Senior Backend Engineer (3+ years experience)

Quidcash is seeking a skilled Backend Developer to architect, build, and optimize mission-critical financial systems. You’ll leverage your expertise in JavaScript, Python, and OOP to develop scalable backend services that power our fintech/lending solutions. This role offers

the chance to solve complex technical challenges, integrate cutting-edge technologies, and directly impact the future of financial services for Indian SMEs.

If you are a leader who thrives on technical challenges, loves building high-performing teams, and is excited by the potential of AI/ML in fintech, we want to hear from you!

What You ll Do:

 Design & Development: Build scalable backend services using JavaScript(Node.js) and Python, adhering to OOP principles and microservices architecture.

 Fintech Integration: Develop secure APIs (REST/gRPC) for financial workflows(e.g., payments, transactions, data processing) and ensure compliance with regulations (PCI-DSS, GDPR).

 System Optimization: Enhance performance, reliability, and scalability of cloud- native applications on AWS.

 Collaboration: Partner with frontend, data, and product teams to deliver end-to-end features in Agile/Scrum cycles.

 Quality Assurance: Implement automated testing (unit/integration), CI/CD pipelines, and DevOps practices.

 Technical Innovation: Contribute to architectural decisions and explore AI/ML integration opportunities in financial products.

What You'll Bring (Must-Haves):

Experience:

 3–5 years of backend development with JavaScript (Node.js) and Python.

 Proven experience applying OOP principles, design patterns, and micro services.

 Background in fintech, banking, or financial systems (e.g., payment gateways, risk engines, transactional platforms).

Technical Acumen:

Languages/Frameworks:

 JavaScript (Node.js + Express.js/Fastify)

 Python (Django/Flask/FastAPI)

 Databases: SQL (PostgreSQL/MySQL) and/or NoSQL (MongoDB/Redis).

 Cloud & DevOps: AWS/GCP/Azure, Docker, Kubernetes, CI/CD tools (Jenkins/GitLab).

 Financial Tech: API security (OAuth2/JWT), message queues (Kafka/RabbitMQ), and knowledge of financial protocols (e.g., ISO 20022).

Mindset:

 Problem-solver with a passion for clean, testable code and continuous improvement.

 Adaptability in fast-paced environments and commitment to deadlines.

 Collaborative spirit with strong communication skills.

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.

If you are interested, pls share your profile to smithaquidcash.in

• Hands on Work experience as a Python Developer
• Hands on Work experience in SQL/PLSQL 
• Expertise in at least one popular Python framework (like Django, Flask or Pyramid)
• Knowledge of object-relational mapping (ORM)
• Familiarity with front-end technologies (like JavaScript and HTML5)
• Willingness to learn & upgrade to Big data and cloud technologies like Pyspark Azure etc.
• Team spirit
• Good problem-solving skills
• Write effective, scalable code

Job Description:
      We are looking for a self-starter/ Back End Developer who can work well with minimal guidance and in a fluid environment. Proficient at programming and interacting with APIs and good knowledge of RESTful design. Customer-focused reacts well to changes, works with teams, and is able to multitask. A natural communicator who can articulate and express thoughts and explain technical concepts in clear, plain English (both written and verbal)

Key Responsibilities: 

Hands-on experience in different technologies and languages such as JavaScript, NodeJS, MongoDB, Express JS, MySQL, REST API, Web Services/REST/JSON, MVC Framework to develop Web /mobile applications. Participating in the design and creation of scalable software. Writing clean, functional code on the back-end. Testing and fixing bugs or other coding issues

Position Type: Full-Time

Educational Qualifications: B.Tech/B.Sc/MCA/Relevant Degree in Computer Science.

Experience: 3+ years of hands-on experience in Backend

Reports to: Development Manager

Roles & Responsibilities:

• Work with development teams and product managers to ideate software solutions
• Design client-side and server-side architecture
• 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
• Write technical documentation
• Work with data scientists and analysts to improve software
• Excellent scoping and estimation skills

Skills and Responsibilities:

• Proven experience as a Backend Developer or similar role
• 4+ years of hands-on software engineering experience in Node.js and Typescript

(Including Express, Feathers.js, and/or Nunjucks)

• Strong understanding of node modules, npm, nodemon.
• Strong understanding of production systems and Cloud deployments, especially in AWS
• Good understanding of test frameworks like Chai, Mocha, and Sinon
• Good understanding of javascript concepts like Promises and Async-Await
• Deep understanding of mobile backend infrastructure including service-oriented or

microservice architecture.

