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Senior Python Developer

3 weeks, 2 days ago
Spain, Poland, Portugal, Romania, Greece
Contract
Lead
Backend Engineer
Software Development
Apache Spark AWS CSS EC2 Git HTML LLM MySQL Playwright PostgreSQL Python React Selenium Solr Tailwind CSS
Apply Now
Adzuna

Adzuna

Adzuna is a search engine for job ads that lists every job, everywhere, empowering jobseekers with smarter search options and powerful data to take control of their careers.

Internet Software & Services
51-250
Founded 2011
$17M raised
View All Jobs 3

Description

  • Lead technical direction for a small engineering team through code reviews, architectural guidance, and mentorship.
  • Design and implement scalable backend API endpoints and LLM pipelines.
  • Architect high-throughput data pipelines that move clean, processed data between databases and user interfaces.
  • Build secure infrastructure for authentication, session persistence, memory caching, and AWS-based high availability.
  • Drive migration from legacy systems to a new Python stack and make maintenance-versus-new-development decisions.
  • Work closely with Product Managers and Data Scientists to turn machine learning prototypes into production applications.
  • Provide technical stewardship across the full stack for AI-powered tools and products.
  • Guide long-term technical strategy for Adzuna’s AI and Python platform.
  • Support collaboration across teams while unifying development silos.

Requirements

  • Extensive commercial software development experience with a focus on Python.
  • Proven experience in technical leadership or lead developer roles.
  • Must be located within 2 hours of London time and able to work standard UK business hours.
  • Must have the legal right to work remotely as an independent contractor in the country of residence.
  • No visa sponsorship available now or in the future.
  • Professional proficiency in written and verbal English.
  • Technical degree (2:1 or equivalent) in Computer Science, Software Engineering, or a highly relevant field.
  • Strong understanding of Python fundamentals and object-oriented programming.
  • Experience writing clean, maintainable Python code for live, user-facing environments.
  • Strong expertise in MySQL and/or PostgreSQL and relational databases.
  • Familiarity with AWS services and Git version control.
  • Results-driven mindset with the ability to advise senior leadership on the Python ecosystem and AI/ML frameworks.
  • Experience coding LLMs into production applications and using agentic AI coding in daily workflow.
  • Nice to have: familiarity with HTML, CSS (Tailwind), and React.
  • Nice to have: understanding of web scraping, DOM parsing, bot-detection bypass, and browser automation/testing tools such as Playwright or Selenium.
  • Nice to have: an active GitHub profile showcasing work or personal projects.

Benefits

  • Competitive salary of €60k - €70k.
  • Stock options.
  • Enhanced maternity and paternity leave.
  • 25 days paid holiday plus 8 bank holidays.
  • 3 paid volunteer days per year.
  • Summer hours in July and August, with Fridays finishing at 4pm.
  • Learning and development support through Adzuna Academy, conferences, team training budgets, development plans, and coaching.
  • Fully hybrid/remote-friendly working model with support for asynchronous work and travel to facilitate collaboration.

Interested in this position?

Apply directly on the company website

Apply Now

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