Senior Software Engineer, AI-Native Development

This is a fully remote position, open to applicants in Germany, +3 more countries.

📋 Description

• Design, develop, and manage secure, scalable, and highly reliable payment services, which encompass payment gateways, transaction processing, reconciliation, and settlement flows.

• Establish and sustain integrations with POS systems, payment providers, financial partners, and various third-party platforms.

• Utilize AI-assisted development tools for discovery, implementation, debugging, testing, code review, documentation, and refactoring processes.

• Create and design AI-driven and agentic workflows that can retrieve data, invoke tools, interact with internal systems, and perform controlled actions.

• Implement permissions, human approvals, guardrails, observability, auditability, and fallback mechanisms within agentic systems.

• Identify performance bottlenecks and enhance speed, reliability, security, and cost-effectiveness of payment and AI-driven workflows.

• Produce clean, maintainable, well-tested, and well-documented code in alignment with software engineering and financial-system security best practices.

• Participate in technical design discussions, architectural decisions, engineering standards, and initiatives for continuous improvement.

• Collaborate with engineers, operators, product teams, operations teams, and external technical partners.

⛳️ Requirements

• Demonstrated experience in developing production-grade software applications.

• Proficiency in English is essential.

• Strong problem-solving and communication abilities.

• Practical experience with Golang.

• Hands-on experience with LLM APIs, tool invocation, retrieval-augmented generation, or agentic workflows.

• Expertise in designing and implementing secure and scalable software solutions.

• Solid understanding of REST APIs, microservices, asynchronous processing, and distributed systems.

• Proficient in databases, data modeling, and database design concepts.

• Experience with POS systems, payment providers, or intricate third-party integrations.

• Background in building or integrating production AI applications.

• Awareness of AI-system risks such as hallucinations, prompt injection, data leakage, non-deterministic behavior, and unsafe tool execution.

• Experience in automated testing, observability, debugging, and performance enhancement.

• Background in payments, fintech, hospitality tech, or within a high-growth marketplace.

• Familiarity with payment gateways, transaction processing, settlement, reconciliation, or chargeback systems.

• Experience in developing AI agents that interact with APIs, databases, internal tools, or operational workflows.

• Knowledge of 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.

• Understanding of PCI DSS, data privacy, and secure software development practices.

• React/modern frontend development experience.

🏝️ Benefits

• Genuine ownership over products that positively affect millions of diners and thousands of restaurants worldwide.

• Opportunity to tackle complex challenges in payments, hospitality, and customer experience.

• A dynamic environment where innovative ideas rapidly come to fruition.

• Close cooperation with seasoned operators, builders, and industry specialists.

• Chance to make a noticeable impact on a rapidly expanding restaurant technology company on a global scale.