Software architect

We are looking for an experienced Software Architect to lead the end-to-end architecture of complex, mission-critical systems. The role combines solution architecture, hands-on engineering, system integration, security, and technical leadership , working closely with development teams, customers, and technology partners. Key Responsibilities Own end-to-end software and system architecture across applications, middleware, data, networking, and security . Assess existing architectures and drive improvements in performance, scalability, resilience, and security. Lead integration of complex subsystems, APIs, messaging platforms, sensors, and third-party solutions. Act as the senior technical escalation point and define high availability, redundancy, and failover strategies. Provide hands-on technical support during integration, testing, FAT/SAT, and production implementation. Lead design and code reviews and establish software engineering and CI/CD standards . Embed security-by-design principles and support hardening, VA/PT remediation, and security accreditation. Support solutioning, technical proposals, architecture presentations, and effort estimation during pre-sales. Requirements Degree in Computer Science, Software Engineering, or related discipline. 8+ years of software/system engineering experience , including 3+ years in an architecture role. Proven experience architecting and delivering complex systems end-to-end. Strong hands-on development and debugging experience with Java, C#/.NET, C++, Python, or similar technologies . Strong knowledge of APIs, messaging, system integration, Linux/Windows, containers/virtualization, and networking . Good understanding of high availability, performance, cybersecurity, and secure system architecture. Experience in government, defence, CII, or other mission-critical environments is highly advantageous. Strong communication skills with the ability to engage customers, management, developers, and vendors.