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Principal Software Engineer

7 hours, 12 minutes ago
Mexico
Full-time
Lead
Software Engineer
Software Development
AWS CI/CD Datadog Docker Elasticsearch Git GitLab Go Grafana Hugging Face Kubernetes Microservices MySQL New Relic PostgreSQL Prometheus React React Native REST API SQL TypeScript
Apply Now
Sezzle

Sezzle

Sezzle is a payments company revolutionizing the buy now, pay later experience with interest-free installment plans, empowering consumers and merchants alike.

Diversified Financial Services
251-1K
Founded 2016
View All Jobs 147

Description

  • Architect, design, and build scalable backend services and APIs in Golang.
  • Lead Sezzle’s AI enablement efforts to improve developer productivity, internal tooling, and customer experiences.
  • Partner with Product, Support, business stakeholders, and engineering teams to deliver technical solutions.
  • Drive consistency, scalability, performance, and reliability across a distributed microservices architecture.
  • Establish and evolve engineering best practices for observability, security, and CI/CD.
  • Mentor engineers and help raise the technical capability of the team.
  • Translate business goals into technical roadmaps and deliver impactful results.
  • Design, develop, and deliver new features and lower-level optimizations.
  • Use AI/ML tooling to identify creative applications for existing and emerging product gaps.

Requirements

  • 12+ years of professional software engineering experience, including significant backend experience.
  • Deployed significant changes to a production application within the past 30 days.
  • Strong proficiency in Golang and experience building and maintaining RESTful APIs.
  • Experience with SQL-based RDBMSs such as MySQL and PostgreSQL, including schema and query optimization at scale.
  • Solid understanding of distributed systems design patterns such as transactional outbox, event-driven architecture, and 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.
  • Proficiency with observability tools such as Prometheus, Grafana, Datadog, or New Relic (preferred).
  • Experience with AWS cloud infrastructure, especially AWS Aurora RDS for MySQL and Postgres (preferred).
  • Experience in fintech, payments, BNPL, or consumer lending, including familiarity with compliance, credit decisioning, or transaction processing systems (preferred).
  • Experience with CI/CD pipelines and containerized microservices using Docker and Kubernetes (preferred).
  • Working knowledge of TypeScript, React, or React Native (preferred).
  • Familiarity with AI/ML tooling such as OpenAI API, LangChain, Hugging Face, or custom LLM integrations (preferred).
  • Track record of shipping commercial APIs and data-driven applications in high-growth environments (preferred).
  • Proven leadership in guiding technical direction, improving reliability, and scaling engineering organizations (preferred).

Benefits

  • Salary range of $6,000 - $12,500 per month gross in USD.
  • Remote full-time role.
  • Opportunity to work on high-impact backend and AI enablement initiatives in a rapidly growing company.
  • Career advancement opportunities within a dynamic, fast-paced team.
  • Transparent interview process with feedback at each step.

Interested in this position?

Apply directly on the company website

Apply Now

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