• Strong experience using a client-side MVC framework such as NodeJS, NextJS, Redux.Good experience working on Backend.
• Ensure the technical feasibility of UI/UX designs.
• Experience with filesystems, server architectures, and performance tuning
• Building reusable code and libraries for future use
• Experience in a relational database and version control tools and integration of third.
• Maintain existing code base including troubleshooting of issues and fixing bugs.
• Experience developing desktop and mobile applications
• Developing and implementing highly responsive user interface components using react
• Strong knowledge in databases MySQL, MongoDB, web servers Apache, and UI/UX design.
• Top-notch programming skills and write code for robust software design.
• Experience in responsive design, cross-browser compatibility, and website performance.
• Knowledge of performance testing frameworks including Mocha and Jest
• Aggressive problem diagnosis and creative problem-solving skills.
• Good understanding of how browsers and DOM work.
• Experience with handling Services, RESTful, APIs.
• Excellent communication and teamwork skills
• Great attention to detail and organizational skills
• An analytical mind and problem-solving skills.
• F&B (Food and Beverages) domain experience is a plus.
• Monitoring and improving front-end performance
• A passion for new consumer technology and the emerging media landscape
• F&B (Food and Beverages) domain experience is a plus.
• Keywords skill sets:- Node Js, Express Framework, Feathers Js, JavaScript, PHP, MVC Framework, REST API, Web Services/REST/JSON, MySQL, MongoDB, AWS

Node.js Developer Requirements:

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

2. At least two years' experience as a Node.js developer.

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

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

5. Superb interpersonal, communication, and collaboration skills.

6. Exceptional analytical and problem-solving aptitude.

7. Great organizational and time management skills.

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

Company Overview:  

At Codvo, software and people transformations go hand-in-hand. We are a global empathy-led technology services company. Product innovation and mature software engineering are part of our core DNA. Respect, Fairness, Growth, Agility, and Inclusiveness are the core values that we aspire to live by each day.  

We continue to expand our digital strategy, design, architecture, and product management capabilities to offer expertise, outside-the-box thinking, and measurable results.  

Roles & Responsibilities : 

Familiar with the software development life cycle (SDLC) from analysis to deployment & coding standards. 

Believes in systematic approach to developing the system through clear documentation (flowcharts, layouts, & etc) of functionality, address every use case through creative solutions. 

Ability to integrate the developed functionality and/or component into a fully functional system. 

Ensure unit and integration level verification plan are in place 

Actively participate in troubleshooting, debugging and updating current live system. 

Work closely with analysts, designers and other peer developers. 

Preparing technical training documents for onboarding new engineers. 

Requirements : 

Must have good understanding of Object Oriented Programming 

5 years or more of professional software development experience with 3 or more years of experience developing .NET/C# web applications using Microsoft Development Products 

Define, design and build varied components of web-based and/or mobile applications 

Experience using WPF (Windows Presentation Foundation) to build Windows desktop applications is a plus 

Experience using JavaScript frameworks/libraries (Angular, React, JQuery, D3) is a plus 

Experience with SQL Server (relational databases) and no-SQL Databases (Apache Cassandra or similar) 

Strong analytical skills – be a problem solver and be able to develop complex algorithms 

Strong familiarity of software architecture, databases and design patterns 

Exposure or understanding of deploying applications on cloud platforms like Azure/AWS 

Experience : 5+Years 

Job Location : Remote 

Work Timings : 3pm- 12 am 

• Minimum 2 years experience on MEAN Stack
• Extensive hands-on experience in Node JS/Express/Hapi JS, Moleculer and NoSQL DBs (Mongodb and Redis are preferred)
• Strong coding and designing skills
• Working understanding of Continuous Integration and Continuous Deployment concepts and tools such as (Gitlab CI/CD), Development tools (Git), Application Servers (nginx, Apache)
• Experience in consuming and developing secure RESTful API/web-services
• Comfortable using Unix / Linux machines from command prompt
• As a full-stack architect in the team, you'll bring your ideas to life on a technology stack of Node JS and NoSQL Databases among others.
• We are looking for tech geeks who are hands-on and in love with building scalable, distributed and large web / mobile products.
• You must be an excellent problem solver with passion to self-learn and implement backend technologies
• You would be responsible for the architecture design, code review and technology build and deployment activities of web/mobile applications.
• Own the product development from scratch - Architect scalable, distributed and large scale web and mobile solutions from scratch
• You would be responsible for writing SRS and require strong technical writing and communication skills
• You would be responsible for managing and mentoring your team members and help them advance in their learning and career goals
• Ensure test driven development (TDD) methodologies are deployed to execute project
• Define and ensure right coding practices
• Code for fresh development and to troubleshoot and resolve issues
• Lead web development efforts, including hiring, mentoring and advising peers

Hands -on experience with the following technologies is needed:

1. Good Knowledge of Python & Django Framework.
2. Experience in Git or any Version control systems.
3. Experience in SQL Databases like MySQL and PostgreSQL.
4. Knowledge of NoSQL Databases like Mongodb.
5. Worked on Django based live projects.
6. To implement microservices using Django rest framework.
7. Handling various technical aspects like coding of modules using the given design specifications
8. Debugging and fixing the defects as well as analyzing its root cause.
9. Deployment(AWS) and monitoring of the live project.
10. Mentoring junior developers.

Knowledge/Experience of AWS will be a big plus

Preferred Qualifications: 
B-Tech-IT/B-Tech -CSE/BCA or any degree in the relevant field

Required Experience: 
3 – 6 Years