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Backendutvecklare

Stockholm, Sweden💼 Full-time🗓 2026-06-22 → 2026-09-26

Core

Developing, maintaining, and optimizing backend services for a modern web-based membership system serving associations, organizations, and companies.

Role type

Senior Backend Engineer (Node.js/TypeScript)

Builds

Scalable backend services, APIs, and integrations for membership management, payments, and communication.

Domain

SaaS / Membership Management / Fintech

Deliverable

production ML models | product features

Required skills

Node.js, TypeScript, SQL (MariaDB, PostgreSQL), relational database modeling, API design, system architecture, performance optimization, customer communication (Swedish)

Preferred skills

REST API design, database migrations, unit/integration testing, Docker, CI/CD, GDPR compliance, payment system integration, SaaS product experience, Git, agile methodologies

Technologies

Node.js, TypeScript, MariaDB, PostgreSQL, Docker, Git

Responsibilities

Develop and maintain backend functions in Node.js with TypeScript; work with databases, SQL queries, data models, and performance optimization; develop integrations with external systems and services; build robust APIs and internal services; ensure solutions are production-ready, testable, and scalable; communicate with customers and handle support tasks.

Seniority

Senior, hands-on IC

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