Senior Full Stack Engineer - PHP/Go + Flutter (m/f/x)

October 2, 2026

Hybrid

Senior

Berlin

Worth knowing

English is required

Description

Hospitality-tech company building an operating system for restaurants: POS, payments, delivery, kitchen tools, self-order terminals, apps and webshops on one platform. Thousands of restaurants rely on it, with millions of transactions monthly, peaking on Friday nights when nothing is allowed to fail. The stack spans Flutter for mobile and web, Go, PHP and AWS, and the software runs on real hardware inside restaurants. This senior full-stack role delivers features end-to-end in a cross-functional team, contributes to architecture, and mentors teammates.

Gender markers in the title: (m/f/x)

In accordance with European anti-discrimination legislation, this job is open to all candidates

Mmale

Ffemale

Xintersex

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., Claude) 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

Requirements

Several years of experience as a Senior Full Stack Engineer
Strong experience in backend development with PHP and/or Go combined with hands-on Flutter experience
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

Conditions

Hybrid work with a mix of office and home office depending on your role and team
Flexible working hours that fit your daily life
€50 monthly benefit allowance toward JobRad, Deutschlandticket, company pension scheme, or Wellhub
Discounted Urban Sports Club membership with access to fitness, classes, and wellness activities
Professional mental health support through Instahelp, available whenever you need it
Attractive employee discounts and exclusive partner offers through INCENT and Corporate Benefits
December 24th and 31st fully off without deducting vacation days
Annual company events: summer party and Christmas get-together
Modern hardware, ergonomic workstations, and a professional office environment
Central office location in Berlin with regular office and team events
Continuous learning and personal development through regular feedback cycles
Company library, dog-friendly workplace, and onboarding lunch to help you settle in
Ownership and impact with space to bring in ideas and take real responsibility

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