Back End Engineer

Nxtwave Disruptive Technologies(Hiring for a Client); Gurugram District; On-site; INR 2,500,000 - 4,000,000; Full time

Job summary

Nxtwave Disruptive Technologies (Hiring for a Client) seeks a Senior Backend Engineer to design and develop scalable, high-performance web applications. You will build backend systems, APIs, and data pipelines, collaborating with frontend, AI teams, product managers, and ops to deliver cohesive features.

You will ensure reliability, security, and performance of backend services, write clean code, implement automated tests, CI/CD, and IaC where applicable, and own end-to-end lifecycle from

Qualifications

• 4 - 6 years of backend development experience in startups/SaaS/AI products.

Responsibilities

• Design, develop, and maintain scalable backend systems, APIs, and data pipelines.

Skills

Node.js

Python

Go

RESTful API design

PostgreSQL

MongoDB

ElasticSearch

AWS

GCP

Azure

Docker

Kubernetes

CI/CD

Unit testing

Integration testing

Tools

PostgreSQL

MongoDB

ElasticSearch

Docker

Kubernetes

AWS

GCP

CI/CD tools

Job description

Role & responsibilities

We are looking for a Senior Backend Engineer to design and develop user-friendly, scalable, and high-performance web applications. This role requires deep expertise in backend technologies, attention to detail, and the ability to collaborate with cross-functional teams.

• Design, develop, and maintain scalable backend systems, APIs, and data pipelines.
• Collaborate closely with frontend engineers, product managers, and AI teams to deliver cohesive features and seamless user experiences.
• Ensure the reliability, security, and performance of backend systems.
• Write clean, maintainable, and efficient code using modern backend practices.
• Implement automated testing, CI/CD workflows, and infrastructure as code (where applicable).
• Own the end-to-end lifecycle of backend features, from architecture to deployment.
• Monitor production systems and resolve performance and scalability issues.
• Contribute to architectural decisions and help evolve our engineering best practices.

Preferred candidate profile

• 4 - 6 years of experience in backend development in startups, preferably in SaaS or AI-driven products.
• Proficiency in Node.js, Python, or Go
• Deep understanding of RESTful API design.
• Strong experience with databases: PostgreSQL, MongoDB, ElasticSearch.
• Exposure to message queues, job schedulers, or event-driven architectures (e.g., SQS, Celery, etc).
• Familiarity with cloud platforms like AWS, GCP, or Azure and containerization tools (Docker, Kubernetes).
• Experience with Git, CI/CD tools, and writing unit/integration tests.
• Strong problem-solving skills and a mindset geared toward performance and security.
• Excellent communication and collaboration abilities.