Backend Developer

Job Title : Node.js Developer

Experience : 3+ Years

Location : Gurgaon

Interview Rounds : 3

Mandatory Key Skills :

• Node.js, TypeScript
• PostgreSQL, MongoDB
• API Development, Microservices

Responsibilities :

• Develop and maintain scalable backend applications.
• Design and optimize database queries in PostgreSQL & MongoDB.
• Collaborate with cross-functional teams for seamless integration.

Key Responsibility Areas:

• Develop tools and applications by producing clean, efficient code.
• Determine operational feasibility by evaluating analysis, problem definition, requirements, solution development and proposed solutions
• Perform validation and verification testing and debud code.
• Work collaboratively with others to achieve goals
• Experience working in an agile environment

Required Skills:

• Experience in implementing Object-Oriented Python, Django.
• Good understanding on Django
• Experienced in interfacing with *third party API’s using REST
• Worked with varieties of Relational Databases (RDBMS) like SQLite, MySQL, PostgreSQL.
• Experience in Version Control with Git and Bitbucket.
• Experience with JIRA the development progress and tracking deadlines of the project

Description

Join company as a Backend Developer and become a pivotal force in building the robust, scalable services that power our innovative platforms. In this role, you will design, develop, and maintain server‑side applications, ensuring high performance and reliability for millions of users. You’ll collaborate closely with cross‑functional product, front‑end, and DevOps teams to translate business requirements into clean, efficient code, while participating in code reviews and architectural discussions. Our dynamic environment encourages continuous learning, offering opportunities to work with cutting‑edge technologies, cloud infrastructures, and modern development practices. As a key contributor, your work will directly impact product quality, user satisfaction, and the overall success of company's mission to streamline hiring solutions.

Requirements:

• 1–15 years of professional experience in backend development, with a strong focus on building APIs and microservices.
• Proficiency in server‑side languages such as Python, Java, Node.js, or Go, and solid understanding of object‑oriented and functional programming paradigms.
• Extensive experience with relational (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB, Redis), including schema design and query optimization.
• Familiarity with cloud platforms (AWS, GCP, Azure) and containerization technologies like Docker and Kubernetes.
• Hands‑on experience with version control (Git), CI/CD pipelines, and automated testing frameworks.
• Strong problem‑solving abilities, effective communication skills, and a collaborative mindset for working within multidisciplinary teams.

Roles and Responsibilities:

• Design, develop, and maintain high‑throughput backend services and RESTful APIs that support core product features.
• Implement data models and storage solutions, ensuring data integrity, security, and optimal performance.
• Collaborate with front‑end engineers, product managers, and designers to define technical requirements and deliver end‑to‑end solutions.
• Participate in code reviews, provide constructive feedback, and uphold coding standards and best practices.
• Monitor, troubleshoot, and optimize production systems, implementing robust logging, alerting, and performance tuning.
• Contribute to the continuous improvement of development workflows, including CI/CD automation, testing strategies, and deployment processes.
• Stay current with emerging technologies and industry trends, proposing innovative approaches to enhance system architecture.

Budget:

• Job Type: payroll
• Experience Range: 1–15 years

Backend Engineer III – Senior Python Developer (LLM & AI)

Location: Gurgaon, India

Positions: 1

Experience: 6 to 9 Years

Gurgaon Hybrid

About the Role

We are seeking an experienced Backend Engineer III / Senior Python Developer to join our AI engineering team and play a critical role in building scalable, secure, and high-performance backend platforms for LLM and AI-driven applications. You will work as a hands-on individual contributor while collaborating closely with Machine Learning Engineers, Data Scientists, Product Managers, and Cloud/DevOps teams to deliver innovative, production-grade AI solutions.

Key Responsibilities

• Design, develop, and maintain scalable backend systems and services using Python to support LLM and AI-based applications
• Build and maintain RESTful APIs and microservices that serve machine learning models and AI components
• Write clean, modular, efficient, and testable code following industry best practices and coding standards
• Participate actively in code reviews, ensuring high quality, security, and maintainability of the codebase
• Debug, profile, and optimize applications to improve performance, reliability, and scalability
• Identify and resolve performance bottlenecks in AI/ML pipelines and backend services
• Collaborate with ML engineers, data scientists, and product teams to translate business and technical requirements into robust backend solutions
• Mentor and support junior developers, promoting a culture of technical excellence and continuous learning
• Design and implement CI/CD pipelines and automate deployment workflows to ensure consistent and reliable releases
• Stay up to date with emerging trends in Python, cloud-native development, and LLM/AI engineering practices and apply them to improve systems and processes

Required Skills & Experience

• 6 to 9 years of strong hands-on experience in Python development
• Solid understanding of Python software design, architecture patterns, and testing best practices
• Proven experience working on AI, Machine Learning, or LLM-based projects
• Strong experience in building and consuming RESTful APIs and microservices architectures
• Hands-on experience with FastAPI, Flask, or similar model-serving frameworks
• Strong debugging, performance profiling, and optimization skills
• Experience with CI/CD tools and workflows (e.g., GitHub Actions, Azure DevOps, Jenkins, etc.)
• Working knowledge of Docker and Kubernetes is a strong plus
• Excellent analytical, problem-solving, and communication skills
• Ability to work independently in a fast-paced, evolving AI/ML environment while mentoring junior team members

Education & Certifications

• Bachelor’s degree in Computer Science, Software Engineering, or a related technical field
• AWS or other relevant cloud certifications are preferred but not mandatory

Why Join Us?

