infrastructure
Posted 3 hours agoSenior Site Reliability Engineer
at Sezzle
Bogota, ColombiaOn-site
Responsibilities
- Architect, upgrade, design, and build scalable infrastructure solutions leveraging Kubernetes , AWS , RDS (MySQL/Postgres) , and modern distributed patterns.
- 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.
- 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.
- Track record of shipping commercial APIs and data-driven applications in high-growth environments.
Requirements
- As a Senior SRE with Sezzle, you will have a high degree of autonomy and authority to identify and resolve problems you see in our infrastructure, deployments, operational workload, and overall systems.
- experience to play, and with AI tooling, you should be a force for scaling in the organization. What You'll Do:
- Help Lead Sezzle’s AI enablement efforts , identifying opportunities to apply AI and automation to enhance infrastructure reliability, developer productivity, and internal tooling.
- Strong proficiency in Golang , with
- Expertise with SQL-based RDBMS (MySQL, PostgreSQL) and
- 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.
- Experience with AWS cloud infrastructure , mainly AWS Aurora RDS, both MySQL and Postgres. •
- Experience with data engineering, data pipelines and data warehousing. •
- Experience with CI/CD pipelines and deploying containerized microservices in Kubernetes.
- Familiarity with AI developer tooling like Claude Code, Gemini CLI, Codex, Cursor and using it to be a more productive engineer.
- Languages: Golang, Typescript, Python
- Frontend: Typescript - React and React Native Backend: Golang
- Database: MySQL, Postgres, Elasticsearch
- DevOps & Cloud: AWS, Kubernetes
- Version Control: Git CI/CD: Gitlab
Experience
- 12+ years of professional software engineering or infrastructure engineering experience, including significant SRE and backend experience.
Benefits
- The salary range for this role is negotiable, the range being $7000 - $12000 per month (Gross in USD) About Sezzle:
- experience for consumers and merchants alike, come join us at Sezzle and help create the future of shopping! Compensation :
- For this senior development role, with 12+ years of experience, the compensation range is $7000 - $12000 USD per month.
- This range acknowledges the extensive expertise, leadership capabilities, and significant contributions expected at this level, offering a competitive salary to reflect the value of advanced skills and experience.
- You earn trust - you listen attentively, speak candidly, and treat others respectfully.
- Our culture is not defined by a certain set of perks designed to give the illusion of the traditional startup culture, but rather, it is the visible example living in every employee that we hire.
Additional details
- With a mission to financially empower the next generation, Sezzle is revolutionizing the shopping
- experience beyond payments, blending cutting-edge tech with seamless, interest-free installment plans that make shopping smarter and more accessible.
- We’re not just transforming payments; we’re redefining how people discover, interact with, and purchase the things they love while driving real impact on merchant sales through increased conversions and higher order values.
- As we continue to shape the future of fintech and retail, we’re building an innovative, dynamic team passionate about creating more than just a transaction but a truly unique shopping journey.
- If you’re excited about pushing boundaries in tech and delivering a game-changing
- This role presents an exciting opportunity to thrive in a dynamic, fast-paced environment within a rapidly growing team, with abundant prospects for career advancement.
- You should consider yourself a DOer to be a good fit for this role. We expect you to bring a deep well of
- Help drive the infrastructure team’s roadmap, leading us to higher levels of reliability, recoverability, and scalability.
- Deployed significant changes to a production application or infrastructure configuration in the past 30 days.
- experience optimizing schema and queries for performance at scale.