Senior Java Microservices Engineer (Spring Boot | Reactive | Cloud – AWS / Azure)

About Company,

Droisys is an innovation technology company focused on helping companies accelerate their digital initiatives from strategy and planning through execution. We leverage deep technical expertise, Agile methodologies, and data-driven intelligence to modernize systems of engagement and simplify human / tech interaction.

Amazing things happen when we work in environments where everyone feels a true sense of belonging and when candidates have the requisite skills and opportunities to succeed. At Droisys, we invest in our talent and support career growth, and we are always on the lookout for amazing talent who can contribute to our growth by delivering top results for our clients. Join us to challenge yourself and accomplish work that matters.

Senior Java Microservices Engineer (Spring Boot | Reactive | Cloud – AWS / Azure)

Fulltime

Remote in India(100%)

Note : -Someone who can work over lap PST time zone ( till 1 : 00 AM IST)

About the Role : We are looking for a

Senior Java Microservices Engineer

with deep expertise in

Java 17 ,

Spring Boot , and

reactive programming . You’ll design and develop

high-performance, scalable, event-driven microservices

deployed across

AWS and Azure

cloud environments. This role offers the opportunity to influence architectural decisions, mentor peers, and shape modern backend solutions for large-scale distributed systems.

⚙️

Key Responsibilities :

Design, develop, and maintain

reactive microservices

using

Java 17 ,

Spring Boot , and

Spring WebFlux .

Implement

event-driven architectures

using

Apache Kafka

and

Azure Event Hub .

Collaborate with

DevOps

teams for deployment, monitoring, and scaling in

AWS and Azure .

Build and maintain

secure, performant REST APIs

with asynchronous, non-blocking I / O.

Ensure

system reliability ,

observability , and effective monitoring (metrics, tracing, logging).

Conduct

code reviews , drive

best practices , and

mentor junior engineers .

Design distributed systems with attention to

performance, scalability, and fault tolerance .

Partner with cross-functional teams to deliver robust, production-grade microservices.

Must-Have Skills :

Core Technical Expertise

6+ years of hands-on experience with Java and the Spring ecosystem (Boot, Web, Data).

Java 17

and

Spring Boot

(Spring Web, Spring Data, WebFlux)

Reactive programming

(Project Reactor)

Event-driven systems

– Kafka (Producers, Consumers, Streams) or Azure Event Hub

REST API

design & development (asynchronous, non-blocking)

AWS or Azure Cloud

services (EC2, S3, Lambda, SNS / SQS, Event Hub, Azure SDKs)

Containerization

(Docker) and familiarity with

Kubernetes

Microservices testing

– contract testing, mocking, Testcontainers

CI / CD pipelines

– GitHub Actions, Jenkins, or similar

Observability tools

– Grafana, Prometheus, ELK, Datadog

Architecture & System Design

Strong knowledge of

distributed systems , including load balancing, caching, partitioning, and data flow optimization

Understanding of

system scalability

and

fault tolerance

Experience in

secure API

design and

performance optimization

Soft Skills

Excellent

communication

and

collaboration

skills

Ability to

mentor junior developers

and lead technical discussions

Analytical thinker

with a problem-solving mindset

Proactive , self-driven, and passionate about emerging technologies

Comfortable working in

Agile / Scrum

environments

Preferred Qualifications :

Experience with

both AWS and Azure

cloud ecosystems

Exposure to

observability platforms

(Grafana, Prometheus, ELK, Datadog)

Familiarity with

Kubernetes

and

container orchestration

Experience in

Agile

and

CI / CD automation pipelines

Droisys is an equal opportunity employer. We do not discriminate based on race, religion, color, national origin, gender, gender expression, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law. Droisys believes in diversity, inclusion, and belonging, and we are committed to fostering a diverse work environment.