ABOUT OOLIO:\nOolio is a leading B2B SaaS platform transforming how hospitality venues operate and grow. Trusted by more than 22,000 venues, we power mission-critical POS, payments, online ordering, kiosks, loyalty, kitchen management, and real-time insights — all within one connected ecosystem.\nWe are building the operating system for modern hospitality — simplifying complex operations, accelerating service, and unlocking smarter, data-driven decisions. Built by hospitality professionals with decades of industry experience, we understand the realities of every shift, every service rush, and every guest interaction. From cafés and quick-service restaurants to pubs, multi-site groups, and stadiums, Oolio enables venues to operate seamlessly at scale.\nWith next-business-day settlements, powerful third-party integrations, and 24/7 real human support, we go beyond software — we become long-term partners in growth.\nAs a rapidly scaling product-led organisation, we’re shaping the future of hospitality technology.\nWe build the technology backbone that powers modern hospitality businesses to perform, compete, and thrive at scale.\nJOB DESCRIPTION:\nAt Oolio, Golang Backend Engineers are product builders who take ownership of systems that power mission-critical B2B SaaS platforms. You will design and build highly scalable, resilient, and performance-driven backend systems using Golang in a fast-growing, scale-up environment.\nYou will collaborate closely with Product, Design, and Engineering teams to translate business requirements into robust distributed systems designed for growth, reliability, and long-term technical excellence.\nRESPONSIBILITIES:\n- Own end-to-end development of backend services—from architecture and design to deployment, observability, and production reliability.- Design and implement scalable, distributed microservices using Golang with strong emphasis on performance, concurrency, and maintainability.- Architect and evolve event-driven systems using async messaging, queues, pub/sub, and streaming patterns to support high-scale, low-latency applications.- Build and optimize RESTful and/or gRPC APIs that power web, mobile, and third-party integrations.- Contribute across the stack when required, collaborating with React and Node.js services to deliver cohesive product features.- Design systems that support offline-first capabilities, ensuring reliable data synchronization and consistency across unreliable networks.- Develop cloud-native services deployed on AWS, leveraging Kubernetes and Docker for containerized infrastructure.- Optimize application performance, throughput, and reliability as product usage and customer scale increase.- Implement strong testing strategies including unit, integration, contract, and performance testing.- Drive observability best practices including structured logging, monitoring, metrics, tracing, and alerting.- Participate in code reviews and actively contribute to improving engineering standards and best practices.- Troubleshoot complex production issues, perform root cause analysis, and implement long-term systemic fixes.- Collaborate with cross-functional teams to translate business requirements into scalable and secure technical solutions.\nREQUIREMENTS:\nRole: Backend Engineer / Senior Backend Engineer – Golang Developer\nExperience: 5 – 8 Years (solid hands-on backend engineering focus)\nEducation: Preferred – B.Tech/B.E/M.Tech/M.E/MCA/M.S\nTechnology Stack: Golang, (ReactJs AND/OR Node.Js - Good to have), Microservices, Event-driven Architecture, Distributed Systems, AWS, Kubernetes, Docker, SQL & NoSQL databases, API design, HLD, LLD, Performance Optimization, Testing Frameworks, RabbitMQ, Kafka, GraphQL\nOther Requirements\n- Strong hands-on experience building production-grade backend systems in SaaS or product-based organisations.- Deep understanding of Golang internals including concurrency patterns, goroutines, channels, memory management, and performance profiling.- Solid experience designing scalable microservices and distributed systems.- Strong experience with PostgreSQL and/or DynamoDB including schema design, indexing, and query optimization.- Hands-on experience with Kubernetes, container orchestration, and cloud infrastructure (preferably AWS).- Experience implementing CI/CD pipelines and DevOps best practices.- Strong understanding of data consistency models, concurrency control, and fault-tolerant system design.- Experience working in high-scale or high-transaction environments (POS, payments, fintech, etc. is a plus).