Johan Teleman
Founder at Ready Code Go AB
Lund, Skåne County, Sweden
Summary
🤩
Rockstar🎓
Top SchoolJohan Teleman is a founder and seasoned software engineer with 12 years of experience building backend systems, databases, and product-led startups from Lund, Sweden. He combines hands-on work as a backend/database engineer—contributing performance and query-optimization improvements to the flagship open-source Neo4j graph database—with leadership roles including R&D lead and CTO. Johan has moved between research and industry (PhD work at Lund University) and practical product delivery, co-founding Emission Twin and now leading Ready Code Go AB as a freelance architect and CTO. Known for squeezing latency and robustness out of core database components, he blends deep systems-level expertise with startup-level product and operational instincts.
12 years of coding experience
9 years of employment as a software developer
Master's Degree, Engineering Physics/Applied Physics, Master's Degree, Engineering Physics/Applied Physics at The Faculty of Engineering at Lund University
English, Swedish
Github Skills (13)
performance-tuning10
data-structures10
javas10
databases10
query-optimization10
graph-database10
data-structure10
java10
database10
api-design9
index-management9
params9
testing8
Programming languages (7)
Github contributions (5)
neo4j/neo4j
Jun 2016 - Jul 2020
Graphs for Everyone
Role in this project:
Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:1881 commits, 408 PRs, 272 pushes in 4 years 1 month
Contributions summary:Johan's commits focus on enhancing the performance and functionality of the Neo4j graph database. They implemented features related to query statistics collection, parameter handling, and efficient data retrieval, particularly for relationship-based queries. The contributions span code changes across the core database components, including modifications to indexing mechanisms and optimization of query execution. The user also improved aspects of error handling.
neo4j-databasedirected-acyclic-graphnosqlgraphsdatabase
fickludd/taxlink
Sep 2015 - Aug 2017
Contributions:3 releases, 10 pushes, 1 branch in 1 year 11 months
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