Java Backend & Integration Engineer — Microservices & APIs

Stella Technology; Islamabad; On-site; PKR 1,800,000 - 3,000,000; Full time

Job summary

Stella Technology is seeking a Backend & Integration Engineer to design, develop, and manage scalable backend systems and seamless integrations across platforms.

This role requires strong Java expertise (8+), Spring Boot, and microservices, with hands-on API work and data exchange using HL7, FHIR, JSON, and XML. You will collaborate with product, QA, and DevOps to deliver secure, well-documented solutions.

Qualifications

• Bachelor's degree in Computer Science, IT, or a related field.
• 4-6 years of hands-on backend development using Java (8+).
• Strong experience with Spring Boot and related frameworks.
• Solid understanding of microservices and distributed systems.
• Experience with HL7 and FHIR data formats.

Responsibilities

• Design, develop, and maintain backend services using Java and Spring.
• Build and manage RESTful APIs for system integrations.
• Implement data exchange using HL7, FHIR, JSON, and XML.
• Work with microservices across distributed systems.
• Collaborate with product, QA, and DevOps teams.
• Ensure security, data governance, and documentation.

Skills

Java 8+

Spring Boot

RESTful APIs

Microservices

HL7

FHIR

JSON

XML

SQL

Swagger/OpenAPI

Education

Bachelor's degree in Computer Science or IT

Tools

Swagger/OpenAPI

Job description

Stella Technology is seeking a Backend & Integration Engineer to design, develop, and manage scalable backend systems and seamless integrations across platforms.

This role requires strong Java expertise (8+), Spring Boot, and microservices, with hands-on API work and data exchange using HL7, FHIR, JSON, and XML. You will collaborate with product, QA, and DevOps to deliver secure, well-documented solutions.