SKILLS & SYSTEMS
From codeto real impact.
Build technical foundations into reliable, scalable products and services — from local development to global impact.
Bjarni Kristján Leifsson
Technical Leader · Platform & DevOps · Product
“Ideas are easy. Making them real is the interesting part.”Bjarni Kristján Leifsson
- BuildSolutions
- EnablePeople
- CreateLasting Impact
- Ideas
- Systems
- People
- Impact
SAME GUYMORE IDEASBIGGER IMPACT
Core Skills & Tools
Building at the intersection of software, infrastructure and real-world solutions.
- C# / .NET
- TypeScript
- JavaScript
- React
- Angular
- Node.js
- Python
- Java
- C / C++
- ASP.NET
- SQL / MySQL
- PostgreSQL
- MongoDB
- Docker
- GitLab CI
- Git
- Puppet
- VMware
- Linux / Unix
- Windows
- Jira / Confluence
- Agile / Scrum
- GIS / Geospatial
- MATLAB
- Rust / Solana
- Turn complex problems into practical solutions.
- Follow how value is created — finance, markets and product.
- Learn from the human body, the system nobody had to design.
- Explore crypto and decentralised systems, where the rules are provable.
- Bridge technology, nature and people.
- Build for a more sustainable future.
Capability
What the work demonstrates.
Technology lists age badly and prove little on their own. These are the capabilities the projects actually evidence — the tools sit underneath each one.
Software Engineering
Backend, web, mobile, APIs, databases, architecture, scientific software.
C#.NET CoreNode.jsReactAngularTypeScriptPythonSQLJavaC/C++EvidenceActy · Vera · TREMV · TOS
Platform & DevOps
CI/CD, deployments, infrastructure, production reliability, automation.
DockerGitLab CIPuppetVMwareLinuxNginxPM2EvidenceDTE
Systems Architecture
Real-time monitoring, distributed components, operational systems, security.
Real-time processingEvent-driven designState machinesPDAs / on-chain stateEvidenceTREMV · SolGig · Vera
Data & Monitoring
Seismic streams, GIS, environmental data, ML, multidimensional data.
SQLMySQLPostgreSQLMongoDBPostGISMATLABSignal processingEvidenceTREMV · Icelandic Water Viewer · M3 · Cardiovascular ML
Infrastructure & Operations
Linux, servers, networking, tooling, monitoring, vendors, procurement.
LinuxUnixWindowsVMwareMonitoringBackup & continuityEvidenceDTE · Icelandic Meteorological Office
Security
Authentication, authorization, SSL, wallet security, escrow invariants.
JWTOpenSSLWallet authAccess controlDatabase permissionsEvidenceSolGig · Vera
Product Engineering
Requirements → UX → architecture → implementation → operations.
Product designDomain modelingMapsMobile workflowsEvidenceActy · Flight Incident Reporting
Research & Innovation
Scientific software, UX research, machine learning, data modeling.
Research methodsStatisticsMachine learningPrototypingEvidenceTREMV / Rannís · MSc thesis · Hack the North · M3
Technical Leadership
Supervision, DevOps leadership, architecture, documentation, stakeholder communication.
Technical PMDocumentationRisk identificationAgile / ScrumTeachingEvidenceDTE · TREMV · Reykjavík University · RUMPS
Business & Operations
Vendor coordination, cost awareness, procurement, product strategy.
Vendor managementProcurementBilling oversightCorporate financeEvidenceDTE · Acty
Full Stack
Everything, grouped.
Programming languages
CC++C#JavaPythonMATLABJavaScriptTypeScriptFrameworks
ASP.NET.NET CoreNode.jsReactAngularDatabases
SQLMySQLPostgreSQLPostGISMongoDBInfluxDBSQLiteTools
GitLabGitJiraPuppetConfluenceDockerVMwareScrumAgileOperating systems
UnixLinuxWindowsBusiness & delivery
ManagementStrategic thinkingProblem solvingTechnical project managementVendor & procurementFocus areas
OperationsOptimizationInnovationFinanceTechnology
Engineering foundation
Where it was learned.
Computer science
AlgorithmsData structuresOperating systemsComputer architectureNetworksSoftware engineering
ArchitectureRequirementsTestingWeb servicesAdvanced software engineeringData & intelligence
AIMachine learningBig dataDatabasesStatisticsEngineering & business
Project managementEngineering managementCorporate financeEntrepreneurshipOperations research
- 10+
- Years in tech
- 8
- Public projects
- Scalable
- Systems & Infrastructure
- Real Impact
- In the Real World