Senior Full Stack Developer

Quidcash seeks a versatile full-stack developer to build transformative fintech applications from end to end. You ll leverage Flutter for frontend development and JavaScript/Python for backend systems to create seamless, high-performance solutions for Indian SMEs. This role

blends UI craftsmanship with backend logic, offering the chance to architect responsive web/mobile experiences while integrating financial workflows and AI-driven features. If you excel at turning complex requirements into intuitive interfaces, thrive in full lifecycle development, and are passionate about fintech innovation – join us!

What You’ll Do:

 Full-stack Development:

 Design and build responsive cross-platform applications using Flutter (Dart) for web and mobile native app development.

 Develop robust backend services with JavaScript (Node.js) and Python, applying OOP principles and RESTful/gRPC APIs.

 Integrations:

 Implement secure financial features (e.g., payment processing, dashboards, transaction workflows) with regulatory compliance.

 Connect frontend UIs to backend systems (databases, cloud APIs, AI/ML models).

 System Architecture: Architect scalable solutions using microservices, state management (Provider/Bloc), and cloud patterns (AWS/GCP).

Collaboration & Delivery:

 Partner with product, UX, and QA teams in Agile/Scrum cycles to ship features from concept to production.

Quality & Innovation:

 Enforce testing (unit/widget/integration), CI/CD pipelines, and DevOps practices.

 Explore AI/ML integration for data-driven UI/UX enhancements.

What You’ll Bring (Must-Haves):

Experience:

 3–5 years in full-stack development, including:

 Flutter (Dart) for cross-platform apps (iOS, Android, Web).

 JavaScript (Node.js + React/Express) and Python (Django/Flask).

 Experience with OOP, design patterns, and full SDLC in Agile environments.

Technical Acumen:

 Frontend:

 Flutter (state management, animations, custom widgets).

 HTML/CSS, responsive design, and performance optimization.

 Backend:

Node.js/Python frameworks, API design, and database integration (SQL/NoSQL).

 Tools & Practices:

 Cloud platforms (AWS/GCP/Azure), Docker, CI/CD (Jenkins/GitHub Actions).

 Git, testing suites (Jest/Pytest, Flutter Test), and financial security standards.

Mindset:

 User-centric approach with a passion for intuitive, accessible UI/UX.

 Ability to bridge technical gaps between frontend and backend teams.

 Agile problem-solver thriving in fast-paced fintech environments.

Why Join Quidcash?

 Impact: Play a pivotal role in shaping a product that directly impacts Indian SMEs' business growth.

 Innovation: Work with cutting-edge technologies, including AI/ML, in a forward- thinking environment.

 Growth: Opportunities for professional development and career advancement in a growing company.

 Culture: Be part of a collaborative, supportive, and brilliant team that values every contribution.

 Benefits: Competitive salary, comprehensive benefits package, and be a part of the next fintech evolution.

Past experience in working with any product start-up is a plus.

● Proficiency in fundamental front end languages such as HTML, CSS, and JavaScript.

● Familiarity with JavaScript frameworks such as Angular JS, React, and others.

● Knowledge of Node.js and frameworks available for it such as Express (recommended).

● Good understanding of asynchronous request handling, partial page updates, and AJAX

● Understanding of REST Services.

● Experience with Redis.

● Familiarity with database technology such as MySQL, MongoDB and Elasticsearch.

● Proficient understanding of serverless programming.

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

● Good problem-solving skills.

● Attention to detail.

Job Description

We are looking for a Full Stack Developer. You'll be part of a cross-functional team that's responsible for the full software development life cycle, from conception to deployment. As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks, and third-party libraries. You should also be a team player with a knack for visual design and utility.

Responsibilities

Work with development teams and product managers in agile methodology

Design client-side and server-side architecture

Build the front-end of applications through appealing visual design

Develop and manage well-functioning databases and applications

Write effective APIs

Test software to ensure responsiveness and efficiency

Troubleshoot, debug and upgrade software

Create security and data protection settings

Build features and applications with a mobile responsive design

Qualifications Skills

Proven experience as a Full Stack Developer or similar role.

Experience in developing web applications using Node.js, React.js, MySQL, AWS services.

Knowledge of multiple front-end languages and libraries (e. g. HTML/ CSS, JavaScript, XML, jQuery).

