Back End Developer

Infinixsys

5 years

0 Lacs

india

Posted:1 day ago| Platform:

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Skills Required

developer node.js microservices integration mobile scalability reliability design react.js data database mysql management aws logging security integrity compliance content ai ml interoperability authentication notifications devops code engineering mongodb messaging monitoring stack firebase api git github technology development communication teamwork

Work Mode

On-site

Job Type

Full Time

Job Description

Job Title- Backend Develper(Nodejs/Expressjs)

About the Role:

Backend Developer

Key Responsibilities:

Design, develop, and maintain robust, scalable backend services and APIs using
Node.js
and
Express.js
.
Architect and implement
microservices
for modular and scalable systems.
Integrate and manage
real-time communication
using
Socket.io
.
Work closely with
frontend teams
using
React.js / Next.js
for seamless data exchange.
Design and optimize database schemas and queries using
MongoDB
(and optionally MySQL/PostgreSQL).
Implement
message-driven communication
using
Kafka
or other message brokers.
Leverage
Redis
for caching, session management, and performance optimization.
Deploy, manage, and monitor applications on
AWS cloud services
(EC2, ECS, S3, Lambda, etc.).
Set up and maintain
logging and monitoring
using
ELK Stack
,
Prometheus
, and
Grafana
.
Ensure data security, integrity, and compliance across all backend services.
Implement
content moderation systems
(AI/ML or rule-based) for platform safety and compliance.
Integrate
third-party APIs
and ensure smooth interoperability with external systems.
Work with
Firebase
for authentication, notifications, and real-time data handling.
Collaborate with DevOps and QA teams for
CI/CD pipelines
,
code reviews
, and
performance testing
.
Participate in architectural discussions, contribute to product design, and ensure best engineering practices.

Required Technical Skills:

Backend Technologies:
Node.js, Express.js
Frontend Knowledge (Preferred):
React.js, Next.js
Databases:
MongoDB, Redis
Messaging Queue / Streaming:
Kafka
Architecture:
Microservices, RESTful APIs, WebSockets
Monitoring & Logging:
ELK Stack, Prometheus, Grafana
Cloud:
AWS (EC2, ECS, S3, CloudWatch, etc.)
Real-time Communication:
Socket.io
Integration:
Firebase, Third-party API Integration (Payment, Notification, Auth, etc.)
Version Control:
Git / GitHub / GitLab
CI/CD Tools:
AWS CodePipeline (preferred)

Qualifications:

Bachelor’s or Master’s degree in Computer Science, Information Technology, or related field.
Minimum
5 years of professional experience
in backend development with Node.js and Express.js.
Proven experience in designing and deploying
microservices architectures
at scale.
Strong understanding of
system design, security, scalability
, and
API optimization
.
Experience in
performance tuning
,
code optimization
, and
debugging
complex systems.
Excellent problem-solving and analytical skills.
Strong communication and teamwork abilities.

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