Ernő N.-Senior Software Engineer
Check rate
Experience
Senior Software Engineer
xRealm
- Built a cross-platform AI-based mobile application featuring chat and image-generation capabilities with multiple subscription models.
- Architected an internal framework to integrate diverse AI models, led the mobile-app development team, and collaborated closely with the designer to deliver a polished UX.
Co-Founder / Senior Software Engineer
CypherBlk
- Reduced initial smartwatch diagnostic processing time from 9 to under 1.5 minutes by implementing and optimizing algorithms and UX for Android and Apple watches.
- Launched TimeShield, architecting desktop (Qt/C++), mobile (Java/Android), and watch-app integrations via RESTful APIs for secure erasure and diagnostics, securing 100K+ device erasures.
- Designed modular architecture and implemented concurrent, multithreaded programming with intuitive UI/UX.
Senior Software Engineer (Contractor)
LoxTop
- Implemented a Xamarin (C#) mobile app enabling seamless remote cabinet control.
- Built cross-platform mobile and desktop solutions using .NET, refactoring legacy features.
Senior Software Engineer (Contractor)
Securaze
- Led R&D for a modular software suite providing secure data erasure and device diagnostics across SSDs and mobile devices, supporting Windows, macOS, Linux, Android, and iOS.
- Developed web frontends, backends, desktop, and mobile applications using Qt/C++, Java, Objective-C, and QML to ensure a unified user experience.
Scrum Master
Chemaxon
- Introduced Scrum to two newly formed SRE teams, establishing agile ceremonies and workflows that enhanced productivity and cross-team collaboration.
- Facilitated sprint planning, daily stand-ups, retrospectives, and impediment removal to accelerate delivery cycles.
C++ Software Engineer & Scrum Master
Unify (Formerly Siemens Enterprise Communications)
- Ported a legacy VoIP embedded application from Windows to Linux, modernizing the C++ codebase and improving system reliability.
- As Scrum Master, increased team delivery velocity by embedding agile methodologies across cross-functional teams.
- Designed and implemented new features for a time-critical, multiline call-handling system, resolving memory corruption issues and enhancing performance.
Software Engineer
- Built a recommendation engine to analyze customer purchase patterns and suggest relevant products.
- Integrated the model with the live site, driving a 50% increase in sales within six months.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Telecommunication, Biotechnology, and Pharmaceutical.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Product Development, Information Technology, Research and Development, and Project Management.
Summary
Results-driven Software Engineer & Co-Founder with 10+ years of experience in cross-platform desktop, mobile, and web development. Proven ability to lead agile teams, architect modular frameworks, and integrate AI to deliver revenue-generating products on time. Passionate about leveraging cutting-edge technologies to create high-impact digital solutions and drive innovation in both AI and legacy modernization.
Skills
C++
C
Go
Java
Javascript (Es6+)
Python
C#
Sql
Qt
Boost
Node.Js
Nestjs
React.Js
React Native
Expo
Express
Tensorflow
Pytorch
Flask
Libimobiledevice
Openai Api
Grok Api
Langchain
Postgresql
Mongodb
Mysql/Mariadb
Microsoft Sql Server
Sqlite
Git
Github
Gitlab
Docker
Docker Compose
Kubernetes
Jenkins
Github Actions
Gitlab Ci
Jira
Confluence
Cmake
Qmake
Visual Studio
Vs Code
Qt Creator
Android Studio
Xcode
Gcp
Azure
Aws
Firebase
Cursor
Claude
Perplexity
V0
Google Notebook
Google Ai Studio
N8n
Windows
Linux
Macos
Agile (Scrum & Kanban)
Test-Driven Development
Continuous Integration & Deployment (Ci/Cd)
Code Review & Pair Programming
Modular & Microservices Architecture
Security Best Practices (Static Analysis, Owasp)
Languages
Education
Óbuda University
Bachelor of Science in Military and Safety Engineering · Military and Safety Engineering · Budapest, Hungary
Certifications & licenses
CS50: Introduction to Computer Science
Harvard University
Sprint Consulting
Go: The Complete Developer’s Guide (Golang)
Udemy
Introduction to Computer Science and Programming
MITx (edX)
Software as a Service
BerkeleyX (edX)
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Ernő is based in Békéscsaba, Hungary and can operate in on-site, hybrid, and remote work models.
Ernő speaks the following languages: Hungarian (Native), English (Advanced), German (Elementary).
Ernő has at least 13 years of experience. During this time, Ernő has worked in at least 5 different roles and for 6 different companies. The average length of individual experience is 2 years and 2 months. Note that Ernő may not have shared all experience and actually has more experience.
Based on recent experience, Ernő would be well-suited for roles such as: Senior Software Engineer, Co-Founder / Senior Software Engineer, Senior Software Engineer (Contractor).
Ernő's most recent position is Senior Software Engineer at xRealm.
In recent years, Ernő has worked for xRealm, CypherBlk, LoxTop, and Securaze.
Ernő is most experienced in industries like Information Technology, Telecommunication, and Biotechnology. Ernő also has some experience in Pharmaceutical.
Ernő is most experienced in business areas like Product Development, Information Technology, and Research and Development. Ernő also has some experience in Project Management.
Ernő has recently worked in industries like Information Technology.
Ernő has recently worked in business areas like Product Development, Research and Development, and Information Technology.
Ernő holds a Bachelor in Military and Safety Engineering from Óbuda University.
Ernő has 5 certificates. Among them, these include: CS50: Introduction to Computer Science, Certified Scrum Master, and Go: The Complete Developer’s Guide (Golang).
The availability of Ernő needs to be confirmed.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 7 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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