Olli Peura
Verified Expert in Engineering
Full-stack Developer
Helsinki, Finland
Toptal member since June 4, 2021
Olli is a full-stack developer specializing in Flutter and Dart. He excels in modernizing the back ends of apps and web projects with new front ends using React, Node.js, and Flutter. He is no stranger to working with large data loads, up to tens of thousands of users. Olli refactored the entire back end from a monolith to modern serverless functions that optimized it to 1/10th of the startup time and managed the Google Play and Apple Store process for uploading and updating apps.
Portfolio
Experience
Availability
Preferred Environment
Linux, Visual Studio Code (VS Code), Amazon Web Services (AWS), Firebase, Android Studio, Flutter, Dart, Mobile Development, Mobile App Development
The most amazing...
...project I've assisted was an autonomous car driving technology that explored the potential applications of self-driving cars.
Work Experience
Full-stack Developer
Impakt Oy
- Managed the entire project, including planning and execution, QA, and software architecture.
- Conducted data analysis with Neo4j and Python and provided a React front end.
- Navigated massive data sets for big-data analysis.
- Managed a complex Kubernetes (EKS) cluster with multiple microservice nodes.
- Handled the import and clean-up of a large, historical dataset which was provided in an impure format.
- Enhanced European Union-provided APIs and services.
Full-stack Developer
Hookle
- Developed the Flutter mobile front end and Firebase back end.
- Assisted with numerous social media APIs, including overseeing the application process.
- Ensured that our services could handle a massive load of tens of thousands of users.
- Managed the Google Play and Apple Store process for uploading and updating our apps.
- Refactored the entire back end from a monolith to modern serverless functions and optimized the functions to require 1/10th of the startup time.
Full-stack Developer and Team Lead
Exebit OY
- Assisted multiple companies ranging from small start-ups to industry leaders.
- Managed a software development team in addition of software development. Responsible for planning, QA, and communication with the clients.
- Used a variety of technologies and programming languages including Dart, Python, React, Kubernetes, and FastAPI.
- Worked in multiple industries including cleantech, fintech, automotive, and social media.
- Developed UX and UI planning to ensure the ease of use of the products.
- Took part in a Nordic's #1 start-up accelerator called Kiuas.
Full-stack Developer
Fortum Power and Heat OYj
- Assisted in the development of a self-driving car framework. Explored the possibilities of the technology.
- Solved complex mathematical problems and developed algorithms concerning electric fleet management and autonomous driving.
- Developed a web-based front end to aid the visualization and management of the system.
- Worked actively with Finland's top autonomous car and electric fleet management companies.
- Completed UX research to incorporate the product into people's everyday lives while requiring minimal extra intervention from the user.
Experience
Hookle
http://hookle.netFortum Go
http://www.fortum.com/GOImpakt Data Platform
Skills
Libraries/APIs
React.js, Node.js, REST API, API
Tools
Android, Amazon EKS
Languages
JavaScript, Dart, HTML, TypeScript, Python, Java, CSS, SQL, HTML5
Frameworks
Flutter, Express.js, Flask, Django, Android SDK
Paradigms
Mobile App Design, Microservices Development, Unit Testing
Platforms
Firebase, Docker, Visual Studio Development, AWS, iOS, Kubernetes, Android, Linux
Storage
Neo4j, Elasticsearch, MongoDB
Other
Mobile Apps, Front-end, Responsive Web Development, Mobile App Design, UI Development, Scalability, IBM Cloud, Self-driving Cars, CI/CD Pipelines, OpenAI GPT-3 API, Payment APIs, Design
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