Senior AI Engineer

Clera

Stockholm, Sweden

On-site

Who this role is best for

Aimed at senior backend engineers with AI/LLM expertise who thrive in fast-paced, small startup teams.

Best fit for

Senior backend engineers with a history of shipping scalable systems in AI-driven environments
— “building scalable backend systems and services that can scale reliably”
Individuals with a proven ability to take ownership of technical challenges in early-stage startups
— “high degree of ownership and motivation to work in an early-stage team”

Things to consider

On-site presence in Stockholm is required, with possible relocation for non-local candidates
— “This is an on-site role in Stockholm, Sweden. Relocation may be necessary”
No visa sponsorship is available, so only legally eligible candidates in Sweden can apply
— “Visa sponsorship is not available, and candidates must be legally eligible”

How to stand out

Highlight specific production optimizations you've made with LLMs and AI agents in your resume
— “hands-on experience improving LLM integrations and AI agent workflows in production”
Showcase your ownership of technical challenges through concrete examples in your portfolio
— “take ownership of meaningful technical challenges across the product”
Emphasize your experience in startup environments with a focus on speed and adaptability
— “Experience in a fast-growing startup environment is preferred”

Pace · Fast PacedCollaboration · MediumAutonomy · HighDecision Impact · Individual

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

design, build, and maintain backend systems and services
optimize LLM integrations and AI agent workflows

Typical background

8 to 10 or more years of relevant engineering experience

Skills & requirements

Required

Backend EngineeringLLM IntegrationsAI Agent WorkflowsLLM And AI Agent OrchestrationBuilding Scalable SystemsCoding And Shipping Software

Preferred

Fast-growing Startup ExperienceHigh Degree Of Ownership

Stack & domain

Backend EngineeringLLM IntegrationsAI Agent WorkflowsOwnershipCuriosityAIProductivity Software

About the role

Original posting from Clera via Ashby

ABOUT THE ROLE
Join a small, fast-moving team at a seed-stage AI productivity software startup. You will tackle two core challenges: building scalable backend systems and improving the LLM and AI agent workflows that power the product.
WHAT YOU'LL DO
Design, build, and maintain backend systems and services that can scale reliably.
Optimize LLM integrations and AI agent orchestration to improve reliability and efficiency.
Ship software hands-on and take ownership of meaningful technical challenges across the product.
WHAT WE'RE LOOKING FOR
Typically 8 to 10 or more years of relevant engineering experience, with a substantial track record of coding and shipping software.
Strong backend engineering experience, including building scalable systems.
Hands-on experience improving LLM integrations and AI agent workflows in production.
A portfolio of side projects that demonstrates technical depth and sustained curiosity.
Experience in a fast-growing startup environment is preferred, along with a high degree of ownership and motivation to work in an early-stage team.
COMPENSATION & BENEFITS
Base compensation is $80,000 to $120,000 USD annually, plus equity. Compensation and the salary-to-equity mix may be negotiable for exceptionally senior candidates. Visa sponsorship is not available, and candidates must be legally eligible to work in Sweden.
LOCATION
This is an on-site role in Stockholm, Sweden. Relocation may be necessary for candidates currently based elsewhere.

Source: Clera careers (Ashby)