Tommy Kallio
Available

Tommy Kallio

Senior Web and Mobile developerHelsinki, Finland
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Juho Karkinen
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Tommy Kallio
Available

Tommy Kallio

Senior Web and Mobile developerHelsinki, Finland
About me
Tommy is a highly skilled Full-Stack Web and Mobile developer with over 10 years of experience. He is proficient in technologies such as React, Vue.js, Flutter, Kotlin, Swift, and Node.js, among others. In a single year, Tommy's contributions generated a profit of $200,000 through the development of 20 websites and 40 apps. He also increased customer engagement by 10% and maintains strong, positive relationships with 20 corporate clients
Work history
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    Full-Stack, Lead Software EngineerNokia Networks – Nokia Corporation
     - Espoo, FinlandFull Time
    Develop, test, implement and maintain application software working with established processes and best practices. • Provide guidance and assistance to development and operational team members. • Be an active member of the Development team to contribute to team dynamics, ways of working and assisting with improvement opportunities • Work closely with business partners, project managers and team members to clearly define scope of work and provide accurate schedule estimates • Establish methods for code development within dev, test, prod environments for consistent methodology across releases using Gitlab and Appflow for CI/CD build process. • Manage activities of team members using AGILE methodology • In charge of the Australia/New Zealand app internationalization and release. • Project based on Flutter and React-Native. • Created AWS Lambda functions for data management
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    Full-Stack Mobile DeveloperTrafore Ltd
     - Helsinki, FinlandFull Time
    Designed, developed, tested and deployed mobile applications using Kotlin, Swift, Dart, JavaScript, PHP, Laravel, CodeIgniter • Worked as part of team to define and implement solutions in alignment with the client’s requirement • Maintained long and short-range deliverables with product management team according to product roadmaps. • Documented architecture and implementation for internal and external consumption. • Fixed bugs and improved application performance. • Designed and implemented services like Firebase Notifications, Google Maps, Places API’s etc. • Integrated third party API’s like Twilio SMS, Agora Live Streaming, Quickblox Chat, etc. • Wrote unit tests for mobile code and debugged critical application issues such as crashes, memory leaks, and concurrency problems. • Applied various payments gateways like Stripe, Paypal, Square etc. as per client’s needs • Managed tasks within Agile framework, cleared Sprinted tasks, and controlled GITHUB workflows. • Partnered with artists, QA, and internal developers to maintain best practices.
Skills
  • Project Management
  • Frontend Development
  • Mobile Development
  • AI
  • Website Development
  • Database Management
  • Machine Learning
  • IOS Android
  • SEO Optimisation
  • CMS Websites
Education
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    Bachelor's Degree in Computer ScienceAalto University
     - Helsinki, Finland
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    Matriculation Examination CertificateAlppila Upper Secondary School
     - Helsinki, Finland