--- title: 'Senior Software Engineer - Core at Olo' canonical: 'https://feeny.ai/job/senior-software-engineer-core-olo-belfast-northern-7d8erhzd04kw' type: 'job' last_seen: '2026-09-07' --- # Senior Software Engineer - Core at Olo - **Company:** Olo - **Location:** Belfast Northern, Ireland - **Employment:** full-time - **Work type:** remote - **Posted:** 2026-07-07 - **Last confirmed live:** 2026-09-07 - **Apply:** https://jobs.lever.co/olo/6a1f6505-459b-4239-b05e-e4f69cfea696 ## Job description Olo is a leading SaaS platform accelerating digital transformation in the restaurant industry, by helping customers deliver more personalised and profitable guest experiences. As a result, our digital ordering, payment, loyalty and guest engagement solutions enable brands to do more with less and make every guest feel like a regular. While our roots are in NYC, we’re intentionally investing in Belfast and Northern Ireland as a key hub, with an established leadership presence, a local team, and community for the long term. This role is fully remote, offering you flexibility to work from anywhere within NI. ## Your new role In this role, you’ll join as a Senior Software Engineer on the ‘Core’ team, which is part of the wider ‘Order Engineering’ group. The Core team owns key parts of Olo’s platform, including baskets, orders, checkout, promotions, capacity management, and the services that power ordering experiences at scale. We build and maintain the APIs, services, and tools that brands and partners rely on to create reliable, flexible, and high-performing digital ordering experiences. As a Senior Software Engineer on this growing team, you’ll play a key role in shaping the future of these systems. You’ll help guide technical decisions, improve platform reliability and scalability, contribute hands-on code, and mentor other engineers. This is an opportunity to have meaningful influence across a broad and business-critical area of the platform while helping evolve the architecture for the next stage of growth. On a management level, the team is led by a dedicated Engineering Manager who is based in Northern Ireland. ## How you’ll make an impact - Exhibit mastery of the ‘Core’ team’s domain, taking a leading role in the design and architecture of complex systems and influencing technical direction and strategy. - Own the delivery of large-scale features and projects, coordinating efforts across multiple teams and ensuring alignment with overall business objectives. - Provide mentorship and technical leadership to both junior and senior engineers, helping to grow the technical expertise within the team and fostering a culture of continuous improvement. - Collaborate closely with Product, Design, and other stakeholders to shape requirements, making architectural and technical decisions that balance quality, performance, and delivery timelines. - Ensure the implementation of high-quality, resilient, and scalable distributed systems, incorporating resilience mechanisms and best practices. - Lead troubleshooting and incident management efforts, taking a proactive role in resolving critical production issues and improving system reliability. - Advocate for and implements improvements in development practices, such as enhancing CI/CD processes, optimising infrastructure as code, and increasing test automation coverage. - Coordinate and lead cross-team technical initiatives, ensuring consistency and integration between various services and platforms. - Stay ahead of emerging technologies and trends, assessing new tools and techniques to enhance the team's capabilities. - Demonstrate ownership of the team's delivery pipeline, ensuring that code quality, testing standards, and deployment practices are continuously optimised. - Use Claude Code and GitHub Copilot extensively as part of your daily workflow, and grow your skills through hands-on AI training designed to help you become highly effective with modern AI coding agents and IDEs. - Active participation in on-call duties is required, with specific responsibilities determined by your assigned team and area of expertise. What will set you up for success - Bachelor’s Degree in Computer Science, Software Engineering or equivalent practical experience. - 8+ years of experience in software engineering. - Expert Programming Skills: Advanced proficiency in C#/.Net, with experience in designing and implementing large-scale, complex systems. - Architecture & Design Expertise: In-depth understanding of architectural principles and patterns, particularly for distributed systems (e.g., microservices, event-driven architecture using Kafka). - Resilience & Performance Optimisation: Skilled in applying resilience mechanisms and performance tuning practices to ensure system stability and efficiency at scale. - Cloud Infrastructure & DevOps: Proficient in managing cloud infrastructure and services (e.g., AWS, Kubernetes/EKS) and implementing DevOps best practices using CI/CD tools like GitHub Actions, Octopus Deploy, and Terraform. - Leadership & Cross-Team Collaboration: Demonstrate strong leadership and collaboration skills, with the ability to influence and guide technical efforts across multiple teams and ensure alignment with business objectives. ## About Olo 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 800 