Senior Mobile FullStack 12 Months Agency Contract-Required to work on weekends and 24/7 standby required

Your tasks

• Lead design and development of native Androidfeatures in Kotlin/Java, using MVVM or a similar clean architecture.
• Build passenger-facing features such as flightsearch and booking, manage booking, check-in, mobile boarding pass, flightstatus and notifications.
• Design and build backend microservices andREST APIs with Spring Boot and/or Node.js, integrating with airline systems andthird-party providers.
• Design and build secure payment flows withinthe app, covering credit/debit cards and digital wallets (Google Pay / ApplePay), including authorisation, refunds and handling failed or partialtransactions.
• Deploy and run services on AWS (Lambda, EC2,S3, SNS, CloudWatch), with attention to availability, latency and cost.
• Design database schemas and tune queries(MySQL, DynamoDB).
• Set up and improve CI/CD pipelines (Jenkins,Gradle/Maven) and production monitoring (Splunk, CloudWatch).
• Run architecture and code reviews, mentordevelopers, and set engineering standards (TDD, unit and integration testing).
• Work with client stakeholders and offshoreteams on requirements, releases, incidents and production support.
• Use AI-assisted development tools (e.g. GitHubCopilot) responsibly and validate their output.

Requirements

Job Requirements

• Bachelor's degree in Computer Science or related field, with 10+ years of software development experience and at least 3 years in technical leadership, preferably in airline or aviation digital platforms.
• Strong native Android development in Kotlin/Java, MVVM/MVP, Clean Architecture, and automated testing using JUnit, Mockito, and Espresso.
• Hands-on backend development with Java, Spring Boot, and Node.js, including REST APIs, microservices, MySQL optimisation, DynamoDB, and event-driven architecture.
• Production experience with AWS Lambda, EC2, S3, SNS, CloudWatch, CI/CD using Jenkins and Git, and monitoring with Splunk or equivalent tools.
• Proven experience building secure, scalable payment integrations for cards, Google Pay, and Apple Pay, covering authorisation, refunds, transaction reconciliation, and failure recovery.
• Strong technical leadership, architecture reviews, Agile delivery, and client/offshore collaboration; airline systems integration, PCI DSS, IATA NDC, and AI-assisted development experience are advantageous.

Other

Siow Ee Sheng | REG No: R23118145 PERSOL SINGAPORE PTE LTD | EA License No. 01C4394

"By sending us your personal data and curriculum vitae (CV), you are deemed to consent to PERSOL Singapore Pte Ltd (""PERSOL"") and its local and overseas subsidiaries and affiliates to collect, use and disclose your personal data to prospective employers/companies based in any country for purposes of evaluating suitability for employment, conducting reference checks, administering employment related services, complying with Government’shealth advisories and such other purposes stated in our Privacy Policy.

We may use artificial intelligence (""AI"") and machine learning technologies to support our recruitment and placement services,including screening resumes, assessing qualifications and experience, and identifying skills and job matches. Where permitted by applicable law, we may also use such personal data to develop, train, test, improve and/or fine-tune AI and machine learning technologies that support our recruitment and business operations.

For more information on how we collect, use, disclose and protect your personal data, please refer to our Privacy Policy: https://www.persolsingapore.com/policies.If you wish to withdraw your consent, including consent relating to the use of your personal data for AI-enabled recruitment activities and AI development activities, please email us at sg.dataprotection@persolapac.com."