Temelion
Temelion

Fullstack Engineer

Join Temelion, an exciting AI startup, as a Fullstack Engineer. In this role, you will work closely with the co-founders to build the technology stack from the ground up, focusing on both frontend and backend development. You will have the opportunity to implement state-of-the-art AI workflows and integrate the latest developments in foundational AI models. The ideal candidate will have 2-4 years of experience in backend development with Node.js and Typescript, as well as 2+ years of experience in frontend applications with React or Next.js.

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Permanent contract
Paris
A few days at home
Salary: €55K to 70K
Experience: > 2 years
Education: Master's Degree
Key missions

Collaborer avec le propriétaire du produit pour trouver les meilleures solutions techniques et expédier des fonctionnalités de produit à forte valeur ajoutée.

Contribuer et influencer fortement la feuille de route technologique, y compris le backend, le frontend, la base de données et l'infrastructure.

Concevoir, mettre en œuvre et tester des API backend évolutives et des modèles de données, tout en intégrant des modèles d'IA externes ou internes.

Temelion
Temelion

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Questions and answers about the job

The position

Job description

Role

The Fullstack Engineer role offers the successful candidate the opportunity to bootstrap and build the technical stack that will power Temelion’s agentic AI-based platform.

The person in this role will partner closely with the co-founders CTO and CPO to build the Temelion technology stack from the ground up, both in terms of frontend and backend.

This role also provides a unique opportunity to implement state-of-the art agentic AI workflows, tool use and integrate the latest developments of foundational AI models.

Responsibilities

  • Work hand-in-hand with the product owner to find the best technical solutions to ship high-value product features.

  • Contribute and strongly influence the technology roadmap (backend, frontend, database, infrastructure)

  • Design, implement and test scalable backend APIs and data models

  • Deliver exceptional UX maximizing client productivity and ease-of-use

  • Integrate external or in-house AI models

  • Integrate external tool APIs to maximize agent’s performance

  • Ship product increments in rapid, frequent iterations

  • Provide technical support to first customers

Preferred experience

About you

If you’re looking to be one of the first engineers to join a fascinating AI startup project, and want to make a strong impact on the technology roadmap, please talk to us !

The successful candidate shall have a passion for solving hard problems, finding impacting solutions in the presence of complex data, workflows and scalability issues.

Working in an agile, innovative and fast-paced environment is a must, as well as the ability to ship rapid product increments.

Skills required

  • You have at least 2 to 4 years of experience in backend development Node.js and Typescript, with a focus on simplicity, scalability, availability, and performance.

  • You have at least 2+ years of experience working on frontend applications, with React or Next.js.

  • Experience with distributed microservices or serverless architectures is a plus.

  • Experience with LLM APIs (OpenAI, Anthropic, Mistral, etc.) is a plus.

  • Experience with developing and deploying a product or service on AWS or GCP is a plus.

  • You are a problem solver: you like finding impactful solutions to complex problems

Recruitment process

  • 30-mn preliminary call with Temelion CTO

  • Home technical case study

  • 30-mn call with CPO

  • 30-mn call with CEO

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