Senior Backend Developer

Revizto enables the people behind the world’s most important structures to do their best work. We connect architects, engineers, contractors, and owners in one shared 2D/3D environment to help deliver complex projects on time and on budget. From airports and hospitals to data centers and large-scale infrastructure, Revizto supports industry leaders in reducing risk, improving collaboration, and delivering better project outcomes. Built on a gaming engine, Revizto is designed to handle the scale and complexity of modern construction projects while remaining fast, reliable, and accessible across devices and environments — whether teams are in the office or on site.Key Responsibilities & Requirements Backend Development: Design, develop, and maintain scalable, reliable, and high-performance backend services and applications using PHP and Symfony. Large-Scale Data Processing: Develop and optimize backend solutions that efficiently process and manage large datasets, including data volumes reaching tens of terabytes. System Architecture: Contribute to the design and evolution of backend architecture, ensuring scalability, maintainability, and long-term performance. Performance Optimization: Identify and resolve performance bottlenecks, optimize database interactions, and continuously improve application efficiency and reliability. Feature Development: Design and implement new backend features and functionality, translating product and business requirements into effective technical solutions. Cross-Functional Collaboration: Work closely with frontend developers, product designers, QA engineers, and other stakeholders to deliver reliable, high-quality product features. Technical Problem-Solving: Investigate and resolve complex technical challenges, ensuring system stability and efficient issue resolution. Code Quality: Write clean, efficient, well-structured, and maintainable code, following established engineering standards and best practices. Technical Excellence: Participate in code reviews, contribute to architectural discussions, and stay current with developments and best practices in PHP and Symfony. Requirements Education: Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience. Professional Experience: At least 5 years of hands-on experience in web service development, with a strong focus on backend engineering. PHP & Symfony Expertise: Strong proficiency in PHP 8 and Symfony 5+, including practical experience with Doctrine ORM. Complex System Design: Proven experience designing and developing complex backend systems, including high-load applications, large-scale data processing, and systems with complex business logic. Databases & Infrastructure Technologies: Expert-level knowledge of MySQL, PostgreSQL, Redis, RabbitMQ, and the ELK stack (Elasticsearch, Logstash, Kibana). Frontend Technologies: Understanding of Vue.js, JavaScript, HTML, and CSS, enabling effective collaboration with frontend development teams. Unix/Linux Environments: Proficiency in working with Unix-like (*nix) operating systems and development environments. Preferred Qualifications PHP Internals: Knowledge of PHP's internal implementations and underlying mechanisms. Software Design Principles: Understanding of object-oriented programming (OOP) principles and software design patterns. Position Overview As a Senior Backend Developer at Revizto, you will play a key role in developing and enhancing the backend of our web platform. Working with PHP and Symfony, you will design, build, and maintain scalable, high-performance systems that support complex business logic and handle large volumes of data.You will have the opportunity to tackle challenging technical problems, contribute to architectural decisions, and drive improvements in system performance, reliability, and scalability. Collaborating closely with cross-functional teams, you will help shape the technical foundation of Revizto's platform and deliver robust, efficient solutions that support our product's continued growth.Why Join Us Recognised as one of Switzerland’s Best Managed Companies by Deloitte for three consecutive years from 2024 through Company-wide trips, including Armenia in 2023 and Switzerland in 2025, with more to come A flexible, employee-focused culture An innovative and collaborative team environment Great working conditions designed to support your best work We can only accept applications from candidates based in Germany, Armenia, France or the UK.Originally posted on Himalayas