Senior Fullstack Engineer

September 19, 2024

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Customer.io

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Customer. io is a customer engagement platform that helps businesses create personalized journeys across multiple channels, such as email, SMS, and in-app messaging, by leveraging first-party data. The platform offers solutions for crafting and automating messages with high flexibility and customization. It includes features such as data pipelines for managing customer data, visual workflow builders for automation, and tools for analytics and A/B testing to optimize messaging campaigns. Designed to scale with businesses of all sizes, Customer. io integrates with existing tools and provides a secure, compliant environment with high uptime, making it a trusted choice for over 7,400 brands globally.

marketing • analytics • customer retention • user retention • email marketing

51 - 200 employees

Founded 2012

☁️ SaaS

💰 Series A on 2022-03

📋 Description

• We are seeking talented Senior Fullstack Engineers to join our growing engineering team! • You’ll work on challenging problems, building scalable, robust services and user interfaces that drive the future of customer engagement technology. • As our next great teammate, you'll blend your expertise across both backend and frontend systems, to directly impact the experience of a wide variety of customers, from startups to global enterprises, and help shape the features and infrastructure needed for our product to flourish. • Design and develop high-performance, scalable services in Go and user interfaces in JavaScript (React & Ember), driving critical workflows that empower businesses to engage with their customers. • Own the entire development lifecycle, from technical design through implementation and deployment, ensuring reliability, maintainability, and performance at scale. • Lead by example, mentoring your peers and contributing to a culture of shared knowledge, continuous learning, and technical excellence across the team. • Identify high-impact opportunities to improve both backend services and frontend interfaces, turning complex challenges into elegant, user-friendly solutions.

🎯 Requirements

• 7+ years of professional experience in full-stack development, with a strong portfolio showcasing complex web applications and distributed systems. • Professional experience with TypeScript combined with advanced knowledge of JavaScript, CSS, and HTML. • Experience in modern JavaScript frameworks. (Bonus if you have experience with Ember.js or React) • Proficiency in backend technologies, ideally with Go or another strongly-typed language such as Java, Kotlin, or TypeScript. • Experience designing and maintaining scalable APIs and services with relational (e.g., PostgreSQL or MySQL) or NoSQL databases. • A cloud-native mindset. Deep experience working in AWS, GCP, or Azure, or tools like Docker and Kubernetes are nice to have. • Passionate about building high-quality, testable code using unit, integration, and end-to-end testing to ensure system stability and performance. • A track record of collaborating effectively in a distributed team environment, with strong written and verbal communication skills and a commitment to mentoring others. • Problem-solving expertise, with the ability to transform complex technical challenges into simple, elegant solutions that delight users. • A DevOps approach to development, with experience in CI/CD pipelines, infrastructure automation, and monitoring production systems. • Demonstrated ability to influence product direction and contribute technical insights that help drive business value.

🏖️ Benefits

• Unlimited PTO - we encourage at least 20 vacation days (in addition to holidays and sick days) so that you can unwind, unplug, and recharge • 16 weeks paid parental leave (including adoption and foster care) • 100% paid insurance premiums for you and your dependents • 401k retirement matching - up to 5% dollar-for-dollar match to retirement contributions • $1,500 annual healthy lifestyle budget (for gym memberships, classes, fitness equipment) • $250/monthly Remote Work Stipend to be used for home internet, cell phone, and other miscellaneous remote work costs • $300/month co-working space rental reimbursement • $2,000/yearly professional education budget for conferences, courses, workshops, books, etc. • $1,500 home office budget to make sure your working space is ergonomic and just what you need to do your best work! • One month sabbatical after five years at Customer.io • We also have opportunities to meet in person with your peers throughout the year