Full Stack Developer (Java)

Datamatics Technologies LLC; Islamabad; On-site; PKR 1 - 2; Full time

Job summary

Datamatics Technologies LLC is seeking a talented Full Stack Developer with a strong emphasis on Java and its frameworks to design, develop, and maintain scalable web applications. The role spans frontend and backend, with a focus on backend development using Java, Spring Boot, and related ecosystems.

You will collaborate with cross-functional teams to deliver high-quality, secure software. Responsibilities include building RESTful APIs, implementing authentication mechanisms, and working on

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or related field.
• 4-7 years of experience as a Full Stack or Backend-focused Java Developer.
• Strong expertise in Java (8/11/17) and object-oriented programming.
• Hands-on experience with Spring Boot, Spring MVC, Spring Security, Hibernate/JPA.
• Experience in building RESTful APIs and microservices architecture.
• Proficiency in frontend technologies such as React, Angular, or Vue.js.
• Strong understanding of HTML5, CSS3, and JavaScript/TypeScript.
• Experience with relational databases (MySQL, PostgreSQL, Oracle) and basic NoSQL (MongoDB).
• Familiarity with Git, version control workflows, and Agile methodologies.
• Knowledge of unit testing frameworks (JUnit, Mockito).
• Understanding of authentication protocols (JWT, OAuth2).

Responsibilities

• Design, develop, and maintain scalable full stack applications using Java-based technologies.
• Build robust backend services and RESTful APIs using Java, Spring Boot, and Spring ecosystem.
• Develop responsive and user-friendly frontend interfaces using modern JavaScript frameworks (React, Angular, or Vue.js).
• Integrate frontend applications with backend services and third-party APIs.
• Write clean, maintainable, and efficient code following best practices.
• Optimize application performance, scalability, and security.
• Participate in system design discussions and contribute to architecture decisions.
• Work with databases (SQL/NoSQL) for data modeling, queries, and optimization.
• Implement authentication and authorization mechanisms (OAuth2, JWT, etc.).
• Collaborate with DevOps teams for CI/CD pipeline integration and deployment.
• Troubleshoot, debug, and upgrade existing systems.
• Participate in code reviews and ensure adherence to coding standards.

Skills

Java

Spring Boot

Frontend frameworks

REST APIs

Git

Unit testing

OAuth2/JWT

SQL/NoSQL

Education

Bachelor's degree in Computer Science/Software Engineering

Tools

Docker

Kubernetes

React

Angular

Vue.js

MySQL

PostgreSQL

MongoDB

Git

Maven/Gradle

AWS

Azure

GCP

JUnit/Mockito

Job description

Job Description - Full Stack Developer (Java Focus)

Position Title

Full Stack Developer (Java & Java Frameworks)

Experience Required

5-7 Years (Flexible based on skill set)

Employment Type

Full-Time

Job Summary

We are looking for a talented Full Stack Developer with strong expertise in Java and its frameworks to design, develop, and maintain scalable web applications. The ideal candidate should be comfortable working across both frontend and backend technologies, with a strong focus on backend development using Java, Spring Boot, and related frameworks. You will collaborate with cross-functional teams to deliver high-quality, performance-driven, and secure applications.

Key Responsibilities

• Design, develop, and maintain scalable full stack applications using Java-based technologies.
• Build robust backend services and RESTful APIs using Java, Spring Boot, and Spring ecosystem.
• Develop responsive and user-friendly frontend interfaces using modern JavaScript frameworks (React, Angular, or Vue.js).
• Integrate frontend applications with backend services and third-party APIs.
• Write clean, maintainable, and efficient code following best practices.
• Optimize application performance, scalability, and security.
• Participate in system design discussions and contribute to architecture decisions.
• Work with databases (SQL/NoSQL) for data modeling, queries, and optimization.
• Implement authentication and authorization mechanisms (OAuth2, JWT, etc.).
• Collaborate with DevOps teams for CI/CD pipeline integration and deployment.
• Troubleshoot, debug, and upgrade existing systems.
• Participate in code reviews and ensure adherence to coding standards.

Required Skills & Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or related field.
• 4-7 years of experience as a Full Stack or Backend-focused Java Developer.
• Strong expertise in Java (8/11/17) and object-oriented programming.
• Hands-on experience with Spring Boot, Spring MVC, Spring Security, Hibernate/JPA.
• Experience in building RESTful APIs and microservices architecture.
• Proficiency in frontend technologies such as React, Angular, or Vue.js.
• Strong understanding of HTML5, CSS3, and JavaScript/TypeScript.
• Experience with relational databases (MySQL, PostgreSQL, Oracle) and basic NoSQL (MongoDB).
• Familiarity with Git, version control workflows, and Agile methodologies.
• Knowledge of unit testing frameworks (JUnit, Mockito).
• Understanding of authentication protocols (JWT, OAuth2).

Preferred Qualifications

• Experience with microservices architecture and distributed systems.
• Familiarity with cloud platforms (AWS, Azure, or GCP).
• Experience with Docker and Kubernetes.
• Exposure to messaging systems like Kafka or RabbitMQ.
• Experience with CI/CD pipelines and DevOps practices.

Tools & Technologies

• Java (8/11/17)
• Spring Boot, Spring MVC, Spring Security
• Hibernate / JPA
• React / Angular / Vue.js
• REST APIs & Microservices
• MySQL / PostgreSQL / MongoDB
• Git, Maven/Gradle
• Docker, Kubernetes (preferred)
• AWS / Azure / GCP (preferred)