfony Framework, AWS, Azure, GCP, GitLab, Angular, React, Java, Python, Go, Kotlin, Rust, Test-driven development, QA tools, PHPStan, Deptrac, Problem-solving, Debugging, Communication, Collaboration, System architecture, Technical design, Unit testing, Code review, Deployment, Scalability.
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.
Skillset
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 a passion)
RDBMS and Document Database
Experience with Agile/Scrum Development Methodology
Exposure to Continues Integration (CI/ CD) Devops, AWS
Version control systems like Git/ TFS
RESPONSIBILITIES
- Become an expert in our technology and platforms
- Provide top-tier, highly skilled and attentive support to our consumer app teams.
- Perform production support, troubleshooting and maintenance tasks with a focus on quality and timeliness
- Work with the Implementations and Delivery Teams on defect resolution and solution delivery
- As an active member of the backend team you would utilize and promote best practices and standards
- You’ll develop new technical skills and gain industry knowledge
- You’ll provide occasional “after-hours” incident response and support
- Maintain software to integrate with internal back-end systems
- Build tools to reduce occurence of errors and improve customer experience
- Manage system troubleshooting and maintenance.
Required skills and qualifications
• 4+ years’ experience supporting Web and Backend based application software and environments preferred
• Ability to prioritize effectively and handle shifting priorities professionally
• Experience with version management systems like GIT, Subversion
• Knowledge on Payment gateways (Razorpay, Juspay)
• Experience with web application servers, basic idea on AWS and Azure
• Databases (SQL and NoSQL) and SQL query language.
• Good understanding of Networking principles.
• An understanding and background with Object Oriented Programming languages
• Required Full stack development knowledge.
Preferred skills and qualifications
• Bachelor of science degree (or equivalent) in computer science, engineering, or relevant field
Vah Vah! is an ed-tech company that offers online makeup courses in micro-batches to students across India to learn from the leading teachers in top cities. We provide holistic education with lots of practical training that makes our students job-ready with not just the base skills but also the soft skills for great customer service. Our teachers have more than 15+ years of experience in training makeup and have certified more than 1000+ students. Vah Vah! is founded by executives with extensive experience running consumer business and mobile games at scale (over 100 million players) at Zynga. Vah Vah! is backed by a leading investment firm.
Website Link: https://vahvah.com/
The Mission
Vah Vah teaches professional makeup to budding makeup artists and influencers through live online classes. We have students from Srinagar, all the way to the Andamans. And experienced teachers who have worked in Bridal Makeup, Ramp Shoots, Film and more. We empower our students to join the workforce as fully trained makeup artists. This is the future of vocational education, and you can help build it.
Our Culture
- Amazing workplace and colleagues to work with
- We have the right mixture of creativity, analytics and hustle to move fast in the right direction.
- You will work with colleagues who don’t take themselves too seriously but move mountains.
- See yourself evolving every month with new problems to solve and new skill to master.
- Work with the smartest engineers so you can learn from them.
- Competitive salary at par with the best in the industry
- Great stock options so you can benefit from the company's growth.
- Immense exposure to new technologies
Responsibilities:
- Complete ownership of building and maintaining Web APP
- Deliver across the entire app life cycle design, build, deploy, test, release to production and support
- Should be comfortable in building a great consumer user interface and responsive web apps.
Requirements:
- Overall experience of 2-4 years
- React Web Developer with 2+ years of experience
- Should have worked on NodeJS with express framework
- Understanding of Backend services, API implementation, and database systems. - Familiarity with MySQL and Mongo databases
- We encourage all our devs to have a base level of DevOps skills & w.r.t
- Source Control, CI/CD systems, Cloud Services such as AWS, Firebase, GCP Minimum 1 year of experience in responsive app development
- Ability to implement designs and functionality provided by UI/UX teams
- Strong knowledge of JavaScript ES6
- knowledge of Java/J2EE, Spring, Spring Boot, Spring Cloud is a plus
Key Skills:
- React/JS, NodeJS, Typescript
- Familiarity with Analytics integrations
- Conversant with Github, CI/CD pipeline
What you get:
- Amazing workplace and colleagues to work with
- Competitive salary at par with the best in the industry
- Immense exposure to new technologies
Evervent is looking for MERN stack developer who is an expert in MongoDB, Express, React and Node. He/She should be proficient in JavaScript and use HTML, CSS and JavaScript to handle front-end operations and JavaScript with Node. js to handle back-end operations.
