Backend Developer (Contributor)

QUINTESSENTIAL INNOVATIONS; Hyderabad; On-site; INR 1,500,000 - 3,500,000; Full time

Benefits offered by this job

AWS Certification

Cloud infrastructure exposure

Job summary

Quin is seeking an experienced Backend Developer to build and manage scalable backend systems on AWS using Node.js and databases like MongoDB and PostgreSQL/MySQL. The role focuses on secure, efficient APIs and cloud infrastructure design for high availability.

The ideal candidate has 5+ years in backend development with strong cloud experience, Docker, and API design. AWS certifications are a plus, and collaboration with cross-functional teams is essential.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field.

Responsibilities

• Design, develop, and optimize scalable backend systems and RESTful APIs using Node.js.
• Design, implement, and optimize data storage solutions in MongoDB and PostgreSQL/MySQL to ensure data integrity and high performance.
• Architect and maintain cloud infrastructure on AWS, focusing on scalability, security, and cost-effectiveness.
• Implement and manage logging, monitoring, and alerting systems to ensure high availability and resilience of backend services hosted on AWS.
• Develop secure, well-documented APIs for frontend and third-party integrations.
• Apply security best practices including data encryption and access controls; ensure regulatory compliance.
• Optimize code, database queries, and AWS configurations to reduce latency and improve performance.
• Collaborate with frontend, product, and DevOps teams to align on goals and deliverables.

Skills

Backend development

Cloud engineering

Problem solving

Team collaboration

Education

Bachelor's degree in Computer Science or related field

Tools

Node.js

Express.js

MongoDB

PostgreSQL

MySQL

AWS

EC2

S3

RDS

Lambda

API Gateway

IAM

VPC

Docker

Kubernetes

Kafka

RabbitMQ

Redis

GraphQL

Git

Jenkins

GitLab CI

AWS CodePipeline

Job description

Quin is a pioneer in Smart Helmet Technology, revolutionizing rider safety with cutting‑edge smart technology. Our mission is to provide riders with modern safety essentials that offer superior holistic protection. At the heart of our innovation are proprietary chipsets with integrated sensor technology and mobile apps that record every detail of rides, capturing critical crash data that saves lives while providing deep insights into riding patterns. We are not just creating helmets; we are redefining what it means to ride safely in the modern world.

Job Description;

We are looking for an experienced Backend Developer with a strong background in building and managing scalable backend systems using AWS Cloud , Node.js , MongoDB , Postgresql or MySQL or any other SQL database , and The ideal candidate will play a key role in designing, developing, and maintaining backend services and APIs that are secure, efficient, and highly available. This role requires a deep understanding of cloud infrastructure, database management, and backend development best practices.

Responsibilities;

• Backend Development: Design, develop, and optimize scalable backend systems and RESTful APIs using Node.js.
• Database Management: Design, implement, and optimize data storage solutions in MongoDB and Postgresql/MySQL to ensure data integrity and high performance.
• Cloud Infrastructure: Architect and maintain cloud infrastructure on AWS , focusing on scalability, security, and cost-effectiveness.
• Service Monitoring: Implement and manage logging, monitoring, and alerting systems to ensure high availability and resilience of backend services built for hosting on AWS cloud.
• API Development & Integration: Develop secure, efficient, and well‑documented APIs for integration with front‑end and third‑party services.
• Security & Compliance : Implement security best practices, including data encryption, secure access controls, and compliance with industry standards.
• Performance Optimization: Optimize code, database queries, and AWS configurations to improve system performance and reduce latency.
• Collaboration: Work closely with cross‑functional teams (frontend developers, product managers, DevOps) to define and execute development goals.

Qualifications:

Education: Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience).

Experience: Minimum of 5 years in backend development, with at least 3 years focusing on cloud‑based architectures and services

Primary Technical skills: Senior Backend Cloud Developer with a strong background in building and managing scalable backend systems using AWS Cloud , Node.js , MongoDB , Postgresql or MySQL or any other SQL database

Strong exposure to AWS cloud infrastructure, using various AWS cloud services in real time projects will be great

AWS Cloud Certification will be a plus

Required Skills:

• Node.js: Strong experience in backend development using Node.js, including frameworks like Express.js.
• Databases: Proficient with both MongoDB (NoSQL) and MySQL (SQL), with hands‑on experience in database design, indexing, and optimization.
• AWS Cloud: In‑depth experience with AWS services like EC2, S3, RDS, Lambda, and API Gateway. Familiarity with IAM, VPCs, and load balancing.
• API Development: Expertise in developing and managing RESTful APIs and experience with GraphQL is a plus.
• CI/CD Pipelines: Knowledge of continuous integration/continuous deployment practices and tools (e.g., Jenkins, GitLab CI, or AWS CodePipeline).
• Security Best Practices: Experience implementing security best practices (e.g., JWT, OAuth2, HTTPS) and understanding of data privacy regulations (e.g., GDPR, HIPAA).
• Containerization & Orchestration: Experience with Docker and familiarity with Kubernetes or AWS ECS is a plus.
• Code Management: Strong Git and version control skills.
• Experience with event driven architecture(e.g. Kafka, RabbitMQ)
• Exposure on caching technologies like Redis
• Excellent problem‑solving and debugging skills to resolve issues in real time for production issues

Why Join Quin;

At Quin, you will be part of a passionate team dedicated to making a real difference in riders' lives. We offer a dynamic work environment where your ideas can directly impact product

development and rider safety. You will have the opportunity to work on ground‑breaking

technology, collaborate with passionate experts, and contribute to shaping the future of rider

safety. Join us in our mission to make riding smarter, safer, and more enjoyable.

If you are excited about leveraging cutting‑edge technology to enhance road safety and rider

experience, Quin is the perfect place for you to accelerate your career. We are not just

employees, we are innovators, riders, and guardians of the road. Come be part of a company that is redefining what it means to ride safely in the modern world.