Fullstack Developer - Teaching Assistant

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 looking for a highly skilled MERN Stack Developer who is passionate about building seamless user interfaces and robust backend systems. The ideal candidate will have strong expertise in ReactJS for UI development and hands-on experience in Node.js API development. You will play a crucial role in developing and maintaining scalable web applications using the MERN (MongoDB, Express.js, React.js, Node.js) stack.

Responsibilities:

• Frontend Development:
• Build responsive and dynamic user interfaces using ReactJS.
• Develop reusable components, UI libraries, and ensure excellent user experience.
• Optimize applications for maximum speed and scalability.
• Work with tools like Redux, React Hooks, and other state management libraries.
• Backend Development:
• Design and develop RESTful APIs using Node.js and Express.js.
• Build secure, scalable, and efficient server-side applications.
• Integrate third-party APIs and services when required.
• Database Management:
• Work with MongoDB to design and manage collections, queries, and indexes.
• Ensure smooth integration of database operations with the backend.
• Collaboration:
• Work closely with designers, project managers, and other developers to define project requirements and deliverables.
• Conduct code reviews and ensure clean, maintainable, and testable code.
• Testing and Deployment:
• Write unit tests and integration tests for both frontend and backend components.
• Deploy applications to cloud environments (AWS, GCP, or similar platforms).
• 
  

Skills and Qualifications:

• Strong proficiency in ReactJS:
• Experience in creating dynamic and responsive UI components.
• Knowledge of modern React features such as Hooks, Context API, and functional components.
• Hands-on Node.js API Development:
• Strong experience in Express.js to build RESTful APIs.
• Understanding of asynchronous programming and event-driven architecture.
• Good knowledge of MongoDB:
• Hands-on experience with designing collections, writing queries, and data modeling.
• Proficient in JavaScript and ES6+:
• Strong understanding of modern JavaScript, including DOM manipulation.
• Familiarity with:
• State Management Libraries (e.g., Redux, MobX).
• Version Control (Git and GitHub).
• Frontend Tools like Webpack, Babel, and NPM/Yarn.
• API Integrations and tools like Postman or Swagger for testing APIs.
• Strong understanding of UI/UX design principles:
• Ability to work with design tools (e.g., Figma, Sketch, or Adobe XD) to bring designs to life.
• Problem-solving mindset and ability to write clean, efficient, and maintainable code.

Nice-to-Have Skills:

• Experience with TypeScript.
• Knowledge of GraphQL.
• Experience with containerization tools like Docker.
• Familiarity with deployment tools (CI/CD pipelines).

Experience:

• 0-2 years of experience as a MERN Stack Developer or relevant roles.

Benefits:

• Competitive salary based on experience.
• Opportunity to work on exciting and impactful projects.
• Collaborative and dynamic work environment.
• Career growth and learning opportunities.

Responsibilities:

• Work as part of a collaborative, agile team to deliver industry-leading engagement capabilities on the web.
• Integrate with other services to help the client seamlessly provide value to more companies.
• Design and develop feature enhancements that continue to deliver value and provide an excellent customer experience.
• Troubleshoot and resolve emergency server or code issues at any stack level.

Requirements:

• Ability to empathize with end-users; build with scale and ease of adoption in mind.
• Experience building in an agile setting with code reviews and quality as a priority.
• Strong design skills for separation and modularity of code; aversion to overly complex, spaghetti code.
• A bachelor's degree in Computer Science, related technical field, or commensurate experience.
• 3 years experience in production web application development.
• 5 years of experience working with NodeJS or an equivalent web framework and language.
• Experience writing JavaScript code, either vanilla JS or using a framework such as Node.js or React, or Redux.
• Unit testing experience (Jest).
• 3rd-party API usage and integration experience.
• RDBMS usage (e. g., MySQL, PostgreSQL).

Interview Process:

• Introductory Round
• Technical Round - Algo/low level coding round based on real world scenario
• Technical Round - System Design or High level design coding round and AWS
• Offer discussion

We’re looking to hire an experienced Shopify developer who can develop custom themes on the Shopify platform as per the design shared by our design team. In this role, you will be expected to set up the environments and develop the Shopify theme. You should be willing to learn and work on new technologies.

