Q

Senior Software Engineer, AI-Native Development

Qlub•Technology
Berlin, GermanyTemps pleinSur siteil y a 2 semaines
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📄Stellenbeschreibung

Why qlub

The end of a great meal shouldn't be the slow part. Waiting for the check, finding someone to take payment, splitting a bill by hand. qlub removes that friction. Guests scan a QR code and pay in seconds. No app, no download, no waiting.

From Pay-at-Table and Digital Menus to Order-and-Pay, Payment Links, and SoftPOS terminals, we handle the full payment experience so restaurants can focus on what they do best: great hospitality.

Less friction means faster table turnover, smoother operations, and higher profit.

We're a fast-scaling fintech backed by Mastercard, Mubadala, e& and Shorooq. $72M raised, live across multiple markets worldwide, and headcount doubled in the past year. We're building the teams that take us to the next stage.

The role

qlub is scaling fast across markets worldwide, and we look for people who take real ownership of their work.

As our next Software Engineer, you'll help drive our growth in engineering platforms by building, shipping, and delivering results from day one.

You'll work closely with engineers, operators and partners to turn frictionless payments into real growth for restaurants.

You will also use AI-assisted development practices throughout the software development lifecycle and contribute to AI-powered and agentic systems that can reason, retrieve information, use tools, and execute controlled workflows.

If you thrive in a fast-moving, build-from-scratch environment, this role is for you.

What you’ll own

Design, build, and operate secure, scalable, and highly reliable payment services, including payment gateways, transaction processing, reconciliation, and settlement flows
Build and maintain integrations with POS systems, payment providers, financial partners, and other third-party platforms
Use AI-assisted development tools for discovery, implementation, debugging, testing, code review, documentation, and refactoring while maintaining strong engineering quality standards
Design and develop AI-powered and agentic workflows that can retrieve data, call tools, interact with internal systems, and execute controlled actions
Implement appropriate permissions, human approvals, guardrails, observability, auditability, and fallback mechanisms for agentic systems
Identify performance bottlenecks and improve the speed, reliability, security, and cost efficiency of payment and AI-powered workflows
Write clean, maintainable, tested, and well-documented code that follows software engineering and financial-system security best practices with AI
Contribute to technical design discussions, architecture decisions, engineering standards, and continuous improvement across the team

Who you are

You've done this before in a fast-moving, high-growth environment
You move fast and make strong decisions with incomplete information
You take real ownership and think like an operator, not a coordinator
You're energized by hard problems in payments, hospitality, and customer experience
You use AI development tools pragmatically to improve speed and quality without compromising security, maintainability, or engineering judgement
You collaborate effectively with engineers, product teams, operations teams, and external technical partners

What you’ll need

Proven experience in building production-grade software applications
Fluency in English is a must
Excellent problem-solving and communication skills
Hands-on experience with Golang
Practical experience with LLM APIs, tool calling, retrieval-augmented generation, or agentic workflows
Experience designing and implementing secure and scalable software solutions
Strong knowledge of REST APIs, microservices, asynchronous processing, and distributed systems
Proficiency in databases, data modelling, and database design concepts
Experience with POS systems, payment providers, or complex third-party integrations
Experience building or integrating production AI applications
Understanding of AI-system risks, including hallucinations, prompt injection, data leakage, non deterministic behaviour, and unsafe tool execution
Experience with automated testing, observability, debugging, and performance optimization

Nice to have

Experience in payments, fintech, hospitality tech, or a high-growth marketplace
Experience with payment gateways, transaction processing, settlement, reconciliation, or chargeback systems
Experience building AI agents that interact with APIs, databases, internal tools, or operational workflows

•Familiarity with model evaluation, prompt management, AI observability, guardrails, or LLM cost optimization

Exposure to vector databases, embeddings, semantic search, or retrieval systems
Experience with cloud platforms, containerized services, CI/CD, and infrastructure-as-code
Familiarity with PCI DSS, data privacy, and secure software-development practices
React/ modern frontend development experience

What we offer

Real ownership over products that impact millions of diners and thousands of restaurants globally
The opportunity to solve challenging problems in payments, hospitality, and customer experience
A fast-moving environment where great ideas quickly become reality
Close collaboration with experienced operators, builders, and industry experts
A chance to leave a visible mark on one of the fastest-growing restaurant technology companies globally

Ready to build? Join us and help shape how the world pays at the table. If that excites you, apply now.

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Aperçu du poste

Publiée le
13 octobre 2026
Lieu
Berlin, Germany
Type de contrat
Temps plein
Mode de travail
Sur site

Entreprise

Q

Qlub

Berlin, Germany
Voir le profil de l’entreprise
Source

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