Software Engineer Java POS

Systems Limited; Punjab; On-site; PKR 2,232,000 - 3,906,000; Full time

Job summary

iSystems Ltd is seeking Java Engineers with 5 to 10 years of experience to help modernise a Retail POS platform. The role focuses on strong Java/Spring Boot skills, AI integration, and cloud-native migration within a SCRUM team. Candidates with POS enterprise experience are preferred.

You will contribute to designing scalable architectures, implementing RESTful microservices, and ensuring secure, maintainable code. Collaboration with cross-functional teams is essential.

Qualifications

• 5–10 years of hands-on software development experience.
• Experience with enterprise Retail POS systems.
• Java (core) and Spring Boot expertise with OO design.
• Hands-on AI experience and cloud platform skills.
• Experience with RESTful APIs, microservices, and CI/CD.

Responsibilities

• Write clean, scalable, reliable Java code for modernising the POS platform.
• Contribute to cloud-native migration of legacy functionality.
• Build and integrate AI-enabled features into POS/workflows.
• Utilize AI-assisted tools to speed coding, testing and reviews.
• Participate in SCRUM ceremonies and cross-functional collaboration.
• Assist in deployment planning and production release activities.

Skills

Java

Spring Boot

REST APIs

Microservices

Kafka

NoSQL (MongoDB)

PostgreSQL / MariaDB

Kubernetes

Docker

CI/CD

Tools

Terraform

Job description

We are looking for Java Engineers with 5 to 10 years of experience in delivering quality software. Our customer is modernising its existing enterprise Retail Point-of-Sale (POS) platform, and we need engineers with strong Java skills and hands-on AI experience. Experience with enterprise Retail POS systems is ideal. Candidates must have expertise relevant to their level and must be able to deliver accordingly.

Responsibilities

• Have a passion for writing clean, consistent, and elegant code to create scalable and reliable systems
• Contribute to the modernisation of the existing POS platform, moving legacy functionality to modern, cloud-native services
• Build and integrate AI-enabled features into POS and retail workflows
• Use AI-assisted development tools to accelerate coding, testing, debugging, and documentation while validating outputs and maintaining code quality, security, and maintainability
• Contribute towards moving the team forward in leading edge processes like continuous integration, continuous delivery, cloud migration and test-driven development
• Work with defect tracking, source code control and software release systems to ensure high-quality software releases over time
• Assist in peer code reviews and provide constructive feedback
• Contribute to the design and development process as part of a SCRUM team
• Transition from application development to support as needed to ensure that appropriate support is available in a timely and efficient manner
• Drive build and release plans and implementation of all actions required to deploy applications to production environment
• Assist development manager with planning, analysis and definition of high-level software strategies and solutions through functional knowledge
• Have an understanding of enterprise retail business systems and the retail industry
• Have a passion for keeping yourself current with industry trends and new technologies, including AI, and ability to apply trends to architectural needs
• Ensure corporate policies and industry best practices are observed and followed in developed applications
• Work with business, infrastructure and security teams on delivering any enhancements and bug fixes for production systems
• Emphasis on building metrics into the system and providing visibility on uptime and performance via real time alerting, reporting, and dashboards

Requirements

• 5 to 10 years of experience analyzing, designing, coding, testing, installing and maintaining complex software programs
• Experience with enterprise Retail POS systems
• Strong experience with Java (core skill) and Spring Boot framework, including object-oriented design principles and application design patterns
• Hands-on AI experience, such as building or integrating AI/ML or LLM-based features into applications
• Hands-on experience with cloud platforms and services such as Azure or GCP
• Hands-on experience with NoSQL databases such as MongoDB or Azure Cosmos DB
• Hands-on experience with transactional relational databases such as PostgreSQL or MariaDB
• Working experience with Apache Kafka and event-driven messaging architecture
• Experience designing and developing RESTful APIs and microservices using Spring Boot, consuming RESTful APIs, and working with JSON and XML payloads for REST and SOAP integrations
• Familiarity with containerization technologies (Kubernetes, Docker) and infrastructure as code tools such as Terraform
• Familiarity with CI/CD pipelines and testing tools
• Should be able to work with diverse, collaborative, cross-functional teams
• Strong verbal and written communication skills with the ability to persuade, inspire and motivate others. This includes communicating technical information to non-technical audiences