Oleh Sieroochenko

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software development software architecture outsourcing outstaffing mobile development replatforming reactjs react native extjs nodejs php symfony aws startups java dedicated team qa cross platform development ui ux design it consultacy web development outsourced software development startup development angular it services & it consulting mobile app development quality assurance ui/ux design dedicated development team medical apps development iot solutions cloud development real-time communication startup consulting devops services project management software testing cross-platform apps e-commerce solutions api development progressive web apps enterprise applications user experience optimization frontend development backend development responsive design mobile solutions telemedicine applications patient portals inventory management systems fleet management applications logistics solutions education apps e-learning platforms security testing performance testing automated testing healthcare software fintech solutions social media applications business analysis technical support custom software solutions agile development flexible scaling client communication user research design systems brand design prototyping & mvps interactivity in ui cloud solutions on aws flutter development react native applications information technology & services productivity consumer internet consumers internet