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Senior Backend Developer

Overview

Yousician Oy company logo
Senior Backend Developer - Yousician Oy - Helsinki, Finland
Software Engineer
Compensation
€4,500 - €6,000/month
Salary Context: Software Engineer
Market Average: Software Engineer
€0 - €33,133
In Helsinki, Finland: Software Engineer
€2,730 - €9,000
This Offer
€4,500 - €6,000
€2,730€33,133
per month
Location
Helsinki
Remoteness
Onsite
Estimated Expiry
February 3, 2026
Management Tier
No People Management
Job Type
Full-time
Posted: December 30, 2025
Required:
English

Job Description

Yousician seeks a Senior Backend Developer to build critical backend services for monetization, impacting millions of users worldwide. Responsibilities include designing features, building server logic, ensuring scalability, and mentoring team members. Requires strong Python, API, database, and cloud experience, plus payment solutions knowledge.

Apply on Company Website

Company Information

Yousician Oy company logo

Yousician Oy

Computer programming activities
Säästöpankinranta 2 00530 HELSINKI
Business ID: 2374364-0
Headcount: 123
Company Age: 15 years

Financial Overview (2024)

Yousician Oy was unprofitable in 2024 with revenue of €53.3M and a profit margin of -0.0%.

€53.3MRevenue-€868.0KProfit-0.0%Profit Margin

Data shown is based on historical job postings from our database.

Job Details

Requirements

  • Strong backend development experience
  • Proficiency in Python 3
  • Experience with Flask or FastAPI
  • Knowledge of REST APIs and databases (MongoDB, SQL)
  • Cloud deployment expertise
  • Payment solutions experience (Stripe, Adyen)

Responsibilities

  • Design and implement new features
  • Build server-side logic, databases, APIs
  • Ensure scalability and performance
  • Conduct code reviews and mentor team
  • Collaborate on system architecture

Field:

Technology

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