Oskar Hane
Senior Staff Software Engineer at Neo4j
Linköping, Östergötland County, Sweden
Summary
🤩
Rockstar🎓
Top SchoolOskar Hane is a Senior Staff Software Engineer based in Borås, Sweden, with over a decade of hands-on experience shaping developer-facing tools at Neo4j and running his own consultancy, Hane Labs. He blends deep back-end expertise in graph databases and JavaScript (notably refactoring the neo4j JavaScript Bolt driver and contributing to Neo4j Browser and GraphQL tooling) with full‑stack product sensibilities that drove modern, user-friendly database UIs. At Neo4j he influences technical vision, architects complex features—especially around integrating generative AI and LLMs with graph tech—and mentors teams to deliver monthly releases of polished developer tooling. A pragmatic, stoic engineer and occasional founder, he routinely moves between prototypes and production, optimizing build systems, CI, and developer workflows to make complex systems feel simple.
13 years of coding experience
18 years of employment as a software developer
StierneskolanMasters of Science, Telecommunications Engineering, Masters of Science, Telecommunications Engineering at Linköpings Universitet
English, Swedish
Stackoverflow
1,844reputation
257kreached
65answers
3questions
neo4j
top-5%
cypher
top-5%
Github Skills (57)
babel610
javascript10
develop10
python10
back-end-development10
langchain10
ui-components10
es6-promise10
databases10
gulp10
typescript10
styled-components10
web-components10
ui-design10
graph-database10
Programming languages (13)
Github contributions (5)
neo4j/neo4j-browser
Aug 2014 - Sep 2021
Neo4j Browser is the general purpose user interface for working with Neo4j. Query, visualize, administrate and monitor the database.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:27 releases, 91 reviews, 2336 commits in 7 years 2 months
Contributions summary:Oskar primarily contributed to the development of the Neo4j Browser UI, making changes to both front-end and back-end components. Their work included refactoring code and updating tests after refactoring, adapting to new syncManager components, styling and refactoring parts of the front end UI (like the guides, help, database and sidebar) and the addition of features for user authentication, graph visualization, and database information display. A key area of their focus was the improvement and refactoring of the editor UI and related features, while also addressing issues related to the underlying data structures.
administratedatabaseneo4jneo4j-browsergraph-app
docker/genai-stack
Oct 2023 - Sep 2024
Langchain + Docker + Neo4j + Ollama
Role in this project:Backend Developer
Backend DeveloperContributions:6 reviews, 23 PRs, 23 pushes in 11 months
Contributions summary:Oskar primarily focused on enhancing the backend functionality of the `genai-stack` repository. Their contributions included incorporating Ollama embeddings and configuring the application to support various embedding models, like OpenAI and SentenceTransformer. They made critical adjustments to vector index dimensions for Ollama and Llama2, alongside modifying environment variables for base URLs. They also made additions to the API, including the generation of internal tickets.
dockerlangchainneo4jollama
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