Senior Backend Developer (PHP)

Posted 2 Days Ago
Be an Early Applicant
4 Locations
Remote
Senior level
Software • Travel
The Role
Join 12Go's R&D team as a Senior Backend Developer (PHP) to design scalable backend services, optimize performance, and support legacy components while collaborating with a passionate team.
Summary Generated by Built In

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!
Stack:
-Languages: PHP (primary), Rust (selected modules), JavaScript (auxiliary);
-Databases & Storage: MariaDB, Redis, Memcached, ClickHouse;
-Practices: CI/CD pipelines, code review, API versioning, Agile/Scrum.
Responsibilities:
-Designing and maintaining scalable backend services (not strict microservices, but service-oriented);
-Optimising performance in search and checkout flows under high concurrency;
-Writing robust automated tests (unit, functional, contract);
-Supporting production codebase that includes legacy components.


Requirements

-5+ years of backend engineering, with at least 3 years in PHP;
-Proven experience with high-load systems (performance tuning, caching strategies, DB optimisation);
-Solid algorithmic thinking and ability to evaluate trade-offs between architecture elegance and delivery speed;
-Familiarity with distributed systems concepts;
-Proactive problem-solver: able to research, propose, and drive solutions;
-Balance between independence and collaboration — knows when to follow instructions and when to challenge them;
-Comfortable asking questions early to avoid misunderstandings;
-Fluent English.
Nice to have:
-Hands-on Rust experience (systems or backend modules);
-Background with geospatial data or ML-driven services;
-Degree in Computer Science / Software Engineering;
-Previous e-commerce or fintech experience.


Benefits

-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.
What should I do to dive into 12Go company culture?
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!

Top Skills

Agile
Ci/Cd
Clickhouse
JavaScript
Mariadb
Memcached
PHP
Redis
Rust
Scrum
Am I A Good Fit?
beta
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
HQ: Bangkok
176 Employees
Year Founded: 2012

What We Do

12Go is the leading multimodal online travel agency based in Bangkok, Thailand. Founded in 2012, we offer train, flight, bus, and ferry tickets, as well as transfers, insurance, and other travel products globally.

At 12Go, our vision is to enable any customer to instantly book any route in the world. We develop technology to create memorable travel experiences for everyone, worldwide. Operating in more than 140+ countries, we have assisted over 4 million travelers, making their journeys easier and more enjoyable.

12Go employs over 200+ professionals globally. We have a performance-driven culture that emphasizes continuous feedback and professional growth. Visit our career website to see the open roles https://12go.com/en/jobs

Similar Jobs

OpenX Technologies Logo OpenX Technologies

Test Automation Engineer

AdTech • Enterprise Web • Information Technology • Machine Learning • Marketing Tech • Sales
Easy Apply
Remote or Hybrid
Kraków, Małopolskie, POL
139-155

Affirm Logo Affirm

Analyst II, Full Stack

Big Data • Fintech • Mobile • Payments • Financial Services
Easy Apply
Remote
Poland
252K-352K

Coupa Logo Coupa

Architect

Artificial Intelligence • Fintech • Information Technology • Logistics • Payments • Business Intelligence • Generative AI
Remote
Poland

GitLab Logo GitLab

Back-end Engineer

Cloud • Security • Software • Cybersecurity • Automation
Easy Apply
Remote
31 Locations
98K-210K Annually

Similar Companies Hiring

Credal.ai Thumbnail
Software • Security • Productivity • Machine Learning • Artificial Intelligence
Brooklyn, NY
Standard Template Labs Thumbnail
Software • Information Technology • Artificial Intelligence
New York, NY
10 Employees
PRIMA Thumbnail
Travel • Software • Marketing Tech • Hospitality • eCommerce
US
15 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account