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Senior Software Engineer – AI-Native Development

Alcor·Salary not specified

Primary stack

ReactRESTAIMicroservices

Nice to have's

JavaNode.jsmodern frontend development practicespayment gatewaystransaction processingsettlementreconciliationchargeback systemscloud platformscontainerized servicesCI/CDinfrastructure-as-codePCI DSSdata privacysecure software-development practices

Job description

About the Position

Senior Software Engineer – AI-Native Development


Responsibilities

As our next Senior Software Engineer – Payments, you'll help drive our growth across our engineering and payment platforms by building secure, scalable, and reliable products from day one.

  • Design, build, and operate secure, scalable, and highly reliable payment services, including payment gateways, transaction processing, reconciliation, and settlement flows
  • Deliver full-stack features using Golang and React across customer-facing, restaurant-facing, and internal platforms
  • 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

Requirements

  • Proven experience building production-grade full-stack software applications
  • Hands-on experience with Golang/Java/Python/Node.js
  • Hands-on experience with React and modern frontend development practices would be a huge plus
  • 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
  • Practical experience with LLM APIs, tool calling, retrieval-augmented generation, or agentic workflows
  • 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
  • Excellent problem-solving and communication skills
  • Fluency in English is a must

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

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, AI, and customer experience
  • A fast-moving environment where great ideas quickly become reality
  • Close collaboration with experienced operators, builders, and industry experts
  • The opportunity to shape how AI-assisted and agentic development is used across real-world payment products
  • A chance to leave a visible mark on one of the fastest-growing restaurant technology companies globally

About the Company

qlub removes the friction of the end of a great meal by providing a seamless payment experience. 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.

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

© Alcor. This job description was sourced from the employer's public career page. TheJob is not the employer — we index the posting and route candidates to the source. All content rights and hiring decisions belong to the employer.

Alcor is a full-cycle service provider that builds software R&D offices for US product tech companies in Eastern Europe and Latin America. We have an exclusive focus on tech recruitment with full operational support.Our solution includes:✔ recruitment of software developers in Ukraine, Poland, Romania, Mexico, Colombia, Chile, and Argentina;✔ Employer of Record service to secure your hiring in a new country;✔ legal & compliance services;✔ equipment purchases, office rent & other back-office supportso that remote development teams can fully concentrate on product development with nothing to worry about.Our clients are software companies & startups from Europe and the USA that want to build a team of software engineers and stand with Ukraine💙💛Visit our website to learn more or...Get to know us via social media pages:Instagram:www.instagram.com/alcor_teamLinkedIn:www.linkedin.com/company/18244868Twitter:twitter.com/Alcor_BPOYoutube:www.youtube.com/... /UC5BUSwiF4649cK7CXpM-ZwQ

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