Senior Python Developer

Salary: £68,000 - 108,000 per year

Requirements:

• Strong commercial Python development experience
• Strong experience designing and developing REST APIs using Flask and/or FastAPI
• Experience with API authentication, error handling and documentation
• Experience with HTML, CSS and Jinja2 for lightweight web interfaces
• Strong database experience across SQL and NoSQL technologies
• Experience with PostgreSQL and/or MySQL
• Experience with MongoDB and/or Redis
• Strong experience working within Linux environments, including Bash and shell scripting
• Experience building and deploying applications using Docker and Docker Compose
• Experience with CI/CD, ideally Jenkins and/or GitLab CI/CD
• Strong Git/version control experience
• Experience with Python automation libraries such as Requests, Paramiko, Subprocess, Schedule and Pandas
• Good understanding of networking fundamentals including HTTP, TCP/IP, DNS and SSH
• Telecoms or network automation experience
• Knowledge of 4G Core, 5G or Service Based Architecture (SBA)
• Experience with RabbitMQ or Kafka and event driven architectures
• OpenStack experience
• Infrastructure as Code knowledge
• Test automation experience using Pytest, Selenium or Playwright
• Monitoring experience using Grafana, ELK Stack or Prometheus
• Experience working within Agile/Scrum environments

Responsibilities:

• Design, develop and maintain Python based automation frameworks and scripts supporting network testing, data processing and operational workflows
• Build RESTful APIs using Flask and FastAPI for internal services and cross team integrations
• Develop lightweight web based dashboards and interfaces using HTML, CSS, JavaScript and Jinja2
• Work with PostgreSQL, MySQL, MongoDB and Redis for application, configuration and testing data
• Build and maintain Docker and Docker Compose environments for application deployment and testing
• Develop and maintain CI/CD pipelines using Jenkins and GitLab
• Develop Linux automation using Bash, shell scripting and cron jobs
• Integrate Python applications with telecom network systems and APIs
• Build automated validation, health checking and service monitoring capabilities
• Implement effective logging, monitoring and error handling across automation services
• Work closely with QA, Network Engineering and DevOps teams to identify and deliver automation opportunities
• Support the development of scalable, reliable and maintainable engineering solutions

Technologies:

• API
• Backend
• Bash
• CI/CD
• CSS
• DevOps
• Docker
• ELK
• FastAPI
• Flask
• Git
• GitLab
• Grafana
• HTTP
• Support
• JavaScript
• Jenkins
• Kafka
• Linux
• MongoDB
• MySQL
• Network
• NoSQL
• OpenStack
• Playwright
• PostgreSQL
• Prometheus
• Python
• REST
• RabbitMQ
• Redis
• SQL
• Selenium
• TCP/IP
• Web
• pandas
• pytest

More:

We are offering an exciting permanent opportunity for an experienced Senior Python Developer to join a large-scale technology environment in Central London, working in a hybrid pattern. The role is focused on developing automation solutions, backend services and tooling that support complex telecoms and network operations, with a hands-on emphasis on Python, REST APIs, automation and backend development. You will work across applications supporting testing, monitoring and operational efficiency within 5G and enterprise platforms, with exposure to Linux, Docker, CI/CD, databases and network technologies. The salary is up to 90,000 plus bonus and benefits.

last updated 36 week of 2026