Senior Engineer (C# backend development)

OpenTable; City of Melbourne; On-site; AUD 140,000 - 180,000; Full time

Benefits offered by this job

Work from almost anywhere up to 20? d

Mental health & wellbeing programs

Headspace subscription

Annual week off

Paid parental leave

Generous vacation

On-demand e-learnings

Travel discounts

Lunch twice a week

Job summary

OpenTable in Melbourne is seeking a Senior Backend Engineer to join the Private Dining Team. You will architect, implement, and scale C#/.NET Core services and RESTful APIs for the global Private Dining platform, collaborating with engineers and product teams across offices.

The role emphasizes TDD, SOLID, and CI/CD, with a focus on reliability, performance, and mentoring junior team members in a multinational setting.

Qualifications

• 5+ years of software engineering experience with C# and .NET Core.
• Proven experience building and scaling high-volume RESTful APIs and distributed, event-driven microservices.
• Demonstrated proficiency in object-oriented design, design patterns, data structures, and core software design principles (e.g., SOLID, TDD, Dependency Injection).
• Hands-on experience with relational or NoSQL database technologies (e.g., PostgreSQL, MongoDB, or Cassandra) and containerization tools (e.g., Docker, Kubernetes).
• Experience leading technical planning and driving features through full-lifecycle CI/CD pipelines into production.

Responsibilities

• Architect, build, and maintain scalable C# .NET backend services and RESTful APIs for OpenTable’s global Private Dining platform.
• Drive end-to-end project execution from initial technical planning and architectural design through to production deployment.
• Collaborate with cross-functional software engineers, product managers, and designers across international offices to deliver impactful enterprise features.
• Champion engineering excellence and continuous integration by applying Test-Driven Development (TDD), SOLID principles, and clean code practices.
• Troubleshoot, debug, and optimize distributed microservices to ensure system reliability, performance, and rapid incident response.
• Mentor team members, share technical knowledge, and foster an inclusive, highly collaborative learning environment.

Skills

C# & .NET Core

RESTful APIs

Distributed microservices

TDD

SOLID

Dependency Injection

CI/CD

Docker

Kubernetes

OO design

Tools

Docker

Kubernetes

PostgreSQL

MongoDB

Cassandra

Job description

Melbourne, Australia

Role: Full time permanent

Location: Melbourne in-office, hybrid 2x/week in office position.

About OpenTable

With millions of diners, 60,000+ restaurant partners and 25+ years of experience, OpenTable, part of Booking Holdings, Inc. (NASDAQ: BKNG), is an industry leader with a passion for helping restaurants thrive. Our world-class technology empowers restaurants to focus on what matters most – their team, their guests, and their bottom line – while enabling diners to discover and book the perfect restaurant for every occasion.

Every employee at OpenTable has a tangible impact on what we do and how we do it. You’ll also be part of a global team and its portfolio of metasearch brands. Hospitality is all about taking care of others, and it defines our culture.

About the Role

You’ll be joining the growing Private Dining Team in Australia and help elevate OpenTable’s newest line of business. The team is building the next generation event management for our top restaurant groups. We're deeply involved from concept, prototyping, implementation, delivery, to customer validation. We believe in empowering individuals to do phenomenal work.

Responsibilities

• Architect, build, and maintain scalable C# .NET backend services and RESTful APIs for OpenTable’s global Private Dining platform.
• Drive end-to-end project execution from initial technical planning and architectural design through to production deployment.
• Collaborate with cross-functional software engineers, product managers, and designers across international offices to deliver impactful enterprise features.
• Champion engineering excellence and continuous integration by applying Test-Driven Development (TDD), SOLID principles, and clean code practices.
• Troubleshoot, debug, and optimize distributed microservices to ensure system reliability, performance, and rapid incident response.
• Mentor team members, share technical knowledge, and foster an inclusive, highly collaborative learning environment.

Minimum Qualifications

• 5+ years of software engineering experience with C# and .NET Core.
• Proven experience building and scaling high-volume RESTful APIs and distributed, event-driven microservices.
• Demonstrated proficiency in object-oriented design, design patterns, data structures, and core software design principles (e.g., SOLID, TDD, Dependency Injection).
• Hands-on experience with relational or NoSQL database technologies (e.g., PostgreSQL, MongoDB, or Cassandra) and containerization tools (e.g., Docker, Kubernetes).
• Experience leading technical planning and driving features through full-lifecycle CI/CD pipelines into production.

Preferred Qualifications

• Familiarity with Java backend technologies or full-stack software development.
• Experience with AI Spec-Driven Development
• Experience with Python, or big data processing frameworks (e.g., Databricks, Apache Spark, Apache Airflow).
• Experience monitoring system performance, triaging operational incidents, and utilizing telemetry or log management tools.
• Background collaborating across international time zones with distributed engineering and product teams.
• Experience with continuous integration tools such as TeamCity or modern cloud delivery pipelines.

Benefits and Perks:

• Work from (almost) anywhere for up to 20 days per year
• Focus on mental health and well-being:
• Company-paid therapy sessions through SpringHealth
• Company-paid subscription to Headspace
• Annual company-wide week off a year - the whole team fully recharges (and returns without a pile-up of work!)
• Paid parental leave
• Generous paid vacation + time off for your birthday
• Focus on your career growth:
• Access to thousands of on-demand e-learnings
• Travel Discounts
• Employee Resource Groups
• Annual health and wellness reimbursement
• Monthly social events
• Free lunch 2 days per week

At OpenTable, we pride ourselves on fostering a global and dynamic work environment. As a team member with us, you will benefit from a schedule tailored to accommodate a global workforce operating across multiple time zones. While the majority of your responsibilities may align with conventional business hours, there will be instances where you are expected to manage communications - via calls, Slack messages, or emails - outside of regular working hours to effectively collaborate with international colleagues, respond to restaurant partners, and/or address urgent matters. OpenTable will always abide by and consider local laws and regulations.

Inclusion

We’re committed to creating a workplace where everyone feels they belong and can thrive. We know the best ideas come when we bring different voices to the table, so we're building a team as dynamic as the diners and restaurants we serve—and fostering a culture where everyone feels welcome to be themselves.

If you need accommodations during the application or interview process, or on the job, we’re here to support you. Please reach out to your recruiter to request any accommodations.