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Hello! I am a seasoned Full Stack Software Engineer with 7+ years of experience delivering high-performance applications that drive business growth and user engagement. I excel with React, Next.js, TypeScript on the frontend and Node.js, Express, GraphQL on the backend, with experience in AWS, Docker, Kubernetes, and modern testing and automation (Jest, React Testing Library). I enjoy guiding cross-functional teams toward product goals with clean, scalable code and a user-centered approach.…Hello! I am a seasoned Full Stack Software Engineer with 7+ years of experience delivering high-performance applications that drive business growth and user engagement. I excel with React, Next.js, TypeScript on the frontend and Node.js, Express, GraphQL on the backend, with experience in AWS, Docker, Kubernetes, and modern testing and automation (Jest, React Testing Library). I enjoy guiding cross-functional teams toward product goals with clean, scalable code and a user-centered approach.

Jussi Lake

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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Hello! I am a seasoned Full Stack Software Engineer with 7+ years of experience delivering high-performance applications that drive business growth and user engagement. I excel with React, Next.js, TypeScript on the frontend and Node.js, Express, GraphQL on the backend, with experience in AWS, Docker, Kubernetes, and modern testing and automation (Jest, React Testing Library). I enjoy guiding cross-functional teams toward product goals with clean, scalable code and a user-centered approach.…Hello! I am a seasoned Full Stack Software Engineer with 7+ years of experience delivering high-performance applications that drive business growth and user engagement. I excel with React, Next.js, TypeScript on the frontend and Node.js, Express, GraphQL on the backend, with experience in AWS, Docker, Kubernetes, and modern testing and automation (Jest, React Testing Library). I enjoy guiding cross-functional teams toward product goals with clean, scalable code and a user-centered approach.

Available to hire

Hello! I am a seasoned Full Stack Software Engineer with 7+ years of experience delivering high-performance applications that drive business growth and user engagement.

I excel with React, Next.js, TypeScript on the frontend and Node.js, Express, GraphQL on the backend, with experience in AWS, Docker, Kubernetes, and modern testing and automation (Jest, React Testing Library). I enjoy guiding cross-functional teams toward product goals with clean, scalable code and a user-centered approach.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Finnish

Advanced

Work Experience

Senior Software Engineer at Oscar Software

July 2, 2025 - September 17, 2025

Senior software engineer delivering ERP solutions (Oscar P1) for SMEs. Spearheaded the adoption of a modern frontend framework (React), improving web app performance by 40%, boosting user engagement and reducing bounce rates through optimized architecture and responsive design. Optimized application state management with Context API, accelerating performance and debugging, and enabling faster release cycles with reduced maintenance overhead. Implemented efficient RESTful APIs using Node.js (Express) and GraphQL endpoints; deployed backend services on AWS with Docker and Kubernetes for automated scaling and resilience. Actively contributed to Scrum ceremonies to align with product goals and on-time feature delivery.

Senior Software Engineer at Oscar Software

July 1, 2025 - September 17, 2025

Led the adoption of a modern React frontend (React), improving web app performance by 40%, boosting user engagement, and reducing bounce rates. Delivered secure RESTful APIs using Node.js (Express) and GraphQL, and deployed on AWS with Docker and Kubernetes, enabling automated scaling and improved resilience. Accelerated agile delivery through Scrum ceremonies, and contributed to product goals with cross-functional teams. Engineered efficient, maintainable code and modernized architectural patterns to support rapid growth.

Senior Software Engineer at Solid Code

June 1, 2022 - September 17, 2025

Transformed legacy monolithic systems into microservices-based architecture, boosting scalability by 50% and cutting infrastructure costs by 40%. Engineered reusable components deployed across multiple teams and modernized data stack (PostgreSQL) for robustness and scalability. Introduced Tailwind CSS for consistent UI, improved accessibility, and mentored peers while maintaining business continuity during upgrades. Led onboarding and documentation efforts to improve developer productivity.

Senior Software Engineer at Solid Code

June 1, 2022 - September 17, 2025

Software development company based in Vaasa; transformed legacy monolithic systems into microservices-based architecture. Boosted scalability by 50% and slashed infrastructure costs by 40%. Engineered reusable components adopted across multiple teams, cutting development cycles by 30% and improving cross-project consistency. Accelerated system performance by 69% through strategic refactoring of critical modules and introducing a high-efficiency shared library within a single sprint. Implemented device-agnostic designs with Tailwind CSS to enhance cross-platform usability and accessibility.

Software Engineer at Autodesk

November 1, 2019 - September 17, 2025

Drove client success for 30+ enterprise accounts by leading technical delivery within a 12-person cross-functional team. Boosted deployment velocity and quality through automated testing (Jest, React Testing Library). Modernized legacy backend systems to integrate seamlessly with a React frontend, enhancing platform stability. Engineered device-agnostic designs using Tailwind CSS, significantly improving cross-platform UX and accessibility. Recognized as a strategic technical leader, maintaining business continuity during critical system upgrades and mentoring peers to drive cross-team alignment with digital transformation goals.