Senior Full Stack Engineer – PHPGo + Flutter (mfx)

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profile Job Location:

Berlin - Germany

profile Monthly Salary: Not Disclosed
Posted on: Yesterday
Vacancies: 1 Vacancy

Job Summary

Your mission

SIDES builds a cloud-based POS and payment operating system for the hospitality industry. We connect POS payments delivery platforms kitchen tools self-order solutions apps and webshops into one powerful fully integrated platform - highly performant scalable and reliable even under heavy load. Thousands of hospitality businesses rely on our technology every day to run their operations efficiently and digitally.

Our tech stack: Flutter (mobile & web) Go PHP and AWS - including real POS hardware seamlessly integrated into our system.

Your responsibilities:

  • Deliver features end-to-end in a cross-functional team from ideation and design to implementation rollout and operations
  • Work across the entire stack from backend to frontend
  • Use AI tools (e.g. OpenCode Copilot) responsibly and help establish best practices within the team
  • Ensure operational quality with a strong focus on performance security stability scalability and observability
  • Actively contribute to architectural and design decisions
  • Support and grow the team through mentoring and pair programming
  • Help define and improve standards for testing code quality and CI/CD
  • Build clean APIs well-designed data models and high-performance user experiences

Your profile

  • Several years of experience as a Senior Full Stack Engineer
  • Strong experience in backend development with PHP and/or Go combined with hands-on experience in Flutter
  • Ability and willingness to work across both backend (PHP/Go) and frontend (Flutter) as part of a unified stack
  • Pragmatic solution-oriented mindset with a strong focus on quality
  • Solid understanding of MySQL relational data models and API design
  • Experience with AWS and containerized deployments; Kubernetes is a plus
  • Systems thinking across architectural and technological boundaries
  • Independent structured working style with strong analytical skills
  • Fluency in English (required); German is a plus

Perks & Benefits

  • A recipe for success: With over a decade of experience in the gastronomy and delivery industry SIDES is known as a true specialist in this field. Join a leading player and help shape the future of the market.
  • Ownership & impact: We give you the space to bring in your ideas grow your strengths and take real responsibility. Youll work independently while being supported by a strong and collaborative team.
  • High-quality work setup: Modern hardware ergonomic workstations and a professional office environment ensure you can do your best work.
  • Hungry for growth: Continuous learning matters to us. Through regular feedback cycles we actively support your personal and professional development.
  • A positive workplace culture: Enjoy a welcoming atmosphere a trusting team culture and our well-connected office in the heart of Berlin (Südkreuz).

Workplace Environment Perks:

  • Central office location in Berlin
  • Regular office and team events
  • Snacks and drinks in the office
  • SIDES Library
  • Dog-friendly workplace
  • Onboarding lunch to help you settle in and connect with the team

Your Benefits:

  • 50 monthly benefit allowance - your choice:
    • JobRad
    • Deutschlandticket
    • Company pension scheme (bAV)
    • Wellhub
  • Urban Sports Club: Discounted membership with access to fitness classes and wellness activities.
  • Instahelp: Professional mental health support available whenever you need it.
  • Babbel: Free access to Babbel for flexible language learning.
  • INCENT & Corporate Benefits: Attractive employee discounts and exclusive partner offers.
  • Hybrid work: A mix of office and home office depending on your role and team.
  • Flexible working hours: Working hours that fit your daily life and offer real flexibility.
  • December 24th & 31st off: Fully off without deducting vacation events: Our annual highlights - the SIDES Summer Party and our Christmas Get-together.
Your missionSIDES builds a cloud-based POS and payment operating system for the hospitality industry. We connect POS payments delivery platforms kitchen tools self-order solutions apps and webshops into one powerful fully integrated platform - highly performant scalable and reliable even under heavy...
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About Company

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At SIDES, we are transforming the gastronomic delivery industry with our cutting-edge, cloud-based software. Our innovative, modular system is designed to meet the unique needs of each business, providing flexibility and scalability. With modules such as POS systems, webshops, apps, c ... View more

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