Back-End Developer: Build Scalable APIs & Systems

Työmarkkinatori; Helsinki; On-site; EUR 45,000 - 75,000; Full time

Benefits offered by this job

Competitive salary

Excellent employee benefits

Modern Kamppi office

Job summary

Invosy Oy is seeking a Back-End Developer to design and implement scalable back-end services and APIs for our own systems and client projects. You will work with front-end developers and designers to deliver robust, efficient solutions.

We value clean, maintainable code and familiarity with cloud platforms. The role requires at least two years in back-end development and fluency in Finnish or English, with competitive salary and strong growth opportunities in Helsinki.

Qualifications

• 2+ years of back-end development experience
• Strong knowledge of C# / .NET and SQL databases
• Experience designing and building REST APIs
• Ability to write clean, efficient, and maintainable code
• Experience with version control (Git)
• Understanding of application architecture and scalability
• Teamwork skills and a willingness to learn
• Fluent in Finnish or English

Responsibilities

• Design and implement back-end services and APIs powering our own systems and client web services
• Collaborate with front-end developers and designers to deliver seamless user experiences
• Build scalable and efficient back-end architectures and services

Skills

Back-end development

C# / .NET

SQL

REST APIs

Git

Cloud familiarity

Teamwork

Willingness to learn

Tools

Git

Job description

Invosy Oy is seeking a Back-End Developer to design and implement scalable back-end services and APIs for our own systems and client projects. You will work with front-end developers and designers to deliver robust, efficient solutions.

We value clean, maintainable code and familiarity with cloud platforms. The role requires at least two years in back-end development and fluency in Finnish or English, with competitive salary and strong growth opportunities in Helsinki.