Senior Backend Developer Ruby - mfd

Job summary

We are looking for a Senior Backend Developer to join our new cuttingedge venture: AI Business travel assistant (more about Swifty below).

Stellenbeschreibung

We are seeking a highly skilled and experienced senior backend developer to join our exciting startup and take the lead in building our LLMbased startup from the MVP.

As the first fulltime developer on the team you will have the opportunity to make a significant impact and shape the future of our company. We are backed by Lufthansa Innovation Hub providing a strong foundation for growth and success.

This position offers the possibility to join as a permanent employee after freelancing providing longterm stability and the chance to grow with the highly ambitious startup.

This is a freelance opportunity with the possibility of turning into a permanent role.

Anforderungsprofil

The Stack

• Ruby on Rails backend with Sorbet for type checking
• Python and Langchain for LLM flows
• Postgres database
• Terraform for managing AWS infrastructure
• Bonus: Amazon Web Services (RDS ECS Lambda Cloudwatch)
• Bonus: TypeScript React

How we work

• Hybrid setup or remote with some travel to HQ in Berlin
• For complex features write a design doc before coding
• All code goes through code review reviews are split out evenly across the team
• We use Tuple for pair programming
• We use Slack for async communication

Requirements

• A keen interest or realworld experience in building LLM applications ideally using Langchain.
• Track record of shipping products across the entire stack. Youre not afraid to pick up new languages or tools as required.
• You understand when to ship quickly to validate a concept vs moving deliberately to avoid trapdoor decisions.
• Experience integrating complex thirdparty APIs
• Able to handle ambiguity and can push projects forward even when there is not a clear best path
• You can manage yourself but you also work well with others
• Fluent English and good communication skills

About us

About Swifty & Lufthansa Innovation Hub

Swifty is the first autonomous AI tool in the travel industry that has already generated first revenue and was recognized by multiple media outlets and startup awards. Swifty was incubated at the Lufthansa Innovation Hub and is transitioning into a founderled independent company. We transform the timeconsuming and fragmented business travel booking process into a fast and efficient experience. The AIbased assistant autonomously manages essential steps of business travel encompassing planning booking payment and invoicing all within the chat interface.

• Swifty has engaged >1500 users and was recognized by multiple German and International media outlets including Welt Tagesspiegel Handelsblatt Frankfurter Allgemeine Zeitung Phocus Wire
• At Lufthansa Innovation Hub were pioneering the future of travel for the Lufthansa Group the industry but most importantly for everyone who travels
• Lufthansa Innovation Hub identifies market shifts and translates them into new business opportunities in the travel sector by building a valuable portfolio of travel companies and products

Diversity disclaimer

At LIH we are super committed to fostering an environment that promotes diversity and inclusivity. We do not discriminate in employment on the basis of factors irrelevant to merit qualifications or business need such as age race color sex sexual orientation gender identity marital status disability medical status or any other status covered by the relevant law in the areas where we operate.