About the Position

We are looking for a Senior Backend Developer (PHP) to join our fintech team and revolutionize payments worldwide. Your expertise will be critical in analyzing data, processes, and code to identify, resolve, or prevent issues and drive product improvements. You will contribute to developing a secure, well-tested, and high-performing product, setting new standards in the fintech industry.

Responsibilities

Designing, developing, testing, documenting, releasing, and supporting software from scratch.
Enhancing and refining our existing API and backend systems.
Integrating third-party solutions to broaden our payment ecosystem (acquirer, gateway, alternative payment methods, token platforms, systems for verification/scoring/monitoring of customer operations, reporting, etc.).
Running tests to ensure everything works as it should and setting up a testing environment for checking new features.
Fixing existing bugs and debugging the developed software.
Preparing necessary technical documentation.
Providing support for the implemented software in production.
Collaborating with front-end developers and other team members to complete tasks efficiently.

Requirements

Understanding object-oriented programming and its application in PHP.
Knowledge of security threats and security measures in PHP, including protection against SQL injections, XSS attacks, CSRF.
Experience writing and executing tests, including unit tests, integration tests, and failure tests.
Good knowledge of syntax, language structure, data types, operators.
Deep understanding of OOP.
Proficient use of core Symfony.
Practical experience with Doctrine ORM.
Experience with PHPUnit.
Proficient in data manipulations (basic CRUD operations) using SQL, PostgreSQL.
Understanding of basic Docker, Kubernetes.
Understanding of the basic concepts and benefits of Continuous Integration (CI) and Continuous Deployment/Delivery (CD) processes.
Theoretical SOLID, GoF design patterns, GRASP knowledge.
Hands-on experience with Domain-Driven Design in designing and developing complex PHP applications (must-have).
Understanding the basic principles of CQRS.
Understanding the concept of integration tests and how they differ from other types of testing, such as unit testing and functional testing.
Understanding of the basic concepts of Event Sourcing, including events, aggregates, projections, and event streams.
Understanding of basic microservices concepts, such as dividing functionality into small, independent services and communicating between them via APIs.
Understanding of the basic functionality of Jenkins, the quality of software assembly, testing, and deployment.
Good knowledge of traditional monolithic architectures and Microservices Architecture, as well as Hexagonal Architecture's emphasis on separation of concerns.
Full SDLC cycle.
Strong understanding and practice of Agile Development Methodology and its SCRUM and KANBAN frameworks.

Nice to Have

Experience with Elasticsearch, Redis.
Experience with Gitlab CI/CD.
Understanding of or working experience with Event Sourcing.
Experience with nginx, shell.
OpenAPI (swagger-php).
UML, TDD.
Agile/Scrum experience.

We Offer

Competitive compensation package (commensurate with your experience).
Access to paid corporate English lessons (through Preply).
19 business days of flexible Paid Time Off (PTO).
Fully remote work with flexible hours (within the CET time zone) from any location of your choice.
Values-driven culture with a friendly and supportive work environment.
Opportunity to regularly participate in conferences and community events as both a participant and contributor.
Matrix organizational structure designed to streamline communication, remove barriers, and promote efficiency.

About the Company

Join our innovative fintech team and contribute to revolutionizing payments worldwide. We are committed to creating a secure, high-performing product and setting new standards in the industry.

Senior Backend Developer (PHP)

Job description