Senior Software Engineer – Email Channel

🕒 Maio 12

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Customer.io

SiteLinkedInTodas as Vagas

51 - 200 funcionários

Fundada em 2012

☁️ SaaS

📣 Marketing

💰 Series A em 2022-03

SaaS • Marketing

Customer. io é uma plataforma de engajamento do cliente que ajuda empresas a criarem jornadas personalizadas através de múltiplos canais, como e-mail, SMS e mensagens dentro de aplicativos, aproveitando dados primários. A plataforma oferece soluções para elaborar e automatizar mensagens com alta flexibilidade e personalização. Inclui funcionalidades como pipelines de dados para gerenciar dados de clientes, construtores de fluxo de trabalho visual para automação e ferramentas para análises e testes A/B para otimizar campanhas de mensagens. Projetada para escalar com empresas de todos os tamanhos, a Customer. io integra-se com ferramentas existentes e fornece um ambiente seguro e compatível com alta disponibilidade, tornando-se uma escolha confiável para mais de 7. 400 marcas globalmente.

Descrição

• Build and evolve the frontend experiences customers use to create, preview, and analyze email campaigns — template editors, sending configuration, deliverability dashboards • Design and scale the backend systems that power high-volume email sending, including queue management, retry logic, and event processing (bounces, complaints, deferrals) • Own deliverability-adjacent systems: bounce classification, suppression management, IP/domain reputation monitoring, and feedback loop processing • Partner with our deliverability team to translate domain expertise into automated tooling — reputation scoring, warm-up schedules, sending throttles • Instrument and monitor the health of the email channel: inbox placement signals, block detection, ESP feedback, and alerting • Own problems end to end — from architecture and schema design to testing, deployment, and monitoring • Share knowledge and raise the bar through short videos, thoughtful writing, and mentorship • Use AI agents to make multi-file changes by scoping the work, writing the prompt, and verifying the output

🎯 Requisitos

• 7+ years of experience building scalable, distributed systems in Go (or similar statically typed languages) • Experience building product-facing frontend features in React or similar frameworks, with attention to UX quality and polish • Comfort working in cloud-native environments (AWS, GCP) • Familiarity with relational databases (we use MySQL primarily) and an understanding of performance tradeoffs • Familiarity with high-volume email sending concepts: bounce handling, feedback loops, and delivery event processing • Working knowledge of email authentication standards — SPF, DKIM, DMARC — and how they affect deliverability • Comfortable reasoning about sender reputation, IP warm-up, and ISP behavior at scale • Experience with observability tooling and operating production systems • Experience building or consuming APIs that handle high-throughput async workloads • A bias for action over perfection, and pride in owning technical decisions.

🏖️ Benefícios

• 100% coverage of medical, dental, vision, mental health, and supplemental insurance premiums for you and your family • 16 weeks paid parental leave • unlimited PTO • stipends for remote work and wellness • a professional development budget