Sr. 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.

Engineer the Future of AI-Powered Recruitment Applications

About Us:

At PyjamaHR, we're creating recruitment software so intuitive you could use it in your pajamas. We integrate cutting-edge LLMs and Generative AI technologies into practical, powerful applications that are transforming how 525+ companies hire talent. While others are still talking about AI potential, we're shipping AI-powered features that deliver real value. As we scale from Bangalore to the US market, we need exceptional full-stack talent who can turn advanced AI capabilities into elegant, user-friendly experiences.

The Role:

As a Senior Full-Stack Engineer at PyjamaHR, you'll build the applications and interfaces that bring our AI capabilities to life. This isn't about training models—it's about implementing, integrating, and optimizing Generative AI within robust full-stack applications. You'll work across our entire technology ecosystem to create seamless experiences that leverage AI to solve real recruitment challenges. Your code will directly impact how companies discover, evaluate, and hire talent.

What You'll Do:

• Implement AI-Powered Features - Integrate Generative AI capabilities into practical, user-facing applications
• Build End-to-End Solutions - Develop both frontend experiences and backend services that leverage AI capabilities
• Create Scalable Architectures - Design systems that grow with our rapidly expanding user base
• Optimize Performance - Ensure our applications remain responsive even when processing complex AI operations
• Enhance User Experiences - Translate advanced AI capabilities into intuitive, accessible interfaces
• Drive Technical Excellence - Set standards for code quality and engineering practices across the team
• Collaborate Across Functions - Work with product, design, and data teams to deliver cohesive solutions
• Solve Complex Challenges - Apply your technical creativity to the unique problems of AI-powered recruitment

Who We're Looking For:

• 3-5 years of full-stack development experience building production applications
• Experience implementing and integrating Generative AI into web applications
• Expertise with either Django/React or Node.js/React technology stacks
• Strong experience with cloud platforms (Azure preferred, AWS acceptable)
• Proven ability to build performant, scalable web applications
• Excellence in modern JavaScript/TypeScript and frontend development
• Solid understanding of software architecture principles
• Product-minded approach to engineering decisions
• Ability to thrive in fast-paced environments with evolving priorities
• Bachelor's or higher in Computer Science or equivalent practical experience

The Rewards:

• Salary range of ₹30-40 LPA for exceptional talent (with room to negotiate for truly outstanding candidates)
• Equity package with significant growth potential
• Minimal bureaucracy and maximum impact
• Autonomy to make important technical decisions
• The opportunity to shape an industry-leading product
• Collaborative, innovation-focused work environment

Location: Bangalore (Koramangala 8th Block)

This role is perfect for engineers who want to apply their full-stack expertise to implement cutting-edge AI technologies in real-world applications. If you're excited about building the interfaces and systems that make advanced AI accessible and valuable to users, we want to talk to you.

We are looking for a Prestashop/Full Stack Software Developer to be our primary source of development for our Prestashop-based e-commerce website. In addition to connecting external sources to our website using APIs, this role ensures all requirements and functionalities are met.

As part of the role, you will need proficient knowledge of PHP, .NET, SQL, and other web-based design/development techniques.

Key Responsibilities:
● Build the (under construction) PrestaShop site according to the requirements and mockups
provided.
● Customize e-commerce sites using CMS, HTML, and other technologies to suit.
● Build APIs to connect external platforms to PrestaShop's e-commerce platform.
● On the website, manage product lines using MySQL/SQL.
● Create virtual copies of data pulled from the server using AJAX/JSON.
● Scrape data from numerous websites to extract, transform and reuse the information.
● Develop client-based or web-based tools to automate or improve business processes.

Here's what we're looking for
● About 3-5 years of working experience building e-commerce websites in PrestaShop.
● A diploma, degree, or background in IT, engineering, or similar is preferred.
● Experience working and designing layouts with PrestaShop's Smarty templates.
● Solid PHP programming skills for backend development and troubleshooting.
● Must know how to efficiently code in ASP.Net, HTML, Javascript, CSS, jQuery
● Must know how to use effectively.NET-based restful web API.
● Good working experience with MySQL database and MySQL queries.
● Excellent PHP knowledge and basic Git knowledge would be an advantage
● Knowledge of module development and functionality enhancement
● Ability to work independently on strategic issues with clients and manage reasonably complex projects.
● Commercial & business awareness
We recognize that asking you to give 100% of yourself daily requires us to show you love.

