Senior Software Engineer

Halcyon Labs is a spatial intelligence platform that helps businesses understand and operate physical spaces using real‑time AI. Built on a camera‑first, privacy‑conscious foundation, our platform transforms physical environments into actionable systems—improving operations, elevating customer experiences, and unlocking measurable business value. Halcyon Labs is building toward a future where the physical world is as searchable, observable, and understandable as the digital one. Across grocery and convenience, venues, specialty retail, quick-service restaurants, and travel hubs, Halcyon Labs helps customers solve problems such as fraud prevention, out-of-stock and planogram optimization, 24/7 commerce enablement, no-line premium entry, omnichannel analytics, labor optimization, order accuracy, and frictionless access. With global deployments across diverse formats, Halcyon Labs is building a powerful real-world data foundation that continually improves the intelligence and adaptability of its platform. Responsibilities Lead on optimizing our highly concurrent systems Scale the store operating systems from small stores to gigantic venues Make design decisions in the process of developing our core backend microservices Work closely with app developers and product managers to understand the use cases that we need to cover and their potential bottlenecks Work with deployment engineers to ensure that what you build goes as quickly as possible to the clients Requirements BS/MS in computer science or related field 3+ years of experience as a Software Engineer (Backend) 2+ years of experience using TypeScript 2+ years of experience working in node.js for web applications backend Highly skilled in unit testing, experience with Jest testing framework Highly skilled in RESTful API design and REST API usage Proficiency with data modeling, static typing, and SQL Proficiency in using Docker Experience with event driven or real-time systems Experience with TypeScript / JavaScript backend frameworks (e.g. NestJS) Experience with Python, GoLang, or C# Experience with Kubernetes Experience with Postgres Experience with Frontend Development (React, React Native) is a plus Experience with Domain Driven Design, Event Sourcing and CQRS is a plus Preferred Additional Qualifications MS or PhD in Computer Science, Computer Engineering or a related field Skilled in Kubernetes, experience with kustomize or helm Experience with MongoDB Experience with gRPC Experience in e-commerce software, checkout processes, payments, virtual POS or other related systems Halcyon Labs is an equal opportunity employer committed to fostering an inclusive, diverse, and equitable workplace. We do not discriminate on the basis of race, color, religion or belief, national origin, sex, gender identity or expression, sexual orientation, age, marital status, veteran status, disability, or any other status protected by applicable law. Originally posted on Himalayas