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DevOps at 12Go Asia. Connect with us to connect the world.. Are you prepared to join the R&D team at 12Go and help us build the leading online travel platform, providing seamless booking experiences for travelers worldwide? . 12Go, being a part of . Travelier. group, offers a wide range of transportation options, including trains, buses, ferries, and flights, to help customers travel conveniently and affordably. Our vision is to enable any customer to instantly book any route in the world.. In our R&D department you will get to work on groundbreaking solutions that reshape how people explore the world, using a modern tech stack and following top industry standards to ensure security, scalability, and a reliable travel experience. You will thrive in a collaborative culture where passionate colleagues love sharing ideas, and your work will have a real impact on our users' travel adventures. . Join us in crafting this exciting journey, where your contribution will be key to our success!. Responsibilities:. -Design, build, and maintain resilient infrastructure for mission-critical services (multi-region AWS, on-prem integrations);. -Develop and maintain CI/CD pipelines in TeamCity to ensure fast and reliable delivery;. -Operate and optimize containerized workloads in Nomad, integrating Consul Service Mesh and Vault;. -Build infrastructure as code with Terraform and Ansible for repeatable deployments;. -Monitor, troubleshoot, and improve system performance (latency, throughput, cluster state);. -Implement robust security practices (secrets rotation, network policies, TLS);. -Collaborate with developers, security team and DBAs to ensure infrastructure aligns with application/database requirements;. -Document infrastructure, processes, and provide knowledge sharing inside the team.. Tech stack:. -Databases: MariaDB, ClickHouse;. -Cloud: AWS (EC2, VPC, S3, WAF, CloudFront);. -CI/CD: TeamCity, Bitbucket;. -Orchestration: HashiCorp Nomad, Consul Service Mesh, Vault for secrets;. -Containers: Docker;. -Languages: Python (automation, tooling);. -Observability: Prometheus + Grafana, Datadog;. -Process: Jira.. -3+ years in production DevOps/SRE roles with Linux (Debian/Ubuntu);. -Strong experience with AWS core services (EC2, S3, VPC, IAM, CloudFront);. -Hands-on experience with HashiCorp stack: Nomad, Consul, Vault;. -Solid Docker knowledge and container troubleshooting;. -IaC skills with Terraform and Ansible;. -CI/CD pipelines design and support (TeamCity preferred, other CI/CD okay);. -Monitoring and alerting with Prometheus + Grafana, Datadog;. -Proficiency in Python for automation and tooling.. Personal traits:. -Proactive, self-driven, comfortable in a flexible Kanban process;. -Systems thinker, able to justify and communicate architectural decisions;. -Team player, open to knowledge sharing;. -English — fluent (documentation, collaboration in international teams);. -Russian — a plus for informal team communication.. Nice to have:. -Experience with ClickHouse or MariaDB performance tuning from infrastructure side;. -Knowledge of networking, load balancing, service discovery internals.. Company Location: Poland.