Principal Engineer

Vlink; Chennai District; Hybrid; INR 1,200,000 - 1,800,000; Full time

Job summary

Vlink in Chennai, India seeks a seasoned Java Expert who blends architecture with hands-on coding to deliver scalable enterprise solutions. The role focuses on architecting Java/Jakarta EE systems, applying DDD, and guiding cloud-native microservices across AWS/Azure/GCP.

You will mentor teams, drive best practices, and solve complex engineering challenges while collaborating with product stakeholders to translate requirements into robust software.

Qualifications

• 4+ years of professional Java and Jakarta EE development experience.
• Strong command of Java SE 1121 and Jakarta EE techs including JPA, CDI, EJB, JAX-RS, and Jakarta EE containers.
• Proven microservices arch, DDD, and distributed systems expertise.
• Hands-on experience with cloud platforms (AWS, Azure, GCP) and containerization/orchestration (Docker, Kubernetes).
• Excellent understanding of event-driven architectures, messaging systems (Kafka, RabbitMQ), and API design (RESTful / GraphQL).
• Proficiency in CI/CD pipelines, DevOps practices, and modern workflows (Git, Jenkins).
• Strong analytical, problem-solving, and debugging skills.
• Excellent communication and leadership skills to guide teams and influence stakeholders.

Responsibilities

• Design, architect, and implement enterprise-grade applications using Java SE and Jakarta EE.
• Develop and review architecture/design docs for scalability, maintainability, and performance.
• Apply DDD to model complex domains effectively.
• Build microservices-based, event-driven, cloud-native architectures on AWS/Azure/GCP.
• Ensure system reliability and resilience in distributed environments.
• Lead and mentor development teams on design patterns, coding standards, and modern practices.
• Collaborate with product owners and stakeholders to translate requirements into robust solutions.
• Evaluate emerging technologies to improve performance and scalability.
• Participate in code reviews and maintain high standards of quality.

Skills

Java/Jakarta EE development

DDD

Microservices architecture

Cloud platforms (AWS/Azure/GCP)

Docker & Kubernetes

CI/CD / DevOps

Distributed systems

RESTful / GraphQL APIs

Leadership & mentoring

Code reviews & standards

Tools

Docker

Kubernetes

Git

Jenkins

Kafka

RabbitMQ

WebSphere Liberty

Payara

WildFly

Job description

About the Role :

We are looking for a highly skilled Java Expert who combines strong architecture and design capabilities with a hands-on approach to coding. The ideal candidate is deeply experienced in Java / Jakarta EE, Domain-Driven Design (DDD), and Cloud-Native Systems, with the ability to design and implement scalable, high-performing, and maintainable enterprise solutions.

This role requires a strategic thinker who can define architectural blueprints while remaining deeply involved in the technical implementation - mentoring teams, driving best practices, and solving complex engineering challenges.

Key Responsibilities :

• Design, architect, and implement enterprise-grade applications using Java SE (1121) and Jakarta EE frameworks.
• Develop and review detailed architecture and design documents aligning with best practices in scalability, maintainability, and performance.
• Apply Domain-Driven Design (DDD) principles to model complex business domains effectively.
• Build microservices-based, event-driven, and cloud-native architectures leveraging AWS, Azure, or GCP.
• Ensure system reliability and resilience in distributed system environments.
• Lead and mentor development teams on design patterns, coding standards, and modern software practices.
• Collaborate with product owners, business stakeholders, and cross-functional teams to translate business needs into robust technical solutions.
• Evaluate and integrate emerging technologies to improve system performance and scalability.
• Participate in code reviews and maintain high standards of code quality and technical excellence.

Required Skills & Qualifications :

• 4+ years of professional experience in Java and Jakarta EE development.
• Strong command of Java SE (1121) and Jakarta EE technologies including : JPA, CDI, EJB, JAX-RS, and Jakarta EE containers (e.g., WebSphere Liberty, Payara, WildFly).
• Proven expertise in microservices architecture, domain-driven design (DDD), and distributed systems.
• Hands-on experience with cloud platforms (AWS, Azure, or GCP) and containerization/orchestration (Docker, Kubernetes).
• Excellent understanding of event-driven architectures, messaging systems (Kafka, RabbitMQ), and API design (RESTful / GraphQL).
• Proficiency in CI/CD pipelines, DevOps practices, and modern development workflows (Git, Jenkins, etc.).
• Strong analytical, problem-solving, and debugging skills.
• Excellent communication and leadership skills, with the ability to guide teams and influence stakeholders.

Good to Have :

• Experience with Reactive frameworks (e.g., Spring WebFlux, Quarkus, or Micronaut).
• Exposure to NoSQL databases (MongoDB, Cassandra) and in-memory data grids (Hazelcast, Redis).
• Knowledge of security frameworks and OAuth2 / OpenID Connect.
• Familiarity with Observability tools (Prometheus, Grafana, ELK Stack).