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Java Backend Developer
Sigma IT AB•  October 2019 - Present
Assignment: Volvo Group Connected Solutions Worked as a Java backend developer in the Service Planning business area. Worked in an agile DevOps team with micro-services in AWS cloud. Main activities include: ## Develop and maintain micro-services with GraphQL endpoints over Spring boot application with PostgreDB and Liquibase ## Develop unit tests for developed features and enhancements using JUnit and Mockito ## Develop performance test scripts in Scala and Gatling, and execute them reporting with Gatling and Grafana reports ## Analyse and fix production bugs and issues ## Worked with end to end responsibility in the AWS Cloud deployment pipeline Sigma Internal assignment: Worked on a PoC to consolidate data from 20+ open source APIs, into a single database model. Main activities include ## Analysis of different types of APIs REST, SOAP, GeoSpatial shape files from WMS/FTP servers ## Prototyping solutions to extract data from APIs and migrate them to a PostGIS database ## Prototyping automatic integration of APIs with DB using Spring Integration framework module
Solution Architect
IBS Software Services (P)•  July 2008 - June 2019
• Leading a team of 10+, specializing in core PSS modules – Air Shopping, IATA NDC, Inventory Management and Control, Flight Schedule management, Schedule and Inventory distribution (SSM, AVS, MCT, OAG), Interline and Codeshare agreement management, and Tour Operator modules – Contract and allotment management, Revenue management and Invoicing • 11 years of experience designing and developing solutions for multiple projects in Airline Passenger Services domain o Product Roadmap Enhancements o Customer specific features o Regulatory enhancements • Works closely with the Technical Architecture Group to review solutions, apply project recommendations, and participate in workshops to add new components or enhancements in the overall product architecture • Participates in RFP and Sizing discussions, Project/Feature Estimations, Product Roadmap workshops, solutioning of product and customer specific features, product implementation and maintenance. • Lead/participate in Proof of Concept of special projects, and further implementing them in the product. • Support performance testing team in planning, execution and analysis of NFR issues. Leading and development of optimizations and re-designing to meet SLA • Participate in product go-live implementations (Offshore and Onshore), mainly responsible for supporting interface integrations (Web-services, FTP, EDIFACT, Email) • Hands on experience in developing high performance solutions – Real time & cache based, in shopping service, providing sub-second response time
Education
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