12Go

Database Administrator

• Own MariaDB replication topology;
• Design and execute GTID migration plan across self-hosted and RDS instances;
• Monitor and maintain replica lag across all replicas;
• Define and test failover and switchover runbooks.
• Continuously audit slow query logs across all three engines;
• Tune engine parameters for workload characteristics;
• Set up and own PMM or equivalent observability stack for DB metrics.
• Define and enforce safe schema migration procedures (online DDL, pt-online-schema-change);
• Integrate migration steps into CI/CD pipeline; enforce no-deploy-before-migration policy;
• Maintain migration history and rollback procedures for every schema change.
• Implement and verify backup strategy: logical + physical, with tested restore procedures;
• Maintain point-in-time recovery capability for all critical databases.
• Manage database users, roles, and access policies (principle of least privilege);
• Audit and rotate credentials on schedule; integrate with secrets management;
• Ensure data-at-rest and in-transit encryption is in place and documented.
• Write and maintain runbooks for every database: failover, restore, migration, scaling;
• Conduct internal knowledge transfer sessions with the DevOps team;
• Participate in on-call rotation for database-related incidents.

Database Administrator, DBA

Full-stack Engineer

• 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?
• 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.
• We are looking for a Full Stack Engineer (from Junior to Senior levels) to build and improve high-traffic product features across the 12Go platform.
• You will work on backend services, frontend applications, and platform integrations, helping deliver scalable and reliable solutions across multiple product domains such as affiliate networks, external B2B partners, SEO, CRM, PPC, and internal tools.
• This role is designed for engineers who are strong in either frontend or backend development, with the ability and interest to contribute across the stack when needed.
• You will collaborate closely with product, marketing, data, and infrastructure teams to ensure our systems remain fast, reliable, and scalable.
• Join us in crafting this exciting journey, where your contribution will be key to our success!

Senior Full Stack Engineer

Customer Support

• Resolve customer complaints via email or social media
• Assist customers by providing the information they require
• Communicating and coordinating with colleagues and other departments as necessary
• Track bad reviews and support cases to identify problems & resolve them
• Suggest and make changes to improve operational workflows.

Database Administrator, DBA

Senior Full Stack Engineer

Senior Customer Support Specialist