Senior Software Engineer - Payments Fraud Solutions

Olo is a leading SaaS platform accelerating digital transformation in the restaurant industry, by helping customers deliver more personalized and profitable guest experiences. As a result, our digital ordering, payment, and guest engagement solutions enable brands to do more with less and make every guest feel like a regular. As a Senior Software Engineer on the Payments Fraud Solutions team, you will develop, scale, and monitor solutions and services that facilitate payment for online orders, ensuring valid transactions are let through, and stopping bad actors. Our team is responsible for adding new features and enhancing our many payments integrations. While primarily focused on our back-end, the position may require contributions throughout our stack. We aim to collaborate well. We encourage new ideas and experimentation. No part of the codebase is off-limits. You'll work with a passionate team dedicated to delivering amazing products using modern technologies. This position is fully remote; while we are looking for candidates based in Northern Ireland, we are open to candidates anywhere within the United Kingdom. You will be contracted to Olo through Deel, our Employer of Record. An Employer of Record (EOR) is an organization hired by companies to handle the legal and administrative responsibilities of employing staff, often in countries where the company might not have a local presence. Here’s an easy way to think of it: You work for Olo in a practical sense, completing your assigned role. The EOR is your formal employer, meaning the EOR takes care of all the administrative and legal responsibilities for your employment. In line with this arrangement, you maintain your day-to-day relationship with Olo, and Deel will be your point of contact for any job-related matters of your engagement. Moreover, you’ll retain all the employment rights you typically have under local employment law when you’re hired through an EOR, and you will be eligible for private healthcare coverage in addition to being able to participate in all statutorily required benefits and pension programs. What You'll Do Demonstrate proficiency in the team's domain and technology stack, providing guidance and technical decision-making. Take ownership of complex features and projects, working independently but communicating with team members to drive development from concept to delivery successfully across multiple time zones. Lead code reviews, set quality standards, and offer in-depth feedback to improve code quality across the team. Partner with Product and other stakeholders to refine requirements, ensuring solutions are well-architected and aligned with business goals. Deliver reliable, maintainable software solutions and actively implement performance optimizations and resilience mechanisms. Monitor and maintain services in production, diagnosing and resolving critical issues efficiently with minimal support. Participate in the architecture and design of distributed systems, ensuring best practices are followed for reliability and scalability. Champion efforts to strategically reduce technical debt, understanding its impact on scalability, performance, and developer velocity. Take the initiative to improve the team's development processes and tooling, advocating for best practices and automation improvements. Collaborate across teams to integrate and align development efforts, ensuring consistency and quality in shared components and APIs. Contribute actively to the team's knowledge base, lead learning sessions, and promote a culture of continuous improvement. What We'll Expect From You 5+ years of experience in software engineering, including excellent knowledge of C#, .NET and object oriented concepts. Strong knowledge of building and maintaining distributed systems, leveraging cloud platforms and services (e.g., AWS, Kafka, Redis, distributed messaging systems, Amazon Web Services, Terraform, Docker, Kubernetes/EKS). Adept at writing unit tests and testable code, and working under distributed version control (preferably Git) In-depth understanding of Windows, Linux, database, and networking concepts Hands-on experience instrumenting, deploying, and monitoring production code Demonstrate leadership skills by mentoring peers, leading technical discussions, and collaborating effectively across teams and departments to deliver solutions aligned with business priorities. Demonstrate strong problem-solving skills and the ability to navigate complex technical challenges. Exhibit excellent judgment, seeking diverse perspectives and challenging assumptions to improve outcomes. Deliver constructive feedback that empowers individuals and strengthens the team. Communicate technical concepts clearly, adapting to both technical and non-technical audiences. Consistently meets sprint and quarterly commitments while maintaining high standards of quality and efficiency. Our Tech Stack Includes Backend: .NET (C#), SQL Server Frontend: React, ASP.NET MVC Tests: NUnit, xUnit, Playwright Infrastructure: AWS, TeamCity, Octopus, Datadog, and Sumo Logic. Additional Information About Olo Olo (NYSE: OLO) is a leading restaurant technology provider with ordering, payment, and guest engagement solutions that help brands increase orders, streamline operations, and improve the guest experience. Each day, Olo processes millions of orders on its open SaaS platform, gathering the right data from each touchpoint into a single source—so restaurants can better understand and better serve every guest on every channel, every time. Over 700 restaurant brands trust Olo and its network of more than 400 integration partners to innovate on behalf of the restaurant community, accelerating technology’s positive impact and creating a world where every restaurant guest feels like a regular. Learn more at olo.com . Applicant Privacy Notice