
Backend Development Executive (Java)
Views: 233
Posted: 2026-09-16
Expires: 2026-09-30
ExpiredSwitch Communications is looking for a Backend Development Executive (Java)
๐ Location: Islamabad | Onsite
๐๐ฒ๐ ๐ฅ๐ฒ๐๐ฝ๐ผ๐ป๐๐ถ๐ฏ๐ถ๐น๐ถ๐๐ถ๐ฒ๐:
โข Design, build, and maintain backend services and REST APIs using Java (Spring Boot) for provisioning, charging, and subscriber-management systems.
โข Develop and optimize reporting pipelines and scheduled jobs that aggregate and transform data from large MySQL/MariaDB tables (hundreds of millions of rows).
โข Write and maintain Python scripts for data extraction, transformation, ad-hoc analysis, and automation of recurring reporting tasks.
โข Identify and resolve query performance issues, non-sargable queries, missing indexes, redundant schemas, across reporting databases.
โข Work with structured (MySQL/MariaDB) and semi-structured data sources and contribute to schema consolidation and cleanup efforts.
โข Integrate backend services with Kafka, Redis, and internal/external APIs as needed.
โข Collaborate with DevOps, frontend, and data teams to ship reliable, well-tested features, and document system behavior, data flows, and known issues clearly for handover and cross-team visibility.
๐ฅ๐ฒ๐พ๐๐ถ๐ฟ๐ฒ๐บ๐ฒ๐ป๐๐:
โข Bachelor's degree in Computer Science, Software Engineering, or a related field.
โข 0โ2 years of hands-on experience with Java and Spring Boot (internships and significant academic/personal projects count).
โข Working proficiency in Python for scripting, data processing, or automation (e.g., Pandas, basic ETL workflows).
โข Solid understanding of SQL joins, indexing, query optimization and experience working with relational databases (MySQL, MariaDB, or PostgreSQL).
โข Basic understanding of REST API design and backend architecture patterns.
โข Familiarity with Git and standard version-control workflows. Strong analytical skills and comfort working with large, sometimes messy, real-world datasets.
๐ฃ๐ฟ๐ฒ๐ณ๐ฒ๐ฟ๐ฟ๐ฒ๐ฑ / ๐ก๐ถ๐ฐ๐ฒ ๐๐ผ ๐๐ฎ๐๐ฒ
โข Exposure to Kafka, Redis, or other messaging/caching systems.
โข Experience with reporting tools or libraries (e.g., Apache POI, openpyxl, Power BI, or similar).
โข Familiarity with data warehousing concepts or ETL pipeline design.
โข Prior exposure to telecom, fintech, or other high-volume transactional domains.
โข Basic knowledge of Docker and CI/CD pipelines.
๐ฉ To apply: Send your resume to maryam.zahra@switch.com.pk with the subject line "Backend Development Executive (Java)"
๐ Islamabad@Switch Communications#Backend Development Executive (Java)๐งณ Experienced Required๐งณ Fresh Required