Senior PHP Symfony Engineer

Smart Working

. Take ownership of backend development within the core Symfony application .

Posted 10/4/2026full-timeRemote • United Kingdom, Romania, Spain, PortugalSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive expertise in PHP and Symfony development, with a strong focus on backend architecture, system design, and performance optimization. Capable of delivering maintainable solutions within legacy codebases while adhering to security and compliance standards.

Highest-signal resume keywords

PHP DevelopmentSymfony 6.x/7 ExpertiseMySQL Database DesignAutomated Testing with PHPUnitAI Development Tools

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Backend DevelopmentCode ReviewPerformance OptimizationScalabilityLegacy Code MaintenanceDatabase Schema DesignQuery OptimizationFramework UpgradesAWSCI/CD with GitHub Actions

Soft Skills

Strong Communication SkillsSelf-SufficiencyCollaboration in Remote Teams

Tools & Technologies

SymfonyAngularTypeScriptPHPUnitAWSAmazon Redshift

Industry Keywords

SOC 2PIIData ProtectionSoftware EngineeringCommercial Experience

Tech Stack

Tools & technologies

Amazon RedshiftAngularAWSAzureMySQLPHPPythonSymfonyTypeScript

About the role

Key responsibilities & impact

Take ownership of backend development within the core Symfony application
Become fully independent in delivering work within 2–3 months of joining
Review and critically assess code written by the team and AI tools
Support migration from Symfony 6.1 to Symfony 7
Resolve versioning, compatibility and legacy issues
Improve application performance, scalability and maintainability
Work across Angular front end, TypeScript and Python-based AI agent services
Collaborate with DevOps where backend changes impact other system areas
Understand the Angular/TypeScript codebase
Assess the wider impact of technical decisions across Symfony, Angular and AI services
Identify root causes and improve existing approaches
Deliver maintainable solutions within a legacy codebase
Work autonomously while collaborating with a remote, cross-functional team
Follow SOC 2, PII and security requirements

Requirements

What you’ll need

8+ years of commercial software engineering experience, including at least 5 years working with PHP
7+ years of Expert-level PHP development experience
3+ years of recent commercial experience with Symfony 6.x/7 at Advanced level
4+ years of Advanced experience in backend architecture, system design and scalability
2+ years of Advanced experience using AI development tools critically, including reviewing, validating and challenging AI-generated code
5+ years of Advanced MySQL experience, including database schema design and query optimisation
At least 1 year of experience working with or understanding Angular/TypeScript
3+ years of Advanced experience with automated testing using PHPUnit
At least 1 year of Intermediate experience working on framework upgrades and modernising legacy codebases
2+ years of Intermediate AWS experience
Fluent written and spoken English
Strong written and verbal communication skills, with the ability to work effectively in a remote environment
Ability to work UK hours
Ability to successfully complete strict background checks and adhere to PII and data protection requirements
Strong self-sufficiency and ability to operate independently after 2–3 months
Hands-on engineering approach combined with an architectural mindset
Nice-to-have: 2+ years of Intermediate CI/CD experience with GitHub Actions
Nice-to-have: Basic experience with Amazon Redshift or data warehousing
Nice-to-have: Azure exposure alongside AWS
Nice-to-have: Previous project leadership experience
Nice-to-have: Previous mentoring and technical leadership experience

Benefits

Comp & perks

Full-time, long-term role
Remote-first work environment
Genuine community focused on growth and well-being
Professional and personal growth opportunities
Collaboration with a remote, cross-functional product squad