Senior Java Software Engineer

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.

We're hiring Java Backend Developer in India. It's 100% Remote role

Note : 4 hours-5 hours overlap required PST hours

Key Responsibilities:

Design and develop scalable microservices using Java 17 and Spring Boot.

Build reactive applications using Spring WebFlux and Project Reactor.

Architect and implement event-driven systems using Kafka and Azure Event Hub.

Collaborate with DevOps to deploy and monitor services in AWS and Azure cloud environments.

Develop APIs that are secure, reliable, and optimized for high throughput.

Participate in code reviews, mentor junior developers, and enforce best practices.

Troubleshoot production issues and ensure system reliability (observability, tracing,

logging).

Required Qualifications:

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

Strong knowledge of Spring WebFlux and reactive programming (Project Reactor).

Production experience with Kafka (Producers, Consumers, Kafka Streams).

Hands-on experience with AWS services such as EC2, S3, Lambda, SNS/SQS, or Azure

Event Hub and Azure SDKs.

Experience building distributed systems that are performant and highly available.

Proficient in REST API development, asynchronous programming, and non-blocking I/O.

Familiar with MST (Microservices Testing) strategies, including contract testing,

mocking, and test containers.

Strong knowledge of system design, including load balancing, caching, partitioning, and

data flow optimization.

Familiar with containerization tools (Docker) and orchestration (Kubernetes is a plus).

Preferred Qualifications:

Experience with observability tools (Grafana, Prometheus, ELK, Datadog).

Exposure to CI/CD pipelines (GitHub Actions, Jenkins).

Experience working in an agile development environment.

Knowledge of both AWS and Azure is a strong plus.

Soft Skills:

Excellent verbal and written communication skills.

Strong collaboration and team-oriented mindset.

Ability to explain complex technical concepts to non-technical stakeholders.

Self-motivated with a passion for learning and applying new technologies.

Strong problem-solving skills and attention to detail.

Leadership in driving technical decisions and mentoring peers.

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