Highlights of this job:

• Company: Watermelon

• Core: (Generative) AI agents / chatbots / B2B SaaS

• Role: Backend developer

• Responsibilities: You develop and optimize scalable secure backend systems to power AI Agents and integrate seamlessly with external platforms.

• Location: Utrecht / Hybrid

• Hours: 40 hours

• Salary:dependent on your experience

• Start Date: 1st of December/1st of January 2025

• Work environment: Work in a team in an innovative environment where hard work and fun go hand in hand!

About the job

As a Back-End Developer at Watermelon you are responsible for developing and maintaining the server-side of Watermelon. You work closely with the Front-End team to implement functionality and integrate it with the user interface. You take pride in the quality of your code and are open to feedback from the team.

About our software:

Watermelon helps businesses automate their customer service with powerful AI just minutes you can scan your website upload documents and integrate tools to reduce customer service workload. Watermelon makes customer service more efficient and improves customer satisfaction through smart automation.

What you going to do

• Build and maintain backend systems that power AI Agents using OpenAI LangChain LangGraph and LangSmith

• Design and optimize vector databases and semantic search pipelines with Pinecone.

• Deploy and manage servers in Google Cloud ensuring performance reliability and cost efficiency.

• Working in GitHub and writing automated tests to ensure high code quality.

• Assisting colleagues and yourself through pull requests code reviewing and pair programming.

• Monitoring platform performance and analyzing ways to enhance it.

• Contemplating technical choices such as architecture tools and processes.

Who we are looking for:

• You are openminded and remain hungry to learn more about your job

• You must already have the legal right to work in the EU as we cannot support relocation from outside the EU or visa sponsorship.

• Experienced in Go Python

• Experienced in database NoSQL or Relational (MySQL MongoDB Google Firestore PostgresSQL)

• Experienced in frameworks

• Cloud experience

• You are proficient in English

• Front-End experience is a plus.

• You have at least 3-5 years of experience as a Back-End Developer.

• You have worked in a B2B SaaS environment before

• You hold a Bachelors degree such as in Computer Science.

• You are enthusiastic to work in an international environment.

What we offer:

• A flexible work policy and working in Utrecht ideally you also live near Utrecht

• Travel allowance pension plan and a budget for personal development

• 25 vacation days and a budget to set up your workspace.

• A culture focused on growth and development

• The opportunity to contribute to a fast-growing international startup in the AI industry

• Room for new initiatives and idea

• A friendly work atmosphere with colleagues you can laugh with and participate in events and team activities

Apply for the job

Do you want to join our team as our new Senior Backend Developer Then wed love to hear about you!

ps. were not looking for freelancers for this role