Software Engineer (Req ID: 2026-09) in Kingston upon Thames

Position: Software Engineer

Location: Kingston Upon Thames, UK Office (Hybrid)

Candidates must have legal work authorization to work in the United Kingdom at the time of application. SS8 is not able to provide visa sponsorship for this role. This position requires the ability to achieve and maintain security clearance.

Company Overview

About SS8 Networks: As a leader in Lawful and Location Intelligence, SS8 helps make societies safer. Our commitment is to extract, analyze, and visualize the critical intelligence that gives law enforcement, intelligence agencies, and emergency services the real‑time insights that help save lives. Our high‑performance, flexible, and future‑proof solutions also enable mobile network operators to achieve regulatory compliance with minimum disruption, time, and cost. SS8 is trusted by the largest government agencies, communications providers, and systems integrators globally.

About the Role

SS8 is seeking a Software Engineer to join our engineering team. This role focuses on developing high‑performance C++ software for telecommunications and high volume data processing environments. You will work alongside experienced engineers, contribute to complex system implementations, and take on increasing responsibility as you grow within the team.

What You'll Work On

• Developing high-performance C++ software for telecom signalling, data processing, and related systems.
• Implementing efficient algorithms for decoding, encoding, and processing large volumes of network data.
• Working within Linux environments to build, test, and optimise system components.
• Contributing to system level debugging, performance tuning, and reliability improvements.
• Using AI assisted development tools to accelerate coding, testing, and automation workflows.
• Collaborating with senior engineers on architecture, design decisions, and client driven requirements.
• Participating in continuous integration, code reviews, and quality assurance processes.

Key Responsibilities

• Design, implement, and maintain C++ software components using modern C++ (C++11+).
• Develop and optimise high volume, low latency data processing pipelines.
• Work with IP networking protocols and telecom related communication interfaces.
• Perform multi threaded debugging and troubleshooting using GDB or MSVC.
• Write Linux scripts and manage OS level tasks to support development and deployment.
• Use Git for version control and collaborate effectively within a team environment.
• Apply AI tools to improve code quality, refactor scripts, and enhance automated testing.
• Contribute to containerised and orchestrated environments (Docker, Kubernetes).

Required Experience & Qualifications

• Bachelor’s degree (BSc) in Computer Science, Software Engineering, or a related field (UK 2:1 equivalent or higher).
• Strong Mathematical foundation.
• Minimum 4 years of professional C++ development experience.
• Demonstrated enthusiasm for solving complex technical challenges.
• Experience using AI assisted coding or testing tools.
• Proficiency with Modern C++ (C++11 and later) and STL.
• Linux development using GCC.
• IP networking communication protocols.
• High volume data processing and optimisation techniques.
• Linux scripting and OS management.

Nice to Have

• Experience with telecom protocols or signalling systems (SS7, RANAP, S1AP, NGAP, etc.).
• Knowledge of cellular network infrastructure and 3GPP RAN/RRC standards (GSM, UMTS, LTE, NR).
• Understanding of RAN based location techniques and cell tracing technologies.
• Wireshark or other protocol analysis tools.
• Jenkins or other CI/CD pipeline experience.
• Performance profiling tools.
• Functional testing using Python or similar scripting languages.
• Experience in high throughput environments such as financial data processing.

At SS8 Networks, our approach to flexible work is centered on trust and optimized for culture, connection, clarity, and the evolving needs of our business. The work location of this role is hybrid, meaning it will be performed both from home and from an SS8 office on select days, as determined by the business needs of the team. SS8 is committed to fostering an inclusive and respectful workplace where everyone can thrive. We welcome applicants of all genders, backgrounds, cultures, and experiences. Our goal is to create a diverse team that reflects the global communities we serve and values collaboration, innovation, and mutual respect.