Senior Java Developer

Systems Limited; Punjab; On-site; PKR 3,000,000 - 5,000,000; Full time

Job summary

Systems Limited is seeking a Senior Java Engineer to lead design, development, and deployment of scalable enterprise applications. You will build robust backend services in Java/Spring Boot and craft responsive frontends using React or Angular.

Applicants should have 6+ years of software development experience, strong Java/Spring expertise, and hands-on frontend skills. The role emphasizes secure architectures, CI/CD practices, and collaboration with cross-functional teams.

Qualifications

• 6+ years of hands-on software development experience.
• Expertise in Java (11+) and Spring Boot, Spring Data, Spring Security, Spring Cloud.
• 3+ years frontend development with React JS or Angular.
• Excellent written and verbal English communication.
• Bachelor’s degree in CS/Software Engineering or related field.

Responsibilities

• Design, develop, and deploy scalable backend microservices and APIs.
• Lead end-to-end architecture, security, and data management tasks.
• Build responsive frontends with modern JavaScript frameworks.
• Implement CI/CD pipelines and automate deployments.
• Mentor junior developers and uphold coding standards.

Skills

Java

Spring Boot

Frontend with React/Angular

English communication

Mentoring juniors

Education

Bachelor's degree in Computer Science / Software Engineering

Tools

Docker

Kubernetes

Git

CI/CD tools (Jenkins/GitHub Actions)

Job description

About the Role

We are looking for an experienced Senior Java Engineer to join our engineering team. In this role, you will lead the end-to-end design, development, and deployment of scalable, secure enterprise applications. You will be responsible for building robust backend services using Java and Spring Boot while crafting responsive web frontends.

Key Responsibilities

• Backend & API Engineering: Design, build, and maintain high-throughput microservices and REST/SOAP APIs using Java and Spring Boot.
• Frontend Development: Build responsive, modular, and integrated user interfaces using React JS, Angular, or modern JavaScript frameworks.
• Database & Data Management: Architect database schemas, optimize queries for relational databases (MySQL/PostgreSQL/Oracle), and handle efficient JSON/XML serialization.
• System Architecture & Security: Apply clean architecture and design patterns. Implement enterprise-grade encryption (AES, RSA, TLS) and secure HTTP/HTTPS communication protocols.
• DevOps & CI/CD: Establish automated CI/CD pipelines (Jenkins, GitLab CI, GitHub Actions) and oversee zero-downtime production deployments.
• Quality & Testing: Maintain high code quality through unit and integration testing frameworks (JUnit, Mockito).
• Collaboration & Leadership: Partner with cross-functional teams (Product, QA, DevOps) and mentor junior developers in coding best practices.

Core Qualifications

• Total Experience: 6+ years of hands-on software development experience.
• Java & Spring Expertise: 6+ years specializing in Java (Java 11+) along with advanced knowledge of Spring Boot, Spring Data, Spring Security, and Spring Cloud.
• Frontend Experience: Minimum 3+ years of hands-on frontend development experience using React JS, Angular, or similar modern JavaScript frameworks.
• Communication: Fluent and effective verbal and written English communication skills.
• Education: Bachelor's degree in Computer Science, Software Engineering, or a related discipline.

Technical Skills & Competencies

• Architecture: Strong mastery of Microservices Architecture, Design Patterns (Singleton, Factory, Observer), and secure REST/SOAP APIs.
• Databases: Hands-on experience with Relational Databases (MySQL, PostgreSQL); exposure to NoSQL (MongoDB, Redis, Cassandra) is a plus.
• DevOps & Cloud: Proficiency with Git, CI/CD tools, and cloud platforms (AWS preferred).
• Security & Protocols: Deep understanding of HTTP/HTTPS, methods, status codes, and security mechanisms.

Preferred Qualifications

• Hands-on experience with Docker containerization and Kubernetes orchestration.
• Experience working in Agile/Scrum delivery environments.