Senior Java Full‑Stack Engineer — Hybrid Dublin

Tata Consultancy Services; Dublin; Hybrid; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Pension

Health care

Life assurance

Laptop provided

Training resources

Job summary

Tata Consultancy Services is seeking a Senior Java Full Stack Engineer to design, build, and optimize scalable enterprise applications using Java, microservices, Kafka, Oracle, and React. You will drive architectural excellence and best practices across backend and frontend domains.

You will lead design reviews, mentor engineers, and help bridge frontend API contracts with occasional React workflows, emphasizing robust, resilient systems and clean interfaces.

Qualifications

• Core Java with concurrency, memory management, and Java 8+ paradigms.
• Spring Boot, Spring Data, Spring Security, Spring Cloud expertise.
• Kafka production experience, partitioning, retention, replication, delivery guarantees.
• Oracle SQL/PLSQL, debugging locks, isolation levels, complex joins.

Responsibilities

• Design, build, and maintain scalable backend services using Java, Spring Boot, and event‑driven distributed architectures.
• Refactor landscapes using patterns like Domain‑Driven Design, Event Sourcing, Circuit Breakers for maintainability and resilience.
• Lead design reviews and create architectural blueprints mapping system interactions and data flows.
• Author optimized Oracle SQL/PLSQL queries; analyze slow queries and improve performance via indexing or caching.
• Design Kafka topics and event streams to ensure data consistency, fault tolerance, and low latency across microservices.
• Manage distributed transactions using Saga patterns where ACID across databases is impractical.

Skills

Core Java

Spring Boot & Spring Ecosystem

Distributed Messaging (Kafka)

Relational Databases (Oracle SQL/PLSQL

SOLID & GoF Design Patterns

Microservices Architecture

Frontend React & State Management

JVM Tuning & Performance

Event-Driven Architecture

Tools

React Tooling (Webpack/Vite)

Oracle RDBMS Tools

Job description

Tata Consultancy Services is seeking a Senior Java Full Stack Engineer to design, build, and optimize scalable enterprise applications using Java, microservices, Kafka, Oracle, and React. You will drive architectural excellence and best practices across backend and frontend domains.

You will lead design reviews, mentor engineers, and help bridge frontend API contracts with occasional React workflows, emphasizing robust, resilient systems and clean interfaces.