Senior back end engineer - Golang

Senior Back End Engineer - Golang

Data Engineering Team 6-Month Contract £600-£650 per day - Inside IR35 Hybrid - London 3 days / WFH 2 days

Our global media and consumer technology client is seeking a Senior Back End Engineer to join their data engineering team for an initial 6-month contract. This role focuses on building and maintaining sophisticated browser automation and web scraping systems, helping to collect and process data from web platforms at scale.

This is a fast-paced, high-impact role suited to experienced engineers who are confident working autonomously and contributing to complex data collection systems with minimal on boarding. The ideal candidate will be available immediately or at short notice, and willing to work flexibly as needed to help clear a growing backlog of work.

Key Responsibilities

Develop and maintain large-scale web scraping systems using headless browsers and automation frameworks
Build robust data extraction pipelines that can handle dynamic web content and complex user interactions
Design and implement browser automation workflows for data collection across multiple web platforms
Create tools for managing browser sessions, handling JavaScript-heavy sites, and bypassing common anti-bot measures
Optimise scraping performance and reliability for high-volume data collection operations
Collaborate with data engineering and product teams across global organisations
Deliver high-quality, efficient code in an agile environment with minimal supervisionRequirements

Extensive commercial experience with Golang / Go Programming Language in back end development
Strong experience with browser automation tools (Chromedp, Rod, Playwright, or similar)
Proven ability to build and support web scraping applications at scale
Deep understanding of web technologies (HTML, CSS, JavaScript, DOM manipulation)
Knowledge of HTTP protocols, cookies, sessions, and web authentication methods
Familiarity with Python is advantageous but not essential
Experience with concurrent processing and rate limiting for web scraping
Excellent communication and documentation skills
Comfortable working independently and able to hit the ground running
Experience working in global, distributed teamsDesirable Skills

Knowledge of CAPTCHA handling and browser fingerprinting
Familiarity with data parsing and extraction from various web formats
Understanding of web performance optimisation and caching strategies