Elias Sundqvist

·Full Stack & AI

SWEDEN · FULL STACK · AI · OPEN SOURCE

Get in touch

[ 01 ] EXPERIENCE

YEARS

BUILDING

AI PRODUCTS

LLMs · agents · RAG · evals — shipped to real users

[ 02 ] CRAFT

YEARS IN

SOFTWARE

DEVELOPMENT

M.Sc.

Complex Adaptive Systems

CHALMERS UNIVERSITY OF TECHNOLOGY · 2017 — 2022

2016 — 2021 · 6 SUMMERS

Software Developer

TIBCO Spotfire · Unfors RaySafe

Hierarchical → tabular data conversion system
Test frameworks across databases · Amazon Redshift support
RaySafe: sensor calibration control (C#/WPF) · ORM permission manager

HIERARCHICAL → TABULAR

JAN — OCT 2022 · MASTER’S THESIS

Machine Learning Engineer

Syntronic Research & Development

Deep learning models for sequence classification
Bayesian hyperparameter optimization over architectures & augmentation

BAYESIAN OPTIMIZATION · CLICK TO SAMPLE

JUL 2022 — JUL 2024 · REMOTE

Full Stack Engineer

& AI Backend Developer · Knowy (BrainXpand)

Built the product from early stage
LLM pipelines → structured knowledge from document collections
React frontend · Google Cloud Run · n8n · hiring

JAN 2025 — NOW · GOTHENBURG CURRENT

AI Team Lead

MindArk · Project Celest

AI agent system for the game economy & items
Custom harnesses around Claude Code & Codex
AI tools non-technical teams rely on daily

PROJECT CELEST · MINDARK

AI agents thatanalyze thegame economy.

…and support internal decision-making, and dynamically adjust in-game content.

DRAG THE NODES ↗

Custom harnesses aroundClaude Code & Codex.

celest — harness

ADMIN · CONVERSATION AUDIT

REVIEWED
FLAGGED
FEEDBACK
REVIEWED

+ USAGE & ISSUES MONITORED IN GRAFANA

AI TOOLS NON-TECHNICAL TEAMS RELY ON DAILY

ECONOMYCOMMUNITY MANAGEMENTSUPPORT

KNOWY · BRAINXPAND · 2022 — 2024

Documents → entities & relationships

ILLUSTRATIVE ROUTING · PICK A QUESTION

Routed across SQL, graph & vector stores — by question.

31 TOOLS · ONE STACK

OPEN SOURCE

Community-sponsored on GitHub.

elias-sundqvist /

obsidian-annotator

PDF & EPUB annotation plugin for Obsidian

0STARS

elias-sundqvist /

obsidian-react-components

React / JSX components inside Obsidian notes

0STARS

COMMUNITY

AI Safety Gothenburg

Facilitated courses on technical AI alignment.

MUSICIAN

choir, piano, guitar,
clarinet & drums.

01Understand the problem.
02Ship the feature.
03Keep improving it.

Elias Sundqvist

Product Software Engineer · Full Stack & AI

Email me