Senior Software Engineer, AI-Native Development

qlubAmsterdamHybridFull-time7 Oct 2026

qlub is a fast-scaling fintech in the restaurant payment space, backed by Mastercard, Mubadala, e& and Shorooq, seeking a Senior Software Engineer for AI-native development. The role involves building secure, scalable payment services and AI-powered agentic workflows, requiring hands-on Golang experience and practical LLM API knowledge.

What you'll do

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

What you need

Must-have

GoLLM APIsTool callingRetrieval-Augmented GenerationAgentic workflowsREST APIsMicroservicesAsynchronous processing

Nice-to-have

Payment gatewaysTransaction processingSettlementReconciliationChargeback systemsAI agentsModel evaluationPrompt management

Soft skills

Problem-solvingCommunicationOwnershipCollaborationDecision-making

Software EngineerAIFintechPaymentsGolangLLMAgentic SystemsSeniorHybridAmsterdam

/What you'll do

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Must-have

Nice-to-have

Soft skills

What you'll do

What you need