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 (United Kingdom) ## About Olo ## Company Overview- **One-liner**: Olo provides an open SaaS platform for restaurants to power digital ordering, payments, delivery, catering, marketing, and loyalty across the full guest journey. - **Entity Type**: Public (NYSE: OLO) until acquired by Thoma Bravo in July 2025; now privately held under Thoma Bravo. - **Headquarters**: New York, New York, United States (with additional remote hubs in Belfast, Northern Ireland, and the UK) - **Founded**: 2005 - **Founders**: Noah Glass (Founder & CEO) ## Core Business - **Primary industry**: Restaurant technology / Hospitality technology - **Target customers**: B2B – restaurant brands of all sizes (800+ brands, from small chains to large enterprises) - **Mission**: “We want every guest to feel like a regular with every single restaurant interaction, no matter the size or the complexity of the restaurant brand.” ## Products & Services - **Olo Digital Ordering**: Online ordering via website, app, and kiosk, enabling direct guest orders and faster service. - **Olo Payments**: Integrated, restaurant-specific payment processing with fraud protection and frictionless checkout. - **Olo Delivery**: Unified management of direct and third-party delivery, eliminating multiple tablets and reducing complexity. - **Olo Catering**: Simplified large-order workflows with flexible menus and built-in controls to capture high-value orders. - **Olo Marketing & Loyalty**: Personalized guest marketing and loyalty programs using real-time data to drive repeat business. - **Olo Platform Ecosystem**: Open SaaS platform integrating with over 450 technology partners, giving restaurants the largest and most flexible commerce ecosystem. ## Market Standing - **Valuation/Market Cap**: Acquired by Thoma Bravo in July 2025 for approximately $2 billion. Prior to acquisition, market cap was ~$830 million. - **Key Metric**: Annual revenue of $284.9 million (FY2024); Q2 2025 revenue $85.7 million. - **Notable Investors/Partners**: Thoma Bravo (acquirer/current parent); integrations with 450+ technology partners. - **Growth Signals**: 800+ restaurant brands, 108 million connected guests, ~90,000 locations, processing 3.5+ million orders per day on average. Headcount of 410 (down 12.5% YoY, likely due to acquisition restructuring). IPO in 2021. ## Competitive Advantages - **Open SaaS ecosystem**: Largest restaurant commerce platform with deep integrations across POS, delivery, payments, and marketing – creating a strong network effect. - **Scale and reliability**: Proven at handling high order volumes for major brands across tens of thousands of locations. - **Unified guest data**: Enables personalized experiences and loyalty across all channels, giving restaurants a single source of truth. ## Strategic Focus - **Growth through platform expansion** and deepening integrations with existing partners. - **Catering** and **payments** as high-margin growth verticals. - **Operational efficiency** for restaurant clients: reducing complexity, eliminating multiple tablets, and streamlining workflows. - After the Thoma Bravo acquisition, likely focusing on long-term value creation and product consolidation. ## Why Work Here - **Culture**: “Our employees and the culture we have created are the backbone of our success.” Emphasis on inclusive, flexible work. - **Remote/Hybrid**: 75% of team works remotely across the U.S.; roles also available in Belfast, UK, and NYC. “Flex work policy + remote office stipend.” - **Perks**: 20 days PTO, 10 sick days, 4 mental health days, quarterly mental health days, bimonthly half-day summer Fridays, volunteer time off, company holiday break, health/dental/vision for family, 401(k) match, potential company equity, 12-week parental leave. - **Learning**: Annual development stipend, mentorship program, GROW leadership development program, 20,000+ on-demand training courses. - **Engineering**: Roles include Fullstack, Senior Software Engineer, Security Engineer, Engineering Manager. Hiring process may use AI tools for resume screening. ## Sources 1. [olo.com/about-us](https://www.olo.com/about-us) 2. [olo.com/people-culture](https://www.olo.com/people-culture) 3. [olo.com](https://www.olo.com/) 4. [linkedin.com/company/olo](https://www.linkedin.com/company/olo) 5. [jobs.lever.co/olo](https://jobs.lever.co/olo) ## Other roles at Olo - [Fullstack Software Engineer - Catering](https://feeny.ai/job/fullstack-software-engineer-catering-olo-belfast-northern-a2jv3n5cx4cg) — Belfast Northern, Ireland - [Software Engineer - Core](https://feeny.ai/job/software-engineer-core-olo-belfast-northern-rjcv0jzzqs3c) — Belfast Northern, Ireland - [Senior Software Engineer - Merchant Solutions](https://feeny.ai/job/senior-software-engineer-merchant-solutions-olo-belfast-northern-75bgxpzbwyjt) — Belfast Northern, Ireland - [Senior Security Engineer - Blue Team](https://feeny.ai/job/senior-security-engineer-blue-team-olo-united-kingdom-z9e4aqzx3kmc) — United Kingdom - [Software Engineer II - In-Store](https://feeny.ai/job/software-engineer-ii-in-store-olo-belfast-northern-adgakmv5rgb6) — Belfast Northern, Ireland - [Staff Security Engineer (Blue Team)](https://feeny.ai/job/staff-security-engineer-blue-team-olo-new-york-4y8mk27m6y79) — New York, NY