Java Full Stack Developer

Qualient Technology Solutions UK Limited; London Borough of Croydon; On-site; GBP 70,000 - 100,000; Full time

Job summary

Qualient Technology Solutions UK Limited is seeking a Java/AWS developer to build solutions and simulators within an end-to-end system. The role requires deep SDLC knowledge and strong technical skills, with an emphasis on Java 8+, Spring frameworks, REST APIs, and AWS services.

You will work with PostgreSQL, Git/Jenkins, and Kubernetes in a microservices context, contributing to CI/CD pipelines and large-scale integration projects.

Qualifications

• Hands-on development with Java 8+ in a microservices environment.
• Experience writing unit tests (JUnit) for robust code.
• Strong Spring/SpringBoot experience; RESTful services.
• Proficient with relational databases (PostgreSQL).
• Git, Jenkins and CI/CD pipelines.
• Knowledge of microservices architecture and Kubernetes.

Responsibilities

• Develop solutions and simulators as part of end-to-end system.
• Work with Java 8+ and Spring/SpringBoot in microservices.
• Collaborate across teams to implement REST APIs and data access.
• Participate in CI/CD and version control workflows.
• Gain familiarity with AWS services (ECS, EKS, S3, SQS) and OpenStack.

Skills

Java 8+

Spring Framework

SpringBoot

JUnit

REST APIs

Relational Database

AWS

Microservices

CI/CD

Kubernetes

Git

Jenkins

ReactJS

Kafka

Mustache

ELK stack

OpenStack

Agile Scrum

Education

Tools

PostgreSQL

Docker

AWS Services (ECS, EKS, S3, SQS)

Job description

Java/AWS developer will be responsible for developing solutions and simulators as part of the end to end solution. The role requires in-depth understanding of the software development lifecycle and strong technical experience with an open-minded attitude and ability to rapidly adapt and learn.,

• Hands on experience with Java 8 or above


• Hands on experience on writing Junits


• Hands on experience on Spring Framework, SpringBoot


• Hands on experience with relational database (eg PostgreSQL)


• Hands-on experience on Git, Jenkins


• Understanding of micro-services architecture


• Understanding of AWS services like ECS, EKS, S3, SQS


• Understanding of REST APIs


• Understanding of CICD


• Good understanding of Kubernetes

Nice to have Skills:

• Docker


• JavaScript: ReactJS and NodeJS preferred


• AWS API Gateway and Serverless technologies


• Message broker like Apache Kafka


• BPM framework


• Mustache template


• Experience in large scale integration projects involving messaging, web services and distributed systems


• ELK stack


• OpenStack platform


• Agile development - Scrum, TDD