Aki Ryynänen
Data & Software Engineer with a passion for AI-driven solutions
Result-oriented software engineer and lead developer with over 13 years of experience building everything from banking systems to data-driven applications. Combines deep technical expertise with strong communication skills and business understanding, making complex technology accessible to diverse stakeholders. Passionate about leveraging AI and emerging technologies to solve real-world problems while leading teams through the rapidly evolving tech landscape. Thrives in environments that demand continuous learning, adaptability, and clear thinking to deliver meaningful results that benefit both users and business outcomes.
Core Strengths
Bridge-builder who connects technical work with business value, translating between technical and business perspectives to ensure solutions meet real business needs
Continuous learner with strong curiosity that drives ongoing exploration of new technologies and approaches, shown by 13+ years of adapting across different industries and technologies
Systems thinker with the ability to see how different parts of technology work together, enabling designs that work well as businesses grow
Technical versatility enabling contribution to any part of modern software projects while understanding how all the pieces fit together to create working solutions
Skill Highlights
Professional Experience
Freelancer
Codebowl OyCompany I use for contract work and personal projects. Check out Floreza and Codebowl Oy.
AI Tools • Astro • Business Acumen • CSS • Claude Code • Cloud Engineering • Cursor • Drizzle • Entrepreneurship • HTML • Lovable • Neon • NextJS • PostgreSQL • React • Software Architecture • Tailwind • TimescaleDB • TypeScript • UX Design • Vercel • Web Development • git • v0 • vite
Developer
OP Financial GroupDeveloped and maintained critical internal banking systems at OP Financial Group serving bank clerks in Finland’s heavily regulated financial environment. Performed database optimization on SQL Server systems, developed database-powered features, and contributed to modernizing applications from Java legacy systems to Node.js/Express and React/TypeScript stack. Worked extensively with T-SQL and database-driven architecture while ensuring compliance with strict banking regulations.
Agile • AWS • CDK • CSS • Cloud Engineering • Copilot • Data Engineering • Docker • HTML • Java • Node • OpenAPI • REST • React • SQL Server • Scrum • Spring • T-SQL • TypeScript • Web Development • git • jest • mocha
Lead Developer
FuturiceLed development team and engineered comprehensive data pipelines for campaign management platform using Azure Data Factory, Databricks, and Delta Lake. Built targeted marketing analytics pipeline processing large-scale retail data and developed GraphQL APIs enabling shop managers to create data-driven campaigns. Mentored team members while architecting scalable cloud infrastructure with Terraform and establishing CI/CD practices.
Agile • Apollo • Azure • Azure Data Factory • Business Acumen • CI/CD Pipelines • Cloud Engineering • CSS • Databricks • Data Engineering • Delta Lake • Docker • git • GraphQL • Hapi • Hasura • HTML • Interpersonal Skills • jest • Jira • Mentoring • Mobx • mocha • nginx • Node • PostgreSQL • Python • React • REST • Scrum • Software Architecture • Team Lead • Terraform • TypeScript • UML • UX Design • Web Development • webpack
Data Engineer
TietoEvryDeveloped data-driven SaaS platform for visualizing large-scale measurement data through intuitive user interfaces. Prototyped data persistence solutions and GraphQL APIs enabling efficient querying of high-volume datasets. Built and maintained cloud-native Azure infrastructure serving multiple clients. Created interactive data visualizations using React, TypeScript, and d3.js for complex analytical dashboards.
Agile • Apollo • Azure • CI/CD Pipelines • CSS • d3.js • Data Engineering • Docker • git • GraphQL • HTML • Java • jest • Jira • nginx • Node • PostgreSQL • React • Scala • Scrum • Spring • Test Automation • TypeScript • Web Development • webpack
Software Specialist
LeanwareDesigned and implemented ERP solutions and B2B integrations for shipyard operators in the logistics industry. Developed ETL processes and integrated with third-party systems including customs authorities, streamlining shipyard operations. Collaborated with customers on service design and provided technical support through service desk operations. Completed master’s thesis on B2B integration best practices, directly applying research findings to enhance solution architecture and team processes.
.NET • Agile • Application Development • C# • Data Engineering • DB2 • Interpersonal Skills • PostgreSQL • Scrum • SQL Server • UML • UX Design • WinForms • WPF
Education
Master of Science (M.Sc.), Computer Software Engineering
Tampere University of Technology