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Principal Full-Stack Engineer(m/w/x)
End-to-end ownership of complex platform engineering problems, ensuring reliability and performance. 15+ years of web application development experience required. Retention bonus, flexible work location and hours.
Requirements
- 15+ years hands-on experience building and maintaining complex web applications
- Clear technical communication skills
- Expert PHP developer (12+ years); Symfony or equivalent frameworks
- 10+ years modern JavaScript; React or Vue (Next/Nuxt a plus)
- Expert level knowledge in at least one more programming language (Python a plus)
- Full-stack architecture expertise: monoliths, services, and hybrids
- Power user cloud deployment and scaling (AWS preferred) experience
- Expert Linux user; including daily containerized workflows with Docker
- Expert in infrastructure automation: Terraform, Ansible
- Power user level CI/CD pipeline and release workflow ownership
- Experience in automated testing: unit, integration, E2E; TDD where appropriate
- Expert level knowledge in web security fundamentals: auth, authorization, data protection, secure coding
- Legacy + modern codebase fluency; ability to work on incremental modernization
- Strong independent technical ownership and accountability
- Good fit even if not meeting 100% of requirements
Tasks
- Manage your time and adhere to company priorities
- Own complex engineering problems end-to-end
- Frame, design, deliver, and iterate on solutions
- Ensure critical platform areas are reliable and performant
- Maintain critical platform areas
- Build new features across platforms
- Improve existing features across platforms
- Refactor legacy code pragmatically
- Refactor modern code pragmatically
- Balance code health with delivery needs
- Write unit tests
- Write integration tests
- Write end-to-end tests
- Ensure software reliability through testing
- Participate in all software lifecycle phases
- Lead technical discussions
- Drive sound technical decisions
- Make technical trade-offs
- Work hands-on across backend systems
- Work hands-on across frontend systems
- Address problems wherever they arise
- Identify inefficiencies
- Streamline workflows
- Reduce unnecessary work
- Collaborate closely with senior engineers
- Raise the bar through example
- Take ownership of your work
- Ensure high-quality results
- Deliver maintainable solutions
Work Experience
- 15 years
Education
- Bachelor's degreeOR
- Master's degree
Languages
- English – Business Fluent
Tools & Technologies
- PHP
- Symfony
- JavaScript
- React
- Vue
- Next
- Nuxt
- Python
- AWS
- Linux
- Docker
- Terraform
- Ansible
Benefits
Flexible Working
- Flexible work location and hours
Bonuses & Incentives
- Retention bonus scheme
Modern Equipment
- Latest MacBook
Corporate Discounts
- Branded merchandise
Startup Environment
- Optimal work environment
- Global co-working access
Team Events
- Events and gatherings
Not a perfect match?
- XcelirateFull-timeFreelanceWith HomeofficeSeniorBerlinfrom 125,000 / year
- Xcelirate
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Principal Full-Stack Engineer(m/w/x)
End-to-end ownership of complex platform engineering problems, ensuring reliability and performance. 15+ years of web application development experience required. Retention bonus, flexible work location and hours.
Requirements
- 15+ years hands-on experience building and maintaining complex web applications
- Clear technical communication skills
- Expert PHP developer (12+ years); Symfony or equivalent frameworks
- 10+ years modern JavaScript; React or Vue (Next/Nuxt a plus)
- Expert level knowledge in at least one more programming language (Python a plus)
- Full-stack architecture expertise: monoliths, services, and hybrids
- Power user cloud deployment and scaling (AWS preferred) experience
- Expert Linux user; including daily containerized workflows with Docker
- Expert in infrastructure automation: Terraform, Ansible
- Power user level CI/CD pipeline and release workflow ownership
- Experience in automated testing: unit, integration, E2E; TDD where appropriate
- Expert level knowledge in web security fundamentals: auth, authorization, data protection, secure coding
- Legacy + modern codebase fluency; ability to work on incremental modernization
- Strong independent technical ownership and accountability
- Good fit even if not meeting 100% of requirements
Tasks
- Manage your time and adhere to company priorities
- Own complex engineering problems end-to-end
- Frame, design, deliver, and iterate on solutions
- Ensure critical platform areas are reliable and performant
- Maintain critical platform areas
- Build new features across platforms
- Improve existing features across platforms
- Refactor legacy code pragmatically
- Refactor modern code pragmatically
- Balance code health with delivery needs
- Write unit tests
- Write integration tests
- Write end-to-end tests
- Ensure software reliability through testing
- Participate in all software lifecycle phases
- Lead technical discussions
- Drive sound technical decisions
- Make technical trade-offs
- Work hands-on across backend systems
- Work hands-on across frontend systems
- Address problems wherever they arise
- Identify inefficiencies
- Streamline workflows
- Reduce unnecessary work
- Collaborate closely with senior engineers
- Raise the bar through example
- Take ownership of your work
- Ensure high-quality results
- Deliver maintainable solutions
Work Experience
- 15 years
Education
- Bachelor's degreeOR
- Master's degree
Languages
- English – Business Fluent
Tools & Technologies
- PHP
- Symfony
- JavaScript
- React
- Vue
- Next
- Nuxt
- Python
- AWS
- Linux
- Docker
- Terraform
- Ansible
Benefits
Flexible Working
- Flexible work location and hours
Bonuses & Incentives
- Retention bonus scheme
Modern Equipment
- Latest MacBook
Corporate Discounts
- Branded merchandise
Startup Environment
- Optimal work environment
- Global co-working access
Team Events
- Events and gatherings
About the Company
Xcelirate
Industry
IT
Description
Xcelirate develops technologically-advanced platforms accessed by thousands of users, aiming for market dominance and global expansion.
Not a perfect match?
- Xcelirate
Senior Full-Stack Engineer(m/w/x)
Full-timeFreelanceWith HomeofficeSeniorBerlinfrom 125,000 / year - Xcelirate
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Full-timeFreelanceWith HomeofficeSeniorBerlinfrom 145,000 / year - Intercom
Principal Engineer(m/w/x)
Full-timeWith HomeofficeExperiencedBerlin - Hostaway
Principal FrontEnd Engineer(m/w/x)
Full-timeRemoteSeniorWien, Berlin - Affinidi
Engineering Manager, Full Stack(m/w/x)
Full-timeWith HomeofficeSeniorBerlin