• Work on cutting-edge AI and LLM platforms
• Collaborate with top-tier engineering and data science teams
• Opportunity to influence system architecture and technical direction
• Competitive compensation and career growth opportunities

• Clarify feature requirements with the product team
• Design end to end feature flow
• Write scalable and bug-free code
• Take care of test and deployment pipeline
• Maintaining the existing products

If you're an experienced back-end developer with experience using serverless architecture (AWS Lambda, DynamoDB) and microservices, this could be the ideal job for you!

You'll be at a senior position, developing & maintaining microservices, business logic, and optimization/maintenance of the global database(s) to ensure a high performance & responsiveness to requests from the front-end.

Language:

Node.js/Tyepscript

Resposibilities:

Building stable, testable, and reusable code libraries for future use.

Write & maintain REST APIs for front-end consumption.

Managing deployments, code pushes (CI/CD pipelines).

Ongoing optimization of backend applications for maximum speed and scalability.

Implementation of security and data protection.

Design and implementation of data storage solutions.

Ideal Candidate:

At least 3-4+ years of server-side programming experience.

Solid experience working with NoSQL databases & microservices architecture.

Solid experience with version control (we use Github).

Decent experience with serverless architecture, code deployment and cloud platforms like AWS.

GOOD TO HAVE: Any experience working with fintech projects.

PYTHON, SQL, TensorFlow, NumPy, SciPy, Pandas

Quoality- A Modern Operating Infrastructure for Hospitality Businesses to help them improve the guest experience and generate additional revenue.

Launched in 2021, Quoality is a Hospitality Tech company backed by a US-based Newchip Accelerator. Our mission is to equip businesses with the tools they need to grow. 

By providing tools, insights, and education with minimal effort on the business's part, the barrier to making actionable business decisions is lowered dramatically. Everything we do is driven by this mission. Everything we do needs to positively answer the question, "Does this help businesses grow?"

Product Demo: https://www.youtube.com/watch?v=gKklkRYKkC4&;t" target="_blank">https://www.youtube.com/watch?v=gKklkRYKkC4

Quoality Blogosphere: https://medium.com/quoality" target="_blank">https://medium.com/quoality

Oh, this is our favorite part. We’ve seen companies that write 'templatized' BS for this section; stuff that’s never followed in reality.

Not us. Here are some of our core values to give you a sense of who we are as a team:

• First and foremost, we’re super transparent. We all know what everyone’s working on, how’s the company doing, and the whole shebang.
• We’re all super chill. 
• Work time ain’t playtime. We take our work very seriously. We’re a small bunch on a mission to change the guest experience in the hospitality industry, once and for all.
• Deadlines are a thing for us. We are super punctual.
• We know what we are working on and aren’t clueless.
• We’re more friends than colleagues.
• Monthly 1:1s with the founders where you can directly share & receive feedback.

Not convinced yet? Okay, here’s the fun stuff:

• Flexible leave policy. Yeah, it’s truly flexible. We trust you.
• We have a flexible remote work policy in India.  Work from the beautiful beaches of Goa or the stunning mountains of Manali, we’re all good.
• Annual workstations at exotic destinations. Subject to change and hitting milestones.
• Allowances to choose your coworking space (if you want), courses & any tool that you think is beneficial to succeed in this role.
•  

• Write code that will impact the businesses of thousands of hotels, hostels, and vacation homes across the globe.
• Collaborate with Frontend to spec, write, test, and deploy API endpoints.
• Implementation of a robust set of services and APIs that work on our data pipelines.
• Build all support infrastructure to scale our data delivery pipelines - endpoints, security, logging, messaging.
• Product development activity includes data querying from our various stores, real-time analytics, ML algorithms.
• Developing & Integrating of the front-end and back-end aspects of the web application
• Optimization of the application for maximum speed and scalability.
• Brainstorm features with the product team and guides decisions based on your knowledge of the codebase.
• Take full ownership of the module starting from architectural and design decisions to shipping.
• Like the work you do, enjoy collaborating with your coworkers, communicate as much as you can, and have fun. 
  
  

• 1+ years of relevant work experience.
• Understanding the nature of asynchronous programming and its quirks and workarounds.
• You possess strong computer science fundamentals: data structures, algorithms, distributed systems, and information retrieval.
• You have a good understanding of multi-process architecture and the threading limitations of NodeJs and Express frameworks.
• Understanding of fundamental design principles behind a scalable application.
• Good understanding of server-side templating languages.
• You have good knowledge of relational databases as well as key-value databases and are capable of designing scalable database models based on the product requirements.
• Familiarity with REST API development standards, protocols (HTTP, WebSockets and more), and GraphQL.
• You’re comfortable picking up new stacks and choosing the right tool to get the job done.
• You are open to learning new stuff and avoid internal politics. (super important).
• You are humble, kind, and are open to feedback.(super duper important).

• Entrepreneurial spirit, Product Thinker, and ‘Can-Do' attitude.
• Passionate about leveraging technology for supporting product delivery in the Hospitality space.
• Operating style suited to working in a startup environment, where teamwork and resourcefulness are highly valued.
• Excellent leadership skills, including the ability to manage multiple assignments at a time.

Yes, we do have a process, and it’s simple.

• Step 1: You apply for the job.
• Step 2: Quick intro call with the founders.
• Step 3: Solve an assignment.
• Step 4: A round where we evaluate your assignment along with you.
• Step 5: One round of interviews to gauge if you are a good culture fit.
• Step 6: Job Offer (contingent on the above steps).
• Step 7: Welcome to the Quoality! 🙂