Roles and Responsibilities:-
- Ability to translate Wireframes into functional web apps.
- Binding of UI elements to JavaScript object models
- Creating RESTful services with Node.js
- MERN stack developer must have proven experience in front & back-end development
- Work in a cross-functional team to deliver a complete user experience
- ReactJS NodeJS developer must know MongoDB, Express, Node.js, & React.
- Create Unit and Integration tests to ensure the quality of code
- Be responsive to change requests and feature requests
- Write code that is cross-platform and cross-device compatible
- MERN full stack developer must have the ability to wear many hats and learn new technologies quickly
- For MERN stack developer job, candidate must have good Knowledge of Node Debugging
- Understanding & proficiency in REST APIs.
- MERN stack developers should know Git Repository and Jira.
- Integration of data storage solutions [RDBMS, NoSQL DB]
Desired Candidate Profile:-
- Excellent in basic programming in any web technology Server and Client
- Like ReactJS/Node JS/ VueJS and Server-side scripts
- Basic knowledge in APIs, Micro Services
- Hands-On experience in Web development frameworks
- Hands-On in Database queries and concepts
- Understanding of performance testing and optimization techniques
Perks and Benefits:-
- No salary bar for deserving candidates.
- 5 days working.
- Paid and leave encashment facility available.
About the job
We are looking for an experienced individual who can work with us. The selected developer would help us in developing new backend services, update / change older working services, creating REST APIs for frontend, and maintain existing code and integration to other Providers with High Quality and re-usable code. Further it will be expected out of the developer to help in optimizing components for maximum performance across a vast array of edge cases, and test the code.
Particulars of the job
REQUIREMENTS
- Must be passionate about learning new technologies.
- 2+ years of experience in developing web based applications.
- Must have experiencing in node.js / postgresql.
- Ability to solve architecture level problems.
- Experience in leading the team, have lead the team of junior developers in past.
What we appreciate?
A perfect candidate should hold or think the following things are important.
Values - Orderliness • Transparency • Merit • Productivity • Smart work
Abilities - Pro-activeness • Problem solving aptitude • Responsive • Quick learner • Leadership traits
Skills - • NodeJS • JavaScript • Typescript • RESTful APIs • HTML / CSS • PostgreSQL • SQL Server • Networking • Templating engine • Git
Brownie points - Good communicator • Organized • Awareness of new approaches/practices in domain • Awareness of online communities
Who are we?
We are a SaS startup, who is building software for other start-ups, and helping others on the way stand. Our mission is to reduce the barriers to launching a tech startup.
Xuresolutions.in
Why work with us?
- We promote an open culture based on trust and ownership.
- We like to work in an idea meritocracy. Ideas and believability of individuals over seniority/title.
- Our working schedule revolves around Monday to Friday.
- Working hours are 10 AM to 7 PM officially. However, we aim for maximum overlap and coordination rather than pointless strict conformity (we aren’t a school!)
- We work a flexible week depending on the current team’s performance and needs. Roles and Responsibilities
- 3-10 years experience
- Strong React, TypeScript, JavaScript
- Experience with NextJS and Material UI
- Experience with popular React.js workflows (such as Flux or Redux)
- Demonstrated mastery of HTML, CSS & JavaScript (ES6+)
- Good understanding of HTML, CSS, Javascript, jQuery, Bootstrap3/4, JSON & AJAX.
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
Backend server development & support with Node, JavaScript, JSON, REST, NoSQL, Cloud Native technologies like Docker & Registry, Kubernetes & Helm
- Skilled in data structures, algorithms, modularization, OOP, microservices, and design patterns
- Skilled in coding best practices using containers, packaging (npm, yarn), agility (with Git, Jira), unit testing (JEST), CI/CD (Jenkins), debugging, and ensuring high productivity & quality
- Exposure to security (OIDC/JWT, RBAC, monitoring, auditing)
- Good with learning, problem solving & innovation








