Senior Software Engineer - Pay Web

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, and guest engagement solutions enable hospitality at scale, helping brands to do more with less, and making 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

We are looking for an experienced Senior Software Engineer to join our Payments Web Team and help drive innovation in our payment solutions. We are looking for an engineer who is passionate about creating seamless, user-friendly interfaces and front-end capabilities that empower restaurants to manage their payment operations efficiently. This role leans more heavily towards Front-End development but you can expect to work end-to-end across the full tech stack at times.

Reporting to the Engineering Manager, you will play a crucial role in developing and enhancing our payment product, Olo Pay. Engineers in this role will write code adhering to established standards, participate in code reviews and sprint ceremonies with the expectation to focus on quality, collaboration, and learning.

How You'll Make an Impact

• Demonstrate proficiency in the team's domain and technology stack, providing guidance and mentorship to junior engineers and contributing to technical decision-making.

• Proactively address technical debt by prioritising its resolution alongside feature development, ensuring maintainable, scalable, and high-quality codebases through regular refactoring and system improvements.

• Take ownership of complex features and projects, working independently and collaborating with team members to drive development from concept to delivery.

• 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.

• Focus on delivering reliable, maintainable software solutions and actively implements performance optimisations 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.

• Take the initiative to improve the team's development processes and tooling, advocating for best practices and automation improvements.

• Ensure 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.

• Use Claude Code 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.

• Demonstrate ownership of the team's delivery pipeline, ensuring that code quality, testing standards, and deployment practices are continuously optimised.

• 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 a related field, or equivalent practical experience.

• 5+ years of experience in software engineering.

• Advanced Programming Skills: Proficient in TypeScript and React and capable of independently designing and implementing complex algorithms and architectures. Additional experience in .NET/C# is beneficial.

• CI/CD Mastery: Skilled in managing and improving CI/CD processes, with hands-on experience using tools like GitHub Actions, TeamCity, and Octopus Deploy.

• Testing and Automation: Expert in unit, integration, and end-to-end testing practices, with a strong emphasis on automation for testing and deployment.

• Distributed Systems and Cloud Services: Strong knowledge of building and maintaining distributed systems, leveraging cloud platforms and services (e.g., AWS, MongoDB Atlas, Kubernetes/EKS).

• Technical Leadership and Collaboration: Demonstrate leadership skills by mentoring peers, leading technical discussions, and collaborating effectively across teams and departments to deliver solutions aligned with business priorities.