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Senior PHP Developer (Freelance, Remote) at SPACE44. Remote Location: Greece. Company Overview. At SPACE44, we empower tech startups and innovative companies across the US and Europe by delivering top-tier software engineers and comprehensive HR solutions. Unlike traditional staffing agencies, we accelerate innovation by providing performant hiring pipelines, efficient onboarding processes, performance management, and administrative assistance as an end-to-end service. Our unique approach ensures precise integration and high team performance in full-remote, nearshore, and offshore settings.. We enhance your work-life balance by offering opportunities that align your personal and professional aspirations. Work remotely to seamlessly integrate your career with your lifestyle and bring everything into a flow. We offer you a dynamic and supportive environment where you can develop and grow. Join a forward-thinking team that values the joy of work, openness, and cross-cultural collaboration. At SPACE44, let's shape the future of modern work together.. Who We Are Looking For?. We are in pursuit of a Senior PHP Developer who is passionate about crafting high-quality backend solutions and who finds joy in problem-solving and innovation. The ideal candidate will bring a seasoned perspicacity to our proprietary ERP system development efforts and will cherish the prospect of working in a collaborative, remote, and multicultural team.. If you have a deep-seated appreciation for performance and a yearning to lead in a technologically advancing environment, we encourage you to apply. You'll contribute directly to building robust backend systems that serve real business needs at scale.. Key Responsibilities:. Design and develop scalable backend logic using PHP and Symfony framework, focusing on performance, modularity, and maintainability. Contribute to the evolution of a proprietary ERP platform, building complex business logic and workflow automation. Develop and maintain Symfony-based applications with modern PHP practices and design patterns. Utilize Git for source control and participate in regular code reviews and branching workflows. Work with relational databases (MySQL/PostgreSQL) for structured data operations. Build robust APIs and backend services that integrate with various business systems. Ensure stability and resilience in backend services through proper testing and monitoring. Contribute to the evolution of a proprietary ERP platform, integrating Large Language Models (LLMs) into system logic . Support deploying and orchestrating LLMs using frameworks such as Hugging Face or LangChain. Contribute to generative AI-based backend logic including summarization, code assistance, and content automation . Requirements:. Minimum 6 years of backend development experience with strong PHP proficiency . Demonstrated experience with Symfony framework in production applications. Hands-on familiarity with version control systems like Git . Proficiency in relational databases such as MySQL or PostgreSQL . Experience with generative AI tools like Gemini or GitHub Copilot . Experience in asynchronous remote teams with high autonomy . BSc in Computer Science, Software Engineering, or a related field . Fluent in English; Europe-based for legal and logistical alignment. Nice to Have:. Experience contributing to ERP platforms or complex backend business logic . Demonstrated experience deploying and using LLMs (e.g., Hugging Face, LangChain) in backend applications . Experience with prompt design and AI interaction optimization . Familiarity with containerization tools like Docker . Understanding of performance monitoring and optimization for AI-integrated services. Interest in mentoring or helping shape backend integration strategies involving AI. Embark on your SPACE44 journey with a few simple steps:. Hireflix Chat (20 min):. Share how you work and what matters most to you. HR Sync (45 min):. Connect your experience with our goals. Code Challenge:. Complete a 1-2 hour coding session using PHP.. Psychometric Insight:. Take a 1-hour assessment exploring your strengths and working style. Benefits. Flexible Work Schedule:. Enjoy a non-linear workday designed to enhance productivity and maintain a harmonious work-life balance, with core hours for team collaboration.. Professional Growth: . Access advanced training opportunities in data science and machine learning to boost your career prospects.. Innovative Projects and Tools:. Engage in cutting-edge projects using the latest tools and technologies within a progressive remote work environment.. Competitive Income:. Receive a competitive income with regular performance reviews and potential raises every six months.. Global Team Dynamics: . Collaborate with a diverse, international team that values openness and teamwork.