Canada onlyHappyCo is a company where people can grow their careers and work with like minded people, with no egos or politics. HappyCo is values driven and offers a flexible, supportive culture. Join HappyCo and Make Work Happy!
The Position
HappyCo is hiring a Senior Engineer, Platform to help scale the foundational systems that power our products and integrations. This role focuses on improving the reliability, performance, and extensibility of the platform while accelerating delivery of roadmap-critical initiatives.
The position plays a key role in three strategic initiatives:
Expand our Property Graph to unlock new product capabilities
Integration reliability and customer visibility to support mid-market adoption and retention
Plugin and API enablement to accelerate ecosystem expansion
This engineer will operate as a hands-on senior individual contributor, owning delivery across platform components including integrations, APIs, and extensibility surfaces. The role requires strong technical judgment, cross-team collaboration, and a focus on measurable production outcomes.
What you'll do (day to day)
Platform Architecture & Development
Design, implement, and maintain scalable platform services and APIs
Lead delivery of roadmap-critical platform capabilities including Property Graph and integration surfaces
Evaluate architectural tradeoffs to ensure reliability, scalability, and extensibility
Integration & Ecosystem Enablement
Build and improve APIs and plugin frameworks enabling partner integrations
Ensure integrations operate reliably across customer environments
Improve visibility and monitoring across integration workflows
Reliability, Observability & Performance
Improve platform reliability, observability, and application performance
Use production telemetry and monitoring data to diagnose and resolve performance issues
Reduce operational overhead and improve system resilience
Cross-Team Collaboration
Work closely with Product Engineering leads and stakeholders to deliver platform capabilities
Support cross-team execution for growth and retention initiatives
Collaborate with product leadership and engineering stakeholders
Production Ownership
Participate in incident response and root-cause analysis
Implement preventative improvements based on operational learnings
Ensure safe rollouts and strong production outcomes
What were looking for
Required Qualifications
6+ years of professional software engineering experience
Technologies Used: Golang, Ruby on Rails & Rust
Strong experience building platform services, APIs, or infrastructure systems
Experience improving system reliability, observability, and performance
Demonstrated experience working on distributed systems or complex backend platforms
Ability to own problems from design through production outcomes
Strong collaboration skills working across engineering and product teams
Preferred Qualifications
Experience designing graph-based data models or complex domain modeling
Experience building developer platforms, plugin frameworks, or extensibility systems
Background working with integration-heavy SaaS platforms
Experience improving operability and observability of production systems
Familiarity with cloud-native architecture and distributed systems
How we measure success
First 90 Days
Contribute to at least one roadmap-critical platform milestone
Participate in incident response with documented prevention improvements
Deliver one measurable application performance improvement
Longer-Term Success
Platform roadmap milestones land with lower execution risk
Fewer reliability regressions across key integration and API paths
Faster cross-team delivery of growth and retention initiatives
Clear improvements in system performance, observability, and reliability
Keys to optimum happiness at HappyCo
Thrives in ambiguity and proactively builds clarity
Focuses on long-term impact over quick wins
Enables others through systems, not mandates
Leverages technology and AI to empower people and simplify complexity
Embraces the challenges and rewards of growing in a scaleup environment
Timeline Expectations
First 30 days:
Learn the current platform architecture, core service boundaries, and deployment/runtime model
Build context on high-impact integration pathways, API surfaces, and reliability pain points
Get productive with our observability patterns and incident workflow
First 60 days:
Own and ship at least one scoped improvement to an API or integration surface with measurable impact on reliability, throughput, or operability
Improve instrumentation and alerting for an existing platform workflow
First 90 days:
Contribute to at least one roadmap-critical platform milestone
Participate in at least one incident with documented prevention follow-through
Deliver one measurable application performance improvement
Lead a meaningful cross-team implementation slice in platform scope and ship iteratively
First 12 months:
Platform milestones land with lower execution risk; fewer reliability regressions on key integration and API paths
Faster cross-team delivery of growth and retention priorities
Clear improvements in system performance, observability, and reliability
Raised bar on operational quality through documentation, standards, and collaborative execution
About HappyCo
Founded in 2011, HappyCo (happy.co) builds mobile and cloud solutions to enable real-time property data. Our flagship product suite 'Happy Property’ has more than 5 million units on its platform.
We’re everyday people with a shared purpose — improving the lives of others. Our team is made up of thinkers, talkers, planners, makers, builders and everything in between. Together, we’re turning our passions into happier communities!
When customers use our software, their communities get stronger. Our tools empower everyone in multifamily property management to improve their operations and maximize returns, which means they’re building better experiences for their residents. Learn more about our Product Visionhere!
Our HappyCo Culture & Values
HappyCo strives to build better communities. So naturally, we are dedicated to making our own community an enjoyable place that lets us do our best work. We’re devoted to building an inclusive, supportive culture that empowers each HappyCo’er to succeed and grow. To learn more about our culture, check out our Glassdoor page and our careers page!
HappyCo’s culture is driven by our core values of Make Happiness, Better Together, Get Good Sh*t Done, Customer Obsessed and Kaizen - sounds great, right, but what does this mean for you?
We believe in supporting people to do their best work and thrive, and building a diverse, equitable, and inclusive company is core to our mission. Our goal is to ensure that HappyCo upholds an inclusive environment where all people feel that they are equally respected and valued, whether they are applying for an open position or working at the company. We welcome applicants of any educational background, gender identity and expression, sexual orientation, religion, ethnicity, age, citizenship, socioeconomic status, disability, and veteran status. HappyCo is also committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures.
A note to Recruitment Agencies: Please don’t reach out to us about our roles -- we’ve got it covered. We don’t accept unsolicited agency resumes and HappyCo is not responsible for any fees related to unsolicited resumes
United States
AU, BR + 6 more
BR, CA + 5 more