Software Engineer

Job Summary:

We are looking for a skilled and experienced Senior Software Engineer with a strong background in Java/Kotlin desktop application development and deep domain knowledge in Telecom RAN systems and modem-level development. Ideal candidates will have hands-on experience building tools that interface with or process logs from modems (Qualcomm, Samsung, etc.)

Key Responsibilities:

• Develop and enhance desktop applications using JavaFX, Kotlin, and Java for telecom analysis and visualization.
• Build and maintain log processing pipelines for modem and network layer logs (L1–L3).
• Develop visualization components using jFreeCharts for KPIs, signaling, and RF data.
• Handle structured and semi-structured data using SQLite, SQL, XML, and JSON.
• Implement and maintain REST APIs and integrate third-party SDKs/tools.
• Conduct performance tuning and memory profiling using memory analyzer tools (e.g., MAT, VisualVM).
• Apply database migration best practices during application updates.
• Leverage Koin DI framework for dependency management in Kotlin projects.
• Collaborate with telecom R&D, QA, and device testing teams.

Required Technical Skills:

• Languages/Frameworks:
• Kotlin (advanced), Java (advanced), JavaFX (UI dev)
• Koin (Dependency Injection in Kotlin)
• Database & API Skills:
• SQLite (schema design, optimization)
• SQL (complex queries)
• REST APIs (client/server implementation)
• DB migration techniques
• Data & Visualization:
• XML / JSON data handling
• jFreeCharts (charting and reporting)
• Performance/Debugging:
• Memory analyzers (Eclipse MAT, VisualVM)

Telecom & Modem Domain Expertise (Mandatory):

• Solid understanding of LTE/5G RAN architecture, including PHY/MAC/RRC layers.
• Experience handling or analyzing modem logs from Qualcomm, Samsung, or other chipset vendors.
• Familiarity with tools like QXDM, QCAT, NSG, or AT Command Interfaces.
• Knowledge of drive test data formats (e.g., .qmdl2, .dlf, .drm, DMATMTK, .sig) and layer-wise decoding.
• Experience working with Accuver XCAL/XCAP, TEMS, Nemo, or equivalent.
• Understanding of signaling flows, RF KPIs, and protocol messages (RRC, NAS, SIB, etc.)