Weekend Site Reliability Engineer

What you’ll be doing

• • Work with a team of DevOps and DBA professionals; covering Saturday, Sunday and Monday (5 days in total with flexibility in your days off) as a Weekend SRE

• • Improve existing infrastructure and processes across the countries we’re deployed in, as well as streamlining processes to deploy to new countries in the future

• • Continuously improve Kubernetes platform stability and efficiency, with a focus on optimising resource utilisation, reducing costs, and streamlining environment provisioning through GitOps-first practices

• • Monitor and maintain cloud infrastructure through autoscaling, alerting pipelines, and Grafana dashboards covering metrics, logs, traces, and real user monitoring (RUM)

• • Own weekend on-call operations, triaging and responding to production incidents, performing root cause analysis, and driving post-incident reviews

• • Design and manage alert pipelines to ensure actionable signal quality, with attention to preventing alert fatigue, waterfall alerting, and notification flooding

• • Define and maintain SLIs and SLOs for critical services, and use them to drive reliability improvements and on-call prioritisation

• • Take ownership and responsibility for our cloud operation activities

• • Liaise with external security agencies for annual audits as well as perform our own internal security sweeps

• • Aid in reconfiguring existing architecture to allow for rapid deployments to new countries

• • Mentoring less experienced team members

What you’ll bring

• • 3+ years DevOps / platform engineering experience

• • Must be based in Europe or Asia or LatAM

• • Experience independently leading the planning and deployment of a project

• • Experienced with cloud platforms, especially AWS, including solid knowledge of how to utilise cloud resources to fulfil the demand from other teams and production

• • Strong understanding of Kubernetes and container orchestration, with experience in EKS and GitOps tooling such as ArgoCD and Helm being highly valued

• • Experience with Infrastructure-as-Code, particularly Terraform

• • Proficiency in scripting and automation with Bash, Python, or Golang; experience with Rust is a plus

• • Hands-on experience with observability stacks covering metrics, logs, distributed traces, and profiling, for example Prometheus, Loki, Tempo, Pyroscope, and OpenTelemetry

• • Experience with real user monitoring (RUM), with familiarity in Grafana Faro or OpenTelemetry SDK instrumentation being a plus

• • Proven on-call and incident response experience, comfortable triaging production issues under pressure, leading post-mortems, and driving follow-up actions

• • Ability to design and maintain alert frameworks that minimise noise, prevent alert fatigue, and avoid waterfall alerting patterns

• • Experience defining SLIs and SLOs and using them to inform reliability work

• • Familiarity with service mesh concepts is a plus, as we are actively evaluating Cilium-based service mesh in non-production environments

• • Solid networking knowledge, especially the TCP / IP stack and HTTP protocol

• • Experience handling high HTTP request volumes and designing systems for high availability and high traffic environments

• • A strong understanding of cache, including CDN, HTTP cache, Redis / Memcached

• • Excellent troubleshooting skills, including Linux OS issue diagnosis and OS parameter optimisation, JVM optimisation would be highly advantageous

• Our stack

• • Languages: Java / Spring Boot, Node.js, Python, JavaScript

• • Database: Aurora MySQL & PostgreSQL, MongoDB, MySQL Community

• • Cache: ElastiCache, Redis, Valkey

• • Messaging: Apache RocketMQ, AutoMQ, Kafka

• • Networking & Proxy: Nginx, Kong, Cilium, eBPF

• • Orchestration & GitOps: Docker, Kubernetes (EKS), ArgoCD, Helm

• • Computing & Storage: AWS EC2, VPC, AWS Lambda, EBS, S3

• • CI/CD: Jenkins, GitHub Actions

• • Metrics: Prometheus, Mimir, Grafana, Alertmanager

• • Logs: Loki, Vector

• • Traces: Tempo, OpenTelemetry, Alloy

• • Profiling: Pyroscope

• • RUM: Grafana Faro, OpenTelemetry SDK

• • Infrastructure as Code: Terraform

• • CDN & Edge: Cloudflare, AWS CloudFront

• • AWS CloudWatch

• What’s in it for you

• • Sporty is a remote first company in pursuit of sustainability

• • A competitive salary + individual performance based bonuses every quarter

• • 28 days paid annual leave

• • Our core working hours are 10am-3pm in your local time zone with flexibility outside of this

• • Referral bonuses & flash bonuses

• • Top of the line equipment

• • Annual company retreats to provide great internal networking opportunities

• Interview process

• • Remote video screening with our Talent Acquisition Team

• • Online assessment via Hackerrank

• • Remote video interview with 3 x Team Members (45 mins each, not separate days)

• If you're interested, we encourage you to apply! Every application is reviewed by a member of our team (AI is not used in our recruitment process), and we aim to respond within 48 hours.

• #LI-remote