Erik Hennerfors
Software Engineer at Obscured
Örebro, Sweden
Summary
🤩
Rockstar🎓
Top SchoolErik Hennerfors is a seasoned software engineer with 11 years of professional experience building full-stack web systems, primarily in .NET (C#), ASP.NET Core/MVC, React and complementary languages like Ruby and Python. Based in Örebro, Sweden, he blends hands-on development with system architecture and DevOps responsibilities at laget.se, and runs a long-standing hosting and network operations practice where he designs secure, hardware-aware networks using pfSense, Cisco, Juniper and observability tooling. He has a pragmatic background scaling backend systems (notably shipping large scheduling integrations at Quinyx) and maintains open-source contributions such as adding JSON export and backend caching support to the sqlpad SQL editor. Comfortable across databases from MongoDB to PostgreSQL and with a strong grasp of network and hardware layers, he often bridges infrastructure and application boundaries to deliver reliable, production-ready services. Known for digging into underlying systems, Erik brings a blend of operational discipline and curious engineering that surfaces useful, non-obvious improvements.
11 years of coding experience
15 years of employment as a software developer
Technical Preparatory, Technical Preparatory at Örebro UniversityComputer Science, High school, Computer Science, High school at Tullängsskolan
English, Swedish
Stackoverflow
27reputation
12kreached
1answer
7questions
Github Skills (19)
json10
javascript10
web-development10
react10
expressjs9
sql9
nodejs9
database8
databases8
fileio8
file-operations8
filesystem8
console-application6
asp-net6
autofac6
Programming languages (13)
Github contributions (5)
sqlpad/sqlpad
Nov 2019 - Dec 2019
Web-based SQL editor. Legacy project in maintenance mode.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:15 commits, 15 PRs, 11 pushes in 1 month
Contributions summary:Erik primarily contributed to enhancing the web-based SQL editor by implementing JSON download functionality. This involved adding new routes and UI elements for downloading query results in JSON format, alongside existing CSV and XLSX options. They also made modifications to the backend result caching mechanisms to support JSON file generation, and incorporated these changes across multiple files, impacting both the client and server-side code.
sap-hanaverticaodbcsql-editorsql-server
laget-se/laget.Quartz
May 2021 - Oct 2024
A generic implementation of Quartz, an open-source job scheduling system for .NET...
Contributions:87 pushes, 4 branches, 1 comment in 3 years 5 months
dotnetschedulingscheduled-tasksgenericjob
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