Senior Ruby on Rails Developer - AI Focus (f/m/d)

Lanes & Planes; Deutschland; Hybrid; EUR 70,000 - 110,000; Full time

Benefits offered by this job

MacBook

Munich office access

Async communication

Job summary

Lanes & Planes is seeking a Senior Ruby on Rails Developer to advance our SaaS platform for customers and internal teams. You will work across Rails codebases, collaborating with product and other developers to deliver features and improve the platform.

You will own projects end-to-end, apply Agentic AI throughout the lifecycle, and contribute to a customer-centric product in a startup/scale-up environment. Munich office or remote work options support flexible collaboration.

Qualifications

• Several years of professional experience with Ruby on Rails in backend or full-stack roles.
• Strong ownership of projects with structured project ownership.
• Experience with Agentic AI across the development life-cycle.
• At least 4 years at a senior level with expert Rails knowledge.
• Customer-facing experience in start-up/scale-up and a user-centric mindset.
• Clear, effective communication and end-to-end thinking.

Responsibilities

• Work on Ruby on Rails projects with responsibility and project management.
• Use AI as a key part of daily development and develop internal tools.
• Develop customer-facing app and internal tools with customer orientation and holistic thinking.
• Develop, test and deploy code with your Team Lead and collaborate with Product, applying problem-solving and communication.
• Work iteratively and deploy often.

Skills

Ruby on Rails

Backend/Full-stack

Project ownership

Agentic AI

Senior experience

Rails ecosystem

User-centric approach

Communication

Ownership

End-to-end thinking

Job description

At Lanes & Planes, we are a lean, pragmatic, and fun team of developers who value good communication, responsibility, learning, teamwork, and developer happiness. We’re not fans of bureaucracy, buzzwords, or unnecessary meetings. Instead, we prioritize collaboration, mutual respect, and a commitment to producing high-quality code. If this resonates with you, we’re excited to welcome you as a Senior Ruby on Rails Developer!

Your Position

As a Senior Ruby on Rails Developer, you will be working in our Ruby on Rails codebases to improve our SaaS platform for both our customers and our internal teams. You will work both independently and with other developers to implement a range of new features, in close collaboration with our Product team.

Your everyday work routine

• Work both individually and in collaboration with other engineers on our Ruby on Rails projects, demonstrating a strong sense of responsibility and effective project management
• Use AI as a key part of your daily development practice, and take an active role in developing our internal development tools.
• Develop our customer-facing application, as well as internal management tools, with a clear focus on customer orientation and holistic thinking
• Develop, test and deploy your code, with the support of your Team Lead, and in close collaboration with our Product, applying strong problem-solving ability and clear communication skills.
• We work iteratively and deploy often.

Your Profile

• You have several years of professional experience working in Ruby on Rails in backend or full-stack roles, and have already gained varied project experience, ideally with structured project ownership
• You have experience and working with Agentic AI across the entire development life-cycle
• You worked at least for 4 years at a senior level, and have an expert-level knowledge of the entire Rails ecosystem, paired with a solution-oriented mindset
• You ideally have experience working in a start-up/scale-up, on a customer-facing application, and bring a pronounced user-centric approach
• You are known for your clear and effective communication style, take ownership of your work, and are able to understand complex systems through end-to-end thinking

What you can expect

• You will be equipped with the latest MacBook of your liking
• We respect your time and keep our meetings to a minimum, preferring async communication where possible
• You work with an international team, with whom you can regularly exchange ideas in our Munich office or remote
• Flat hierarchies and quick decisions
• Mature approach to AI tooling across the company
• Creative freedom and active participation in building our company