Senior Frontend Engineer - Lead React/TypeScript, Hybrid

Smartly; Helsinki; Hybrid; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Inclusive culture

Global impact

Wellbeing focus

Total rewards

Hybrid workplace

Job summary

Smartly is seeking a Senior Frontend Engineer to own vertical slices of the Editor platform in a hybrid Helsinki office. You will deliver end-to-end features using React and TypeScript, focusing on performance and scalable frontend architecture in collaboration with product and UX.

You will mentor peers, drive projects, and help shape our Creative Engineering Group while balancing long-term architecture with immediate delivery. English communication is essential.

Qualifications

• 6+ years building robust web applications.
• Expertise in React with TypeScript.
• Strong state management and performance optimization skills.
• Ability to drive projects independently.
• Excellent English communication.
• Experience in a hybrid Helsinki office environment.

Responsibilities

• Own vertical slices of the Editor platform, taking end-to-end responsibility for complex projects from design to deployment.
• Find the smallest possible increments to deliver value to our customers as quickly as possible.
• Partner closely with Product and UX to dissect complex requirements into well-designed and well-executed software.
• Lead technical design decisions and tradeoffs, balancing long-term architecture with immediate product needs.
• Be a core contributor to our Creative Engineering Group, ensuring frontend and core packages remain performant and scalable.
• Act as a mentor and technical guide, elevating the team through constructive code reviews and sharing your expertise.
• Drive projects forward independently and proactively dispatching roadblocks.

Skills

React

TypeScript

Frontend development

State management

Performance optimization

Independent work

English communication

Team collaboration

Job description

Smartly is seeking a Senior Frontend Engineer to own vertical slices of the Editor platform in a hybrid Helsinki office. You will deliver end-to-end features using React and TypeScript, focusing on performance and scalable frontend architecture in collaboration with product and UX.

You will mentor peers, drive projects, and help shape our Creative Engineering Group while balancing long-term architecture with immediate delivery. English communication is essential.