Paul A.
Senior Software Developer
Experience
Jan 2023 - Jul 2024
1 year 7 monthsSenior Software Developer
JaMoin GmbH
- Co-led, as part of a two-person team, the modernization of business-critical finance software: migration from legacy Basic to .NET/WPF, made architectural decisions, reduced codebase by ~40-50%, improved performance by ~30-40%.
- Developed greenfield features (file handling, debtor management), optimized DB access and UI rendering, increased system stability and transaction success rate.
- Responsible for end-to-end development: architecture design, code reviews, sprint planning, direct technical contact for stakeholders.
- Technologies: C#, .NET, WPF/XAML (MVVM), MSSQL, Clean Architecture, Visual Studio 2021, Azure DevOps
Jul 2022 - Oct 2022
4 monthsC#/C++ Software Developer
Across Systems GmbH
- Independently handled the frontend redesign of an enterprise translation software (WPF/XAML), improved UX and workflows for more intuitive operation using modern UI components and optimized data integration.
- Worked with an existing C++ backend; increased performance and DB transaction stability through optimized database access and error-handling logic.
- Coordinated remotely with engineers from various projects (desktop/web) and conducted code reviews.
- Technologies: C#, .NET Framework, WPF/XAML, C++ (integration), MSSQL, Azure DevOps, Git
Dec 2020 - Aug 2021
9 monthsFull Stack Software Developer
Deloitte
- Developed an internal HR web application from scratch (greenfield) in a three-person team for structured goal setting between team leads and employees, digitized manual performance review processes.
- Optimized UI/UX for intuitive usability through iterative stakeholder feedback, enabling efficient use without training and increasing user acceptance.
- Led 50% of stakeholder meetings (3-5 participants) for requirements analysis and feature prioritization.
- Planned weekly sprints in Azure DevOps, performed code reviews, pull request management, and unit testing; worked fully remote in an agile environment.
- Technologies: C#, Angular, Visual Studio 2019, Visual Studio Code, Azure DevOps
Aug 2020 - Dec 2020
5 monthsDüsseldorf, Germany
Consultant C# Software Engineer - Team Lead
Alter Solutions Deutschland GmbH
- Led a three-person team in building a cloud-based proposals platform for cybersecurity and pen-testing offers, managed task distribution, technical architecture decisions, and direct reporting to department management.
- Established structured workflows and processes during early company setup, planned strategies, and brought order to cross-functional collaboration between development and security teams.
- Developed and oversaw a software solution to automate client proposals; defined business processes and technical implementation for a scalable Azure platform.
- Technologies: C#, .NET, Azure (App Services, Storage, Functions), REST APIs, Cloud Architecture
Aug 2017 - Aug 2020
3 years 1 monthFullstack C# Software Engineer
Another Monday | Intelligent Automation
- Developed RPA front-end assistance bots with 3,000–4,000 runs per day at an 85–95% success rate; generated ~€72,000/year revenue per bot (€0.05/run) and freed up employee capacity for clients through workflow automation.
- Architected and developed an RPA desktop application from scratch; enabled clients to automate independently and scaled the client base from ~5 to 30+.
- Led 7 engineers during 2 critical update weekends (in the absence of the Product Owner), coordinated maintenance of 32 bot types, and provided direct customer support.
- Responsible for code reviews, sprint planning, pull request management, and remote collaboration in an agile development environment; maintained production-ready bot solutions.
- Technologies: C#, .NET, WPF/XAML (MVVM), UIAutomation, Selenium, MSSQL, Git, Scrum, RPA
Jan 2017 - Mar 2017
3 monthsC# Unity Software Engineer
VUCX - Vision Unltd. Creative Worx GmbH
- Architected, developed, and released an iOS AR app prototype from concept to product; took charge of frontend/back-end development in Unity C# with a focus on intuitive user experience.
- Technologies: C#, Unity, iOS Development, Mobile App Development, AR
Apr 2016 - Jul 2017
1 year 4 monthsC#/C++ Supervisor "Games Programming"
SAE Institute Germany
- Supported games programming students with theoretical and practical questions; supervised practical coding tests and ran workshops at education fairs.
- Installed and maintained workstations; handled daily room bookings, payment processing, and administrative tasks in the academic department.
- Technologies: C#, C++, .NET Framework, Games Development, Teaching/Mentoring
Summary
Passionate C#/.NET developer – with roots in game development and 9+ years of experience in enterprise projects. Working remotely since 2018, preferably as a freelancer or part-time. Passionate about clean code, performance tuning, and anything technically exciting: WPF, Azure, cryptocurrencies, 3D worlds. Works independently, loves tricky problems, and delivers solutions that work. Seeking projects that value quality and flexibility.
Languages
German
NativeEnglish
AdvancedRussian
AdvancedEducation
Apr 2016 - Sep 2016
Middlesex University in cooperation with SAE Institute in Cologne
Bachelor of Science, specialization in media · Game Programming · Cologne, Germany
Sep 2014 - Apr 2016
Middlesex University in cooperation with SAE Institute in Cologne
Diploma, specialization in media · Game Programming · Cologne, Germany
Aug 2011 - Jun 2014
Business high school at the vocational college in Erkelenz
German Abitur · Erkelenz, Germany
...and 1 more
Certifications & licenses
C++/Qt advanced course + MATHLAB and Simulink
Alfatraining Bildungszentrum GmbH
Azure Fundamentals
WPF - Design and Programming
GFU Cyrus AG
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