bids are invited for hiring of professionals for application development and maintenance - managerial roles; project manager; 6 years and less than 9 years , hiring of professionals for application development and maintenance - solutioning / requirement analysis related roles; business analyst; 3 years and less than 6 years , hiring of professionals for application development and maintenance - design related roles; ui / ux designer; 3 years and less than 6 years , hiring of professionals for application development and maintenance - development and related roles; front end developer; 3 years and less than 6 years , hiring of professionals for application development and maintenance - development and related roles; full stack developer; 3 years and less than 6 years , hiring of professionals for application development and maintenance - development and related roles; web developer; 3 years and less than 6 years , hiring of professionals for application development and maintenance - development and related roles; android developer; 3 years and less than 6 years , hiring of professionals for application development and maintenance - development and related roles; php drupal developer; 3 years and less than 6 years , hiring of professionals for application development and maintenance - imaging / gis related; gis developer; 3 years and less than 6 years , hiring of professionals for application development and maintenance - data science and analytics role; security expert; 3 years and less than 6 years , hiring of professionals for application development and maintenance - data science and analytics role; qa automation functional tester; 3 years and less than 6 years , hiring of professionals for application development and maintenance - development and related roles; application / software developer; 3 years and less than 6 years , hiring of professionals for application development and maintenance - data science and analytics role; database administrator; 3 years and less than 6 years , hiring of professionals for application development and maintenance - system admin / security related roles; windows server administrator; 3 years and less than 6 years , hiring of professionals for application development and maintenance - system admin / security related roles; linux server administrator; 3 years and less than 6 years , hiring of professionals for application development and maintenance - data science and analytics role; technical writer; 3 years and less than 6 years , hiring of professionals for application development and maintenance - data science and analytics role; helpdesk operator / executive; 3 years and less than 6 years total quantity :