I T

Back-end Developer at new Human-Centered Social Network Startup

Vejle
Company: LifeBonder
Published Oct 08, 2025

Role highlights

Contract type

Full Time

Schedule

Permanent

Experience

Entry

Work style

Remote ยท On-site

Key skills

This Back-end Developer role at a human-centered social network startup requires strong proficiency in .NET technologies, specifically .NET Core and MVC frameworks, to develop and enhance backend systems. Candidates should have hands-on experience with Entity Framework for object-relational mapping and PostGreSQL as the primary database technology. Familiarity with API development and testing using Swagger is essential, indicating a need for skills in designing, documenting, and validating RESTful API endpoints. Knowledge of microservices architecture is a plus, suggesting the ability to work with modular, scalable backend components. The role suits both recent graduates and experienced developers who are passionate about backend development and eager to tackle new challenges. Effective communication skills and the ability to work both independently and collaboratively in a remote or hybrid environment are important. The position emphasizes self-management and time structuring without close supervision. Although unpaid and volunteer-based, the opportunity offers real-world experience in a startup setting, contributing to socially impactful technology. Developers will benefit from working in a small, equal, and friendly team environment, gaining valuable references and career support. Overall, the role demands solid backend development expertise in the Microsoft technology stack, database management, API proficiency, and adaptability to startup dynamics.

#Software Developer #Backend Engineer #API Developer #Microservices Developer #.NET Developer #Database Developer #Back-end Developer #PostgreSQL Developer #Entity Framework Developer #MVC Developer

About the role

Role Summary

  • Join Lifebonder, a startup aiming to create a human-centered social network focused on real-life connections and combating negative aspects of current social media.
  • Help build a safe platform for meaningful friendships and genuine social bonds.
  • Note: This is an UNPAID volunteer opportunity.

Responsibilities

  • Collaborate with a dedicated development team to build the NextGen Social Networking App.
  • Develop new code and improve existing code using .Net Core and MVC frameworks.
  • Use Entity Framework and PostGreSQL as primary database technologies.

Requirements

  • Recent graduate or experienced senior developer passionate about backend technologies.
  • Strong technical skills in .NET/.Net Core, Entity Framework, and MVC.
  • Experience working with APIs and using Swagger to test API endpoints.
  • Familiarity with Entity Framework, PostGreSQL, and possibly Microservices.
  • Ability to work independently and structure your own time with minimal oversight.
  • Strong communication skills; comfortable working remotely and in person.
  • Enthusiastic about new challenges in backend development.

Benefits

  • Be part of a small, dedicated team in a fun and friendly work environment where everyone is equal.
  • Gain real-world work experience and tackle exciting challenges that make a difference.
  • Receive excellent recommendations and support for your future career moves.

How to Apply

  • Please note: This is an UNPAID volunteer opportunity.

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LifeBonder logo

LifeBonder

IT

Why We are going against the narrative to battle loneliness and the negative impact of social media because we want to design a platform to increase the qualit...

Location
Vejle
Employees
11-50 employees
Website
www.lifebonder.com