Knowledge of multiple JavaScript frameworks (e. g. React, Angular, Node.js ).

Familiarity with databases (e. g. MySQL, Mongo DB), web servers (e. g. Apache), and UI/UX design.

Excellent communication and teamwork skills.

Full Stack Developer Responsibilities:

• Developing front end website architecture.
• Designing user interactions on web pages.
• Developing back-end website applications.
• Creating servers and databases for functionality.
• Ensuring cross-platform optimization for mobile phones.
• Ensuring responsiveness of applications.
• Working alongside graphic designers for web design features.
• Seeing through a project from conception to finished product.
• Designing and developing APIs.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

Requirements

• Degree in computer science.
• Experience with ( React+Node ) Or ( react + Angular) Or ( Node + Angular)
• Strong organizational and project management skills.
• Proficiency with fundamental front-end languages such as HTML, CSS, and JavaScript.
• Familiarity with JavaScript frameworks
• 
  
• Familiarity with database technology such as MySQL, Oracle, and MongoDB.
• Excellent verbal communication skills.
• Good problem-solving skills.
• Attention to detail.

At least 7 years programming experience, some of them in JS/TypeScript.

 Proven expert level knowledge in BE & FE development (NodeJS, React,

electron, npm/yarn, WebPack).

 Experience with cloud (preferably AWS) and/or micro-services.

 Proven experience mentoring junior developers, defining work procedures and coding conventions.

 Experience working with various databases (preferably more than two).

We are looking for a highly capable Node.js developer to optimize our web-based application performance. You will be collaborating with our front-end application developers, designing back-end components, and integrating data storage and protection solutions.

To ensure success as a Node.js developer, you should possess extensive knowledge of Node.Js based services and experience in a similar role. An accomplished Node.js developer will be someone whose expertise results in the stable, fast, and secure exchange of data between servers and end-users.

Node.js Developer Responsibilities:

• Developing and maintaining all server-side network components.

• Ensuring optimal performance of the central database and responsiveness to front-end requests.

• Collaborating with front-end developers on the integration of elements.

• Designing customer-facing UI and back-end services for various business processes.

• Developing high-performance applications by writing testable, reusable, and efficient code.

• Implementing effective security protocols, data protection measures, and storage solutions.

• Running diagnostic tests, repairing defects, and providing technical support.

• Documenting Node.js processes, including database schemas, as well as preparing reports.

• Recommending and implementing improvements to processes and technologies.

Node.js Developer Requirements:

• Bachelor's degree in computer science, information science, or similar.

• At least 4+ yrs experience as a Node.js developer.

• Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.

• Experience collaborating in an agile environment alongside designers, analysts, and product owners.

• Experience designing and documenting APIs (we use Node.js, Express, OpenAPI Spec)

• Experience in building scalable production services and monitoring performance (we use Kibana, New Relic)

• Knowledge of front-end technologies such as HTML5 and CSS3.

• Superb interpersonal, communication, and collaboration skills.

• Exceptional analytical and problem-solving aptitude.

• Great organizational and time management skills.

• Availability to resolve urgent web application issues outside of business hours.

• Deep knowledge in one or more domains of the study required for the function.
• Capability to write clear and structured technical documents.
• Ability to participate in multi-lingual meetings, very good communication skills, and able to work in a team.
• The capability of working in an international/multicultural environment.
• Ability to apply high quality standard

• Good experience in Angular.
• Good experience & knowledge of latest trends in Java, J2EE, Spring framework, Oracle, SQL, HTML, XML, XSD.
• Good knowledge of web services (SOAP, REST).
• Good knowledge of Cloud Technologies and Micro Services is an asset
• Experience with the following tools/ frameworks: Maven, GIT
• Experience in PKI is an asset

• The methodology is Agile
• Reporting tools are JIRA and Confluence

• Provision of expert advice and assistance, technology watch, architectural considerations, applicable standards, solution patterns, and best practices in Angular,
• J2EE, Web services, and SSL/TLS technologies
• Providing solution options
• Development of applications (full stack) using the technologies/tools mentioned in the specific expertise
• Review of Information Systems Infrastructure Architectures
• Performing PoC in the requested technologies
• Participation in user, service, and project meetings
• Create / update documentation as part of knowledge management
• Strive for innovation and open to new trends