Senior DevOps Engineer

Job not on LinkedIn

🕒 August 13

🇵🇱 Poland – Remote

⏰ Full Time

🟠 Senior

⛑ DevOps & Site Reliability Engineer (SRE)

👻 Ghost score 11%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Railsware

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2007

💼 Consulting

📣 Marketing

💳 Fintech

Consulting • Marketing • Fintech

Railsware is a product studio that specializes in building innovative technology products using Ruby on Rails, React, and React Native. The company supports entrepreneurs and offers services that include web and mobile development, as well as artificial intelligence and machine learning solutions. Railsware is notable for its successful products like Mailtrap, Coupler, and TitanApps, and it aims to empower businesses by providing top-notch technical partnership and resources.

📋 Description

• Own and evolve Mailtrap's production infrastructure, a multi-region AWS platform supporting high-volume email sending and testing • Keep infrastructure reliable, secure, and cost-efficient • Plan and execute a partial migration of selected workloads from AWS to rented bare-metal/colocation infrastructure • Decide which workloads move and which remain on AWS • Design the target bare-metal platform, likely using Kubernetes or a similar orchestrator • Own the migration end to end, from business case through cutover • Operate and evolve AWS multi-account and multi-region infrastructure • Maintain Terraform modules and workspaces • Ensure safe infrastructure changes across network, storage, and services with zero-downtime deployments • Operate ECS services, blue/green deployments, and Docker image pipelines • Manage reliability through CloudWatch, PagerDuty, Sentry, capacity planning, and cost tagging • Maintain security baselines using IAM, SSM secrets, and Cloudflare edge rules • Partner with engineers on release automation and production readiness • Maintain AWS and rented bare-metal infrastructure as one operable hybrid platform • Build the business and technical case for workloads moving off AWS versus remaining • Design the bare-metal/colo landing zone covering compute, network, storage, observability, and secrets • Produce migration waves, dependency maps, and cutover/rollback plans • Establish hybrid connectivity and dual-run periods, shifting traffic safely • Replace or re-home managed services where beneficial • Coordinate colocation providers, vendors, timelines, and engineering teams; report progress and risk

🎯 Requirements

• 5+ years of senior DevOps/platform experience with production ownership • Deep AWS knowledge, including VPC, ECS, IAM, RDS/ElastiCache or equivalents, and networking • Terraform at scale, including modules and remote state/Terraform Cloud • CI/CD with GitHub Actions, including automated production deployments such as blue/green deployments • Docker container experience and ability to operate services on ECS or Kubernetes • Strong Linux networking knowledge, including DNS, TLS, load balancing, firewalls, VPN, and hybrid networking • Proven experience planning and executing migrations to on-premises, colocation, or private cloud infrastructure • Ability to own multi-quarter infrastructure initiatives involving TCO, design, vendors, cutover, and rollback • Ability to automate operational tasks with shell and/or Python • Fluent spoken and written English • Strongly preferred: colocation/bare-metal operations, IPAM/NetBox, Ansible, Packer or equivalent, HAProxy/Nginx • Strongly preferred: replacing managed AWS services with self-hosted Postgres HA, Redis/Valkey, Kafka, and OpenSearch • Strongly preferred: email infrastructure including MTA, SMTP, IP reputation, DKIM/SPF/DMARC, with Halon or similar • Strongly preferred: Cloudflare DNS/WAF/Access • Strongly preferred: observability beyond CloudWatch, such as Prometheus/Grafana/Loki • Strongly preferred: multi-region SaaS or EU data residency experience • Strongly preferred: cost-driven architecture/FinOps mindset • Plus: GCP, Ruby or Go, and AWS certificates