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Senior Tech Lead, Data Collection Team

  • Lisbon, Lisboa, Portugal

Job description

Help Shape Tomorrow's Retail Landscape

At the cutting edge of retail data innovation in Europe, Daltix seeks a Senior Tech Lead to spearhead our core web scraping and data collection platform's evolution. You’ll need to be equipped with a knack for solving complex problems, leading a skilled team and driving tech-forward solutions. If this sounds like you and you're a natural technology enthusiast with top-notch engineering and teamwork skills, join us for an impactful journey.

This is a fully remote position, the only condition is that you are based within Europe.

Your Role:

  • Architect and Innovate: Design, build, and evolve sophisticated systems that scrape data reliably and cost-effectively at scale, overcoming any challenges in your way.

  • Technical Leadership: Take ownership of the future technical direction and evolution of our web scraping platform, a core part of our business, driving forward innovation and operational efficiency.

  • Lead from the Front: Guide and inspire an enthusiastic team who bring deep sector specific knowledge and years of scraping experience in the retail data domain.

  • Develop Talent: Commit to nurturing and enhancing your team's skills, unlocking their full potential and fostering a culture of innovation, collaboration and continuous improvement.

  • Solve the Unsolved: Relish the opportunity to address complex issues with robust solutions, seeking out novel methods and approaches to tackle tough challenges.

  • Pursue Excellence: Drive your team towards operational nirvana, ensuring work is executed and delivered with the highest standards of quality and care.

  • Collaborate Across Disciplines: Work closely with our principle engineers, data scientists, data analysts, project managers and our sales teams, fostering a collaborative environment that bridges technical and business perspectives to drive success.

  • Communicate Impactfully: Articulate the value and impact of your team's work to the wider company with excellent verbal and written English, enhancing understanding and appreciation of your team's contributions.

Why Join Us:

  • Impact: Influence the European FMCG sector directly, enabling some of the biggest names in food, consumables and goods to leverage crucial data for decision-making.

  • Culture of Innovation: Be part of a dynamic environment where innovation, speed, and adaptability are at the core of everything we do.

  • Career Growth: Take advantage of our commitment to your professional development in a company that’s expanding its influence across Europe.

  • Competitive Benefits: Enjoy a comprehensive package including a competitive salary, flexible working conditions, annual company events, and health+travel benefits.

  • Great Technology: Work with a modern technology stack and tooling that includes AWS, Kubernetes, Terraform, Docker, Snowflake, Airflow, Node (>18.x), Python (>3.8), Grafana, Prometheus, Loki, Hex, dbt and more.

  • Remote First: Our team of 25 is spread across Belgium, Denmark and Portugal; with once per month in-person Town Halls at our Lisbon office.

Embark on a journey where your passion for data and technology can genuinely transform the retail industry. We're not just collecting data; we're driving the future of retail insights. Join us in our mission to innovate and lead in the FMCG retail data space with a team that's driven by challenges and success.

Job requirements

Technical Skills Required:

  • Web Scraping Expertise: 5+ years of senior professional experience in large-scale web scraping with JavaScript, Node.js, Puppeteer and Playwright.

  • Python and/or SQL Proficiency: 2-3 years of modern Python experience, with a focus on data wrangling; or equivalent experience in SQL.

  • Reverse Engineering: Professional experience reverse engineering Android apps and their APIs.

  • Website Teardown: Deep knowledge of how modern websites work and are built (SPAs, GraphQL, Ajax, Service Workers, headers, cookies, JWTs, websockets, caching etc.)

  • Networking and Security: Advanced knowledge of TCP/IP, TLS, HTTP/2, QUIC, DNS, WAF, web browser internals, OAuth flows, networking and security principles, including hands-on experience with MITM traffic interception.

  • Anti-Bot Mitigation: Seasoned knowledge and strong experience in bypassing leading anti-bot systems (Cloudflare, Akamai, Imperva, PerimeterX, Datadome etc.)

  • Proxy Management: Experience in evaluating, integrating, and negotiating partnerships with third party proxy providers.

  • Infra Experience: 3+ years of senior-level SRE/DevSecOps/Platform Engineering/Sysadmin or similar experience, ideally on AWS; exposure to Kubernetes environments, IaC, large scale job orchestration and GitOps workflows a strong plus.

  • On-call Rostering: experience running on-call teams that need to provide 7 day operational cover.

  • Language Proficiency: Excellent verbal and written English skills are essential for effective communication across our European team and stakeholders.

In addition to these technical skills, we equally value your ability to collaborate & communicate with other engineers and non-engineering departments in the company.

Apply Today!

If you think this sounds like your dream job, we’d love to hear from you. Apply by visiting

Include your CV, Github profile and a cover letter telling us what excites you about this role and why you think you’re the perfect fit.