Senior Fullstack Engineer: End-to-End Platform Ownership

Smartly.io

Helsinki

Hybrid

EUR 90,000 - 120,000

Full time

14 days+

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Benefits offered by this job

Equity options

Competitive compensation

Healthcare packages

Flexible hybrid workplace

Job summary

Smartly is seeking an experienced software engineer to own end-to-end vertical slices of our platform from Helsinki in a hybrid setup.

You will design and document services, own API contracts, and collaborate with UX, product, infrastructure, and support to meet customer needs. Join a global team delivering scalable web apps with React, Node.js, and TypeScript, and help shape our Creative Engineering Group's offerings.

Qualifications

7+ years of experience building robust, distributed web applications.
Experience building client applications using React.
Backend development with Node.js and TypeScript; openness to other technologies.
Strong spoken and written English communication.
Hybrid work from Helsinki office 3 days a week.

Responsibilities

Take end-to-end ownership of vertical slices of our platform.
Document services and communicate offerings to other Smartly teams.
Define, design, and own API contracts for internal and external stakeholders.
Focus on well-designed, high-quality software; quality matters.
Be a core contributor to the Creative Engineering Group's ambitions and products.
Collaborate with UX, product, infrastructure, and support to meet customer needs.
Develop and refine soft skills by working closely with customers and peers.