Headline

Backend Lead Engineer @ Sabre | GCP | Java | Kafka | API | REST | System Design | Spring Boot | Agentic AI

About

As a Development Team Lead at Sabre Corporation, I bring extensive experience in backend engineering and API-driven systems, leveraging over 10+ years of expertise in Java, Spring, and microservices. My contributions include enhancing API frameworks, mentoring team members, and streamlining processes to improve efficiency and deliver value. Proficient in Agentic AI Development and Google Cloud Platform (GCP), my work focuses on creating scalable and reliable solutions that drive organizational success. At Sabre, I emphasize clarity, collaboration, and innovation, fostering a culture that prioritizes problem-solving and continuous improvement. By aligning technical expertise with business goals, I aim to build adaptable, high-performing systems that meet complex challenges. Passionate about exploring emerging technologies such as AI, I remain committed to delivering impactful and sustainable results.

Location

Bengaluru

AI stack

claude code

gemini

geminicli

github copilot

mcp

Work experience

Development Team Lead at Sabre Corporation, Sep 2022 - Present · 4 yrs 1 mo, Bengaluru, Karnataka, India, Lodging Retailer (LR) -Corporate Preferencing • Reused 80% of existing API's framework previously implemented for property preferencing and enhanced it by writing modularized code for SOAP & REST versions. • Mentored team members through regular code reviews and pairing sessions, resulting in a 50% decrease in technical errors and improved overall code quality. • Created a s2c to s1c Convertor Template to streamline the process for migrating microservices components, reducing manual effort by 50% and saving an estimated $5,000 per year • Collaborated with members of the LGS Winglets tech community to identify areas of improvement within existing systems, resulting in a 15% increase in user satisfaction and adoption rates

Senior Software Engineer at Sabre Corporation, Jun 2021 - Sep 2022 · 1 yr 4 mos, Bangalore Urban, Karnataka, India, Lodging Retailer (LR) -Persona Based Subscription Model & Squatter Rates Engine • Refined code quality metrics by refactoring & fixing sonar issues and modularized old code reducing maintainability overhead in components which emanated in 23.4% rise in code quality. • Boosted shopping to booking ratio to 34% by building squatter rates engine enable exclusive rates to agencies having a contract with Sabre.

Contributor Software Developer at Sabre Corporation, Nov 2018 - Jun 2021 · 2 yrs 8 mos, Greater Bengaluru Area, Lodging Retailer (LR) -Agency and Supplier Preferencing • Implemented scalable & decoupled API's for property preferencing by writing modularized code for SOAP & REST versions which contributed to 50% of the project requirement. • Collaborated with UX designer to translate project requirements and business objectives into polished user interfaces with WCAG 2.0 compliant that helped Sabre avoid $50K in penalties due to Accessibility. • Achieved 100% CI/CD for NGHP-Content by migrating 2500 API automation test cases to a newer framework (Nimbus) & added a dynamic test data generation module which saved QA test data efforts of 48hrs every release. • Was a pioneer in introducing a transformation for developers by showing the importance of TDD & Dev/QA Balance which helped reduce QA testing load by 30%, improved Junit coverage/scenarios by 10%, and allowed Developers to contribute in API Automation.

Operations Associate at SESA Sterlite Limited, Jul 2011 - Jun 2013 · 2 yrs, Digitalized production and inventory tracking processes using SAP. Built operational dashboards in Excel to support managerial decision-making.

Associate at SesaGoa Pvt Ltd, Jun 2011 - Jan 2013 · 1 yr 8 mos, Goa, India, • Digitalized Iron Ore production data in SAP tool daily which helped to keep track of inventory stock with 100% accuracy. • Created a comprehensive dashboard in Excel that provided a holistic view of the Iron Ore production process, aiding managers in strategic decision-making. • Conducted regular data audits of the Iron Ore production data in the SAP tool, ensuring data integrity and reliability. • Initiated the use of data analytics in Excel to identify trends and patterns in Iron Ore production, providing valuable insights for production planning.

Part Time Computer Teacher at Adliz Computer Institute Sanguem, Jan 2008 - Jan 2012 · 4 yrs 1 mo, Teaching Basic and Advance Computer Courses DCA, ADCA

Education

Master of Computer Applications (MCA), Computer Science, Goa University

Bachelor of Science (B.Sc.), Computer Science, Government college of arts commerce and science quepem

Public links

github: https://github.com/rahuldcosta

leetcode: https://leetcode.com/rahuldc999