Data Acquisition Engineer

How will you make an impact
Opensignal is looking for a Data Acquisition Engineer (PHP Developer) to join our Engineering team. If you have a passion for writing robust, high-quality code to solve complex data challenges, a desire to keep learning, and enjoy working collaboratively in a fast-moving environment, we want to speak with you.

As a Data Acquisition Engineer, you will be a core part of the team responsible for building and maintaining the web scraping infrastructure that underpins Opensignal’s data operations. You will develop new scrapers to capture data from websites and apps, maintain existing ones, and help ensure the quality and completeness of the data our products depend on.

The role sits at the heart of our business, the data you help acquire directly influences the insights we deliver to mobile operators, analysts, and investors worldwide.

What will you be doing?

• Develop new web scrapers to capture data from websites, writing, testing, and maintaining high-quality PHP code that meets functional and technical requirements.

• Support and maintain data acquisition operations, meeting required SLAs by fixing scrapers when they break (e.g. due to website changes) and resolving data quality issues.

• Write and execute tests for new and existing code to ensure reliability and accuracy.

• Troubleshoot, debug, and resolve software defects and issues across the data acquisition pipeline.

• Participate actively in code reviews and contribute to establishing best practices within the team.

• Create and maintain comprehensive documentation for code, processes, and data mappings.

• Continuously improve scrapers for better performance, reliability, and accuracy.

• Analyse data from scrapers to ensure it is complete and accurate, working with Data Quality Analysts to resolve discrepancies.

• Collaborate with web scraping engineers, product managers, and Data Quality Analysts to ensure comprehensive data quality across all acquisition processes.

• Provide guidance and support to junior developers and assist with onboarding new team members.

• Stay up to date with the latest industry trends, technologies, and best practices, applying this knowledge to improve our product and development processes.

Required Skills & Abilities

• 2+ years of PHP development experience, including writing, testing, and maintaining production code.

• Web scraping experience, including building and maintaining scrapers at scale.

• Hands-on experience with Webdriver/Chromedriver for browser automation

• Experience with Guzzle or similar PHP HTTP client libraries.

• Proven ability to understand complex data sets and translate data requirements into practical engineering solutions.

• Comfortable working with websites in multiple languages.

Desired Skills & Abilities

• A strong understanding of and practical experience in online retail (e-commerce) is highly advantageous for this role.

• Experience scraping data from smartphone apps is a bonus, though not essential.

• Knowledge of using proxies, IP-switching services, and related tools in a web-scraping context.

Benefits

We believe we are stronger when we not only celebrate our many differences, values and voices, but include them in everyday practice. Having a diverse and inclusive culture is essential, which is why we offer a flexible approach to work-life balance, operating in a remote-hybrid way.

We also offer an attractive range of additional benefits, including:

• 95% remote work - the team meets in the Warsaw office once a month

• Warsaw office in the Wola area

• Kitchen and free coffee

• Comprehensive private family healthcare package

• Multisport Plus Card

• Half-day Fridays

About Us

Opensignal is the leading global provider of independent insight and data into network experience and market performance. Our user-centric approach allows communication providers to constantly improve their network and maximise commercial performance. Leading analysts, investors and financial institutions place a high value on our independent analysis, and we are regular contributors to their reports.Real network experience is our focus, and ultimately that is what influences customer choice. Our mission is to advance connectivity for all.

Here at Opensignal, the team is leading the industry in enabling operators to link their network experience and market performance in a way that has never before been possible.With offices in Warsaw, London, Boston and Victoria, British Columbia, we are truly global, with employees working across four continents and representing over 25 nationalities. We are an equal opportunity employer dedicated to building an inclusive and diverse workforce.