Job VC
Senior Ruby on Rails Backend Developer — AI Integrations
Technologies
Description
Workload:
Full-time
Format:
Remote, for candidates based within ±2 hours of Berlin, Germany time zone
Hiring stages
Recruiter interview
Technical interview
Client CTO interview
Test assignment
Final interview
We are looking for a
Senior Ruby on Rails Backend Developer
who will focus on building and integrating AI-powered features into a mature Ruby on Rails product.
This role is a strong fit for someone with strong backend engineering experience, solid Ruby on Rails skills, and practical experience working with AI-related product functionality.
You should be comfortable working with complex product logic, APIs, data flows, permissions, and integrations, while also being able to contribute to frontend parts of the product when needed.
This is not an AI research role. The focus is on applying AI capabilities within a real product environment, including features such as MCP server integrations, semantic search, API scopes, and other AI-related product improvements.
About the project
You will join a mature, long-term open-source project with an established codebase and real users worldwide. The product is related to project management and collaboration, with a strong focus on transparency, maintainability, usability, security, and continuous product improvement.
The engineering team includes 30+ experienced developers working remotely and collaboratively on a product with high visibility in the open-source community.
What you will work on
Build and integrate AI-powered features into a Ruby on Rails product
Work on AI-related integrations such as MCP servers, semantic search, API scopes, and similar functionality
Design and implement secure, maintainable, and scalable backend logic
Contribute to the frontend parts of product features when needed
Work with APIs, permissions, data access, and integration flows
Translate AI-related product ideas into reliable technical solutions
Ensure that new functionality is well-tested, performant, and maintainable
Collaborate with product and engineering teams on technical decisions
Identify risks, edge cases, and security considerations in AI-related features
Communicate clearly in a remote and asynchronous engineering environment
We are looking for someone who has
7+ years
of experience in software development
Upper-Intermediate English
or higher for day-to-day communication
Strong experience with
Ruby on Rails
Hands-on experience building AI-augmentation systems, such as MCP servers or RAG knowledge bases
Hands-on experience working with
AI APIs,
LLM-powered
functionality, or similar AI-related integrations
Experience with search, semantic search, indexing, or knowledge-retrieval functionality
Solid backend engineering skills and the ability to work with complex product logic
Good understanding of APIs, integrations, permissions, and data flows
Experience building scalable, secure, and maintainable product features
Ability to work independently and make thoughtful technical decisions
Experience owning features or projects from concept to production
Interest in open-source software development
Nice to have
Experience with frontend technologies such as Hotwire, Angular, React
Experience working with public repositories or transparent development processes
Full-time
Format:
Remote, for candidates based within ±2 hours of Berlin, Germany time zone
Hiring stages
Recruiter interview
Technical interview
Client CTO interview
Test assignment
Final interview
We are looking for a
Senior Ruby on Rails Backend Developer
who will focus on building and integrating AI-powered features into a mature Ruby on Rails product.
This role is a strong fit for someone with strong backend engineering experience, solid Ruby on Rails skills, and practical experience working with AI-related product functionality.
You should be comfortable working with complex product logic, APIs, data flows, permissions, and integrations, while also being able to contribute to frontend parts of the product when needed.
This is not an AI research role. The focus is on applying AI capabilities within a real product environment, including features such as MCP server integrations, semantic search, API scopes, and other AI-related product improvements.
About the project
You will join a mature, long-term open-source project with an established codebase and real users worldwide. The product is related to project management and collaboration, with a strong focus on transparency, maintainability, usability, security, and continuous product improvement.
The engineering team includes 30+ experienced developers working remotely and collaboratively on a product with high visibility in the open-source community.
What you will work on
Build and integrate AI-powered features into a Ruby on Rails product
Work on AI-related integrations such as MCP servers, semantic search, API scopes, and similar functionality
Design and implement secure, maintainable, and scalable backend logic
Contribute to the frontend parts of product features when needed
Work with APIs, permissions, data access, and integration flows
Translate AI-related product ideas into reliable technical solutions
Ensure that new functionality is well-tested, performant, and maintainable
Collaborate with product and engineering teams on technical decisions
Identify risks, edge cases, and security considerations in AI-related features
Communicate clearly in a remote and asynchronous engineering environment
We are looking for someone who has
7+ years
of experience in software development
Upper-Intermediate English
or higher for day-to-day communication
Strong experience with
Ruby on Rails
Hands-on experience building AI-augmentation systems, such as MCP servers or RAG knowledge bases
Hands-on experience working with
AI APIs,
LLM-powered
functionality, or similar AI-related integrations
Experience with search, semantic search, indexing, or knowledge-retrieval functionality
Solid backend engineering skills and the ability to work with complex product logic
Good understanding of APIs, integrations, permissions, and data flows
Experience building scalable, secure, and maintainable product features
Ability to work independently and make thoughtful technical decisions
Experience owning features or projects from concept to production
Interest in open-source software development
Nice to have
Experience with frontend technologies such as Hotwire, Angular, React
Experience working with public repositories or transparent development processes