PHP Developer Senior

Roles & Responsibilities

We are looking for a Senior PHP Developer with strong expertise in Airline / Aviation domain applications such as PSS (Passenger Service System), DCS (Departure Control System), Reservations, Ticketing, and Ancillaries. The candidate will play a key role in designing, developing, and optimizing scalable applications and integrations, while also guiding junior developers and ensuring best practices across the team.

Key Responsibilities

• Lead the design, development, and maintenance of PHP-based airline applications and APIs.
• Work on complex airline workflows: Reservations, Ticketing, Check-in, Boarding, Baggage, and Ancillaries.
• Architect and implement scalable, secure, and high-performance solutions.
• Integrate with PSS/DCS systems, GDS (Sabre, Amadeus, Navitaire, Radixx, etc.), and APIs.
• Mentor and guide junior developers in coding standards and best practices.
• Conduct code reviews and enforce high-quality coding practices.
• Optimize backend systems for high traffic airline transactions.
• Collaborate with QA, Product Owners, and Airline SMEs to ensure domain alignment.
• Contribute to CI/CD pipelines, DevOps practices, and release management.
• Work with EDIFACT messages, XML, and JSON for airline integrations.
  
  

Required Skills & Experience

• 6+ years of experience in PHP development (PHP 7/8, OOP, MVC architecture).
• Proven experience in Airline domain systems (Reservations, Ticketing, DCS, or GDS integrations).
• Solid knowledge of API development & integrations (REST/SOAP/GraphQL).
• Strong MySQL/PostgreSQL skills with experience in query optimization and performance tuning.
• Hands-on experience with JavaScript, HTML5, CSS3, jQuery for frontend integrations.
• Experience with Git, CI/CD pipelines (Jenkins, GitHub Actions, GitLab, or Azure DevOps).
• Strong debugging, analytical, and performance optimization skills.
• Excellent communication skills with ability to mentor teams.
• Experience in Python
  
  

Good to Have

• Experience with Airline reservation systems (Amadeus, Sabre, Radixx, Navitaire, SITA, etc.).
• Knowledge of IATA standards (NDC, ONE Order, EDIFACT).
• Experience with cloud platforms (AWS, Azure, GCP).
• Exposure to microservices architecture, Docker, Kubernetes.
• Performance testing and monitoring experience (New Relic, JMeter).
• Experience in Migration
  
  

Experience

• 6-8 Years
  
  

Skills

• Primary Skill: Open Source Development
• Sub Skill(s): Open Source Development
• Additional Skill(s): PHP
  
  

About The Company

Infogain is a human-centered digital platform and software engineering company based out of Silicon Valley. We engineer business outcomes for Fortune 500 companies and digital natives in the technology, healthcare, insurance, travel, telecom, and retail & CPG industries using technologies such as cloud, microservices, automation, IoT, and artificial intelligence. We accelerate experience-led transformation in the delivery of digital platforms. Infogain is also a Microsoft (NASDAQ: MSFT) Gold Partner and Azure Expert Managed Services Provider (MSP).

Infogain, an Apax Funds portfolio company, has offices in California, Washington, Texas, the UK, the UAE, and Singapore, with delivery centers in Seattle, Houston, Austin, Kraków, Noida, Gurgaon, Mumbai, Pune, and Bengaluru.

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