Senior Node.js Backend Engineer for Scalable Internal Tools

Wolt; Helsinki; Hybrid; EUR 60 000 - 80 000; Full time

Job summary

A leading delivery service is looking for a Senior Backend Engineer (Node.js) to join their team in Finland or Sweden. You will build scalable backend services, collaborate with cross-functional teams, and contribute to architectural discussions. The ideal candidate should have 7+ years of Node.js experience, strong skills in SQL and NoSQL databases, and a product-oriented mindset. This role offers opportunities to influence customer support at scale.

Qualifications

• 7+ years of production experience in Node.js, with the ability to mentor others.
• Strong experience with SQL and NoSQL databases, especially MongoDb and PostgreSQL.
• Experience designing low-latency, high-throughput distributed systems is a plus.

Responsibilities

• Build and maintain high-throughput backend services using Node.js.
• Collaborate with product managers, designers, and frontend developers.
• Design scalable, resilient, and easy to maintain systems.

Skills

Production experience in Node.js

Experience with SQL and NoSQL databases

Designing low-latency systems

Product-oriented mindset

Clear communication skills

Tools

MongoDb

PostgreSQL

Job description

A leading delivery service is looking for a Senior Backend Engineer (Node.js) to join their team in Finland or Sweden. You will build scalable backend services, collaborate with cross-functional teams, and contribute to architectural discussions. The ideal candidate should have 7+ years of Node.js experience, strong skills in SQL and NoSQL databases, and a product-oriented mindset. This role offers opportunities to influence customer support at scale.