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Senior Site Reliability Engineer

Sezzle

All India, Delhi 6 to 10 Yrs 1 month ago

Job Description

As a Senior Site Reliability Engineer at Sezzle, you will have the opportunity to play a crucial role in a dynamic, fast-paced environment within a rapidly growing team. Your main responsibility will be to identify and resolve issues in the infrastructure, deployments, operational workload, and overall systems. To excel in this role, you must bring a wealth of experience to the table and leverage AI tooling to drive scalability within the organization.

**Key Responsibilities:**

  • Architect, upgrade, design, and build scalable infrastructure solutions using technologies such as Kubernetes, AWS, and RDS (MySQL/Postgres).
  • Drive the infrastructure team's roadmap to enhance reliability, recoverability, and scalability.
  • Conduct capacity planning, benchmarking, and collaborate with the team to prepare for further business growth.
  • Define, maintain, and enforce SLAs and alerts across the infrastructure.
  • Lead efforts towards better anomaly detection and alerting, as well as AI enablement to improve infrastructure reliability and developer productivity.
  • Establish engineering best practices for observability, security, and CI/CD across teams.
  • Mentor engineers and foster a culture of learning, innovation, and operational excellence.
  • Collaborate cross-functionally to translate business goals into technical roadmaps and deliver impactful results.

**Qualifications Required:**

  • 6+ years of professional software and infrastructure engineering experience, with a focus on SRE and backend.
  • Strong proficiency in Golang and experience in building RESTful APIs.
  • Expertise in SQL-based RDBMS (MySQL, PostgreSQL) and optimizing schema and queries for performance at scale.
  • Proficiency in observability tools such as Prometheus, Grafana, Datadog, and New Relic.
  • Solid understanding of distributed systems design patterns and event-driven architecture.
  • Ability to bring forth new ideas, influence decisions, and lead technical initiatives.
  • Bachelor's degree in Computer Science or equivalent practical experience.

**Preferred Knowledge and Skills:**

  • Experience with AWS cloud infrastructure, specifically AWS Aurora RDS (MySQL and Postgres).
  • Knowledge of data engineering, data pipelines, and data warehousing.
  • Familiarity with CI/CD pipelines and deploying containerized microservices in Kubernetes.
  • Track record of shipping commercial APIs and data-driven applications in high-growth environments.
  • Demonstrated leadership in improving system reliability and scaling high-traffic services.

Sezzle's Technology Stack includes languages such as Golang, Typescript, and Python for frontend, backend, and database operations. The company utilizes AWS, Kubernetes, Gitlab for DevOps, and CI/CD processes. Testing is focused on automated end-to-end, integration, and unit tests. Sezzle emphasizes the use of open source technologies and encourages innovation within the team.

Working at Sezzle offers a unique opportunity to be part of a diverse team of individuals who are not only talented professionals but also passionate about various hobbies and interests. The company culture is driven by purpose and individuality, rather than traditional startup perks. Sezzle values high standards, innovation, action, trust, and results, making it an exciting and rewarding place to work. As a Senior Site Reliability Engineer at Sezzle, you will have the opportunity to play a crucial role in a dynamic, fast-paced environment within a rapidly growing team. Your main responsibility will be to identify and resolve issues in the infrastructure, deployments, operational workload, and overall systems. To excel in this role, you must bring a wealth of experience to the table and leverage AI tooling to drive scalability within the organization.

**Key Responsibilities:**

  • Architect, upgrade, design, and build scalable infrastructure solutions using technologies such as Kubernetes, AWS, and RDS (MySQL/Postgres).
  • Drive the infrastructure team's roadmap to enhance reliability, recoverability, and scalability.
  • Conduct capacity planning, benchmarking, and collaborate with the team to prepare for further business growth.
  • Define, maintain, and enforce SLAs and alerts across the infrastructure.
  • Lead efforts towards better anomaly detection and alerting, as well as AI enablement to improve infrastructure reliability and developer productivity.
  • Establish engineering best practices for observability, security, and CI/CD across teams.
  • Mentor engineers and foster a culture of learning, innovation, and operational excellence.
  • Collaborate cross-functionally to translate business goals into technical roadmaps and deliver impactful results.

**Qualifications Required:**

  • 6+ years of professional software and infrastructure engineering experience, with a focus on SRE and backend.
  • Strong proficiency in Golang and experience in building RESTful APIs.
  • Expertise in SQL-based RDBMS (MySQL, PostgreSQL) and optimizing schema and queries for performa

Posted on: April 8, 2026