Senior PHP Developer for CD (offline)

As a Backend Developer, you will be working on our in-house projects: designing features, writing code, performing code reviews, solving problems, tracking down bugs, and delivering stable and well-written solutions. You will form part of a cross-functional development team where the team owns and drives the continuous improvement of our products using agile methodologies.
Our backend is powered by a LEMP stack, GraphQL and we rely on Vue.js for our frontend. We are inherently a curious team and are always on the lookout for new technologies that could potentially be incorporated into our stack.
You will:
● Design and develop new Backend features
● Perform functional requirements analysis
● Write high-quality code and documentation
● Work closely with other developers, QA, and product teams
● Apply analytical skills and be committed to quality
● Help track requests, issues, work progress, and any other changes using our project management tools
● Provide estimates and technical documentation on request
● Write code with performance, reliability, and maintainability in mind
● Manage individual project priorities, deadlines, and deliverables
● Work in collaboration with external partners when required
● Manage code changes using our version control system
● Perform code reviews

Requirements
● Experience in software development for more than 5 years;
● Excellent knowledge in Computer Science, Computing Theory:
○ Paradigm & Principles (OOP, SOLID, DDD, TDD);
○ Database theory (RDBMS, NoSQL);
○ Code testing practices;
○ Algorithms & data structures;
○ Architectural, Enterprise and Design Patterns;
○ Security patterns, Reverse engineering resistance, Common attacks types (OWASP);
● Understanding of network interactions:
○ protocols;
○ conventions (e.g. REST, RPC);
○ authentication and authorization flows;
○ standards and practices (e.g. oAuth, JWT);
● Excellent knowledge and experience in PHP (more than 3 years);
● Practical commercial experience with:
○ REST API development;
○ Web application frameworks (e.g. Symfony, Laravel) (more than 3 years);
○ Testing frameworks (e.g. PHPUnit, Codeception, Behat, Dusk) (more than 2 years);
○ ORM (e.g. Doctrine, Eloquent) (more than 2 years);
○ RDBMS (e.g MySQL/MariaDB, PostgreSQL, MS SQL) (more than 2 years);
○ Key-value storages (e.g. Redis, Memcached);
○ Messaging systems (e.g. RabbitMQ, Apache Kafka, Active MQ, AWS SQS, Azure Service Bus, Google Pub/Sub);
○ Web Servers (e.g. NGINX, Apache);
○ Version control systems (GIT);
○ Cloud computing platforms (e.g. AWS, Google Cloud Platform, Microsoft Azure);
○ Integration with 3rd party solutions;
○ Docker;
○ Continuous Integration tools (e.g. Gitlab Pipeline, Jenkins, TeamCity, Bamboo);
○ Builders;
● Experience with:
○ Troubleshooting, profiling and debugging applications;
○ Creation software architecture and design of complex applications, platforms, microservices solutions;
○ Agile software processes and technologies;
○ Code Review process;
○ Refactoring process;
● Fluent or Upper-Intermediate English;

Desirable
● Certifications on:
○ Symfony Framework;
○ Zend PHP;
○ Cloud computing platforms (AWS, GCP, Microsoft Azure);
● Understanding of orchestration and containerisation (e.g. Kubernetes, Swarm);
● Knowledge in Deployment patterns;
● Practical commercial experience with:
○ GraphQL
○ NoSQL (e.g. MongoDB, ElasticSearch, CouchDB);
○ Experience with Search Engines (e.g. ElasticSearch, Azure Search, Apache Solr);
○ Provisioning tools (e.g. Terraform, Ansible);
○ Quality tools (e.g. SonarQube);