Senior Software Engineer

Location: Thamesmead

If you want to work on infrastructure that matters software that keeps tens of thousands of people connected every day this is the role for you. About the Role ASK4 provides managed internet connectivity and smart building technology to multi-tenant properties across Europe. Our network platform underpins homes and work spaces for residents in student accommodation, build-to-rent, and multi-dwelling properties  a Senior Software Engineer in our Network Systems team, you'll design, build, and operate the software that keeps this platform running.

From automation tooling and AI-powered network intelligence to provisioning and monitoring systems, your work will directly influence how reliably our services perform 'll bring independent technical judgement, contribute to architectural decisions, and play an active role in raising the capability of the team around you.

Key Responsibilities Design, build, and maintain back-end systems supporting ASK4's network infrastructure including provisioning, monitoring, and automation tooling Take end-to-end technical ownership of significant work streams, from requirements and design through to production deployment Contribute to and drive architectural decisions, including technology selection, service decomposition, and integration patterns Build and maintain CI/CD pipelines, Helm charts, and Kubernetes configurations for production and non-production environments Integrate with network management systems, message brokers, and third-party APIs Instrument and monitor applications using observability tooling (metrics, logs, and traces Grafana, Prometheus, or similar) Provide technical mentorship to mid-level engineers and act as an escalation point for complex problems Contribute to development standards, code review practices, and shared tooling across the engineering teams About You Essential:
Strong object-oriented software development fundamentals. Comfortable with patterns and abstraction at scale Solid, production-grade PHP experience, ideally including Symfony or similar frameworks Confident using relational databases (we use PostgreSQL) CI/CD pipeline experience (we use Git Lab CI) Working knowledge of Linux systems administration and IP networking fundamentals Technical project management experience working with business stakeholders An inquisitive mindset and desire to learn Desirable:

Experience with Kubernetes / Helm / Argo CD in production environments Practical experience building and maintaining Go or Node.js services

Experience with message brokers and event-driven systems (NATS, RabbitMQ, Kafka, or similar) Exposure to Open Wi Fi , Open Wrt or similar open-source network controller frameworks Observability experience. Use of metrics, logs, and traces using tools such as Grafana, Prometheus and Sentry

Experience with AI agent development or LLM integration Agile/Scrum working practices ISP or managed connectivity background Automated configuration management (Ansible, Puppet, or similar) We are committed to fostering an inclusive workplace where diversity is valued. We welcome applications from people of all backgrounds and identities and ensure fair treatment for all, regardless of protected characteristics under the Equality Act 2010. We are happy to make reasonable adjustments throughout the recruitment process and beyond, to ensure it is accessible and fair for everyone.

If you require any adjustments or would like to discuss your needs, please contact us.