PERKS: What can we offer you?
● Bi-Yearly performance audits and appraisals
● The flexibility of working hours and days
● Complimentary Health Insurance
● A plethora of industry exposure and self-growth opportunities

You will be responsible for architecting and developing features on the application end to end. You will be working closely with the Product Managers and the Technical architect to come up with high-quality, resilient, and highly performant applications.‍

• Design and develop SaaS-based applications based on microservices architecture.
• Work on core backend and ensure it meets the performance benchmarks.
• Work on the front end with ReactJS.
• Designing and developing APIs for the front end to consume.
• Constantly improve the architecture of the application by clearing the technical backlog.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

An enthusiastic individual with the following skills. Please do not hesitate to apply if you do not match all of it. We are open to promising candidates who are passionate about their work and are team players.

• Education - BE/MCA or equivalent.
• Overall 4+ years of experience.
• Agnostic/Polyglot with multiple tech stacks.
• Worked on open source technologies – NodeJS, ReactJS, MySQL, NoSQL, MongoDB, DynamoDB.
• Good experience with Front-end technologies like JavaScript frameworks, ReactJS, AngularJS.
• Backend exposure – good knowledge of building API.
• Worked on serverless technologies.
• Efficient in building microservices in combining server & front-end.
• Knowledge of cloud architecture.
• Should have sound working experience with relational and columnar DB.
• Should be innovative and communicative in approach.
• Will be responsible for functional/technical track of a project.

You will closely work with the engineering team and support the Product Team of Compass.‍

A wholesome opportunity in a fast-paced environment will enable you to juggle between concepts yet maintain the quality of content, interact, share your ideas, and have loads of learning while at work. Work with a team of highly talented young professionals and enjoy the benefits of being at Xoxoday.

A fast-growing SaaS commerce company based in Bangalore with offices in Delhi, Mumbai, SF, Dubai, Singapore, and Dublin. We have three products in our portfolio: Plum, Empuls, and Compass. Xoxoday works with over 1000 global clients. We help our clients engage and motivate their employees, sales teams, channel partners, or consumers for better business results.‍

We look forward to connecting with you. As you may take time to review this opportunity, we will wait for a reasonable time of around 3-5 days before we screen the collected applications and start lining up job discussions with the hiring manager. However, we assure you that we will attempt to maintain a reasonable time window for successfully closing this requirement. The candidates will be kept informed and updated on the feedback and application status.

Experience: 5+Years
Location: India(Remote)

What’s the opportunity?

AiTrillion is looking for a Sr. Developer with experience in

• PHP
• Zend Framework CI
• NodeJS, Express
• Loopback
• Serverless Framework & CLI
• AWS Lambda
• API Gateway with MySQL
• MongoDB
• DynamoDB database experience

What will you be doing? 

• Strong Development/Management background with experience in Developing Products with large-scale user transactions and having critical business nature.
• Must be able to build the technical architecture/stack of the product from scratch including server interactions, scripts, deployment stage, features with a cost-effective manner.
• Hands-on implementation of the critical interfaces and complex modules of the systems and features as a solution architecture and design.
• Provide timely deliverables, estimates, and complete tasks in an Agile development environment.
• Reviewing code for coding standards and accuracy and functionality.
• Help the team to solve complex coding problems and troubleshoot the issues.

What skills do you need?

