Olo is hiring a Fullstack Software Engineer on the Catering team to maintain scalable components and services that support online catering orders. The role is fully remote within Northern Ireland and requires 2+ years post-graduation experience, commercial experience with C#, .NET, and a front-end framework (React/Angular/Vue), plus AWS experience. Responsibilities include architecture and technical decision-making, improving reliability and performance, incident response and on-call duties, collaborating with product and design, and using AI coding assistants like Claude Code and GitHub Copilot as part of the workflow.

Join Olo's Core team as a Software Engineer working on baskets, orders, checkout, promotions and platform services. Role is fully remote within Northern Ireland. Responsibilities include implementing small-to-medium features, writing code and tests, participating in code reviews, troubleshooting, contributing to reliability and scalability, on-call duties, and collaborating via tools like GitHub, Jira and Confluence. Requires a degree or equivalent experience and at least 1.5 years in software engineering with proficiency in C#/.NET.

Join Olo's Core team to design, implement, and operate large-scale distributed systems (baskets, orders, checkout, promotions) with emphasis on C#/.NET, microservices, Kafka, cloud (AWS, Kubernetes/EKS), CI/CD, resilience, and mentorship. Role requires 8+ years of software engineering experience and participation in on-call duties; position is fully remote within Northern Ireland (based in/around Belfast).

Olo is hiring a Senior Software Engineer to join the Merchant Solutions team within the Pay engineering group. The role requires 5+ years' software engineering experience, strong .NET/C# backend skills, ownership of complex features, CI/CD and testing expertise, and experience with distributed systems and cloud services (examples listed include AWS, MongoDB Atlas, Kubernetes/EKS). The position is fully remote within Northern Ireland (Belfast is referenced) and involves on-call duties, mentoring, code reviews, and contributions to payments-related functionality (card-present and card-not-present flows, reconciliation, payouts, merchant account management).

Olo is hiring a Senior Security Engineer (Blue Team) to lead detection and response, conduct vulnerability assessments, manage incident response, and mentor other engineers. The fully remote UK role requires 5+ years in security engineering and operations with experience in SIEM, IDS/DLP/FIM, AWS security, IaC tools (Terraform/Ansible/CloudFormation), automation/scripting, and security architecture.

Join Olo's In-Store squad as a Software Engineer II to build and improve integrations with POS partners, deliver small-to-medium features, participate in incident management and on-call duties, and work with technologies such as C#/.NET, microservices, Kafka, AWS, Kubernetes/EKS, and CI/CD tooling. Role is fully remote within Northern Ireland and requires 2+ years post-graduation experience.

The Staff Security Engineer (Blue Team) will act as technical lead for Olo’s Security Blue Team, guiding information protection, incident detection and response, threat hunting, vulnerability management, and security service programs. The role requires 5+ years of security engineering/operations/architecture experience, familiarity with PCI-DSS compliance, cloud security (AWS), IaC, containers/Kubernetes, operating system hardening, SIEM/EDR and a range of security technologies. This position supports a distributed/remote U.S. workforce and participates in a 24/7 on-call rotation.