Job Description

About Alphanext

Alphanext is a global talent solutions provider with locations in London, Pune, and Indore. We partner with leading companies to deliver high-performance technology talent across domains and industries.

About the Role

Alphanext is hiring a

Senior Software Engineer

to join a high-impact product engineering team focused on delivering robust and scalable backend services. The ideal candidate will have strong experience in building

Java microservices

, working with

real-time communication

, and deploying solutions in a

distributed architecture

. This is a hands-on engineering role that combines coding excellence, architectural knowledge, and team collaboration.

Key Responsibilities

Design and develop

Java-based microservices

using

Spring Boot

and modern architectural best practices. Build real-time features using

WebSocket

for low-latency communication. Develop and manage background/scheduled jobs with

ScheduledExecutorService

. Apply microservice design patterns like

Circuit Breaker

,

Saga

,

API Gateway

, or

CQRS

. Implement

asynchronous communication

via

Kafka

or

REST APIs

. Define clean

service boundaries

, maintain API contracts, and uphold service-level agreements. Own features end-to-end including design, development, deployment, and production support. Collaborate with

DevOps

for CI/CD pipelines, monitoring, and system observability. Participate in

code reviews

,

architecture discussions

, and provide mentorship to junior team members. Troubleshoot and resolve issues in production and development environments.

Required Skills

Proficiency in

Java 11+

,

Spring Boot

, and

Spring Cloud Gateway

. Strong understanding and application of microservice design patterns such as:

+

Circuit Breaker

,

API Gateway

,

CQRS

,

Saga

,

Service Mesh

Experience building

WebSocket

communication using

Spring WebSocket

or

Netty

. Experience using

ScheduledExecutorService

for background tasks. Hands-on experience with

Kafka

or similar event/message queues. Database experience with

PostgreSQL

or

MS SQL

; familiarity with

MongoDB

or

Redis

is a plus. Familiarity with

Docker

and working knowledge of

Kubernetes

. Understanding of

OAuth2

,

JWT

, and security principles. Experience with CI/CD pipelines and monitoring tools like:

+

Prometheus

,

Grafana

,

ELK Stack

, etc.
Excellent debugging, troubleshooting, and problem-solving skills.

Good to Have

Prior experience in

mentoring or leading engineers

. Knowledge of

Service Mesh

concepts and implementations (e.g., Istio, Linkerd). * Exposure to

domain-driven design (DDD)

or

clean architecture

approaches.