• Minimum 5+years of Technical Lead experience.
• Handle on any MVC PHP Frameworks Like Zend Framework, Laravel
• Must have experience on  NodeJS, Express, Loopback
• Good to have hands-on Serverless Framework & CLI, AWS Lambda, API Gateway, SQS, SNS, Step Functions
• Must have experience working with JavaScript technologies like NodeJS, AngularJS,  React.
• Hands-on  Relation, Non-relation, MYSQL, Data Lakes, HIVE, Apache Spark, MongoDB, Apache Cassandra, Streaming Analytics, In-Memory, NoSQL Database.
• Must have a good understanding of building and using REST APIs and Different Authentication Protocols.
• Good to have experience with  Amazon Web Services (EC2, RDS Aurora, Lambda, API Gateway, S3, CloudFront )
• Must have experience building microservices and customer-facing APIs.
• Must have a sound understanding of failure modes, resiliency patterns, and techniques to enable robust, self-healing architecture.
• Develop Business Domain-Driven Reusable Microservices.
• Knowledge of version control systems like GIT (mandatory).
• Experience with Google Cloud is a plus.
• Experience with the process of automation and load testing is a plus.

At AiTrillion, we are committed to building and fostering an environment where our employees feel included, valued, and heard. Our belief is that a strong commitment to diversity and inclusion enables us to truly make commerce better for everyone. We strongly encourage applications from Indigenous peoples, racialized people, people with disabilities, people from gender and sexually diverse communities and/or people with intersectional identities.

Tailor and Circus is an online ecommerce brand, looking for full-time a Ruby on Rails Developer to work with the brand on cutting edge technologies combined with an ability to be innovative while creating solutions in a team environment.

Roles and Responsibilities

• Perform all phases of software engineering including requirements analysis, application design, architecture design, code development, deployment and testing.
• Design and implement product features in collaboration with business and internal stakeholders.
• Design reusable components, frameworks, and libraries.
• Work very closely with architecture groups and drive solutions.
• Participate in an Agile/Scrum methodology to deliver high-quality software releases every 2 weeks through Sprints.
• Design and develop innovative solutions to meet the needs of the business.
• Review code and provide feedback related to best practices and improving performance.
• Troubleshoot production support issues post-deployment and come up with solutions as required.

Desired Candidate Profile

• 1-3 yrs of experience with Rails 4 or 5 framework.
• Development and delivery experience with Ruby (1.9, 2.x); Rails (4 or 5).
• Good to have HTML, CSS, AJAX, jQuery and excellent JavaScript knowledge.
• Good ability to understand, discuss, design, develop, test, document, and troubleshoot an interactive AJAX enabled Rails application that uses REST, SOAP, SQL.
• Knowledge on AWS is requirement.
• Experience on Heroku, Azure would be an added advantage.,
• A knack for writing clean, readable Ruby code
• Ability to integrate multiple data sources and databases into one system
• Understanding of fundamental design principles behind a scalable application
• Able to create database schemas that represent and support business processes
• Able to implement automated testing platforms and unit tests
• Proficient understanding of code versioning tools (e.g. Git, Mercurial or SVN)
• Familiarity with development aiding tools (such as Bower, Bundler, Rake, etc)
• Familiarity with continuous integration

Mandatory Requirements:

• Minimum 2-3 years coding experience on Ruby on Rails platform
• Experience in working with Ecommerce products

1. Having nodejs (backend technology) as with frontend development. I am stressing on frontend more to give emphasis on the need.
2. We look for frontend engineers (java script) primarily and who are willing to contribute to backend (python). Backend wise, on the resume, these candidates can have nodejs / python / java / c# / any programming language

• Implementation of a robust set of services and APIs to power the web application
• Building reusable code and libraries for future use
• Optimization of the application for maximum speed and scalability
• Implementation of security and data protection
• Integration of the front-end and back-end aspects of the web application
• Design/Architect Application Architecture
• Design/Architect Database Design/Architecture
• Provide solutions for Optimizing Application & Database Performance.
• Interacting with clients and understanding their tech requirements, to implement them accurately as per needs.
• Coordinate with team for task management.
• Understanding of MVC Architecture
• Proficient knowledge of PHP and Laravel Framework
• Knowledge of advanced JavaScript libraries and frameworks such as AngularJS, ReactJS
• Understanding of fundamental design principles behind a scalable application
• Knowledge to implement automated testing platforms and unit tests
• Proficient understanding of code versioning tools (Git)