Senior Software Engineer - Full Stack & Telecommunications

Job Title: Senior Software Engineer

Location: Lagos, Nigeria (On-site)

Employment Type: Full-time

Company: Esdiac

About Esdiac

• Esdiac is a leading software development company with deep expertise in telecommunications and data-driven solutions. We design and build innovative products that power next-generation voice, video, and data communication systems. Our mission is to deliver seamless, secure, and high-performance communication tools that connect people across the globe.

Role Overview

We are seeking a highly skilled Senior Software Engineer with experience across the full software development lifecycle. You will lead the design, development, and optimization of cross-platform applications and communication systems. The ideal candidate is proficient in Kotlin Multiplatform Mobile (KMM), AI/ML integration, networking, VoIP engineering, WebRTC, and stream processing. This role combines hands-on development with technical leadership responsibilities.

Key Responsibilities

• Lead projects through the complete software development cycle — from concept to deployment and ongoing optimization.
• Architect and develop Kotlin KMM based mobile applications for Android and iOS.
• Integrate AI/ML models into communication and data-processing pipelines.
• Design and optimize VoIP architectures, including SIP, RTP, and call quality monitoring.
• Build and maintain WebRTC-based real-time video/audio communication features.
• Implement and manage stream processing systems (e.g., Kafka, Flink, Spark).
• Collaborate with cross-functional teams including product managers, UX designers, and DevOps engineers.
• Mentor and guide junior developers, enforcing best coding and architectural practices.
• Ensure scalability, reliability, and security across all developed systems.

Requirements

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, Telecommunications, or related field.
• 6+ years of professional software engineering experience, including leadership in full lifecycle projects.
• Proven expertise in Kotlin Multiplatform Mobile (KMM).
• Strong knowledge of AI/ML concepts and their practical application.
• Deep understanding of networking protocols (TCP/IP, UDP, SIP, RTP) and VoIP systems.
• Hands-on experience with WebRTC and real-time multimedia streaming.
• Experience with stream processing tools (Kafka, Flink, Spark, or similar).
• Proficiency with cloud platforms (AWS, GCP, Azure) and DevOps practices.
• Strong problem-solving, communication, and mentoring skills.

Preferred Skills

• Experience with Kotlin, Swift, Java, or C++.
• Familiarity with predictive analytics and generative AI for telecom applications.
• Prior experience in telecommunications product development.
• Relevant certifications (AWS, Cisco, TensorFlow, etc.).

What We Offer

• Competitive salary and performance bonuses.
• Professional growth opportunities, including training and certifications.
• Flexible work arrangements and a collaborative team culture.

To Apply: Send your CV and a short cover letter to juliana@esdiac.com with the subject line: Senior Software Engineer – Lagos.