Python Developer

• Design, develop, and implement a Python-based backend application to automate network packet capturing and traffic collection
• Develop a self-service solution that allows users to initiate packet captures by submitting IP addresses through a web interface
• Integrate TShark (Wireshark CLI) into backend services to automate network sniffing and packet capturing
• Build and maintain REST APIs connecting the frontend application with backend capture processes
• Automate the generation, processing, storage, and retrieval of PCAP files
• Develop asynchronous processing and task queuing systems to manage multiple packet capture requests
• Implement automated notifications and workflows to inform users when packet captures are completed
• Configure and optimise TShark commands, packet capture filters, and network traffic collection processes
• Troubleshoot backend application issues, API integrations, and network capture functionality
• Collaborate with developers, network engineers, and technical stakeholders to understand requirements and deliver scalable solutions
• Support additional Python development, system integrations, and automation projects as required

Technologies:

• API
• OpenSearch
• BigQuery
• Backend
• Cloud
• ElasticSearch
• Frontend
• GCP
• HTTP
• Support
• Linux
• Network
• PostgreSQL
• Python
• REST
• TCP/IP
• Web
• Security, We are seeking an experienced Python Backend Developer for an exciting six-month contract focused on Wireshark automation, network sniffing, packet capturing, and backend application development. You will help us develop a Wireshark as a Service solution that transforms manual packet capture processes into an automated, self-service web application. This is primarily a software development and automation role rather than a traditional Network Engineer or Network Analyst position. The contract pays £580 per day inside IR35 and is hybrid, with two days onsite in North London.

• Strong commercial experience in Python backend development, scripting, and automation
• Experience designing and developing REST APIs and backend applications
• Strong understanding of networking fundamentals, including TCP/IP, DNS, HTTP/HTTPS, and network communications
• Knowledge of network sniffing, packet capturing, and network traffic analysis
• Experience integrating command-line tools and external processes into Python applications
• Experience with asynchronous processing, task queues, and automated workflows
• Strong experience developing and troubleshooting applications in Linux/server environments
• Experience handling file generation, storage, and retrieval within backend systems
• Ability to work independently, translate technical requirements into working solutions, and collaborate with cross-functional teams
• Hands-on experience with Wireshark, TShark, or tcpdump is highly desirable
• Experience with PCAP files, packet filtering, and network traffic capture tools is highly desirable
• Knowledge of network sniffing, deep packet inspection, and protocol analysis is highly desirable
• Experience automating Wireshark/TShark through Python scripts or backend applications is highly desirable
• Experience developing self-service web applications or network automation tools is highly desirable
• Knowledge of Google Cloud Platform (GCP), including Cloud Run, BigQuery, and Cloud Storage, is highly desirable
• Experience with PostgreSQL, Elasticsearch, or OpenSearch is highly desirable
• Experience in cybersecurity, network monitoring, or traffic analysis environments is highly desirable
• Hands-on Python backend development skills, REST API experience, and an understanding of networking concepts; exposure to Wireshark, TShark, packet capturing, or network sniffing technologies is preferred