Senior Database Reliability Engineer

🔥 12 minutes ago

🇨🇴 Colombia – Remote

💵 $5k - $9.5k / month

⏰ Full Time

🟠 Senior

⛑ DevOps & Site Reliability Engineer (SRE)

👻 Ghost score 21%

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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

• Design, build, and maintain shared database platform components, connection packages, client libraries, migration tooling, safety checks, query standards, and developer abstractions • Establish reliable and scalable database connection and interaction patterns across production, staging, and development • Partner with backend teams on connection lifecycle, transactions, retries, timeouts, pooling, query patterns, and migration workflows • Build automation and internal tooling for safer, repeatable database operations • Define and enforce standards for database access, schema design, migrations, indexing, query performance, connection management, and operational readiness • Architect and improve AWS RDS/Aurora MySQL and PostgreSQL infrastructure, RDS Proxy, replicas, backups, failover, monitoring, parameter groups, and capacity planning • Lead database reliability initiatives to reduce operational risk and improve performance • Review application designs and database changes for reliability, scalability, maintainability, and security • Build migration guardrails, automated checks, rollback expectations, schema review workflows, observability, and production safety controls • Improve developer self-service for database provisioning, access, schema management, local development, testing, and observability • Investigate production database issues using telemetry, metrics, logs, query plans, traces, and cloud infrastructure data • Resolve systemic database problems such as unsafe migrations, inefficient queries, connection storms, lock contention, replication lag, and capacity bottlenecks • Create dashboards, alerts, SLOs, SLIs, runbooks, and operational readiness checks • Improve backup validation, restore testing, disaster recovery, failover readiness, and business continuity • Partner with security and compliance teams on access controls, auditability, encryption, secrets management, least privilege, and PCI/SOC 2 controls • Mentor engineers on database design, query performance, safe migrations, operational readiness, and production debugging • Use automation and AI tooling to improve migration review, query analysis, incident investigation, documentation, and developer productivity

🎯 Requirements

• 6+ years of professional software engineering, infrastructure engineering, database engineering, SRE, or platform engineering experience • Strong software engineering ability in Go, Python, or TypeScript • Ability to build production-quality internal tools, libraries, frameworks, services, or platform components • Deep hands-on experience with relational databases, especially MySQL and/or PostgreSQL, in high-availability production environments • Strong understanding of application/database interactions, connection pooling, transactions, isolation levels, retries, timeouts, deadlocks, locking, migrations, and query execution • Experience with shared database access patterns, internal database packages, ORM wrappers, migration frameworks, or developer-facing database tooling • Hands-on experience with AWS RDS/Aurora, including provisioning, upgrades, replicas, backups, failover, monitoring, parameter tuning, and production troubleshooting • Experience with RDS Proxy, PgBouncer, ProxySQL, or application-level pooling • Ability to analyze database performance using query plans, indexes, slow query logs, wait events, locks, metrics, and application traces • Experience designing safe database migration processes for production systems • Strong understanding of database observability, including metrics, logs, traces, SLOs, alerting, and incident response • Experience with infrastructure-as-code and CI/CD systems such as Terraform, GitLab CI/CD, Kubernetes, Helm, or similar tooling • Ability to influence engineering teams through design reviews, documentation, technical standards, and implementation • Ability to operate independently and drive high-impact solutions to completion • Demonstrated experience working with Claude or equivalent large language model tools is required • Bachelor’s degree in Computer Science • Preferred: microservices platform capabilities, Golang application development, database libraries/SDKs, fintech or high-volume transactional systems, compliance-sensitive environments, database governance, operational automation, distributed systems, observability tools, Elasticsearch, and AI developer tooling

🏖️ Benefits

• Competitive salary of $5,000–$9,500 USD per month • Culture including skilled musicians, yogis, cyclists, chefs, golfers, dog-lovers, and rock-climbers • Remote work indicated by #Li-remote

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