Senior Platform Engineer — Scale, Reliability & Security

Welcome Pickups; Polska; Presencial; PLN 140.000 - 210.000; Jornada completa

Descripción de la vacante

Welcome Pickups is seeking a Senior Platform Engineer to keep our platform reliable, fast, scalable and secure so travellers, drivers and partners can rely on our services daily.

You will make key architecture and infrastructure decisions, set the standards everyone builds to, and own the technical roadmap together with the Core team's Product Manager. This hands-on role spans across product teams to accelerate growth safely.

Formación

• 8+ years of software engineering experience, with strong backend and systems experience.
• BS/MS degree in Computer Science

Responsabilidades

• Define and track reliability targets (SLAs/SLOs) for core flows (bookings, ride matching and payments).
• Set up and run the incident process and on-call, and reduce recovery times.
• Improve monitoring and alerting across the platform (New Relic, Rollbar).
• Lead architecture decisions for scaling backend systems and services.
• Find and fix performance bottlenecks across the application, background jobs and database.
• Tune slow queries and indexes, plan data growth and archiving, manage replication, backups and restore drills, change large tables without downtime.
• Define and enforce security best practices: access control, secrets management, and the security of build/release pipeline.
• Prepare the platform for compliance: PCI, GDPR, SOC 2 / ISO 27001.
• Improve internal tooling, CI/CD and deployment workflows for faster, safer shipping.
• Keep the technical backlog organized in Jira and plan with Product Manager.
• Write technical docs, runbooks and development plans, and break them into Jira tickets.

Conocimientos

8+ years of software engineering

backend systems

Educación

BS/MS in Computer Science

Herramientas

Ruby on Rails

Sidekiq

RabbitMQ

PostgreSQL

PostGIS

Elasticsearch

Redis

Azure

AWS S3

Google Cloud

Cloud66

Cloudflare

CircleCI

Docker

New Relic

Rollbar

Mixpanel

Descripción del empleo

Welcome Pickups is seeking a Senior Platform Engineer to keep our platform reliable, fast, scalable and secure so travellers, drivers and partners can rely on our services daily.

You will make key architecture and infrastructure decisions, set the standards everyone builds to, and own the technical roadmap together with the Core team's Product Manager. This hands-on role spans across product teams to accelerate growth safely.