Janar Oismaa
Janar Oismaa

Senior Fullstack Engineer

Actively looking · Member since 15 Jul 2025
Message
Location
Estonia
Desired salary
Unspecified
Work preference
Full Time
Experience level
Not set

About

Professional summary

With over 10 years of professional experience in software development, I specialize in crafting state-of-the-art products using JavaScript and TypeScript along with their powerful frameworks, including React/Next.js, React Native, and Node.js/Express.js/NestJS. Skilled in building high-performance APIs, optimizing database systems, and deploying containerized microservices using Docker, Kubernetes, and cloud platforms such as AWS and GCP. Rich experience in developing responsive, intuitive frontend interfaces that provide exceptional user experiences, leveraging component-driven architecture. Strong advocate for TDD, CI/CD automation, and Agile practices, with a proven track record of enhancing application performance, reducing load times, and delivering secure, user-friendly solutions. Adept at mentoring teams and driving collaboration to achieve business goals efficiently.

Skills

27 capabilities

Experience

Career history

Senior Full Stack Engineer Merkle DACH

Led full-stack development of an enterprise-grade eCommerce platform for promoting heated tobacco products across APAC, using Node.js, MongoDB, and React, supporting over 500K monthly active users with 99.98% uptime.

Senior Full Stack Engineer Helmes

Designed and implemented highly interactive web applications using React and Next.js with TypeScript, leveraging features like Server-Side Rendering (SSR), Static Site Generation (SSG), and Incremental Static Regeneration (ISR) to improve search engine performance by 40%.

Senior Full Stack Developer Andersen Lab

Architected and implemented dynamic, scalable user interfaces using React 16 / 17, TypeScript, and libraries like Material-UI and Ant Design, optimizing for high-performance enterprise applications.

Full Stack Developer IV Chudovo

Spearheaded the development of three high-performance Single Page Applications (SPAs) using React 16, reducing page load times by 40% through optimized code-splitting.

Software Developer Ronas IT

Designed and implemented RESTful APIs and microservices using Node.js and Express.js, ensuring high availability and scalability of server-side applications.

Education

Learning history

Tallinn University

Bachelor of Computer Science

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