Responsibilities

• Convert shared custom designs into Shopify websites
• Expert-level knowledge of Shopify Liquid templating language to edit the website
• Add new sections, filters, products, etc.
• Integrating third-party and platform-supported apps in the websites
• Analyze the requirements and provide solutions
• Work on issue debugging and troubleshooting
• Use Shopify liquid, jQuery, CSS, and HTML to deliver bugfree interfaces as required
• Use Shopify JS APIs (storefront, AJAX Cart, Sections, etc.) to deliver the required functionality
• Additional: Candidates with knowledge of WordPress Development will be preferred

Qualifications

• Strong understanding of the Shopify platform
• Excellent Communication Skills
• 1+ years of development experience

Full Stack Developer Job Description:

1. Knowledge in MERN Stack is mandatory

2. Work with development teams and product managers to ideate software solutions

3. Design client-side and server-side architecture

4. Conduct Testing & Debugging, utilize script tools & write basic codes for design specifications

5. Build the front-end of applications through appealing visual design

6. Develop and manage well-functioning databases and applications

7. Write effective APIs

8. Troubleshoot, debug and upgrade software

9. Create security and data protection settings

10. Build features and applications with a mobile responsive design

11. Write technical documentation

12. Work with data scientists and analysts to improve software

About Company:

Working with a multitude of clients populating the FTSE and Fortune 500s, Audit Partnership is a people focused organization with a strong belief in our employees. We hire the best people to provide the best services to our clients.

APL offers profit recovery services to organizations of all sizes across a number of sectors. APL was borne out of a desire to offer an alternative from the stagnant service provision on offer in the profit recovery industry.

Every year we cover million of pounds for our clients and also work closely with them, sharing our audit findings to minimize future losses. Our dedicated and highly experienced audit teams utilize progressive & dynamic financial service solutions & industry leading technology to achieve maximum success.

We provide dynamic work environments focused on delivering data-driven solutions at a rapidly increased pace over traditional development. Be a part of our passionate and motivated team who are excited to use the latest in software technologies within financial services.

Headquartered in the UK, we have expanded from a small team in 2002 to a market leading organization serving clients across the globe while keeping our clients at the heart of all decisions we make.

Roles and Responsibilities:

As a Developer, you will join our global team and develop industry leading products, tools and applications for the financial services and risk advisory industry. You will display a high level of commitment to customer service, professionalism and software engineering. Candidates should be a high potential full stack developer, preferably with strong database technology experience such as  MS SQL. We provide services and software to our global client base to identify errors in financial and trading systems using our suite of audit tools. As a Developer, you will be responsible for the maintenance and upgrade to cutting edge technologies as well as the creation of new innovative applications utilizing machine learning and AI.

Desired Candidate Profile:

• 2-3 years of previous experience
• Confident handling of server-side programming with C#
• Confident handling of fundamental front-end languages such as HTML, CSS and JavaScript
• Familiarity with database technologies such as MS SQL, MySQL, PostgreSQL or MongoDB
• Basic knowledge of Algorithms and Data Structures
• Analytical and solution-oriented thinking
• Organisational skills and experience in project management
• Knowledge of Scrum methodology
• Familiar with source control / Git
• Knowledge of REST API design and development concepts
• Someone who is enthusiastic and eager to learn
• Very good command of English and excellent communication skills

Perks & Benefits:

• A fantastic work life balance
• Competitive compensation and benefits
• Exposure of working with Fortune 500 organization
• Expert guidance and nurture from global leaders
• Opportunities for career and personal advancement with our continued global growth strategy
• Industry leading training programs
• A working environment that is exciting, fun and engaging

Essential Duties and Responsibilities:

• Execute full lifecycle software development
• Develop, designed well efficient code
• Integrate software components into a fully functional software system
• Fully adaptive to the technology needed for the current project

Requirements:

• Minimum 8 year of strong demonstrated knowledge in PHP, Mysql, Mongodb, Jquery, SASS
• Algorithms, data structure.
• Object-oriented programming.
• AWS/Server experience to handle production machines is a plus.
• Team Management mandatory
• Experience on PHP, PHP Frameworks, Ajax, Knowledge on CMS platform like Opencart, payment gateway integration, experience working on portals.
• Familiarity with software development methodology and release processes.
• Strong problem-solving skills and excellent communication skills
• Product based company preferable
• Startup experience preferable