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:

Senior Java Microservices Engineer

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.