Senior Java Full Stack Engineer: Microservices & Kafka

DNS Info Ltd; Glasgow; On-site; GBP 85,000 - 120,000; Full time

Job summary

DNS Info Ltd in the United Kingdom is seeking an experienced Java Full Stack Developer to build scalable enterprise applications using modern Java technologies. The role requires hands-on work with Kafka, Kubernetes, API security, SQL databases, and Spring-based microservices development.

You will design, develop, and maintain Java-based applications, develop RESTful APIs with secure authentication, implement observability, and ensure performance and reliability in a fast-paced SDLC.

Qualifications

• Strong experience with Java 11/17+ and Spring Boot frameworks.
• Expertise in Microservices Architecture and building RESTful services.
• Hands-on experience with Apache Kafka for real-time data processing and messaging.
• Experience deploying on Kubernetes environments and cloud-native patterns.
• Knowledge of API authentication/authorization (OAuth2, JWT, OpenID Connect).
• Familiarity with observability and monitoring tools (Grafana, Prometheus, Splunk, ELK).
• Proficient in SQL databases (Oracle, PostgreSQL, SQL Server, MySQL).
• Strong debugging, performance tuning, and CI/CD practices (Git, Maven, Jenkins).

Responsibilities

• Design, develop, and maintain scalable Java-based applications using Java 17+, Spring Boot, and Microservices.
• Develop and consume RESTful APIs with robust authentication/authorization.
• Build event-driven solutions using Apache Kafka for real-time processing.
• Deploy, manage, and troubleshoot applications on Kubernetes environments.
• Implement observability with monitoring tools like Grafana, Prometheus, Splunk, ELK.
• Ensure code quality via unit tests, code reviews, and CI/CD.
• Develop complex SQL queries and optimize database performance.
• Collaborate with stakeholders, architects, QA, and DevOps throughout SDLC.

Skills

Java

Spring Boot

Microservices

Kafka

Kubernetes

API Security

OAuth 2.0

JWT

OpenID Connect

Observability

SQL

REST APIs

CI/CD

Docker

Cloud

Tools

Git

Maven

Jenkins

CI/CD pipelines

Job description

DNS Info Ltd in the United Kingdom is seeking an experienced Java Full Stack Developer to build scalable enterprise applications using modern Java technologies. The role requires hands-on work with Kafka, Kubernetes, API security, SQL databases, and Spring-based microservices development.

You will design, develop, and maintain Java-based applications, develop RESTful APIs with secure authentication, implement observability, and ensure performance and reliability in a fast-paced SDLC.