Senior Full-Stack Developer – PHP/Symfony, React

MRP My Recruitment Partners Ltd.

. Gradually replace legacy modules with Symfony services and React interfaces while the system remains operational .

Posted 10/27/2026full-timeBerlin • GermanySenior💰 €52,000 - €62,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates strong expertise in modern PHP 8.x, Symfony, and full-stack development, with a focus on maintaining and modernizing legacy systems. Proficient in relational databases, code reviews, and providing technical guidance while ensuring high-quality deliverables.

Highest-signal resume keywords

Modern PHP 8.xSymfony FrameworkFull-Stack DevelopmentRelational Databases (MySQL/MariaDB)Technical Guidance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Object-Oriented ArchitectureDependency InjectionSOLID PrinciplesJavaScriptReactSQLGitCI/CDREST/API DesignAutomated Testing

Soft Skills

Reliable CommunicationTeamworkOwnershipKnowledge SharingProactive Working Style

Tools & Technologies

DockerDeployment PipelinesCloud TechnologiesPHPUnitJest

Certifications & Qualifications

Vocational TrainingUniversity Degree

Industry Keywords

Legacy CodebasesCode ReviewsModernization InitiativesCustomer MeetingsSoftware Architecture

Tech Stack

Tools & technologies

CloudDockerJavaScriptJestjQueryMariaDBMySQLPHPReactSQLSymfony

About the role

Key responsibilities & impact

Gradually replace legacy modules with Symfony services and React interfaces while the system remains operational
Develop full-stack features from the database through to the frontend, including customer-specific extensions
Maintain, debug, and further develop existing legacy code
Conduct code reviews and expand test coverage
Coordinate upcoming modernization areas with the Head of Development and Managing Director
Provide technical guidance to two apprentices in the final stage of their training, without disciplinary responsibility
Occasionally attend customer meetings, approximately every 3–4 weeks
Make technical decisions independently and contribute to architecture and modernization initiatives
Ensure maintenance, support, and new feature development alongside the modernization effort

Requirements

What you’ll need

Approximately 4–5 years of professional software development experience (guideline, not a strict requirement)
Strong knowledge of modern PHP 8.x with object-oriented architecture, dependency injection, interfaces, and SOLID principles
Proven hands-on experience with Symfony
Confident working with established legacy codebases, including refactoring, debugging, and further development
Solid JavaScript and React experience; knowledge of jQuery
Experience with relational databases such as MySQL/MariaDB or SingleStore, along with strong SQL skills
Experience with Git and CI/CD
German at C1 level
English at least B1 level
Independent, structured, and proactive working style with a strong commitment to quality
Reliable communication, teamwork, ownership, and willingness to share knowledge
Vocational training, a university of applied sciences degree, or a university degree; practical experience is the decisive factor
Willingness to occasionally attend customer meetings
Nice to have: REST/API design, interface development, automated testing (PHPUnit, Jest), Docker, deployment pipelines and cloud technologies, software architecture, design patterns, and productive use of AI tools such as Claude Code or Codex

Benefits

Comp & perks

30 days of annual leave
Flexible working hours with core hours starting at 10:00 a.m.
2 remote-work days per week
Professional development during working hours
Udemy courses
Claude license
Lenovo ThinkPad
UrbanSportsClub membership
JobRad bicycle leasing
Good public transport connections
Permanent employment contract