Senior Python Developer

The Role

As a Senior Python Programmer, you will design, build, and optimise to build and maintain automation solutions, backend services, and tooling that support large-scale telecom network operations. You will develop REST APIs, automation scripts, and data-driven applications that enable testing, monitoring, and operational efficiency across 5G and enterprise platforms.

Key responsibilities

• Develop and maintain Python-based automation frameworks and scripts fornetwork testing, data processing, and operational workflows
• Design and build RESTful APIs using Flask/FastAPI to expose services for internaltooling and cross-team integration
• Create and manage web-based dashboards and interfaces usingHTML/CSS/JavaScript for reporting and monitoring
• Design and interact with SQL (PostgreSQL/MySQL) and NoSQL (MongoDB/Redis)databases for test data, configuration, and results management
• Build and maintain Docker containers for application packaging, deployment, andisolated testing environments
• Develop and maintain CI/CD pipelines integrating Python automation intoJenkins/GitLab for continuous delivery
• Write and maintain Linux shell scripts and manage application deployments onLinux-based servers
• Integrate with telecom network systems and APIs for automated validation,health checks, and service monitoring
• Implement logging, error handling, and monitoring solutions to ensure reliabilityof automation services
• Collaborate with QA, network engineering, and DevOps teams to identifyautomation opportunities and deliver scalable solutions

Your Profile

Essential skills/knowledge/experience

• Strong proficiency in building REST APIs using Flask or FastAPI with properauthentication, error handling, and documentation
• Hands-on experience with HTML/CSS and templating engines (Jinja2) for building lightweight web interfaces
• Solid working knowledge of SQL databases (PostgreSQL, MySQL) and NoSQL databases (MongoDB, Redis) — schema design, queries, and optimization
• Proficient in Linux environments — shell scripting (Bash), cron jobs, process management, and server administration
• Experience building and deploying applications using Docker containers and Docker Compose
• Familiarity with CI/CD tools (Jenkins, GitLab CI/CD) and version control (Git)
• Experience with Python libraries for automation — requests, paramiko, subprocess, schedule, pandas
• Strong understanding of networking fundamentals (HTTP, TCP/IP, DNS, SSH) and APIintegration patterns

Desirable skills/knowledge/experience

• Experience in telecom domain or network automation (4G Core, 5G, SBA)
• Knowledge of message queues (RabbitMQ, Kafka) and event-driven architectures
• Experience with cloud platforms (Openstack) and infrastructure-as-code
• Familiarity with Pytest, Selenium, or Playwright for test automation
• Knowledge of Grafana, ELK stack, or Prometheus for monitoring
• Understanding of Agile/Scrum delivery practices

Pay: £36,500.00-£114,000.00 per year

Work authorisation

• United Kingdom (required)

Location:

• London, Greater London (required)

Willingness to travel:

• 75% (required)

Work Location: In person