Fifty Five Technologies - Lead Java Developer
Job Description
Job Title: Senior Java Developer - Multi-SaaS / Microservices / Pub-Sub
Exp Range - 7-10 Years
Location - Gurugram /Noida(WFO - Hybrid)
About the Role
We are seeking a highly skilled Senior Java Developer with strong leadership abilities to join our team. The ideal candidate will have deep expertise in Java, micro services architecture, multi-tenant SaaS systems, pub/sub messaging, and cloud-based deployments on AWS EKS. This role requires not only technical mastery but also the ability to mentor teams, influence architecture decisions, and ensure best practices through Test-Driven Development (TDD).
Key Responsibilities
Lead design and development of Java-based multi-tenant SaaS applications using microservices architecture.
Implement pub/sub messaging systems for event-driven communication.
Deploy, monitor, and optimize services on AWS ECS.
Ensure system reliability, scalability, and security using AWS CloudWatch and other observability tools.
Apply TDD principles to drive high-quality, maintainable code.
Collaborate with product managers, architects, and other developers to translate requirements into technical solutions.
Lead code reviews, mentor junior engineers, and promote engineering best practices.
Take ownership of end-to-end delivery, from architecture design to production rollout.
Required Skills & Qualifications
Proficiency in Java with 7+ years of professional development experience.
Strong background in microservices architecture and multi-tenant SaaS systems.
Expertise in pub/sub messaging patterns (e.g., Kafka, RabbitMQ, or AWS SNS/SQS).
Hands-on experience with AWS ECS and container orchestration (Kubernetes).
Strong understanding of monitoring and logging using AWS CloudWatch or similar tools.
Proven experience applying Test-Driven Development (TDD) in real-world projects.
Demonstrated leadership skills - mentoring, decision-making, and driving engineering excellence.
Solid understanding of software engineering best practices, CI/CD, and version control (Git).
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