Freelance Software Consultant

• Transformed acquired interviewing tool into full recruiting platform using TypeScript, Node.js, PostGraphile, React, PostgreSQL and Google Cloud, making it effortless for talents and employers to connect with each other • Designed architecture supporting separate services for talents, interviewers and employers, the services communicating with each other via GraphQL APIs

• Developed an energy calculation and visualization tool for the leading European engineering consulting company using TypeScript, NestJS, GraphQL, React, PostgreSQL, Azure, Unity and C#, requiring careful design of the calculation engine to handle the intricacies of different heat pumps and electrical grids • Overhauled the job search functionality of the largest Finnish online job portal using Node.js, GraphQL, Vue.js, PostgreSQL, Elasticsearch and AWS, with zero downtime for millions of monthly visitors • Implemented a mobile app for a social health startup in TypeScript, NestJS, Next.js, GraphQL, React Native and Google Cloud, from scratch to release in three months

• Led a team of 7 developers, recruited and mentored team members • Planned and implemented transition from dedicated servers to AWS and Docker, with minimal downtime for millions of monthly visitors • Planned and implemented transitions from vanilla JavaScript to React and Redux and from Zend Framework to Symfony without major rewrites • Developed and deployed a real-time bid information system, integrating new technologies such as TypeScript, Node.js, Socket.IO and RabbitMQ into the existing stack

• Implemented an identification verification platform with integrations to Finnish banks in PHP, Symfony, PostgreSQL and JavaScript • Taught myself Ionic Framework to implement an app for a social media platform

• Designed and implemented an automated funds transfer system in PHP, Zend Framework, MySQL and JavaScript, reducing manual work from days to minutes per week

• Designed and implemented a web service in PHP, MySQL and JavaScript which allowed videos and slideshows to be played side by side, enabling presenters to effortlessly record their presentations for sharing

• Designed and implemented a web service in PHP, MySQL and JavaScript which allowed hockey team coaches to track the performance of junior players, enabling the coaches to give the players feedback on their weaknesses