Senior Full-Stack Software Engineer

We're looking for a Senior Full-Stack Engineer to help build our marketing and customer engagement platform. In this role, you'll design and develop data-driven, customer-facing features and backend services that power real-time personalization, campaign delivery, and transaction support. Our stack is Ruby on Rails on the backend and Vue.js on the frontend — and we value engineers who lead with strong product instincts, deep technical judgment, and a pragmatic mindset. This is a great opportunity for an experienced engineer who enjoys owning features end-to-end, collaborating closely with cross-functional partners, and mentoring less-experienced teammates, with room to grow into broader technical leadership. We believe the best engineers today are fluent in AI — comfortable using AI-assisted development tools and thoughtful about how AI capabilities can be woven into product features and platform experiences. This is a hybrid role based out of our Broomfield, Colorado office. Responsibilities Full-Stack Development: Design and build robust, secure, and scalable systems across our Ruby on Rails and Vue.js stack, with ownership from API design and data modeling through to rich front-end experiencesTechnical Contribution: Contribute to architecture and design discussions for key platform initiatives, and help establish and follow sound engineering patternsMentorship: Support the growth of junior and mid-level engineers through code reviews, design feedback, and pairingPerformance & Quality: Identify and drive improvements to backend and frontend performance, and help raise the bar for code quality, testing, security, and observabilityCross-Functional Collaboration: Partner with Product, Design, and Customer Success to translate business problems into sound technical solutions that deliver measurable outcomesAI-Augmented Development: Leverage AI-assisted tooling to accelerate delivery, and contribute ideas on where AI capabilities can add genuine value to the productAgile Delivery: Work effectively in an iterative, fast-paced environment — shipping frequently and adapting quicklyIncident Response: Participate in resolving production incidents and contribute to post-incident reviews that prevent recurrence Requirements 5+ years of professional software engineering experience, with meaningful full-stack scopeSolid experience with Ruby on Rails, including ActiveRecord, background job processing, API design, and service-oriented patternsStrong Javascript proficiency, including SPA architecture, component design, state management, and front-end performanceTrack record of owning and delivering complex features or projects end-to-endStrong RESTful API design experience, including versioning, authentication, and third-party integrationsSolid database fundamentals, particularly MySQL or similar relational databases, including schema design and query optimizationAbility to participate in technical discussions and contribute to architectural decisionsExperience mentoring junior or mid-level engineers and contributing to a culture of technical excellenceFamiliarity with marketing or customer engagement platforms — campaign management, personalization engines, A/B testing, or equivalent — is a plusGood communication skills: able to explain technical concepts clearly to both technical and non-technical audiencesExperience with agile development methodologies and working within cross-functional product teamsFamiliarity with AI-assisted development tools (e.g., GitHub Copilot, Cursor, Claude Code) and interest in evaluating where AI/ML capabilities can be integrated into product features Bonus Points For Experience with Go (Golang), Vue.js, and/or Node.jsExperience integrating LLM APIs (e.g., Anthropic, OpenAI) or building AI-powered product featuresFamiliarity with AI/ML concepts such as embeddings, vector search, retrieval-augmented generation (RAG), or fine-tuningAWS experience, including deploying and scaling cloud-based applicationsHands-on experience with OpenSearch for search or analyticsUse of Redis for caching, session management, or background jobsExposure to Kafka or similar messaging systems in high-throughput environmentsFamiliarity with Docker for local development or production deploymentExperience with CI/CD pipelines and deployment workflowsExposure to GDPR, CCPA, or similar data privacy regulationsBackground in B2B SaaS products or high-volume transaction systems Benefits As a full-time employee, we offer competitive benefits programs and perks designed to fit your needs and the needs of your family. Recurly is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to gender, age, race, religion, or any other classification which is protected by applicable law. Recurly is committed to providing reasonable accommodations for candidates with disabilities in our recruiting process. If you need any assistance or accommodations due to a disability, please let us know at talent@recurly.com