Senior Site Reliability Engineer

🕒 July 23

🇧🇷 Brazil – Remote

💵 $7k - $12k / month

⏰ Full Time

🟠 Senior

⛑ DevOps & Site Reliability Engineer (SRE)

👻 Ghost score 23%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Sezzle

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2016

💳 Fintech

👥 B2C

🛍️ eCommerce

Fintech • B2C • eCommerce

Sezzle is a financial technology company that offers a "buy now, pay later" service, allowing consumers to purchase products and pay for them in four interest-free installments over six weeks. The Sezzle app provides users with a flexible financing alternative to traditional credit cards, enabling instant approval decisions without impacting credit scores. Sezzle partners with various top brands, including Amazon, Walmart, and Target, to offer in-app and in-store payment options. The company's mission is to empower consumers financially by providing more financial freedom and control. It is available as a mobile app, with millions of downloads and high user ratings, and works towards accessibility and inclusion on its platform.

📋 Description

• Architect, upgrade, design, and build scalable infrastructure solutions leveraging Kubernetes, AWS, RDS (MySQL/Postgres), and modern distributed patterns. • Help drive the infrastructure team’s roadmap, leading us to higher levels of reliability, recoverability, and scalability. • Drive capacity planning, benchmarking, and work with the team to stress test our systems, find bottlenecks, and prepare for further growth in the business. • Define, maintain and enforce SLAs and alerts across our infrastructure. • Lead the teams towards stronger signal anomaly detection, better, more flexible alerting. • Help Lead Sezzle’s AI enablement efforts, identifying opportunities to apply AI and automation to enhance infrastructure reliability, developer productivity, and internal tooling. • Build in consistency and scalability across a distributed microservices architecture while maintaining performance and reliability. • Establish and evolve engineering best practices for observability, security, and CI/CD across teams. • Mentor engineers and champion a culture of learning, innovation, and operational excellence. • Collaborate cross-functionally to translate business goals into technical roadmaps and deliver results that matter.

🎯 Requirements

• 12+ years of professional software engineering or infrastructure engineering experience, including significant SRE and backend experience. • Deployed significant changes to a production application or infrastructure configuration in the past 30 days. • Strong proficiency in Golang, with experience building and maintaining RESTful APIs. • Expertise with SQL-based RDBMS (MySQL, PostgreSQL) and experience optimizing schema and queries for performance at scale. • Proficiency in observability tools (Prometheus, Grafana, Datadog, New Relic). • Solid understanding of distributed systems design patterns (e.g., transactional outbox, event-driven architecture and stream processing, queues). • Demonstrated ability to bring new ideas forward, influence decisions, and lead complex technical initiatives. • Bachelor’s degree in Computer Science or equivalent practical experience.