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Full Time

Mid-Level Developer/ 2 weeks ago

MMV Group
Attractive
Application ends: 2026-08-09

Quick Summary

MMV Group is looking for a fully remote Mid-Level Developer in Poland to develop, maintain, and optimize WordPress websites, custom themes, and internal applications. This role requires 3-5 years of commercial web development experience with PHP, JavaScript, HTML, CSS, and WordPress, as well as experience with Linux hosting, SQL databases, Git workflows, and third-party API integrations. Strong English proficiency is required.

About Us

We specialise in affiliate SEO, digital publishing, and performance-led growth. What sets us apart is how we work. We move quickly, act decisively, and continuously refine our approach to stay ahead of the market.

We are a hardworking team that values clarity and results. We communicate directly, execute with focus, and are committed to doing things properly. At the same time, we’ve built a genuinely friendly and supportive environment where ideas are shared openly and collaboration comes naturally.

We don’t wait for opportunities; we identify them early and execute with precision.

We’re not here to participate. We’re here to outperform!

This position is fully remote. The successful candidate must be comfortable working in a distributed team and communicating effectively in a virtual environment.

Key Responsibilities

Duties will include but are not limited to:

  • Develop, maintain, and enhance our WordPress websites and internal applications.
  • Manage WordPress core, theme, and plugin updates, ensuring security, stability, and compatibility.
  • Design and implement bespoke features using PHP, JavaScript, HTML, CSS, and WordPress best practices.
  • Develop, maintain, and extend custom WordPress themes and plugins.
  • Optimise website performance, page speed, caching, and Core Web Vitals.
  • Plan and carry out website migrations, deployments, and release activities.
  • Design, build, optimise, and maintain MySQL databases.
  • Configure and maintain web servers, hosting environments, and caching solutions.
  • Troubleshoot complex technical issues across websites, databases, and hosting infrastructure.
  • Write clean, scalable, and maintainable code, following coding standards and best practices.
  • Take technical ownership of selected websites, features, migrations, and maintenance tasks, including planning, implementation, deployment, post-launch QA, and ongoing documentation.
  • Implement, maintain, and quality-check SEO-critical website elements such as redirects, canonicals, robots directives, XML sitemaps, schema markup, crawlability, internal linking, page speed, and tracking-related technical setups.
  • Troubleshoot and improve production websites across WordPress, PHP, JavaScript, MySQL, hosting environments, Cloudflare, DNS, caching layers, Git workflows, staging environments, and structured deployment processes.
  • Conduct code reviews and provide constructive feedback to junior developers.
  • Create and maintain clear technical documentation for systems, processes, and projects.
  • Collaborate with developers, designers, SEO specialists, and marketing teams to deliver new features and business initiatives.
  • Contribute to technical planning, sprint estimation, and solution design.
  • Ensure all work is delivered to a high standard, on time, and in line with business requirements.
  • Keep up to date with emerging technologies and recommend improvements to development processes and platforms.

Requirements

  • Commercial experience in a web development role (typically 3–5 years).
  • Strong experience with PHP, JavaScript, HTML, CSS, and WordPress development.
  • Experience developing custom WordPress themes and plugins.
  • Experience working with Linux-based hosting environments.
  • Strong understanding of SQL and relational databases.
  • Experience using Git and collaborative development workflows.
  • Experience with website performance optimisation, debugging, and troubleshooting.
  • Experience integrating third-party APIs and services.
  • Strong problem-solving skills and attention to detail.
  • Excellent communication skills and the ability to work collaboratively across teams.
  • Ability to manage multiple priorities and work independently.
  • Understanding of DNS, SSL certificates and Cloudflare.
  • Experience deploying websites to production environments.
  • Understanding of technical SEO principles including redirects, canonicals and crawlability.
  • Good proficiency in spoken and written English is required, as English is the shared working language across our international teams.

Desirable

  • Experience with Laravel or other PHP frameworks.
  • Experience with React, Vue, or modern JavaScript frameworks.
  • Knowledge of CI/CD pipelines and automated deployment processes.
  • Experience with Docker or containerised development environments.
  • Familiarity with cloud platforms such as AWS or Azure.
  • Understanding of SEO, affiliate marketing, analytics, or tracking technologies.
  • Experience participating in code reviews.

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MMV Group

MMV Group

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