Senior PHP Developer

Connect with us to connect the world.

Are you prepared to join the R&D team at 12

Go and help us build the leading online travel platform, providing seamless booking experiences for travelers worldwide?

12

Go, 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 the 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!

• Strong understanding of the project from a business perspective;
• Strong understanding of system architecture. Knowing how to add new features while maintaining code simplicity and robustness;
• Participating in code reviews;
• Writing defensive code;
• Awareness of code performance;
• Maintaining a good working relationship with the Tech Lead;
• Efficient API/protocol negotiation with other teams;
• Explaining system workings to other members;
• Contributing ideas and raising questions in group discussions;
• Addressing small code issues (bad design) immediately and planning for larger ones;
• Adapting to changes in technology and project requirements;
• Ensuring features work well post-release;
• Questioning the value of tasks: whether the requested change is worth doing vs the cost of increased complexity and development time;
• Striving for bug‑free features;
• Proactively investigating bug reports

• Technical English proficiency;
• Proficiency in PHP (Symfony), a willingness to work with legacy code;
• Strong SQL skills;
• Experience working with React; knowledge of Type Script/JavaScript is preferred;
• Proficient understanding of code versioning tools, such as Git;
• Good understanding of fundamental design principles behind a scalable application

• Engaging work on a product that enables millions of travelers to book their trips daily;
• Full‑time remote working – 5 days week, 8 hours per day;
• Development opportunities (budget for self‑paced learning, global training workshops, online English language classes, e‑learning platforms);
• Internal growth and internal mobility opportunities;
• Competitive annual leave, sick leave, and public holidays;
• Annual company offsite in Thailand

• Mid‑Senior level

• Contract

• Other

• IT Services and IT Consulting

Referrals increase your chances of interviewing at 12

Go by 2x.

Apply! Update your CV and get ready to experience the best interview flow with our top talents.

We can’t wait to see you and share this awesome adventure together!