Last seen September 21, 2026
Posted June 26, 2026 · 86 days ago
Est. expiry July 31, 2026

Senior PHP Developer with DDD

PHP Developer
Global
RemoteFull-time, Senior
At a glance

Senior PHP Developer role focused on DDD and modern API design. You will optimize PHP systems, Symfony, and PostgreSQL, building scalable fintech backends. Remote Europe CET hours; strong autonomy and impact.

Original job description

At WhiteTech, we empower businesses in the financial ecosystem with cutting-edge white-label and SAAS solutions. Our comprehensive suite of tools is tailored for EMI, PSP, e-commerce, and open banking platforms. With WhiteTech, clients gain access to a platform designed for flexibility, scalability, and seamless integration. Our mission is to help businesses unlock their full potential in a rapidly evolving financial landscape. We are a remote-first technology company and welcome applications from candidates across Europe, including the EEA, the UK, Switzerland, and other non-EEA European countries such as Ukraine, Moldova, Georgia, Armenia, Montenegro, Turkey, and the Western Balkans. We also consider applicants from different locations who can work within Central European Time (CET).Your role and impact:In your role at WhiteTech, you'll be at the heart of our mission to revolutionize payments worldwide. Your expertise will be critical in analysing 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.Your key responsibilities will include: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 make sure 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.Provide support for the implemented software in productionCollaborating with the front-end developers and other team members to complete all of the above tasks in the most efficient way.This role is about improving our products and solving problems, so we're looking for someone with excellent troubleshooting skills, curiosity for innovations and unconventional solutions.What makes you stand out:Understanding of best practices for optimizing code and web products in PHP, working with caching, asynchrony. Knowledge of best practices for developing and supporting large-scale projects.Deep understanding of OOPDeep understanding of Symfony. Proficient in designing and implementing RESTful APIs using Symfony. Proficient in Doctrine ORM.Relational Database Management (PostgreSQL). Proficiency in optimizing complex SQL queries...

The text above is the employer's original job description, extracted as written. Other details on this page, like salary, responsibilities, and requirements, are interpreted from that text by our system, not values the employer explicitly confirmed, so treat them as our best interpretation rather than verified facts.

Skills & Technologies
PHPSymfonyDoctrine ORMPostgreSQLKubernetesDockerRESTful APIsCQRSEvent SourcingDDDCI/CDTesting FrameworksSQL OptimizationDatabase Design
Responsibilities
  • Design, develop, test, document, release and support software from scratch
  • Enhance and refine API and backend systems
  • Integrate third-party solutions to broaden payment ecosystem
  • Run tests and set up testing environments
  • Fix bugs and debug
  • Prepare technical documentation
  • Provide production support
  • Collaborate with frontend developers
Requirements
  • PHP
  • Symfony
  • Doctrine ORM
  • PostgreSQL
  • Kubernetes
  • Docker
  • SOLID
  • GRASP
  • DDD
  • CQRS
  • Event Sourcing
  • RESTful APIs
  • Unit / integration testing
  • Test automation
Recruitment Process
  1. Application screening
  2. Interview stages (2-3 weeks)
  3. Prescreening call
  4. Technical Interview
  5. Soft Skills Interview
  6. Job Offer
Whitetech logo
Whitetech · 12 open roles
Top locations: Remote - Global · 13
View company
Current open roles at Whitetech on JobCrawls
LocationActive listings
Remote - Global13
Current role mix at Whitetech on JobCrawls
Role typeActive listings
PHP Developer4
Business Analyst2
SEON Specialist1
Project Manager1
Software Architect1
Product Marketing Manager1
Quality Assurance Engineer1
Talent Pool1
Senior Product Manager1
Current role-level mix at Whitetech on JobCrawls
Role levelActive listings
Senior7
Mid-Level6

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