Development
MultiThread-Proxy
A high-performance, asynchronous reverse proxy built in C++ to optimize Node.js microservice clustering.
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Siegfried Muller
VerifiedOpen to Work
Senior Backend Developer & Systems Architect
Senior Backend Developer based in Cork with 9 years of experience building high-throughput APIs and distributed systems using Python, C++, and Node.js.
Cork, Ireland · GMT / IST (Irish Standard Time)9+ YearsSeasonal / Remote / Contract$90.00 USD / hr
Core Skills
DevelopmentAutomationPythonC#C++JavaNode.js
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About
Currently serving as Lead Systems Architect at AetherVoxel Technologies in Cork, where I architect high-performance API orchestration platforms handling over 15 million daily data exchanges. In this role, I lead a distributed engineering team to build low-latency, containerized microservices that optimize core cloud infrastructure and drive system reliability.
Featured Work
Skills
PythonC#C++JavaNode.jsAPI ManagementKubernetesDockerAWSPostgreSQLRedisGitHub ActionsSaaSAutomotive TechFintechDistributed SystemsPerformance TuningAPI ArchitectureAWS Certified Developer – AssociateCertified Kubernetes Administrator (CKA)
Experience
2022
Lead Systems Architect
AetherVoxel Technologies
Architected and managed the core API orchestration platform for an enterprise mesh network, scaling to handle 15M+ internal data exchanges daily. Redesigned a bottlenecked data-ingestion pipeline using a hybrid C++ and Python framework, reducing processing overhead by 40% and cutting cloud compute costs. Led a distributed squad of 6 backend engineers across Dublin and Cork to enforce strict CI/CD and automated integration testing standards.
DevelopmentAutomationPythonC#C++
2017 - 2022
Senior Backend Engineer
KinetikCore Systems GmbH
Developed low-latency telemetry microservices and data-syncing infrastructure using C++ and Java for industrial IoT automation arrays. Spearheaded the migration of a massive monolithic data pipeline into a containerized, auto-scaling Kubernetes cluster, cutting deployment downtime to zero. Optimized high-concurrency Node.js microservices interacting with critical PostgreSQL and Redis database layers.