{"id":1911141,"url":"https://alion.io/job/welcome-pickups-senior-platform-engineer","title":"Senior Platform Engineer","company":{"id":9240,"name":"Welcome Pickups","domain":"welcomepickups.com","url":"https://alion.io/company/welcome-pickups","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":null},"role":"DevOps","role_family":"DevOps","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Athens, Greece"],"countries":["GR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":38000,"max_usd":96000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":2444},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon S3","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"CI/CD","optional":false},{"name":"CircleCI","optional":false},{"name":"Cloudflare","optional":false},{"name":"Docker","optional":false},{"name":"ElasticSearch","optional":false},{"name":"GCP","optional":false},{"name":"GDPR","optional":false},{"name":"Incident Management","optional":false},{"name":"ISO 27001","optional":false},{"name":"Jira","optional":false},{"name":"New Relic","optional":false},{"name":"PostGIS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"RabbitMQ","optional":false},{"name":"Redis","optional":false},{"name":"Ruby on Rails","optional":false},{"name":"Sidekiq","optional":false},{"name":"SOC 2","optional":false},{"name":"Twilio","optional":false},{"name":"Kubernetes","optional":true},{"name":"Ruby","optional":true}],"status":"live","first_seen_at":"2026-10-05T14:41:40Z","employer_posted_date":"2026-10-05","last_verified_at":"2026-10-09T03:09:37Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"About us\nFounded in 2015 in Athens, Greece, Welcome redefines the way people travel by going above and beyond the commoditized transfer service and being the first company to deliver a complete, personalised, in-destination travel experience. From the moment a traveler arrives at a new destination, until their return journey home, Welcome accommodates all their travel needs, including transfers, sightseeing trips, and local information, in the easiest, friendliest, and most personalised way possible. Welcome's drivers are experts in the area and share their local know-how to make travellers feel at home wherever they are. The company has also introduced contactless rides, thorough cleaning protocols, and protective equipment to make every journey safe.\nBeing a travel tech startup, Welcome continues to grow and scale its operations and is quickly becoming a global category leader for in-destination travel services.\nOne of the highest-rated global transportation companies with a rating of 4.9/5 stars.\nExpanded from 200 destinations last year to 350, achieving our ambitious 2024 growth target.\nOver 4,000 travel partners including 2,500 hotels, numerous vacation rentals, and travel agents, adding 50+ new ones every month.\nOver 2.5 million happy travellers every year.\n⭐ If you want to dive deeper into the awesomeness of Welcome's culture, clickon this linkto check our TikTok account.⭐\n\nThe Team\nWe are a group of vibrant, diverse people who love travelling and never settle on quality. Each one of us didn’t join Welcome by chance and believes deeply in what Welcome is trying to achieve, so we work relentlessly to make that happen. We challenge common logic, focus on design, put simplicity and usability first, and create memorable experiences. We keep learning and exploring better ways to serve our community and grow personally and professionally in our respective fields. We stay humble along the way, with a “pay it forward” mentality, but with big and bold goals.\nAs a Senior Platform Engineerat Welcome Pickups,you will keep the platform behind our product reliable, fast, scalable and secure, so travellers, drivers and partners can count on our services every day. Much of what we do runs in the background: matching rides to drivers, pricing, notifications, partner syncs and payouts. If the platform slows down or stops, rides don't get assigned and travellers end up waiting at arrivals. This is a hands-on role that works across all our product teams. You will make key architecture and infrastructure decisions, set the standards everyone builds to, and own the technical roadmap together with the Product Manager of the Core team. The role is about helping product teams move fast without breaking things, not slowing them down.\nWhat you'll work with\nA large Ruby on Rails application, with Sidekiq and RabbitMQ\nA large, fast-growing PostgreSQL/PostGIS database, plus Elasticsearch and Redis\nAzure as our main cloud, with AWS S3 and Google Cloud\nCloud66, Cloudflare, CircleCI and Docker\nNew Relic and Rollbar for monitoring, and Mixpanel for product analytics\n30+ external services, including Checkout.com, Twilio, Braze and hotel booking systems\nResponsibilities\nReliability & Uptime\nDefine and track reliability targets (SLAs/SLOs) for our core flows: bookings, ride matching and payments.\nSet up and run the incident process and on-call, and reduce recovery times.\nImprove monitoring and alerting across the platform (New Relic, Rollbar).\nPerformance, Scalability & Data\nLead architecture decisions for scaling our backend systems and services.\nFind and fix performance bottlenecks across the application, background jobs and database.\nImprove the performance of our large, fast-growing PostgreSQL database:\ntune slow queries and indexes\nplan data growth and archiving\nmanage replication, backups and restore drills\nchange large tables without downtime\nMake sure the platform handles peak season and partner growth smoothly.\nInfrastructure, Security & Compliance\nDefine and evolve our infrastructure strategy on Azure, and balance performance, reliability and cost.\nDefine and enforce security best practices: access control, secrets management, and the security of our build and release pipeline.\nPrepare the platform for compliance: payment-data rules (PCI), GDPR, and over time SOC 2 / ISO 27001.\nDeveloper Experience\nImprove internal tooling, CI/CD and deployment workflows so engineers can ship faster and safer.\nTechnical Roadmap & Collaboration\nKeep the backlog of technical work (upgrades, technical debt, performance, security) organised and ranked in Jira, and prioritise it together with the Product Manager.\nWrite technical docs, runbooks and development plans, and break them into Jira tickets with clear requirements.\nParticipate in team ceremonies (grooming, planning, kick-off meetings, retrospectives & demos).\nRequirements\n8+ years of software engineering experience, with strong backend and systems experience.\nBS/MS degree in Computer Science or a related subject.\nProven experience operating and scaling production systems.\nTechnical Skills\nStrong understanding of system design, distributed systems and performance trade-offs.\nStrong PostgreSQL skills on large databases: query and index tuning, replication, large-table migrations, backups.\nExperience with cloud infrastructure (Azure preferred), Docker and infrastructure-as-code.\nExperience with Redis, Elasticsearch and a message broker (RabbitMQ or similar) at production scale.\nExperience with observability, monitoring and incident management.\nStrong security fundamentals: access control, networking, secrets.\nCI/CD experience, including zero-downtime deploys.\nOrganised and a clear writer, comfortable working in Jira.\nA hands-on mindset: able to go from strategy to implementation.\nAdditional experience considered a plus\nExperience with Ruby on Rails, Sidekiq, Puma and PostGIS, or similar.\nExposure to compliance frameworks (SOC 2, ISO 27001).\nExperience with AWS or Google Cloud alongside Azure.\nExperience moving a long-running application to containers or Kubernetes.\nA travel, mobility or marketplace background with real-time operations.\nBenefits\nVibrant and fresh work environment\nFlexible work-from-home policy\nThe tools you need to perform your daily tasks successfully\nL&D personal budget\nPrivate Insurance Plan\n+4 extra PTO days annually\nThe unique opportunity to join “the next big thing” at ground 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