Toni Seppälä is a highly experienced developer, architect, and enthusiast with over 20 years of experience in internet technologies, agile development processes, and technical leadership. With a passion for high performing services and applications with great user experience, he has worked in startups for the past decade, creating products from scratch using the latest technology and agile processes. Seppälä has developed a wide range of expertise in web architecture, microservices, rapid prototyping, performance optimization and scalability, agile methodologies and coaching, usability, user experience, continuous integration, test-driven development, and team leading.

His preferred stack includes AngularJS/React+Node.js+Redis+MongoDb+Kafka, and he specializes in Node.js, Express.js, Typescript, Javascript, AngularJS, React, Ruby, REST APIs, NoSQL dbs (redis, Memcache, MongoDB), SQL dbs (BigQuery, MySQL, Postgresql), Kafka, graph dbs (neo4j, orchestrate.io), and AWS (S3, Cloudfront, EC2, route 53, ELB, etc.). Seppälä has worked for several organizations, including Hatch Entertainment Ltd, Freelancer, FCG Finnish Consulting Group, Graphing Life, Motley Agency, TenFarms Inc., Microtask, Fruugo, Nokia Oyj, Softera Oy (TTM-Tieto), Triacle Oy, and Done Oyj.

In summary, Toni Seppälä is a passionate, highly experienced developer and architect with expertise in web technologies, agile development, and technical leadership. He has worked for several startups, has a wide range of expertise, and has an extensive list of specialities and preferred stacks.